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ghc-darcs-devel-2.8.3-1.fc18.i686.rpm

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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2002-2004 David Roundy</span>
<a name="line-2"></a><span class='hs-comment'>-- Copyright (C) 2005 Juliusz Chroboczek</span>
<a name="line-3"></a><span class='hs-comment'>--</span>
<a name="line-4"></a><span class='hs-comment'>-- This program is free software; you can redistribute it and/or modify</span>
<a name="line-5"></a><span class='hs-comment'>-- it under the terms of the GNU General Public License as published by</span>
<a name="line-6"></a><span class='hs-comment'>-- the Free Software Foundation; either version 2, or (at your option)</span>
<a name="line-7"></a><span class='hs-comment'>-- any later version.</span>
<a name="line-8"></a><span class='hs-comment'>--</span>
<a name="line-9"></a><span class='hs-comment'>-- This program is distributed in the hope that it will be useful,</span>
<a name="line-10"></a><span class='hs-comment'>-- but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="line-11"></a><span class='hs-comment'>-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="line-12"></a><span class='hs-comment'>-- GNU General Public License for more details.</span>
<a name="line-13"></a><span class='hs-comment'>--</span>
<a name="line-14"></a><span class='hs-comment'>-- You should have received a copy of the GNU General Public License</span>
<a name="line-15"></a><span class='hs-comment'>-- along with this program; see the file COPYING.  If not, write to</span>
<a name="line-16"></a><span class='hs-comment'>-- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="line-17"></a><span class='hs-comment'>-- Boston, MA 02110-1301, USA.</span>
<a name="line-18"></a>
<a name="line-19"></a><span class='hs-comment'>{-# LANGUAGE CPP, ScopedTypeVariables #-}</span>
<a name="line-20"></a>
<a name="line-21"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-22"></a>
<a name="line-23"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span>
<a name="line-24"></a>    <span class='hs-layout'>(</span> <span class='hs-conid'>Repository</span><span class='hs-layout'>,</span> <span class='hs-conid'>HashedDir</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Cache</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>CacheLoc</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>WritableOrNot</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-25"></a>    <span class='hs-layout'>,</span> <span class='hs-conid'>RepoJob</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>maybeIdentifyRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>identifyRepositoryFor</span>
<a name="line-26"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>withRepoLock</span><span class='hs-layout'>,</span> <span class='hs-varid'>withRepoReadLock</span><span class='hs-layout'>,</span> <span class='hs-varid'>withRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>withRepositoryDirectory</span>
<a name="line-27"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>withGutsOf</span><span class='hs-layout'>,</span> <span class='hs-varid'>makePatchLazy</span><span class='hs-layout'>,</span> <span class='hs-varid'>writePatchSet</span><span class='hs-layout'>,</span> <span class='hs-varid'>findRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>amInRepository</span>
<a name="line-28"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>amNotInRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>amInHashedRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>replacePristine</span>
<a name="line-29"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>withRecorded</span><span class='hs-layout'>,</span> <span class='hs-varid'>readRepo</span><span class='hs-layout'>,</span> <span class='hs-varid'>prefsUrl</span><span class='hs-layout'>,</span> <span class='hs-varid'>readRepoUsingSpecificInventory</span>
<a name="line-30"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>addToPending</span><span class='hs-layout'>,</span> <span class='hs-varid'>tentativelyAddPatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>tentativelyRemovePatches</span>
<a name="line-31"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>tentativelyAddToPending</span><span class='hs-layout'>,</span> <span class='hs-varid'>tentativelyReplacePatches</span><span class='hs-layout'>,</span> <span class='hs-varid'>readTentativeRepo</span>
<a name="line-32"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>tentativelyMergePatches</span><span class='hs-layout'>,</span> <span class='hs-varid'>considerMergeToWorking</span><span class='hs-layout'>,</span> <span class='hs-varid'>revertRepositoryChanges</span>
<a name="line-33"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>finalizeRepositoryChanges</span><span class='hs-layout'>,</span> <span class='hs-varid'>createRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>copyRepository</span>
<a name="line-34"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>patchSetToRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>unrevertUrl</span><span class='hs-layout'>,</span> <span class='hs-varid'>applyToWorking</span>
<a name="line-35"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>patchSetToPatches</span><span class='hs-layout'>,</span> <span class='hs-varid'>createPristineDirectoryTree</span>
<a name="line-36"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>createPartialsPristineDirectoryTree</span><span class='hs-layout'>,</span> <span class='hs-varid'>optimizeInventory</span><span class='hs-layout'>,</span> <span class='hs-varid'>cleanRepository</span>
<a name="line-37"></a>    <span class='hs-layout'>,</span> <span class='hs-conid'>PatchSet</span><span class='hs-layout'>,</span> <span class='hs-conid'>SealedPatchSet</span><span class='hs-layout'>,</span> <span class='hs-conid'>PatchInfoAnd</span>
<a name="line-38"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>setScriptsExecutable</span><span class='hs-layout'>,</span> <span class='hs-varid'>setScriptsExecutablePatches</span>
<a name="line-39"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>checkUnrelatedRepos</span><span class='hs-layout'>,</span> <span class='hs-varid'>testTentative</span><span class='hs-layout'>,</span> <span class='hs-varid'>testRecorded</span>
<a name="line-40"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>extractOptions</span><span class='hs-layout'>,</span> <span class='hs-varid'>modifyCache</span><span class='hs-layout'>,</span> <span class='hs-varid'>reportBadSources</span>
<a name="line-41"></a>    <span class='hs-comment'>-- * Recorded and unrecorded and pending.</span>
<a name="line-42"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>readRecorded</span><span class='hs-layout'>,</span> <span class='hs-varid'>readUnrecorded</span><span class='hs-layout'>,</span> <span class='hs-varid'>unrecordedChanges</span><span class='hs-layout'>,</span> <span class='hs-varid'>readPending</span>
<a name="line-43"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>readRecordedAndPending</span>
<a name="line-44"></a>    <span class='hs-comment'>-- * Index.</span>
<a name="line-45"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>readIndex</span><span class='hs-layout'>,</span> <span class='hs-varid'>invalidateIndex</span>
<a name="line-46"></a>    <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-47"></a>
<a name="line-48"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Exit</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ExitCode</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>exitWith</span> <span class='hs-layout'>)</span>
<a name="line-49"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span> <span class='hs-varid'>isPrefixOf</span><span class='hs-layout'>)</span>
<a name="line-50"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span><span class='hs-layout'>(</span> <span class='hs-varid'>catMaybes</span><span class='hs-layout'>,</span> <span class='hs-varid'>isJust</span><span class='hs-layout'>,</span> <span class='hs-varid'>listToMaybe</span> <span class='hs-layout'>)</span>
<a name="line-51"></a>
<a name="line-52"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>State</span><span class='hs-layout'>(</span> <span class='hs-varid'>readRecorded</span><span class='hs-layout'>,</span> <span class='hs-varid'>readUnrecorded</span><span class='hs-layout'>,</span> <span class='hs-varid'>readWorking</span><span class='hs-layout'>,</span> <span class='hs-varid'>unrecordedChanges</span>
<a name="line-53"></a>                             <span class='hs-layout'>,</span> <span class='hs-varid'>readPending</span><span class='hs-layout'>,</span> <span class='hs-varid'>readIndex</span><span class='hs-layout'>,</span> <span class='hs-varid'>invalidateIndex</span>
<a name="line-54"></a>                             <span class='hs-layout'>,</span> <span class='hs-varid'>readRecordedAndPending</span> <span class='hs-layout'>)</span>
<a name="line-55"></a>
<a name="line-56"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span>
<a name="line-57"></a>    <span class='hs-layout'>(</span><span class='hs-conid'>Repository</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>RepoType</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>RepoJob</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-58"></a>     <span class='hs-varid'>maybeIdentifyRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>identifyRepositoryFor</span><span class='hs-layout'>,</span> <span class='hs-varid'>identifyDarcsRepository</span><span class='hs-layout'>,</span>
<a name="line-59"></a>     <span class='hs-conid'>IdentifyRepo</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-60"></a>     <span class='hs-varid'>findRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>amInRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>amNotInRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>amInHashedRepository</span><span class='hs-layout'>,</span>
<a name="line-61"></a>     <span class='hs-varid'>makePatchLazy</span><span class='hs-layout'>,</span>
<a name="line-62"></a>     <span class='hs-varid'>withRecorded</span><span class='hs-layout'>,</span>
<a name="line-63"></a>     <span class='hs-varid'>readRepo</span><span class='hs-layout'>,</span> <span class='hs-varid'>readTentativeRepo</span><span class='hs-layout'>,</span> <span class='hs-varid'>readRepoUsingSpecificInventory</span><span class='hs-layout'>,</span>
<a name="line-64"></a>     <span class='hs-varid'>prefsUrl</span><span class='hs-layout'>,</span>
<a name="line-65"></a>     <span class='hs-varid'>withRepoLock</span><span class='hs-layout'>,</span> <span class='hs-varid'>withRepoReadLock</span><span class='hs-layout'>,</span> <span class='hs-varid'>withRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>withRepositoryDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>withGutsOf</span><span class='hs-layout'>,</span>
<a name="line-66"></a>     <span class='hs-varid'>tentativelyAddPatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>tentativelyRemovePatches</span><span class='hs-layout'>,</span> <span class='hs-varid'>tentativelyAddToPending</span><span class='hs-layout'>,</span>
<a name="line-67"></a>     <span class='hs-varid'>tentativelyReplacePatches</span><span class='hs-layout'>,</span>
<a name="line-68"></a>     <span class='hs-varid'>revertRepositoryChanges</span><span class='hs-layout'>,</span> <span class='hs-varid'>finalizeRepositoryChanges</span><span class='hs-layout'>,</span>
<a name="line-69"></a>     <span class='hs-varid'>unrevertUrl</span><span class='hs-layout'>,</span>
<a name="line-70"></a>     <span class='hs-varid'>applyToWorking</span><span class='hs-layout'>,</span> <span class='hs-varid'>patchSetToPatches</span><span class='hs-layout'>,</span>
<a name="line-71"></a>     <span class='hs-varid'>createPristineDirectoryTree</span><span class='hs-layout'>,</span> <span class='hs-varid'>createPartialsPristineDirectoryTree</span><span class='hs-layout'>,</span>
<a name="line-72"></a>     <span class='hs-varid'>optimizeInventory</span><span class='hs-layout'>,</span> <span class='hs-varid'>cleanRepository</span><span class='hs-layout'>,</span>
<a name="line-73"></a>     <span class='hs-varid'>setScriptsExecutable</span><span class='hs-layout'>,</span> <span class='hs-varid'>setScriptsExecutablePatches</span><span class='hs-layout'>,</span>
<a name="line-74"></a>     <span class='hs-varid'>testTentative</span><span class='hs-layout'>,</span> <span class='hs-varid'>testRecorded</span><span class='hs-layout'>,</span>
<a name="line-75"></a>     <span class='hs-varid'>makeNewPending</span><span class='hs-layout'>,</span> <span class='hs-varid'>seekRepo</span>
<a name="line-76"></a>    <span class='hs-layout'>)</span>
<a name="line-77"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Merge</span><span class='hs-layout'>(</span> <span class='hs-varid'>tentativelyMergePatches</span><span class='hs-layout'>,</span> <span class='hs-varid'>considerMergeToWorking</span> <span class='hs-layout'>)</span>
<a name="line-78"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Cache</span> <span class='hs-layout'>(</span> <span class='hs-varid'>unionRemoteCaches</span><span class='hs-layout'>,</span> <span class='hs-varid'>fetchFileUsingCache</span><span class='hs-layout'>,</span>
<a name="line-79"></a>                                <span class='hs-varid'>speculateFileUsingCache</span><span class='hs-layout'>,</span> <span class='hs-conid'>HashedDir</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Cache</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-80"></a>                                <span class='hs-conid'>CacheLoc</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>WritableOrNot</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>hashedDir</span> <span class='hs-layout'>,</span>
<a name="line-81"></a>                                <span class='hs-conid'>CacheType</span><span class='hs-layout'>(</span><span class='hs-conid'>Directory</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>reportBadSources</span> <span class='hs-layout'>)</span>
<a name="line-82"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Set</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PatchSet</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>SealedPatchSet</span><span class='hs-layout'>,</span> <span class='hs-varid'>newset2RL</span><span class='hs-layout'>,</span> <span class='hs-varid'>newset2FL</span><span class='hs-layout'>,</span> <span class='hs-varid'>progressPatchSet</span> <span class='hs-layout'>)</span>
<a name="line-83"></a><span class='hs-cpp'>#ifdef GADT_WITNESSES</span>
<a name="line-84"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Set</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Origin</span> <span class='hs-layout'>)</span>
<a name="line-85"></a><span class='hs-cpp'>#endif</span>
<a name="line-86"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>URL</span> <span class='hs-layout'>(</span> <span class='hs-varid'>maxPipelineLength</span> <span class='hs-layout'>)</span>
<a name="line-87"></a>
<a name="line-88"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-layout'>(</span> <span class='hs-varid'>finally</span> <span class='hs-layout'>)</span>
<a name="line-89"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Concurrent</span> <span class='hs-layout'>(</span> <span class='hs-varid'>forkIO</span> <span class='hs-layout'>)</span>
<a name="line-90"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Concurrent</span><span class='hs-varop'>.</span><span class='hs-conid'>MVar</span> <span class='hs-layout'>(</span> <span class='hs-conid'>MVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>newMVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>putMVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>takeMVar</span> <span class='hs-layout'>)</span>
<a name="line-91"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span> <span class='hs-varid'>unless</span><span class='hs-layout'>,</span> <span class='hs-varid'>when</span> <span class='hs-layout'>)</span>
<a name="line-92"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span> <span class='hs-layout'>(</span> <span class='hs-varid'>createDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>createDirectoryIfMissing</span><span class='hs-layout'>,</span> <span class='hs-varid'>renameFile</span><span class='hs-layout'>,</span>
<a name="line-93"></a>                          <span class='hs-varid'>doesFileExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>removeFile</span><span class='hs-layout'>,</span> <span class='hs-varid'>getDirectoryContents</span><span class='hs-layout'>,</span>
<a name="line-94"></a>                          <span class='hs-varid'>getCurrentDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>setCurrentDirectory</span> <span class='hs-layout'>)</span>
<a name="line-95"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span> <span class='hs-varid'>stderr</span> <span class='hs-layout'>)</span>
<a name="line-96"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span> <span class='hs-layout'>(</span> <span class='hs-varid'>isAlreadyExistsError</span> <span class='hs-layout'>)</span>
<a name="line-97"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Files</span> <span class='hs-layout'>(</span> <span class='hs-varid'>createLink</span> <span class='hs-layout'>)</span>
<a name="line-98"></a>
<a name="line-99"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>HashedRepo</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>HashedRepo</span>
<a name="line-100"></a>
<a name="line-101"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>PatchInfoAnd</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PatchInfoAnd</span><span class='hs-layout'>,</span> <span class='hs-varid'>extractHash</span> <span class='hs-layout'>)</span>
<a name="line-102"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>ApplyPatches</span> <span class='hs-layout'>(</span> <span class='hs-varid'>applyPatches</span> <span class='hs-layout'>)</span>
<a name="line-103"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>HashedRepo</span> <span class='hs-layout'>(</span> <span class='hs-varid'>applyToTentativePristine</span><span class='hs-layout'>,</span> <span class='hs-varid'>pris2inv</span><span class='hs-layout'>,</span> <span class='hs-varid'>revertTentativeChanges</span><span class='hs-layout'>,</span>
<a name="line-104"></a>                                     <span class='hs-varid'>copySources</span> <span class='hs-layout'>)</span>
<a name="line-105"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>InternalTypes</span> <span class='hs-layout'>(</span> <span class='hs-varid'>extractOptions</span><span class='hs-layout'>,</span> <span class='hs-varid'>modifyCache</span> <span class='hs-layout'>)</span>
<a name="line-106"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepoPatch</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimOf</span> <span class='hs-layout'>)</span>
<a name="line-107"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Apply</span><span class='hs-layout'>(</span> <span class='hs-conid'>ApplyState</span> <span class='hs-layout'>)</span>
<a name="line-108"></a>
<a name="line-109"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Ordered</span> <span class='hs-layout'>(</span> <span class='hs-conid'>FL</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>RL</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>bunchFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapRL</span>
<a name="line-110"></a>                               <span class='hs-layout'>,</span> <span class='hs-varid'>lengthRL</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>+&gt;+</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conop'>:\/:</span><span class='hs-layout'>)</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-111"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Format</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepoProperty</span> <span class='hs-layout'>(</span> <span class='hs-conid'>HashedInventory</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>RepoFormat</span><span class='hs-layout'>,</span>
<a name="line-112"></a>                                 <span class='hs-varid'>createRepoFormat</span><span class='hs-layout'>,</span> <span class='hs-varid'>formatHas</span><span class='hs-layout'>,</span> <span class='hs-varid'>writeRepoFormat</span><span class='hs-layout'>,</span>
<a name="line-113"></a>                                 <span class='hs-varid'>readfromAndWritetoProblem</span><span class='hs-layout'>)</span>
<a name="line-114"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Prefs</span> <span class='hs-layout'>(</span> <span class='hs-varid'>writeDefaultPrefs</span> <span class='hs-layout'>)</span>
<a name="line-115"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Depends</span> <span class='hs-layout'>(</span> <span class='hs-varid'>areUnrelatedRepos</span><span class='hs-layout'>,</span> <span class='hs-varid'>findUncommon</span> <span class='hs-layout'>)</span>
<a name="line-116"></a>
<a name="line-117"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withCurrentDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>catchall</span><span class='hs-layout'>,</span> <span class='hs-varid'>promptYorn</span> <span class='hs-layout'>)</span>
<a name="line-118"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>External</span> <span class='hs-layout'>(</span> <span class='hs-varid'>copyFileOrUrl</span><span class='hs-layout'>,</span> <span class='hs-conid'>Cachable</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>fetchFileLazyPS</span> <span class='hs-layout'>)</span>
<a name="line-119"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Progress</span> <span class='hs-layout'>(</span> <span class='hs-varid'>debugMessage</span><span class='hs-layout'>,</span> <span class='hs-varid'>tediousSize</span><span class='hs-layout'>,</span> <span class='hs-varid'>beginTedious</span><span class='hs-layout'>,</span> <span class='hs-varid'>endTedious</span> <span class='hs-layout'>)</span>
<a name="line-120"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>ProgressPatches</span> <span class='hs-layout'>(</span><span class='hs-varid'>progressRLShowTags</span><span class='hs-layout'>,</span> <span class='hs-varid'>progressFL</span><span class='hs-layout'>)</span>
<a name="line-121"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Lock</span> <span class='hs-layout'>(</span> <span class='hs-varid'>writeBinFile</span><span class='hs-layout'>,</span> <span class='hs-varid'>writeDocBinFile</span><span class='hs-layout'>,</span> <span class='hs-varid'>withTemp</span> <span class='hs-layout'>)</span>
<a name="line-122"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Sealed</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-123"></a>
<a name="line-124"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Flags</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsFlag</span><span class='hs-layout'>(</span> <span class='hs-conid'>Verbose</span><span class='hs-layout'>,</span> <span class='hs-conid'>Quiet</span><span class='hs-layout'>,</span> <span class='hs-conid'>Lazy</span><span class='hs-layout'>,</span> <span class='hs-conid'>Complete</span><span class='hs-layout'>,</span>
<a name="line-125"></a>                                <span class='hs-conid'>AllowUnrelatedRepos</span><span class='hs-layout'>,</span> <span class='hs-conid'>NoUpdateWorking</span><span class='hs-layout'>)</span>
<a name="line-126"></a>                   <span class='hs-layout'>,</span> <span class='hs-varid'>compression</span><span class='hs-layout'>,</span> <span class='hs-conid'>UseIndex</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>ScanKnown</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>remoteDarcs</span>
<a name="line-127"></a>                   <span class='hs-layout'>,</span> <span class='hs-varid'>usePacks</span> <span class='hs-layout'>)</span>
<a name="line-128"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Global</span> <span class='hs-layout'>(</span> <span class='hs-varid'>darcsdir</span> <span class='hs-layout'>)</span>
<a name="line-129"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>URL</span> <span class='hs-layout'>(</span> <span class='hs-varid'>isFile</span> <span class='hs-layout'>)</span>
<a name="line-130"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>SignalHandler</span> <span class='hs-layout'>(</span> <span class='hs-varid'>catchInterrupt</span> <span class='hs-layout'>)</span>
<a name="line-131"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Printer</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Doc</span><span class='hs-layout'>,</span> <span class='hs-varid'>text</span><span class='hs-layout'>,</span> <span class='hs-varid'>hPutDocLn</span><span class='hs-layout'>,</span> <span class='hs-varid'>putDocLn</span> <span class='hs-layout'>)</span>
<a name="line-132"></a>
<a name="line-133"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Storage</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashed</span><span class='hs-varop'>.</span><span class='hs-conid'>Tree</span><span class='hs-layout'>(</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>,</span> <span class='hs-varid'>emptyTree</span> <span class='hs-layout'>)</span>
<a name="line-134"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Storage</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashed</span><span class='hs-varop'>.</span><span class='hs-conid'>Hash</span><span class='hs-layout'>(</span> <span class='hs-varid'>encodeBase16</span> <span class='hs-layout'>)</span>
<a name="line-135"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Storage</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashed</span><span class='hs-varop'>.</span><span class='hs-conid'>Darcs</span><span class='hs-layout'>(</span> <span class='hs-varid'>writeDarcsHashed</span><span class='hs-layout'>,</span> <span class='hs-varid'>darcsAddMissingHashes</span> <span class='hs-layout'>)</span>
<a name="line-136"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>ByteStringUtils</span><span class='hs-layout'>(</span> <span class='hs-varid'>gzReadFilePS</span> <span class='hs-layout'>)</span>
<a name="line-137"></a>
<a name="line-138"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</span><span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'>&lt;/&gt;</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>takeFileName</span><span class='hs-layout'>,</span> <span class='hs-varid'>splitPath</span><span class='hs-layout'>,</span> <span class='hs-varid'>joinPath</span>
<a name="line-139"></a>                      <span class='hs-layout'>,</span> <span class='hs-varid'>takeDirectory</span> <span class='hs-layout'>)</span>
<a name="line-140"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Codec</span><span class='hs-varop'>.</span><span class='hs-conid'>Archive</span><span class='hs-varop'>.</span><span class='hs-conid'>Tar</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Tar</span>
<a name="line-141"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Codec</span><span class='hs-varop'>.</span><span class='hs-conid'>Compression</span><span class='hs-varop'>.</span><span class='hs-conid'>GZip</span> <span class='hs-layout'>(</span> <span class='hs-varid'>compress</span><span class='hs-layout'>,</span> <span class='hs-varid'>decompress</span> <span class='hs-layout'>)</span>
<a name="line-142"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>BS</span>
<a name="line-143"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>BL</span>
<a name="line-144"></a>
<a name="line-145"></a><span class='hs-cpp'>#include "impossible.h"</span>
<a name="line-146"></a>
<a name="line-147"></a><a name="createRepository"></a><span class='hs-definition'>createRepository</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-148"></a><span class='hs-definition'>createRepository</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-149"></a>  <span class='hs-varid'>createDirectory</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>`catch`</span>
<a name="line-150"></a>      <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>e</span><span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isAlreadyExistsError</span> <span class='hs-varid'>e</span>
<a name="line-151"></a>            <span class='hs-keyword'>then</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Tree has already been initialized!"</span>
<a name="line-152"></a>            <span class='hs-keyword'>else</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Error creating directory `"</span><span class='hs-varop'>++</span><span class='hs-varid'>darcsdir</span><span class='hs-varop'>++</span><span class='hs-str'>"'."</span><span class='hs-layout'>)</span>
<a name="line-153"></a>  <span class='hs-varid'>cwd</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>getCurrentDirectory</span>
<a name="line-154"></a>  <span class='hs-varid'>x</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>seekRepo</span>
<a name="line-155"></a>  <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>isJust</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-156"></a>      <span class='hs-varid'>setCurrentDirectory</span> <span class='hs-varid'>cwd</span>
<a name="line-157"></a>      <span class='hs-varid'>putStrLn</span> <span class='hs-varop'>$</span> <span class='hs-str'>"WARNING: creating a nested repository."</span>
<a name="line-158"></a>  <span class='hs-keyword'>let</span> <span class='hs-varid'>rf</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>createRepoFormat</span> <span class='hs-varid'>opts</span>
<a name="line-159"></a>  <span class='hs-varid'>createDirectory</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/pristine.hashed"</span>
<a name="line-160"></a>  <span class='hs-varid'>createDirectory</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/patches"</span>
<a name="line-161"></a>  <span class='hs-varid'>createDirectory</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/prefs"</span>
<a name="line-162"></a>  <span class='hs-varid'>writeDefaultPrefs</span>
<a name="line-163"></a>  <span class='hs-varid'>writeRepoFormat</span> <span class='hs-varid'>rf</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span><span class='hs-varop'>++</span><span class='hs-str'>"/format"</span><span class='hs-layout'>)</span>
<a name="line-164"></a>  <span class='hs-varid'>writeBinFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span><span class='hs-varop'>++</span><span class='hs-str'>"/hashed_inventory"</span><span class='hs-layout'>)</span> <span class='hs-str'>""</span>
<a name="line-165"></a>  <span class='hs-varid'>writePristine</span> <span class='hs-str'>"."</span> <span class='hs-varid'>emptyTree</span>
<a name="line-166"></a>
<a name="line-167"></a><a name="RepoSort"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>RepoSort</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Hashed</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Old</span>
<a name="line-168"></a>
<a name="line-169"></a><a name="repoSort"></a><span class='hs-definition'>repoSort</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoFormat</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>RepoSort</span>
<a name="line-170"></a><span class='hs-definition'>repoSort</span> <span class='hs-varid'>f</span>
<a name="line-171"></a>  <span class='hs-keyglyph'>|</span> <span class='hs-varid'>formatHas</span> <span class='hs-conid'>HashedInventory</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Hashed</span>
<a name="line-172"></a>  <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Old</span>
<a name="line-173"></a>
<a name="line-174"></a><a name="copyInventory"></a><span class='hs-definition'>copyInventory</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyword'>forall</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-175"></a><span class='hs-definition'>copyInventory</span> <span class='hs-varid'>fromRepo</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-varid'>fromDir</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>fromFormat</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>fromCache</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-176"></a>  <span class='hs-varid'>toRepo</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-varid'>toDir</span> <span class='hs-varid'>opts'</span> <span class='hs-varid'>toFormat</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-varid'>toPristine</span> <span class='hs-varid'>toCache</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span>
<a name="line-177"></a>    <span class='hs-varid'>identifyDarcsRepository</span> <span class='hs-varid'>opts</span> <span class='hs-str'>"."</span>
<a name="line-178"></a>  <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toRepo</span> <span class='hs-comment'>--The witnesses are wrong, but cannot escape</span>
<a name="line-179"></a>  <span class='hs-keyword'>case</span> <span class='hs-varid'>readfromAndWritetoProblem</span> <span class='hs-varid'>fromFormat</span> <span class='hs-varid'>toFormat</span> <span class='hs-keyword'>of</span>
<a name="line-180"></a>    <span class='hs-conid'>Just</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-&gt;</span>  <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Incompatibility with repository "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>fromDir</span> <span class='hs-varop'>++</span> <span class='hs-str'>":\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>e</span>
<a name="line-181"></a>    <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-182"></a>  <span class='hs-varid'>toCache2</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>unionRemoteCaches</span> <span class='hs-varid'>toCache</span> <span class='hs-varid'>fromCache</span> <span class='hs-varid'>fromDir</span>
<a name="line-183"></a>  <span class='hs-keyword'>let</span> <span class='hs-varid'>toRepo2</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-184"></a>      <span class='hs-varid'>toRepo2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Repo</span> <span class='hs-varid'>toDir</span> <span class='hs-varid'>opts'</span> <span class='hs-varid'>toFormat</span> <span class='hs-varop'>$</span> <span class='hs-conid'>DarcsRepository</span> <span class='hs-varid'>toPristine</span> <span class='hs-varid'>toCache2</span>
<a name="line-185"></a>      <span class='hs-varid'>copyHashedHashed</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>copyRepo</span> <span class='hs-varid'>toRepo2</span> <span class='hs-layout'>(</span><span class='hs-varid'>remoteDarcs</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varid'>fromDir</span>
<a name="line-186"></a>  <span class='hs-keyword'>case</span> <span class='hs-varid'>repoSort</span> <span class='hs-varid'>fromFormat</span> <span class='hs-keyword'>of</span>
<a name="line-187"></a>    <span class='hs-conid'>Hashed</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>copyHashedHashed</span>
<a name="line-188"></a>    <span class='hs-conid'>Old</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>withCurrentDirectory</span> <span class='hs-varid'>toDir</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-189"></a>                <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>revertTentativeChanges</span>
<a name="line-190"></a>                <span class='hs-varid'>patches</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>fromRepo</span>
<a name="line-191"></a>                <span class='hs-keyword'>let</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Copying patch"</span>
<a name="line-192"></a>                <span class='hs-varid'>beginTedious</span> <span class='hs-varid'>k</span>
<a name="line-193"></a>                <span class='hs-varid'>tediousSize</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>lengthRL</span> <span class='hs-varop'>$</span> <span class='hs-varid'>newset2RL</span> <span class='hs-varid'>patches</span><span class='hs-layout'>)</span>
<a name="line-194"></a>                <span class='hs-keyword'>let</span> <span class='hs-varid'>patches'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>progressPatchSet</span> <span class='hs-varid'>k</span> <span class='hs-varid'>patches</span>
<a name="line-195"></a>                <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>writeTentativeInventory</span> <span class='hs-varid'>toCache</span> <span class='hs-layout'>(</span><span class='hs-varid'>compression</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varid'>patches'</span>
<a name="line-196"></a>                <span class='hs-varid'>endTedious</span> <span class='hs-varid'>k</span>
<a name="line-197"></a>                <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>finalizeTentativeChanges</span> <span class='hs-varid'>toRepo</span> <span class='hs-varop'>$</span> <span class='hs-varid'>compression</span> <span class='hs-varid'>opts</span>
<a name="line-198"></a>
<a name="line-199"></a><a name="copyRepository"></a><span class='hs-definition'>copyRepository</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyword'>forall</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span>
<a name="line-200"></a>               <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-201"></a><span class='hs-definition'>copyRepository</span> <span class='hs-varid'>fromRepo</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-varid'>fromDir</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>withWorkingDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-202"></a>  <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Copying prefs"</span>
<a name="line-203"></a>  <span class='hs-varid'>copyFileOrUrl</span> <span class='hs-layout'>(</span><span class='hs-varid'>remoteDarcs</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromDir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/prefs/prefs"</span><span class='hs-layout'>)</span>
<a name="line-204"></a>    <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/prefs/prefs"</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>MaxAge</span> <span class='hs-num'>600</span><span class='hs-layout'>)</span> <span class='hs-varop'>`catchall`</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-205"></a>  <span class='hs-comment'>-- try packs for remote repositories</span>
<a name="line-206"></a>  <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-varid'>isFile</span><span class='hs-layout'>)</span> <span class='hs-varid'>fromDir</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-varid'>usePacks</span> <span class='hs-varid'>opts</span>
<a name="line-207"></a>    <span class='hs-keyword'>then</span> <span class='hs-varid'>copyPackedRepository</span> <span class='hs-varid'>fromRepo</span> <span class='hs-varid'>withWorkingDir</span>
<a name="line-208"></a>    <span class='hs-keyword'>else</span> <span class='hs-varid'>copyNotPackedRepository</span> <span class='hs-varid'>fromRepo</span> <span class='hs-varid'>withWorkingDir</span>
<a name="line-209"></a>
<a name="line-210"></a><a name="putInfo"></a><span class='hs-definition'>putInfo</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Doc</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-211"></a><span class='hs-definition'>putInfo</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-conid'>Quiet</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>hPutDocLn</span> <span class='hs-varid'>stderr</span>
<a name="line-212"></a>
<a name="line-213"></a><a name="copyNotPackedRepository"></a><span class='hs-definition'>copyNotPackedRepository</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyword'>forall</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-214"></a>                           <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-215"></a><span class='hs-definition'>copyNotPackedRepository</span> <span class='hs-varid'>fromrepository</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>rffrom</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>withWorkingDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-216"></a>  <span class='hs-varid'>copyInventory</span> <span class='hs-varid'>fromrepository</span>
<a name="line-217"></a>  <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Grabbing lock in new repository..."</span>
<a name="line-218"></a>  <span class='hs-varid'>withRepoLock</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-conid'>RepoJob</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>torepository</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-219"></a>      <span class='hs-keyword'>if</span> <span class='hs-varid'>formatHas</span> <span class='hs-conid'>HashedInventory</span> <span class='hs-varid'>rffrom</span>
<a name="line-220"></a>      <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
<a name="line-221"></a>        <span class='hs-varid'>when</span> <span class='hs-varid'>withWorkingDir</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-222"></a>          <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Writing working directory contents..."</span>
<a name="line-223"></a>          <span class='hs-varid'>createPristineDirectoryTree</span> <span class='hs-varid'>torepository</span> <span class='hs-str'>"."</span>
<a name="line-224"></a>        <span class='hs-varid'>fetchPatchesIfNecessary</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>torepository</span> <span class='hs-varop'>`catchInterrupt`</span>
<a name="line-225"></a>          <span class='hs-layout'>(</span><span class='hs-varid'>putInfo</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"Using lazy repository."</span><span class='hs-layout'>)</span>
<a name="line-226"></a>      <span class='hs-keyword'>else</span>      <span class='hs-keyword'>do</span> <span class='hs-varid'>local_patches</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>torepository</span>
<a name="line-227"></a>                   <span class='hs-varid'>replacePristine</span> <span class='hs-varid'>torepository</span> <span class='hs-varid'>emptyTree</span>
<a name="line-228"></a>                   <span class='hs-keyword'>let</span> <span class='hs-varid'>patchesToApply</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>progressFL</span> <span class='hs-str'>"Applying patch"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>newset2FL</span> <span class='hs-varid'>local_patches</span>
<a name="line-229"></a>                   <span class='hs-varid'>sequence_</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapFL</span> <span class='hs-varid'>applyToTentativePristine</span> <span class='hs-varop'>$</span> <span class='hs-varid'>bunchFL</span> <span class='hs-num'>100</span> <span class='hs-varid'>patchesToApply</span>
<a name="line-230"></a>                   <span class='hs-varid'>finalizeRepositoryChanges</span> <span class='hs-varid'>torepository</span>
<a name="line-231"></a>                   <span class='hs-varid'>when</span> <span class='hs-varid'>withWorkingDir</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-232"></a>                     <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Writing working directory contents..."</span>
<a name="line-233"></a>                     <span class='hs-varid'>createPristineDirectoryTree</span> <span class='hs-varid'>torepository</span> <span class='hs-str'>"."</span>
<a name="line-234"></a>
<a name="line-235"></a><a name="copyPackedRepository"></a><span class='hs-definition'>copyPackedRepository</span> <span class='hs-keyglyph'>::</span>
<a name="line-236"></a>  <span class='hs-keyword'>forall</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span>
<a name="line-237"></a>  <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-238"></a><span class='hs-definition'>copyPackedRepository</span> <span class='hs-varid'>r</span> <span class='hs-varid'>withWorkingDir</span> <span class='hs-keyglyph'>=</span>
<a name="line-239"></a>  <span class='hs-comment'>-- fallback to no-packs get in case of error</span>
<a name="line-240"></a>  <span class='hs-varid'>copyPackedRepository2</span> <span class='hs-varid'>r</span> <span class='hs-varid'>withWorkingDir</span> <span class='hs-varop'>`catchall`</span> <span class='hs-varid'>copyNotPackedRepository</span> <span class='hs-varid'>r</span> <span class='hs-varid'>withWorkingDir</span>
<a name="line-241"></a>
<a name="line-242"></a><a name="copyPackedRepository2"></a><span class='hs-definition'>copyPackedRepository2</span> <span class='hs-keyglyph'>::</span>
<a name="line-243"></a>  <span class='hs-keyword'>forall</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span>
<a name="line-244"></a>  <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-245"></a><span class='hs-definition'>copyPackedRepository2</span> <span class='hs-varid'>fromRepo</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-varid'>fromDir</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>fromCache</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>withWorkingDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-246"></a>  <span class='hs-varid'>b</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>fetchFileLazyPS</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromDir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/packs/basic.tar.gz"</span><span class='hs-layout'>)</span> <span class='hs-conid'>Uncachable</span>
<a name="line-247"></a>  <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>Verbose</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>putDocLn</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"Getting packed repository."</span>
<a name="line-248"></a>  <span class='hs-conid'>Repo</span> <span class='hs-varid'>toDir</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>toFormat</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-varid'>toPristine</span> <span class='hs-varid'>toCache</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span>
<a name="line-249"></a>    <span class='hs-varid'>identifyRepositoryFor</span> <span class='hs-varid'>fromRepo</span> <span class='hs-str'>"."</span>
<a name="line-250"></a>  <span class='hs-varid'>toCache2</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>unionRemoteCaches</span> <span class='hs-varid'>toCache</span> <span class='hs-varid'>fromCache</span> <span class='hs-varid'>fromDir</span>
<a name="line-251"></a>  <span class='hs-keyword'>let</span> <span class='hs-varid'>toRepo</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- In empty repo, t(entative) = r(ecorded)</span>
<a name="line-252"></a>      <span class='hs-varid'>toRepo</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Repo</span> <span class='hs-varid'>toDir</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>toFormat</span> <span class='hs-varop'>$</span> <span class='hs-conid'>DarcsRepository</span> <span class='hs-varid'>toPristine</span> <span class='hs-varid'>toCache2</span>
<a name="line-253"></a>      <span class='hs-varid'>fromPacksDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromDir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/packs/"</span>
<a name="line-254"></a>  <span class='hs-varid'>createDirectoryIfMissing</span> <span class='hs-conid'>False</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-str'>"inventories"</span>
<a name="line-255"></a>  <span class='hs-varid'>copySources</span> <span class='hs-varid'>toRepo</span> <span class='hs-varid'>fromDir</span>
<a name="line-256"></a>  <span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>toCache3</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span>
<a name="line-257"></a>    <span class='hs-varid'>identifyRepositoryFor</span> <span class='hs-varid'>toRepo</span> <span class='hs-str'>"."</span>
<a name="line-258"></a>  <span class='hs-comment'>-- unpack inventory &amp; pristine cache</span>
<a name="line-259"></a>  <span class='hs-keyword'>let</span> <span class='hs-varid'>isLazy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Lazy</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-260"></a>  <span class='hs-varid'>cleanDir</span> <span class='hs-str'>"pristine.hashed"</span>
<a name="line-261"></a>  <span class='hs-varid'>removeFile</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-str'>"hashed_inventory"</span>
<a name="line-262"></a>  <span class='hs-varid'>unpackBasic</span> <span class='hs-varid'>toCache3</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-varid'>read</span> <span class='hs-varop'>$</span> <span class='hs-varid'>decompress</span> <span class='hs-varid'>b</span>
<a name="line-263"></a>  <span class='hs-varid'>when</span> <span class='hs-varid'>withWorkingDir</span> <span class='hs-varop'>$</span>
<a name="line-264"></a>    <span class='hs-varid'>createPristineDirectoryTree</span> <span class='hs-varid'>toRepo</span> <span class='hs-str'>"."</span>
<a name="line-265"></a>  <span class='hs-comment'>-- pull new patches</span>
<a name="line-266"></a>  <span class='hs-varid'>us</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>toRepo</span>
<a name="line-267"></a>  <span class='hs-varid'>them</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>fromRepo</span>
<a name="line-268"></a>  <span class='hs-varid'>us'</span> <span class='hs-conop'>:\/:</span> <span class='hs-varid'>them'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>findUncommon</span> <span class='hs-varid'>us</span> <span class='hs-varid'>them</span>
<a name="line-269"></a>  <span class='hs-varid'>revertTentativeChanges</span>
<a name="line-270"></a>  <span class='hs-conid'>Sealed</span> <span class='hs-varid'>pw</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>tentativelyMergePatches</span> <span class='hs-varid'>toRepo</span> <span class='hs-str'>"get"</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>us'</span> <span class='hs-varid'>them'</span>
<a name="line-271"></a>  <span class='hs-varid'>invalidateIndex</span> <span class='hs-varid'>toRepo</span>
<a name="line-272"></a>  <span class='hs-varid'>withGutsOf</span> <span class='hs-varid'>toRepo</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-273"></a>    <span class='hs-varid'>finalizeRepositoryChanges</span> <span class='hs-varid'>toRepo</span>
<a name="line-274"></a>    <span class='hs-varid'>when</span> <span class='hs-varid'>withWorkingDir</span> <span class='hs-varop'>$</span>
<a name="line-275"></a>      <span class='hs-varid'>applyToWorking</span> <span class='hs-varid'>toRepo</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>pw</span> <span class='hs-varop'>&gt;&gt;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-276"></a>    <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-277"></a>  <span class='hs-comment'>-- get old patches</span>
<a name="line-278"></a>  <span class='hs-varid'>unless</span> <span class='hs-varid'>isLazy</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span>
<a name="line-279"></a>    <span class='hs-varid'>cleanDir</span> <span class='hs-str'>"patches"</span>
<a name="line-280"></a>    <span class='hs-varid'>putInfo</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"Copying patches, to get lazy repository hit ctrl-C..."</span>
<a name="line-281"></a>    <span class='hs-varid'>unpackPatches</span> <span class='hs-varid'>toCache3</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapFL</span> <span class='hs-varid'>hashedPatchFileName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>newset2FL</span> <span class='hs-varid'>us</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
<a name="line-282"></a>      <span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-varid'>read</span> <span class='hs-varop'>.</span> <span class='hs-varid'>decompress</span> <span class='hs-varop'>=&lt;&lt;</span> <span class='hs-varid'>fetchFileLazyPS</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromPacksDir</span> <span class='hs-varop'>++</span>
<a name="line-283"></a>      <span class='hs-str'>"patches.tar.gz"</span><span class='hs-layout'>)</span> <span class='hs-conid'>Uncachable</span>
<a name="line-284"></a>    <span class='hs-layout'>)</span> <span class='hs-varop'>`catchInterrupt`</span> <span class='hs-layout'>(</span><span class='hs-varid'>putInfo</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"Using lazy repository."</span><span class='hs-layout'>)</span>
<a name="line-285"></a> <span class='hs-keyword'>where</span>
<a name="line-286"></a>  <span class='hs-varid'>cleanDir</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>removeFile</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>d</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
<a name="line-287"></a>    <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>head</span> <span class='hs-varid'>x</span> <span class='hs-varop'>/=</span> <span class='hs-chr'>'.'</span><span class='hs-layout'>)</span> <span class='hs-varop'>=&lt;&lt;</span> <span class='hs-varid'>getDirectoryContents</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-288"></a>
<a name="line-289"></a><a name="withControlMVar"></a><span class='hs-definition'>withControlMVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MVar</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-290"></a><span class='hs-definition'>withControlMVar</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-291"></a>  <span class='hs-varid'>mv</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>newMVar</span> <span class='hs-conid'>()</span>
<a name="line-292"></a>  <span class='hs-varid'>f</span> <span class='hs-varid'>mv</span>
<a name="line-293"></a>  <span class='hs-varid'>takeMVar</span> <span class='hs-varid'>mv</span>
<a name="line-294"></a>
<a name="line-295"></a><a name="forkWithControlMVar"></a><span class='hs-definition'>forkWithControlMVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MVar</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-296"></a><span class='hs-definition'>forkWithControlMVar</span> <span class='hs-varid'>mv</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-297"></a>  <span class='hs-varid'>takeMVar</span> <span class='hs-varid'>mv</span>
<a name="line-298"></a>  <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>forkIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>flip</span> <span class='hs-varid'>finally</span> <span class='hs-layout'>(</span><span class='hs-varid'>putMVar</span> <span class='hs-varid'>mv</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-varid'>f</span>
<a name="line-299"></a>  <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-300"></a>
<a name="line-301"></a><a name="removeMetaFiles"></a><span class='hs-definition'>removeMetaFiles</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-302"></a><span class='hs-definition'>removeMetaFiles</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-varid'>removeFile</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
<a name="line-303"></a>  <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-str'>"meta-"</span> <span class='hs-varop'>`isPrefixOf`</span><span class='hs-layout'>)</span> <span class='hs-varop'>=&lt;&lt;</span> <span class='hs-varid'>getDirectoryContents</span> <span class='hs-varid'>darcsdir</span>
<a name="line-304"></a>
<a name="line-305"></a><a name="unpackBasic"></a><span class='hs-definition'>unpackBasic</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-conid'>Entries</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-306"></a><span class='hs-definition'>unpackBasic</span> <span class='hs-varid'>c</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-307"></a>  <span class='hs-varid'>withControlMVar</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>mv</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>unpackTar</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>basicMetaHandler</span> <span class='hs-varid'>c</span> <span class='hs-varid'>mv</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span>
<a name="line-308"></a>  <span class='hs-varid'>removeMetaFiles</span>
<a name="line-309"></a>
<a name="line-310"></a><a name="unpackPatches"></a><span class='hs-definition'>unpackPatches</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-conid'>Entries</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-311"></a><span class='hs-definition'>unpackPatches</span> <span class='hs-varid'>c</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-312"></a>  <span class='hs-varid'>withControlMVar</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>mv</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>unpackTar</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>patchesMetaHandler</span> <span class='hs-varid'>c</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>mv</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span>
<a name="line-313"></a>  <span class='hs-varid'>removeMetaFiles</span>
<a name="line-314"></a>
<a name="line-315"></a><a name="unpackTar"></a><span class='hs-definition'>unpackTar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-conid'>Entries</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-316"></a><span class='hs-definition'>unpackTar</span>  <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-conid'>Done</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-317"></a><span class='hs-definition'>unpackTar</span>  <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-conid'>Fail</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>=</span> <span class='hs-varid'>fail</span> <span class='hs-varid'>e</span>
<a name="line-318"></a><span class='hs-definition'>unpackTar</span> <span class='hs-varid'>c</span> <span class='hs-varid'>mh</span> <span class='hs-layout'>(</span><span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-conid'>Next</span> <span class='hs-varid'>x</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-varid'>entryContent</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-319"></a>  <span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-conid'>NormalFile</span> <span class='hs-varid'>x'</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-320"></a>    <span class='hs-keyword'>let</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Tar</span><span class='hs-varop'>.</span><span class='hs-varid'>entryPath</span> <span class='hs-varid'>x</span>
<a name="line-321"></a>    <span class='hs-keyword'>if</span> <span class='hs-str'>"meta-"</span> <span class='hs-varop'>`isPrefixOf`</span> <span class='hs-varid'>takeFileName</span> <span class='hs-varid'>p</span>
<a name="line-322"></a>      <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
<a name="line-323"></a>        <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>writeFile</span> <span class='hs-varid'>p</span> <span class='hs-varid'>x'</span>
<a name="line-324"></a>        <span class='hs-varid'>mh</span>
<a name="line-325"></a>        <span class='hs-varid'>unpackTar</span> <span class='hs-varid'>c</span> <span class='hs-varid'>mh</span> <span class='hs-varid'>xs</span>
<a name="line-326"></a>      <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-327"></a>        <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>p</span>
<a name="line-328"></a>        <span class='hs-keyword'>if</span> <span class='hs-varid'>ex</span>
<a name="line-329"></a>          <span class='hs-keyword'>then</span> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Tar thread: STOP "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>p</span>
<a name="line-330"></a>          <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-331"></a>            <span class='hs-keyword'>if</span> <span class='hs-varid'>p</span> <span class='hs-varop'>==</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-str'>"hashed_inventory"</span>
<a name="line-332"></a>              <span class='hs-keyword'>then</span> <span class='hs-varid'>writeFile'</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>p</span> <span class='hs-varid'>x'</span>
<a name="line-333"></a>              <span class='hs-keyword'>else</span> <span class='hs-varid'>writeFile'</span> <span class='hs-layout'>(</span><span class='hs-varid'>cacheDir</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varop'>$</span> <span class='hs-varid'>compress</span> <span class='hs-varid'>x'</span>
<a name="line-334"></a>            <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Tar thread: GET "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>p</span>
<a name="line-335"></a>            <span class='hs-varid'>unpackTar</span> <span class='hs-varid'>c</span> <span class='hs-varid'>mh</span> <span class='hs-varid'>xs</span>
<a name="line-336"></a>  <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Unexpected non-file tar entry"</span>
<a name="line-337"></a> <span class='hs-keyword'>where</span>
<a name="line-338"></a>  <span class='hs-varid'>writeFile'</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>z</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withTemp</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>x'</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-339"></a>    <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>writeFile</span> <span class='hs-varid'>x'</span> <span class='hs-varid'>y</span>
<a name="line-340"></a>    <span class='hs-varid'>renameFile</span> <span class='hs-varid'>x'</span> <span class='hs-varid'>z</span>
<a name="line-341"></a>  <span class='hs-varid'>writeFile'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>ca</span><span class='hs-layout'>)</span> <span class='hs-varid'>z</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-342"></a>    <span class='hs-keyword'>let</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>joinPath</span> <span class='hs-varop'>.</span> <span class='hs-varid'>tail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>splitPath</span> <span class='hs-varid'>z</span> <span class='hs-comment'>-- drop darcsdir</span>
<a name="line-343"></a>    <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ca</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>x'</span>
<a name="line-344"></a>    <span class='hs-keyword'>if</span> <span class='hs-varid'>ex</span>
<a name="line-345"></a>      <span class='hs-keyword'>then</span> <span class='hs-varid'>createLink'</span> <span class='hs-layout'>(</span><span class='hs-varid'>ca</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>x'</span><span class='hs-layout'>)</span> <span class='hs-varid'>z</span>
<a name="line-346"></a>      <span class='hs-keyword'>else</span> <span class='hs-varid'>withTemp</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>x''</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-347"></a>        <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>writeFile</span> <span class='hs-varid'>x''</span> <span class='hs-varid'>y</span>
<a name="line-348"></a>        <span class='hs-varid'>createLink'</span> <span class='hs-varid'>x''</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ca</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>x'</span>
<a name="line-349"></a>        <span class='hs-varid'>renameFile</span> <span class='hs-varid'>x''</span> <span class='hs-varid'>z</span>
<a name="line-350"></a>  <span class='hs-varid'>createLink'</span> <span class='hs-varid'>z</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-351"></a>    <span class='hs-varid'>createDirectoryIfMissing</span> <span class='hs-conid'>True</span> <span class='hs-varop'>$</span> <span class='hs-varid'>takeDirectory</span> <span class='hs-varid'>y</span>
<a name="line-352"></a>    <span class='hs-varid'>createLink</span> <span class='hs-varid'>z</span> <span class='hs-varid'>y</span> <span class='hs-varop'>`catchall`</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-353"></a>
<a name="line-354"></a><a name="basicMetaHandler"></a><span class='hs-definition'>basicMetaHandler</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>MVar</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-355"></a><span class='hs-definition'>basicMetaHandler</span> <span class='hs-varid'>ca</span> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-356"></a>  <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-str'>"meta-filelist-pristine"</span>
<a name="line-357"></a>  <span class='hs-varid'>when</span> <span class='hs-varid'>ex</span> <span class='hs-varop'>.</span> <span class='hs-varid'>forkWithControlMVar</span> <span class='hs-varid'>mv</span> <span class='hs-varop'>$</span>
<a name="line-358"></a>    <span class='hs-varid'>fetchFilesUsingCache</span> <span class='hs-varid'>ca</span> <span class='hs-conid'>HashedPristineDir</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lines</span> <span class='hs-varop'>=&lt;&lt;</span>
<a name="line-359"></a>      <span class='hs-varid'>readFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-str'>"meta-filelist-pristine"</span><span class='hs-layout'>)</span>
<a name="line-360"></a>  <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-361"></a>
<a name="line-362"></a><a name="patchesMetaHandler"></a><span class='hs-definition'>patchesMetaHandler</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>MVar</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-363"></a><span class='hs-definition'>patchesMetaHandler</span> <span class='hs-varid'>ca</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-364"></a>  <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-str'>"meta-filelist-inventories"</span>
<a name="line-365"></a>  <span class='hs-varid'>when</span> <span class='hs-varid'>ex</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-366"></a>    <span class='hs-varid'>forkWithControlMVar</span> <span class='hs-varid'>mv</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fetchFilesUsingCache</span> <span class='hs-varid'>ca</span> <span class='hs-conid'>HashedPristineDir</span> <span class='hs-varop'>.</span>
<a name="line-367"></a>      <span class='hs-varid'>lines</span> <span class='hs-varop'>=&lt;&lt;</span> <span class='hs-varid'>readFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-str'>"meta-filelist-inventories"</span><span class='hs-layout'>)</span>
<a name="line-368"></a>    <span class='hs-varid'>forkWithControlMVar</span> <span class='hs-varid'>mv</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fetchFilesUsingCache</span> <span class='hs-varid'>ca</span> <span class='hs-conid'>HashedPatchesDir</span> <span class='hs-varid'>ps</span>
<a name="line-369"></a>  <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-370"></a>
<a name="line-371"></a><a name="cacheDir"></a><span class='hs-definition'>cacheDir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span>
<a name="line-372"></a><span class='hs-definition'>cacheDir</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ca</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>listToMaybe</span> <span class='hs-varop'>.</span> <span class='hs-varid'>catMaybes</span> <span class='hs-varop'>.</span><span class='hs-varid'>flip</span> <span class='hs-varid'>map</span> <span class='hs-varid'>cs</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-373"></a>  <span class='hs-conid'>Cache</span> <span class='hs-conid'>Directory</span> <span class='hs-conid'>Writable</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>x'</span>
<a name="line-374"></a>  <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Nothing</span>
<a name="line-375"></a>
<a name="line-376"></a><a name="hashedPatchFileName"></a><span class='hs-definition'>hashedPatchFileName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PatchInfoAnd</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span>
<a name="line-377"></a><span class='hs-definition'>hashedPatchFileName</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>extractHash</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-378"></a>  <span class='hs-conid'>Left</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"unexpected unhashed patch"</span>
<a name="line-379"></a>  <span class='hs-conid'>Right</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>h</span>
<a name="line-380"></a> 
<a name="line-381"></a><a name="fetchFilesUsingCache"></a><span class='hs-comment'>-- | fetchFilesUsingCache is similar to mapM fetchFileUsingCache, exepts</span>
<a name="line-382"></a><span class='hs-comment'>-- it stops execution if file it's going to fetch already exists.</span>
<a name="line-383"></a><span class='hs-definition'>fetchFilesUsingCache</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedDir</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-384"></a><span class='hs-definition'>fetchFilesUsingCache</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-385"></a><span class='hs-definition'>fetchFilesUsingCache</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span><span class='hs-conop'>:</span><span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-386"></a>  <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>hashedDir</span> <span class='hs-varid'>d</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>f</span>
<a name="line-387"></a>  <span class='hs-keyword'>if</span> <span class='hs-varid'>ex</span>
<a name="line-388"></a>    <span class='hs-keyword'>then</span> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Cache thread: STOP "</span> <span class='hs-varop'>++</span>
<a name="line-389"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>hashedDir</span> <span class='hs-varid'>d</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-390"></a>    <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-391"></a>      <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Cache thread: GET "</span> <span class='hs-varop'>++</span>
<a name="line-392"></a>        <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>hashedDir</span> <span class='hs-varid'>d</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-393"></a><span class='hs-comment'>-- Warning:  A do-notation statement discarded a result of type (String, BS.ByteString).</span>
<a name="line-394"></a>      <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>fetchFileUsingCache</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span> <span class='hs-varid'>f</span>
<a name="line-395"></a>      <span class='hs-varid'>fetchFilesUsingCache</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span> <span class='hs-varid'>fs</span>
<a name="line-396"></a>
<a name="line-397"></a><a name="writePatchSet"></a><span class='hs-comment'>-- | writePatchSet is like patchSetToRepository, except that it doesn't</span>
<a name="line-398"></a><span class='hs-comment'>-- touch the working directory or pristine cache.</span>
<a name="line-399"></a><span class='hs-definition'>writePatchSet</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>PatchSet</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-conid'>Origin</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-400"></a><span class='hs-definition'>writePatchSet</span> <span class='hs-varid'>patchset</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-401"></a>    <span class='hs-varid'>maybeRepo</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>maybeIdentifyRepository</span> <span class='hs-varid'>opts</span> <span class='hs-str'>"."</span>
<a name="line-402"></a>    <span class='hs-keyword'>let</span> <span class='hs-varid'>repo</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-403"></a>          <span class='hs-keyword'>case</span> <span class='hs-varid'>maybeRepo</span> <span class='hs-keyword'>of</span>
<a name="line-404"></a>            <span class='hs-conid'>GoodRepository</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>r</span>
<a name="line-405"></a>            <span class='hs-conid'>BadRepository</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>bug</span> <span class='hs-layout'>(</span><span class='hs-str'>"Current directory is a bad repository in writePatchSet: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>
<a name="line-406"></a>            <span class='hs-conid'>NonRepository</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>bug</span> <span class='hs-layout'>(</span><span class='hs-str'>"Current directory not a repository in writePatchSet: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>
<a name="line-407"></a>    <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Writing inventory"</span>
<a name="line-408"></a>    <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>writeTentativeInventory</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>compression</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varid'>patchset</span>
<a name="line-409"></a>    <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>finalizeTentativeChanges</span> <span class='hs-varid'>repo</span> <span class='hs-layout'>(</span><span class='hs-varid'>compression</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-410"></a>    <span class='hs-varid'>return</span> <span class='hs-varid'>repo</span>
<a name="line-411"></a>
<a name="line-412"></a><a name="patchSetToRepository"></a><span class='hs-comment'>-- | patchSetToRepository takes a patch set, and writes a new repository in the current directory</span>
<a name="line-413"></a><span class='hs-comment'>--   that contains all the patches in the patch set. This function is used when 'darcs get'ing a</span>
<a name="line-414"></a><span class='hs-comment'>--   repository with the --to-match flag and the new repository is not in hashed format.</span>
<a name="line-415"></a><span class='hs-comment'>--   This function does not (yet) work for hashed repositories. If the passed @DarcsFlag@s tell</span>
<a name="line-416"></a><span class='hs-comment'>--   darcs to create a hashed repository, this function will call @error@.</span>
<a name="line-417"></a><span class='hs-definition'>patchSetToRepository</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span>
<a name="line-418"></a>                     <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r1</span> <span class='hs-varid'>u1</span> <span class='hs-varid'>r1</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>PatchSet</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-conid'>Origin</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-419"></a>                     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-420"></a><span class='hs-definition'>patchSetToRepository</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-varid'>fromrepo</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>rf</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>patchset</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-421"></a>    <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>formatHas</span> <span class='hs-conid'>HashedInventory</span> <span class='hs-varid'>rf</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-comment'>-- set up sources and all that</span>
<a name="line-422"></a>       <span class='hs-keyword'>do</span> <span class='hs-varid'>writeFile</span> <span class='hs-str'>"_darcs/tentative_pristine"</span> <span class='hs-str'>""</span> <span class='hs-comment'>-- this is hokey</span>
<a name="line-423"></a>          <span class='hs-varid'>repox</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>writePatchSet</span> <span class='hs-varid'>patchset</span> <span class='hs-varid'>opts</span>
<a name="line-424"></a>          <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>copyRepo</span> <span class='hs-varid'>repox</span> <span class='hs-layout'>(</span><span class='hs-varid'>remoteDarcs</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varid'>fromrepo</span>
<a name="line-425"></a>    <span class='hs-varid'>repo</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>writePatchSet</span> <span class='hs-varid'>patchset</span> <span class='hs-varid'>opts</span>
<a name="line-426"></a>    <span class='hs-varid'>readRepo</span> <span class='hs-varid'>repo</span> <span class='hs-varop'>&gt;&gt;=</span> <span class='hs-layout'>(</span><span class='hs-varid'>applyPatches</span> <span class='hs-varop'>.</span> <span class='hs-varid'>newset2FL</span><span class='hs-layout'>)</span>
<a name="line-427"></a>    <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Writing the pristine"</span>
<a name="line-428"></a>    <span class='hs-varid'>pristineFromWorking</span> <span class='hs-varid'>repo</span>
<a name="line-429"></a>    <span class='hs-varid'>return</span> <span class='hs-varid'>repo</span>
<a name="line-430"></a>
<a name="line-431"></a><a name="checkUnrelatedRepos"></a><span class='hs-definition'>checkUnrelatedRepos</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>PatchSet</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>start</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>PatchSet</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>start</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-432"></a>                    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-433"></a><span class='hs-definition'>checkUnrelatedRepos</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AllowUnrelatedRepos</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-434"></a><span class='hs-definition'>checkUnrelatedRepos</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>us</span> <span class='hs-varid'>them</span> <span class='hs-keyglyph'>=</span>
<a name="line-435"></a>    <span class='hs-keyword'>if</span> <span class='hs-varid'>areUnrelatedRepos</span> <span class='hs-varid'>us</span> <span class='hs-varid'>them</span>
<a name="line-436"></a>    <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>confirmed</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>promptYorn</span> <span class='hs-str'>"Repositories seem to be unrelated. Proceed?"</span>
<a name="line-437"></a>            <span class='hs-varid'>unless</span> <span class='hs-varid'>confirmed</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Cancelled."</span>
<a name="line-438"></a>                                  <span class='hs-varid'>exitWith</span> <span class='hs-conid'>ExitSuccess</span>
<a name="line-439"></a>    <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-440"></a>
<a name="line-441"></a><a name="fetchPatchesIfNecessary"></a><span class='hs-comment'>-- | Unless a flag has been given in the first argument that tells darcs not to do so (--lazy,</span>
<a name="line-442"></a><span class='hs-comment'>--   or --partial), this function fetches all patches that the given repository has</span>
<a name="line-443"></a><span class='hs-comment'>--   with fetchFileUsingCache. This is used as a helper in copyRepository.</span>
<a name="line-444"></a><span class='hs-definition'>fetchPatchesIfNecessary</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyword'>forall</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-445"></a><span class='hs-definition'>fetchPatchesIfNecessary</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>torepository</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-446"></a>    <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-conid'>Lazy</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-447"></a>             <span class='hs-keyword'>do</span> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-conid'>Complete</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-448"></a>                       <span class='hs-varid'>putInfo</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"Copying patches, to get lazy repository hit ctrl-C..."</span>
<a name="line-449"></a>                <span class='hs-varid'>r</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>torepository</span>
<a name="line-450"></a>                <span class='hs-varid'>pipelineLength</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>maxPipelineLength</span>
<a name="line-451"></a>                <span class='hs-keyword'>let</span> <span class='hs-varid'>patches</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>newset2RL</span> <span class='hs-varid'>r</span>
<a name="line-452"></a>                    <span class='hs-varid'>ppatches</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>progressRLShowTags</span> <span class='hs-str'>"Copying patches"</span> <span class='hs-varid'>patches</span>
<a name="line-453"></a>                    <span class='hs-layout'>(</span><span class='hs-varid'>first</span><span class='hs-layout'>,</span> <span class='hs-varid'>other</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>splitAt</span> <span class='hs-layout'>(</span><span class='hs-varid'>pipelineLength</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>tail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>hashes</span> <span class='hs-varid'>patches</span>
<a name="line-454"></a>                    <span class='hs-varid'>speculate</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>pipelineLength</span> <span class='hs-varop'>&gt;</span> <span class='hs-num'>1</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span> <span class='hs-varid'>first</span> <span class='hs-conop'>:</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-conop'>:</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-varid'>other</span>
<a name="line-455"></a>                              <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-456"></a>                <span class='hs-varid'>mapM_</span> <span class='hs-varid'>fetchAndSpeculate</span> <span class='hs-varop'>$</span> <span class='hs-varid'>zip</span> <span class='hs-layout'>(</span><span class='hs-varid'>hashes</span> <span class='hs-varid'>ppatches</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>speculate</span> <span class='hs-varop'>++</span> <span class='hs-varid'>repeat</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-457"></a>  <span class='hs-keyword'>where</span> <span class='hs-varid'>hashes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FORALL</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-conid'>RL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PatchInfoAnd</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-458"></a>        <span class='hs-varid'>hashes</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>catMaybes</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mapRL</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>either</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-conid'>Just</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>extractHash</span><span class='hs-layout'>)</span>
<a name="line-459"></a>        <span class='hs-varid'>fetchAndSpeculate</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-460"></a>        <span class='hs-varid'>fetchAndSpeculate</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span><span class='hs-layout'>,</span> <span class='hs-varid'>ss</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-461"></a><span class='hs-comment'>-- Warning:  A do-notation statement discarded a result of type (String, BS.ByteString).</span>
<a name="line-462"></a>          <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>fetchFileUsingCache</span> <span class='hs-varid'>c</span> <span class='hs-conid'>HashedPatchesDir</span> <span class='hs-varid'>f</span>
<a name="line-463"></a>          <span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-varid'>speculateFileUsingCache</span> <span class='hs-varid'>c</span> <span class='hs-conid'>HashedPatchesDir</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss</span>
<a name="line-464"></a>
<a name="line-465"></a><a name="addToPending"></a><span class='hs-definition'>addToPending</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span>
<a name="line-466"></a>             <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>u</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-467"></a><span class='hs-definition'>addToPending</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NoUpdateWorking</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-468"></a><span class='hs-definition'>addToPending</span> <span class='hs-varid'>repo</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Repo</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span>
<a name="line-469"></a>    <span class='hs-keyword'>do</span> <span class='hs-varid'>pend</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>unrecordedChanges</span> <span class='hs-layout'>(</span><span class='hs-conid'>UseIndex</span><span class='hs-layout'>,</span> <span class='hs-conid'>ScanKnown</span><span class='hs-layout'>)</span> <span class='hs-varid'>repo</span> <span class='hs-conid'>Nothing</span>
<a name="line-470"></a>       <span class='hs-varid'>invalidateIndex</span> <span class='hs-varid'>repo</span>
<a name="line-471"></a>       <span class='hs-varid'>makeNewPending</span> <span class='hs-varid'>repo</span> <span class='hs-layout'>(</span><span class='hs-varid'>pend</span> <span class='hs-varop'>+&gt;+</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
<a name="line-472"></a>
<a name="line-473"></a><a name="replacePristine"></a><span class='hs-comment'>-- | Replace the existing pristine with a new one (loaded up in a Tree object).</span>
<a name="line-474"></a><span class='hs-definition'>replacePristine</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-475"></a><span class='hs-definition'>replacePristine</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-varid'>r</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>writePristine</span> <span class='hs-varid'>r</span>
<a name="line-476"></a>
<a name="line-477"></a><a name="writePristine"></a><span class='hs-definition'>writePristine</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-478"></a><span class='hs-definition'>writePristine</span> <span class='hs-varid'>r</span> <span class='hs-varid'>tree</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withCurrentDirectory</span> <span class='hs-varid'>r</span> <span class='hs-varop'>$</span>
<a name="line-479"></a>    <span class='hs-keyword'>do</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-str'>"hashed_inventory"</span>
<a name="line-480"></a>       <span class='hs-varid'>i</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>gzReadFilePS</span> <span class='hs-varid'>t</span>
<a name="line-481"></a>       <span class='hs-varid'>tree'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>darcsAddMissingHashes</span> <span class='hs-varid'>tree</span>
<a name="line-482"></a>       <span class='hs-varid'>root</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>writeDarcsHashed</span> <span class='hs-varid'>tree'</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>&lt;/&gt;</span> <span class='hs-str'>"pristine.hashed"</span>
<a name="line-483"></a>       <span class='hs-varid'>writeDocBinFile</span> <span class='hs-varid'>t</span> <span class='hs-varop'>$</span> <span class='hs-varid'>pris2inv</span> <span class='hs-layout'>(</span><span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varop'>$</span> <span class='hs-varid'>encodeBase16</span> <span class='hs-varid'>root</span><span class='hs-layout'>)</span> <span class='hs-varid'>i</span>
<a name="line-484"></a>
<a name="line-485"></a><a name="pristineFromWorking"></a><span class='hs-definition'>pristineFromWorking</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-486"></a><span class='hs-definition'>pristineFromWorking</span> <span class='hs-varid'>repo</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-varid'>dir</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-487"></a>  <span class='hs-varid'>withCurrentDirectory</span> <span class='hs-varid'>dir</span> <span class='hs-varop'>$</span> <span class='hs-varid'>readWorking</span> <span class='hs-varop'>&gt;&gt;=</span> <span class='hs-varid'>replacePristine</span> <span class='hs-varid'>repo</span>
<a name="line-488"></a>
</pre></body>
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