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<title>src/Darcs/Commands/Optimize.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2003-2005 David Roundy</span>
<a name="line-2"></a><span class='hs-comment'>--</span>
<a name="line-3"></a><span class='hs-comment'>-- This program is free software; you can redistribute it and/or modify</span>
<a name="line-4"></a><span class='hs-comment'>-- it under the terms of the GNU General Public License as published by</span>
<a name="line-5"></a><span class='hs-comment'>-- the Free Software Foundation; either version 2, or (at your option)</span>
<a name="line-6"></a><span class='hs-comment'>-- any later version.</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- This program is distributed in the hope that it will be useful,</span>
<a name="line-9"></a><span class='hs-comment'>-- but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="line-10"></a><span class='hs-comment'>-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="line-11"></a><span class='hs-comment'>-- GNU General Public License for more details.</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- You should have received a copy of the GNU General Public License</span>
<a name="line-14"></a><span class='hs-comment'>-- along with this program; see the file COPYING. If not, write to</span>
<a name="line-15"></a><span class='hs-comment'>-- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="line-16"></a><span class='hs-comment'>-- Boston, MA 02110-1301, USA.</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Commands</span><span class='hs-varop'>.</span><span class='hs-conid'>Optimize</span> <span class='hs-layout'>(</span> <span class='hs-varid'>optimize</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-22"></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-23"></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'>when</span><span class='hs-layout'>,</span> <span class='hs-varid'>unless</span> <span class='hs-layout'>)</span>
<a name="line-24"></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'>isJust</span> <span class='hs-layout'>)</span>
<a name="line-25"></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'>sort</span> <span class='hs-layout'>)</span>
<a name="line-26"></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'>getDirectoryContents</span><span class='hs-layout'>,</span> <span class='hs-varid'>doesDirectoryExist</span><span class='hs-layout'>,</span>
<a name="line-27"></a> <span class='hs-varid'>doesFileExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>renameFile</span><span class='hs-layout'>,</span> <span class='hs-varid'>getModificationTime</span> <span class='hs-layout'>)</span>
<a name="line-28"></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'>Unsafe</span> <span class='hs-layout'>(</span> <span class='hs-varid'>unsafeInterleaveIO</span> <span class='hs-layout'>)</span>
<a name="line-29"></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-30"></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-keyword'>as</span> <span class='hs-conid'>BL</span>
<a name="line-31"></a>
<a name="line-32"></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'>decodeDarcsSize</span> <span class='hs-layout'>)</span>
<a name="line-33"></a>
<a name="line-34"></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-varid'>info</span><span class='hs-layout'>,</span> <span class='hs-varid'>extractHash</span> <span class='hs-layout'>)</span>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Commands</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsCommand</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'>nodefaults</span> <span class='hs-layout'>)</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Arguments</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsFlag</span><span class='hs-layout'>(</span> <span class='hs-conid'>UpgradeFormat</span><span class='hs-layout'>,</span> <span class='hs-conid'>UseHashedInventory</span><span class='hs-layout'>,</span>
<a name="line-37"></a> <span class='hs-conid'>Compress</span><span class='hs-layout'>,</span> <span class='hs-conid'>UnCompress</span><span class='hs-layout'>,</span>
<a name="line-38"></a> <span class='hs-conid'>NoCompress</span><span class='hs-layout'>,</span> <span class='hs-conid'>Reorder</span><span class='hs-layout'>,</span>
<a name="line-39"></a> <span class='hs-conid'>Relink</span><span class='hs-layout'>,</span> <span class='hs-conid'>OptimizePristine</span><span class='hs-layout'>,</span>
<a name="line-40"></a> <span class='hs-conid'>OptimizeHTTP</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-41"></a> <span class='hs-varid'>reorderPatches</span><span class='hs-layout'>,</span>
<a name="line-42"></a> <span class='hs-varid'>uncompressNocompress</span><span class='hs-layout'>,</span>
<a name="line-43"></a> <span class='hs-varid'>relink</span><span class='hs-layout'>,</span> <span class='hs-varid'>sibling</span><span class='hs-layout'>,</span>
<a name="line-44"></a> <span class='hs-varid'>flagsToSiblings</span><span class='hs-layout'>,</span>
<a name="line-45"></a> <span class='hs-varid'>upgradeFormat</span><span class='hs-layout'>,</span>
<a name="line-46"></a> <span class='hs-varid'>workingRepoDir</span><span class='hs-layout'>,</span> <span class='hs-varid'>umaskOption</span><span class='hs-layout'>,</span> <span class='hs-varid'>optimizePristine</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-varid'>optimizeHTTP</span>
<a name="line-48"></a> <span class='hs-layout'>)</span>
<a name="line-49"></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'>getPreflist</span> <span class='hs-layout'>)</span>
<a name="line-50"></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-layout'>(</span> <span class='hs-conid'>Repository</span><span class='hs-layout'>,</span>
<a name="line-51"></a> <span class='hs-varid'>withRepoLock</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> <span class='hs-varid'>withGutsOf</span><span class='hs-layout'>,</span>
<a name="line-52"></a> <span class='hs-varid'>readRepo</span><span class='hs-layout'>,</span> <span class='hs-varid'>optimizeInventory</span><span class='hs-layout'>,</span>
<a name="line-53"></a> <span class='hs-varid'>tentativelyReplacePatches</span><span class='hs-layout'>,</span> <span class='hs-varid'>cleanRepository</span><span class='hs-layout'>,</span>
<a name="line-54"></a> <span class='hs-varid'>amInRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>finalizeRepositoryChanges</span><span class='hs-layout'>,</span> <span class='hs-varid'>replacePristine</span> <span class='hs-layout'>)</span>
<a name="line-55"></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'>Old</span> <span class='hs-layout'>(</span> <span class='hs-varid'>oldRepoFailMsg</span> <span class='hs-layout'>)</span>
<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'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Ordered</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'>+<+</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>reverseRL</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapRL</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>
<a name="line-57"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mapFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>bunchFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>lengthRL</span> <span class='hs-layout'>)</span>
<a name="line-58"></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'>Info</span> <span class='hs-layout'>(</span> <span class='hs-varid'>isTag</span> <span class='hs-layout'>)</span>
<a name="line-59"></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>
<a name="line-60"></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-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-61"></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-62"></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-63"></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'>splitOnTag</span> <span class='hs-layout'>)</span>
<a name="line-64"></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'>maybeRelink</span><span class='hs-layout'>,</span> <span class='hs-varid'>gzWriteAtomicFilePS</span><span class='hs-layout'>,</span> <span class='hs-varid'>writeAtomicFilePS</span> <span class='hs-layout'>)</span>
<a name="line-65"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>RepoPath</span> <span class='hs-layout'>(</span> <span class='hs-varid'>toFilePath</span> <span class='hs-layout'>)</span>
<a name="line-66"></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>
<a name="line-67"></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>
<a name="line-68"></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-69"></a>
<a name="line-70"></a><span class='hs-comment'>-- imports for optimize --upgrade; to be tidied</span>
<a name="line-71"></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'>createDirectoryIfMissing</span><span class='hs-layout'>,</span> <span class='hs-varid'>removeFile</span> <span class='hs-layout'>)</span>
<a name="line-72"></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-varop'>.</span><span class='hs-conid'>Posix</span> <span class='hs-layout'>(</span> <span class='hs-varid'>takeExtension</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'></></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'><.></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>takeFileName</span> <span class='hs-layout'>)</span>
<a name="line-73"></a>
<a name="line-74"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Progress</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> <span class='hs-varid'>tediousSize</span> <span class='hs-layout'>)</span>
<a name="line-75"></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-varid'>compression</span> <span class='hs-layout'>)</span>
<a name="line-76"></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'>rmRecursive</span> <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'>ProgressPatches</span> <span class='hs-layout'>(</span> <span class='hs-varid'>progressFL</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'>hashedDir</span><span class='hs-layout'>,</span> <span class='hs-conid'>HashedDir</span><span class='hs-layout'>(</span><span class='hs-conid'>HashedPristineDir</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-79"></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-varid'>identifyRepoFormat</span><span class='hs-layout'>,</span>
<a name="line-80"></a> <span class='hs-varid'>createRepoFormat</span><span class='hs-layout'>,</span> <span class='hs-varid'>writeRepoFormat</span><span class='hs-layout'>,</span> <span class='hs-varid'>formatHas</span><span class='hs-layout'>,</span>
<a name="line-81"></a> <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>
<a name="line-82"></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-83"></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'>getCaches</span> <span class='hs-layout'>)</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'>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>
<a name="line-85"></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'>catchall</span> <span class='hs-layout'>)</span>
<a name="line-86"></a>
<a name="line-87"></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-conid'>TreeItem</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'>list</span><span class='hs-layout'>,</span> <span class='hs-varid'>expand</span><span class='hs-layout'>,</span> <span class='hs-varid'>emptyTree</span> <span class='hs-layout'>)</span>
<a name="line-88"></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'>AnchoredPath</span><span class='hs-layout'>(</span> <span class='hs-varid'>anchorPath</span> <span class='hs-layout'>)</span>
<a name="line-89"></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'>Plain</span><span class='hs-layout'>(</span> <span class='hs-varid'>readPlainTree</span> <span class='hs-layout'>)</span>
<a name="line-90"></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>
<a name="line-91"></a>
<a name="line-92"></a><span class='hs-keyword'>import</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-layout'>(</span> <span class='hs-varid'>write</span> <span class='hs-layout'>)</span>
<a name="line-93"></a><span class='hs-keyword'>import</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-varop'>.</span><span class='hs-conid'>Entry</span> <span class='hs-layout'>(</span> <span class='hs-varid'>fileEntry</span><span class='hs-layout'>,</span> <span class='hs-varid'>toTarPath</span> <span class='hs-layout'>)</span>
<a name="line-94"></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>
<a name="line-95"></a>
<a name="line-96"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-97"></a>
<a name="line-98"></a><a name="optimizeDescription"></a><span class='hs-definition'>optimizeDescription</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-99"></a><span class='hs-definition'>optimizeDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Optimize the repository."</span>
<a name="line-100"></a>
<a name="line-101"></a><a name="optimizeHelp"></a><span class='hs-definition'>optimizeHelp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-102"></a><span class='hs-definition'>optimizeHelp</span> <span class='hs-keyglyph'>=</span>
<a name="line-103"></a> <span class='hs-str'>"The `darcs optimize' command modifies the current repository in an\n"</span> <span class='hs-varop'>++</span>
<a name="line-104"></a> <span class='hs-str'>"attempt to reduce its resource requirements. By default a single\n"</span> <span class='hs-varop'>++</span>
<a name="line-105"></a> <span class='hs-str'>"fast, safe optimization is performed; additional optimization\n"</span> <span class='hs-varop'>++</span>
<a name="line-106"></a> <span class='hs-str'>"techniques can be enabled by passing options to `darcs optimize'.\n"</span> <span class='hs-varop'>++</span>
<a name="line-107"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>optimizeHelpInventory</span> <span class='hs-varop'>++</span>
<a name="line-108"></a> <span class='hs-comment'>-- "\n" ++ optimize_help_reorder ++</span>
<a name="line-109"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>optimizeHelpRelink</span> <span class='hs-varop'>++</span>
<a name="line-110"></a> <span class='hs-comment'>-- uncompression is least useful, so it is last.</span>
<a name="line-111"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>optimizeHelpCompression</span> <span class='hs-varop'>++</span>
<a name="line-112"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-113"></a> <span class='hs-str'>"There is one more optimization which CAN NOT be performed by this\n"</span> <span class='hs-varop'>++</span>
<a name="line-114"></a> <span class='hs-str'>"command. Every time your record a patch, a new inventory file is\n"</span> <span class='hs-varop'>++</span>
<a name="line-115"></a> <span class='hs-str'>"written to _darcs/inventories/, and old inventories are never reaped.\n"</span> <span class='hs-varop'>++</span>
<a name="line-116"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-117"></a> <span class='hs-str'>"If _darcs/inventories/ is consuming a relatively large amount of\n"</span> <span class='hs-varop'>++</span>
<a name="line-118"></a> <span class='hs-str'>"space, you can safely reclaim it by using `darcs get' to make a\n"</span> <span class='hs-varop'>++</span>
<a name="line-119"></a> <span class='hs-str'>"complete copy of the repo. When doing so, don't forget to copy over\n"</span> <span class='hs-varop'>++</span>
<a name="line-120"></a> <span class='hs-str'>"any unsaved changes you have made to the working tree or to\n"</span> <span class='hs-varop'>++</span>
<a name="line-121"></a> <span class='hs-str'>"unversioned files in _darcs/prefs/ (such as _darcs/prefs/author).\n"</span>
<a name="line-122"></a>
<a name="line-123"></a><a name="optimize"></a><span class='hs-definition'>optimize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-124"></a><span class='hs-definition'>optimize</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-layout'>{</span><span class='hs-varid'>commandProgramName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"darcs"</span><span class='hs-layout'>,</span>
<a name="line-125"></a> <span class='hs-varid'>commandName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"optimize"</span><span class='hs-layout'>,</span>
<a name="line-126"></a> <span class='hs-varid'>commandHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>optimizeHelp</span><span class='hs-layout'>,</span>
<a name="line-127"></a> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>optimizeDescription</span><span class='hs-layout'>,</span>
<a name="line-128"></a> <span class='hs-varid'>commandExtraArgs</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span>
<a name="line-129"></a> <span class='hs-varid'>commandExtraArgHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-130"></a> <span class='hs-varid'>commandCommand</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>optimizeCmd</span><span class='hs-layout'>,</span>
<a name="line-131"></a> <span class='hs-varid'>commandPrereq</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>amInRepository</span><span class='hs-layout'>,</span>
<a name="line-132"></a> <span class='hs-varid'>commandGetArgPossibilities</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-133"></a> <span class='hs-varid'>commandArgdefaults</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>nodefaults</span><span class='hs-layout'>,</span>
<a name="line-134"></a> <span class='hs-varid'>commandAdvancedOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>uncompressNocompress</span><span class='hs-layout'>,</span> <span class='hs-varid'>umaskOption</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span>
<a name="line-135"></a> <span class='hs-varid'>commandBasicOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>workingRepoDir</span><span class='hs-layout'>,</span>
<a name="line-136"></a> <span class='hs-varid'>reorderPatches</span><span class='hs-layout'>,</span>
<a name="line-137"></a> <span class='hs-varid'>sibling</span><span class='hs-layout'>,</span> <span class='hs-varid'>relink</span><span class='hs-layout'>,</span>
<a name="line-138"></a> <span class='hs-varid'>upgradeFormat</span><span class='hs-layout'>,</span>
<a name="line-139"></a> <span class='hs-varid'>optimizePristine</span><span class='hs-layout'>,</span>
<a name="line-140"></a> <span class='hs-varid'>optimizeHTTP</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>}</span>
<a name="line-141"></a>
<a name="line-142"></a><a name="optimizeCmd"></a><span class='hs-definition'>optimizeCmd</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'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-143"></a><span class='hs-definition'>optimizeCmd</span> <span class='hs-varid'>origopts</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-144"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>UpgradeFormat</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>origopts</span><span class='hs-layout'>)</span> <span class='hs-varid'>optimizeUpgradeFormat</span>
<a name="line-145"></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'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>repository</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-146"></a> <span class='hs-varid'>cleanRepository</span> <span class='hs-varid'>repository</span> <span class='hs-comment'>-- garbage collect pristine.hashed directory</span>
<a name="line-147"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>OptimizeHTTP</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>origopts</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>doOptimizeHTTP</span> <span class='hs-varid'>repository</span>
<a name="line-148"></a> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-conid'>OptimizePristine</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-149"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>doOptimizePristine</span> <span class='hs-varid'>repository</span>
<a name="line-150"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>Reorder</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>doReorder</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>repository</span>
<a name="line-151"></a> <span class='hs-varid'>doOptimizeInventory</span> <span class='hs-varid'>repository</span>
<a name="line-152"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>Compress</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>||</span> <span class='hs-conid'>UnCompress</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-153"></a> <span class='hs-varid'>optimizeCompression</span> <span class='hs-varid'>opts</span>
<a name="line-154"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>Relink</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-155"></a> <span class='hs-varid'>doRelink</span> <span class='hs-varid'>opts</span>
<a name="line-156"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Done optimizing!"</span>
<a name="line-157"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>UnCompress</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>origopts</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>NoCompress</span><span class='hs-conop'>:</span><span class='hs-varid'>origopts</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>origopts</span>
<a name="line-158"></a>
<a name="line-159"></a><a name="optimizeHelpInventory"></a><span class='hs-definition'>optimizeHelpInventory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-160"></a><span class='hs-definition'>optimizeHelpInventory</span> <span class='hs-keyglyph'>=</span>
<a name="line-161"></a> <span class='hs-str'>"The default optimization moves recent patches (those not included in\n"</span> <span class='hs-varop'>++</span>
<a name="line-162"></a> <span class='hs-str'>"the latest tag) to the `front', reducing the amount that a typical\n"</span> <span class='hs-varop'>++</span>
<a name="line-163"></a> <span class='hs-str'>"remote command needs to download. It should also reduce the CPU time\n"</span> <span class='hs-varop'>++</span>
<a name="line-164"></a> <span class='hs-str'>"needed for some operations.\n"</span>
<a name="line-165"></a>
<a name="line-166"></a><a name="doOptimizeInventory"></a><span class='hs-definition'>doOptimizeInventory</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'>=></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'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-167"></a><span class='hs-definition'>doOptimizeInventory</span> <span class='hs-varid'>repository</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-168"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Writing out a nice copy of the inventory."</span>
<a name="line-169"></a> <span class='hs-varid'>optimizeInventory</span> <span class='hs-varid'>repository</span>
<a name="line-170"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Done writing out a nice copy of the inventory."</span>
<a name="line-171"></a>
<a name="line-172"></a><a name="optimizeHelpCompression"></a><span class='hs-definition'>optimizeHelpCompression</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-173"></a><span class='hs-definition'>optimizeHelpCompression</span> <span class='hs-keyglyph'>=</span>
<a name="line-174"></a> <span class='hs-str'>"By default patches are compressed with zlib (RFC 1951) to reduce\n"</span> <span class='hs-varop'>++</span>
<a name="line-175"></a> <span class='hs-str'>"storage (and download) size. In exceptional circumstances, it may be\n"</span> <span class='hs-varop'>++</span>
<a name="line-176"></a> <span class='hs-str'>"preferable to avoid compression. In this case the `--dont-compress'\n"</span> <span class='hs-varop'>++</span>
<a name="line-177"></a> <span class='hs-str'>"option can be used (e.g. with `darcs record') to avoid compression.\n"</span> <span class='hs-varop'>++</span>
<a name="line-178"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-179"></a> <span class='hs-str'>"The `darcs optimize --uncompress' and `darcs optimize --compress'\n"</span> <span class='hs-varop'>++</span>
<a name="line-180"></a> <span class='hs-str'>"commands can be used to ensure existing patches in the current\n"</span> <span class='hs-varop'>++</span>
<a name="line-181"></a> <span class='hs-str'>"repository are respectively uncompressed or compressed. Note that\n"</span> <span class='hs-varop'>++</span>
<a name="line-182"></a> <span class='hs-str'>"repositories in the legacy `old-fashioned-inventory' format have a .gz\n"</span> <span class='hs-varop'>++</span>
<a name="line-183"></a> <span class='hs-str'>"extension on patch files even when uncompressed.\n"</span>
<a name="line-184"></a>
<a name="line-185"></a><a name="optimizeCompression"></a><span class='hs-definition'>optimizeCompression</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'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-186"></a><span class='hs-definition'>optimizeCompression</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-187"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Optimizing (un)compression of patches..."</span>
<a name="line-188"></a> <span class='hs-varid'>do_compress</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span><span class='hs-varop'>++</span><span class='hs-str'>"/patches"</span><span class='hs-layout'>)</span>
<a name="line-189"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Optimizing (un)compression of inventories..."</span>
<a name="line-190"></a> <span class='hs-varid'>do_compress</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span><span class='hs-varop'>++</span><span class='hs-str'>"/inventories"</span><span class='hs-layout'>)</span>
<a name="line-191"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>do_compress</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span>
<a name="line-192"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>isd</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>f</span>
<a name="line-193"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isd</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>withCurrentDirectory</span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span>
<a name="line-194"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>filter</span> <span class='hs-varid'>notdot</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>getDirectoryContents</span> <span class='hs-str'>"."</span>
<a name="line-195"></a> <span class='hs-varid'>mapM_</span> <span class='hs-varid'>do_compress</span> <span class='hs-varid'>fs</span>
<a name="line-196"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>Compress</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-197"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>gzReadFilePS</span> <span class='hs-varid'>f</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>gzWriteAtomicFilePS</span> <span class='hs-varid'>f</span>
<a name="line-198"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>gzReadFilePS</span> <span class='hs-varid'>f</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>writeAtomicFilePS</span> <span class='hs-varid'>f</span>
<a name="line-199"></a> <span class='hs-varid'>notdot</span> <span class='hs-layout'>(</span><span class='hs-chr'>'.'</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-200"></a> <span class='hs-varid'>notdot</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-201"></a>
<a name="line-202"></a><a name="optimizeHelpRelink"></a><span class='hs-definition'>optimizeHelpRelink</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-203"></a><span class='hs-definition'>optimizeHelpRelink</span> <span class='hs-keyglyph'>=</span>
<a name="line-204"></a> <span class='hs-str'>"The `darcs optimize --relink' command hard-links patches that the\n"</span> <span class='hs-varop'>++</span>
<a name="line-205"></a> <span class='hs-str'>"current repository has in common with its peers. Peers are those\n"</span> <span class='hs-varop'>++</span>
<a name="line-206"></a> <span class='hs-str'>"repositories listed in _darcs/prefs/sources, or defined with the\n"</span> <span class='hs-varop'>++</span>
<a name="line-207"></a> <span class='hs-str'>"`--sibling' option (which can be used multiple times).\n"</span> <span class='hs-varop'>++</span>
<a name="line-208"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-209"></a> <span class='hs-str'>"Darcs uses hard-links automatically, so this command is rarely needed.\n"</span> <span class='hs-varop'>++</span>
<a name="line-210"></a> <span class='hs-str'>"It is most useful if you used `cp -r' instead of `darcs get' to copy a\n"</span> <span class='hs-varop'>++</span>
<a name="line-211"></a> <span class='hs-str'>"repository, or if you pulled the same patch from a remote repository\n"</span> <span class='hs-varop'>++</span>
<a name="line-212"></a> <span class='hs-str'>"into multiple local repositories.\n"</span>
<a name="line-213"></a>
<a name="line-214"></a><a name="doOptimizePristine"></a><span class='hs-definition'>doOptimizePristine</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'>=></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'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-215"></a><span class='hs-definition'>doOptimizePristine</span> <span class='hs-varid'>repo</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-216"></a> <span class='hs-varid'>hashed</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"hashed_inventory"</span>
<a name="line-217"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>hashed</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-218"></a> <span class='hs-varid'>inv</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>readFile</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>
<a name="line-219"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>linesInv</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>split</span> <span class='hs-chr'>'\n'</span> <span class='hs-varid'>inv</span>
<a name="line-220"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>linesInv</span> <span class='hs-keyword'>of</span>
<a name="line-221"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-222"></a> <span class='hs-layout'>(</span><span class='hs-varid'>pris_line</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-223"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>size</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>decodeDarcsSize</span> <span class='hs-varop'>$</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>drop</span> <span class='hs-num'>9</span> <span class='hs-varid'>pris_line</span>
<a name="line-224"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>isJust</span> <span class='hs-varid'>size</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Optimizing hashed pristine..."</span>
<a name="line-225"></a> <span class='hs-varid'>readRecorded</span> <span class='hs-varid'>repo</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>replacePristine</span> <span class='hs-varid'>repo</span>
<a name="line-226"></a> <span class='hs-varid'>cleanRepository</span> <span class='hs-varid'>repo</span>
<a name="line-227"></a>
<a name="line-228"></a><a name="doRelink"></a><span class='hs-definition'>doRelink</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'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-229"></a><span class='hs-definition'>doRelink</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span>
<a name="line-230"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>some_siblings</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>flagsToSiblings</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-231"></a> <span class='hs-varid'>defrepolist</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getPreflist</span> <span class='hs-str'>"defaultrepo"</span>
<a name="line-232"></a> <span class='hs-varid'>siblings</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toFilePath</span> <span class='hs-varid'>some_siblings</span> <span class='hs-varop'>++</span> <span class='hs-varid'>defrepolist</span><span class='hs-layout'>)</span>
<a name="line-233"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>siblings</span>
<a name="line-234"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"No siblings -- no relinking done."</span>
<a name="line-235"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Relinking patches..."</span>
<a name="line-236"></a> <span class='hs-varid'>patch_tree</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>expand</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>readPlainTree</span> <span class='hs-str'>"_darcs/patches"</span>
<a name="line-237"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>patches</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>anchorPath</span> <span class='hs-str'>""</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>File</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>list</span> <span class='hs-varid'>patch_tree</span> <span class='hs-keyglyph'>]</span>
<a name="line-238"></a> <span class='hs-varid'>maybeRelinkFiles</span> <span class='hs-varid'>siblings</span> <span class='hs-varid'>patches</span> <span class='hs-str'>"_darcs/patches"</span>
<a name="line-239"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Done relinking."</span>
<a name="line-240"></a>
<a name="line-241"></a><a name="maybeRelinkFiles"></a><span class='hs-definition'>maybeRelinkFiles</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-242"></a><span class='hs-definition'>maybeRelinkFiles</span> <span class='hs-varid'>src</span> <span class='hs-varid'>dst</span> <span class='hs-varid'>dir</span> <span class='hs-keyglyph'>=</span>
<a name="line-243"></a> <span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-varid'>maybeRelinkFile</span> <span class='hs-varid'>src</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>dir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/"</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span><span class='hs-layout'>)</span> <span class='hs-varid'>dst</span><span class='hs-layout'>)</span>
<a name="line-244"></a>
<a name="line-245"></a><a name="maybeRelinkFile"></a><span class='hs-definition'>maybeRelinkFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-246"></a><span class='hs-definition'>maybeRelinkFile</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-247"></a><span class='hs-definition'>maybeRelinkFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>h</span><span class='hs-conop'>:</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span>
<a name="line-248"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>done</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>maybeRelink</span> <span class='hs-layout'>(</span><span class='hs-varid'>h</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-varid'>f</span>
<a name="line-249"></a> <span class='hs-varid'>unless</span> <span class='hs-varid'>done</span> <span class='hs-varop'>$</span>
<a name="line-250"></a> <span class='hs-varid'>maybeRelinkFile</span> <span class='hs-varid'>t</span> <span class='hs-varid'>f</span>
<a name="line-251"></a>
<a name="line-252"></a><span class='hs-comment'>-- FIXME: someone needs to grovel through the source and determine</span>
<a name="line-253"></a><span class='hs-comment'>-- just how optimizeInventory differs from doReorder. The following</span>
<a name="line-254"></a><span class='hs-comment'>-- is purely speculation. --twb, 2009-04</span>
<a name="line-255"></a><span class='hs-comment'>-- optimize_help_reorder :: String</span>
<a name="line-256"></a><span class='hs-comment'>-- optimize_help_reorder =</span>
<a name="line-257"></a><span class='hs-comment'>-- "The `darcs optimize --reorder' command is a more comprehensive version\n" ++</span>
<a name="line-258"></a><span class='hs-comment'>-- "of the default optimization. It reorders patches with respect to ALL\n" ++</span>
<a name="line-259"></a><span class='hs-comment'>-- "tags, rather than just the latest tag.\n"</span>
<a name="line-260"></a>
<a name="line-261"></a><a name="doReorder"></a><span class='hs-definition'>doReorder</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'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</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-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-262"></a><span class='hs-definition'>doReorder</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>repository</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-263"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Reordering the inventory."</span>
<a name="line-264"></a> <span class='hs-conid'>PatchSet</span> <span class='hs-varid'>ps</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>chooseOrder</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>repository</span>
<a name="line-265"></a><span class='hs-comment'>-- Warning: A do-notation statement discarded a result of type Repository p r u r.</span>
<a name="line-266"></a> <span class='hs-varid'>withGutsOf</span> <span class='hs-varid'>repository</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>tentativelyReplacePatches</span> <span class='hs-varid'>repository</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-varop'>$</span> <span class='hs-varid'>reverseRL</span> <span class='hs-varid'>ps</span>
<a name="line-267"></a> <span class='hs-varid'>finalizeRepositoryChanges</span> <span class='hs-varid'>repository</span>
<a name="line-268"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Done reordering the inventory."</span>
<a name="line-269"></a>
<a name="line-270"></a><a name="chooseOrder"></a><span class='hs-definition'>chooseOrder</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyword'>forall</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>PatchSet</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PatchSet</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-271"></a><span class='hs-definition'>chooseOrder</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>filter</span> <span class='hs-varid'>isTag</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapRL</span> <span class='hs-varid'>info</span> <span class='hs-varop'>$</span> <span class='hs-varid'>newset2RL</span> <span class='hs-varid'>ps</span> <span class='hs-keyword'>of</span>
<a name="line-272"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ps</span>
<a name="line-273"></a> <span class='hs-layout'>(</span><span class='hs-varid'>lt</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>splitOnTag</span> <span class='hs-varid'>lt</span> <span class='hs-varid'>ps</span> <span class='hs-keyword'>of</span>
<a name="line-274"></a> <span class='hs-conid'>PatchSet</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>ts</span> <span class='hs-conop'>:></span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PatchSet</span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span><span class='hs-varop'>+<+</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>ts</span>
<a name="line-275"></a>
<a name="line-276"></a><a name="optimizeUpgradeFormat"></a><span class='hs-definition'>optimizeUpgradeFormat</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-277"></a><span class='hs-definition'>optimizeUpgradeFormat</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-278"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Upgrading to hashed..."</span>
<a name="line-279"></a> <span class='hs-varid'>rf</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>identifyRepoFormat</span> <span class='hs-str'>"."</span>
<a name="line-280"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Found our format"</span>
<a name="line-281"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>formatHas</span> <span class='hs-conid'>HashedInventory</span> <span class='hs-varid'>rf</span>
<a name="line-282"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"No action taken because this repository already is hashed."</span>
<a name="line-283"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Checking repository in case of corruption..."</span>
<a name="line-284"></a> <span class='hs-varid'>withRepoLock</span> <span class='hs-conid'>[]</span> <span class='hs-varop'>$</span> <span class='hs-conid'>RepoJob</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>repository</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-285"></a> <span class='hs-varid'>actuallyUpgradeFormat</span> <span class='hs-varid'>repository</span>
<a name="line-286"></a>
<a name="line-287"></a><a name="actuallyUpgradeFormat"></a><span class='hs-definition'>actuallyUpgradeFormat</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'>=></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'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-288"></a><span class='hs-definition'>actuallyUpgradeFormat</span> <span class='hs-varid'>repository</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-289"></a> <span class='hs-comment'>-- convert patches/inventory</span>
<a name="line-290"></a> <span class='hs-varid'>patches</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>repository</span>
<a name="line-291"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Hashing patch"</span>
<a name="line-292"></a> <span class='hs-varid'>beginTedious</span> <span class='hs-varid'>k</span>
<a name="line-293"></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-294"></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-295"></a> <span class='hs-varid'>cache</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getCaches</span> <span class='hs-conid'>[]</span> <span class='hs-str'>"."</span>
<a name="line-296"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>compr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>compression</span> <span class='hs-conid'>[]</span> <span class='hs-comment'>-- default compression</span>
<a name="line-297"></a> <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>writeTentativeInventory</span> <span class='hs-varid'>cache</span> <span class='hs-varid'>compr</span> <span class='hs-varid'>patches'</span>
<a name="line-298"></a> <span class='hs-varid'>endTedious</span> <span class='hs-varid'>k</span>
<a name="line-299"></a> <span class='hs-comment'>-- convert pristine by applying patches</span>
<a name="line-300"></a> <span class='hs-comment'>-- the faster alternative would be to copy pristine, but the apply method is more reliable</span>
<a name="line-301"></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'>$</span> <span class='hs-varid'>newset2FL</span> <span class='hs-varop'>$</span> <span class='hs-varid'>patches'</span>
<a name="line-302"></a> <span class='hs-varid'>createDirectoryIfMissing</span> <span class='hs-conid'>False</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-varid'>hashedDir</span> <span class='hs-conid'>HashedPristineDir</span>
<a name="line-303"></a><span class='hs-comment'>-- Warning: A do-notation statement discarded a result of type Storage.Hashed.Hash.Hash.</span>
<a name="line-304"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>writeDarcsHashed</span> <span class='hs-varid'>emptyTree</span> <span class='hs-str'>"_darcs/pristine.hashed"</span>
<a name="line-305"></a> <span class='hs-varid'>sequence_</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapFL</span> <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>applyToTentativePristine</span> <span class='hs-varop'>$</span> <span class='hs-varid'>bunchFL</span> <span class='hs-num'>100</span> <span class='hs-varid'>patchesToApply</span>
<a name="line-306"></a> <span class='hs-comment'>-- now make it official</span>
<a name="line-307"></a> <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>finalizeTentativeChanges</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>compr</span>
<a name="line-308"></a> <span class='hs-varid'>writeRepoFormat</span> <span class='hs-layout'>(</span><span class='hs-varid'>createRepoFormat</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>UseHashedInventory</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"format"</span><span class='hs-layout'>)</span>
<a name="line-309"></a> <span class='hs-comment'>-- clean out old-fashioned junk</span>
<a name="line-310"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Cleaning out old-fashioned repository files..."</span>
<a name="line-311"></a> <span class='hs-varid'>removeFile</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"inventory"</span>
<a name="line-312"></a> <span class='hs-varid'>removeFile</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"tentative_inventory"</span>
<a name="line-313"></a> <span class='hs-varid'>rmRecursive</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"pristine"</span><span class='hs-layout'>)</span> <span class='hs-varop'>`catchall`</span> <span class='hs-varid'>rmRecursive</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"current"</span><span class='hs-layout'>)</span>
<a name="line-314"></a> <span class='hs-varid'>rmGzsIn</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"patches"</span><span class='hs-layout'>)</span>
<a name="line-315"></a> <span class='hs-varid'>rmGzsIn</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"inventories"</span><span class='hs-layout'>)</span>
<a name="line-316"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>checkpointDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"checkpoints"</span>
<a name="line-317"></a> <span class='hs-varid'>hasCheckPoints</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>checkpointDir</span>
<a name="line-318"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>hasCheckPoints</span> <span class='hs-varop'>$</span> <span class='hs-varid'>rmRecursive</span> <span class='hs-varid'>checkpointDir</span>
<a name="line-319"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Done upgrading!"</span>
<a name="line-320"></a> <span class='hs-keyword'>where</span>
<a name="line-321"></a> <span class='hs-varid'>rmGzsIn</span> <span class='hs-varid'>dir</span> <span class='hs-keyglyph'>=</span>
<a name="line-322"></a> <span class='hs-varid'>withCurrentDirectory</span> <span class='hs-varid'>dir</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-323"></a> <span class='hs-varid'>gzs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-str'>".gz"</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>takeExtension</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>getDirectoryContents</span> <span class='hs-str'>"."</span>
<a name="line-324"></a> <span class='hs-varid'>mapM_</span> <span class='hs-varid'>removeFile</span> <span class='hs-varid'>gzs</span>
<a name="line-325"></a>
<a name="line-326"></a><a name="doOptimizeHTTP"></a><span class='hs-definition'>doOptimizeHTTP</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'>=></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'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-327"></a><span class='hs-definition'>doOptimizeHTTP</span> <span class='hs-varid'>repo</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flip</span> <span class='hs-varid'>finally</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-varid'>removeFileIfExists</span><span class='hs-layout'>)</span>
<a name="line-328"></a> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"meta-filelist-inventories"</span>
<a name="line-329"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"meta-filelist-pristine"</span>
<a name="line-330"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>basicTar</span> <span class='hs-varop'><.></span> <span class='hs-str'>"part"</span>
<a name="line-331"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>patchesTar</span> <span class='hs-varop'><.></span> <span class='hs-str'>"part"</span>
<a name="line-332"></a> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-333"></a> <span class='hs-varid'>rf</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>identifyRepoFormat</span> <span class='hs-str'>"."</span>
<a name="line-334"></a> <span class='hs-varid'>unless</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'>$</span> <span class='hs-varid'>fail</span> <span class='hs-varid'>oldRepoFailMsg</span>
<a name="line-335"></a> <span class='hs-varid'>createDirectoryIfMissing</span> <span class='hs-conid'>False</span> <span class='hs-varid'>packsDir</span>
<a name="line-336"></a> <span class='hs-comment'>-- pack patchesTar</span>
<a name="line-337"></a> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapRL</span> <span class='hs-varid'>hashedPatchFileName</span> <span class='hs-varop'>.</span> <span class='hs-varid'>newset2RL</span> <span class='hs-varop'><$></span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>repo</span>
<a name="line-338"></a> <span class='hs-varid'>is</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"inventories"</span><span class='hs-layout'>)</span> <span class='hs-varop'></></span><span class='hs-layout'>)</span> <span class='hs-varop'><$></span> <span class='hs-conid'>HashedRepo</span><span class='hs-varop'>.</span><span class='hs-varid'>listInventories</span>
<a name="line-339"></a> <span class='hs-varid'>writeFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"meta-filelist-inventories"</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>$</span>
<a name="line-340"></a> <span class='hs-varid'>map</span> <span class='hs-varid'>takeFileName</span> <span class='hs-varid'>is</span>
<a name="line-341"></a> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>writeFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>patchesTar</span> <span class='hs-varop'><.></span> <span class='hs-str'>"part"</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>compress</span> <span class='hs-varop'>.</span> <span class='hs-varid'>write</span> <span class='hs-varop'>=<<</span>
<a name="line-342"></a> <span class='hs-varid'>mapM</span> <span class='hs-varid'>fileEntry'</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"meta-filelist-inventories"</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>ps</span> <span class='hs-varop'>++</span>
<a name="line-343"></a> <span class='hs-varid'>reverse</span> <span class='hs-varid'>is</span><span class='hs-layout'>)</span>
<a name="line-344"></a> <span class='hs-varid'>renameFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>patchesTar</span> <span class='hs-varop'><.></span> <span class='hs-str'>"part"</span><span class='hs-layout'>)</span> <span class='hs-varid'>patchesTar</span>
<a name="line-345"></a> <span class='hs-comment'>-- pack basicTar</span>
<a name="line-346"></a> <span class='hs-varid'>pr</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>sortByMTime</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>dirContents</span> <span class='hs-str'>"pristine.hashed"</span>
<a name="line-347"></a> <span class='hs-varid'>writeFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"meta-filelist-pristine"</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>$</span>
<a name="line-348"></a> <span class='hs-varid'>map</span> <span class='hs-varid'>takeFileName</span> <span class='hs-varid'>pr</span>
<a name="line-349"></a> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>writeFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>basicTar</span> <span class='hs-varop'><.></span> <span class='hs-str'>"part"</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>compress</span> <span class='hs-varop'>.</span> <span class='hs-varid'>write</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>fileEntry'</span> <span class='hs-layout'>(</span>
<a name="line-350"></a> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"meta-filelist-pristine"</span>
<a name="line-351"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"hashed_inventory"</span>
<a name="line-352"></a> <span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>pr</span><span class='hs-layout'>)</span>
<a name="line-353"></a> <span class='hs-varid'>renameFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>basicTar</span> <span class='hs-varop'><.></span> <span class='hs-str'>"part"</span><span class='hs-layout'>)</span> <span class='hs-varid'>basicTar</span>
<a name="line-354"></a> <span class='hs-keyword'>where</span>
<a name="line-355"></a> <span class='hs-varid'>packsDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"packs"</span>
<a name="line-356"></a> <span class='hs-varid'>basicTar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>packsDir</span> <span class='hs-varop'></></span> <span class='hs-str'>"basic.tar.gz"</span>
<a name="line-357"></a> <span class='hs-varid'>patchesTar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>packsDir</span> <span class='hs-varop'></></span> <span class='hs-str'>"patches.tar.gz"</span>
<a name="line-358"></a> <span class='hs-varid'>fileEntry'</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeInterleaveIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-359"></a> <span class='hs-varid'>content</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varop'>.</span> <span class='hs-varid'>return</span> <span class='hs-varop'><$></span> <span class='hs-varid'>gzReadFilePS</span> <span class='hs-varid'>x</span>
<a name="line-360"></a> <span class='hs-varid'>tp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>either</span> <span class='hs-varid'>fail</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>toTarPath</span> <span class='hs-conid'>False</span> <span class='hs-varid'>x</span>
<a name="line-361"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fileEntry</span> <span class='hs-varid'>tp</span> <span class='hs-varid'>content</span>
<a name="line-362"></a> <span class='hs-varid'>dirContents</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dirContents'</span> <span class='hs-varid'>d</span> <span class='hs-varop'>$</span> <span class='hs-varid'>const</span> <span class='hs-conid'>True</span>
<a name="line-363"></a> <span class='hs-varid'>dirContents'</span> <span class='hs-varid'>d</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-varop'></></span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <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'>-></span>
<a name="line-364"></a> <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-varop'>&&</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>getDirectoryContents</span> <span class='hs-layout'>(</span><span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-365"></a> <span class='hs-varid'>hashedPatchFileName</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>extractHash</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-366"></a> <span class='hs-conid'>Left</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-str'>"unexpected unhashed patch"</span>
<a name="line-367"></a> <span class='hs-conid'>Right</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"patches"</span> <span class='hs-varop'></></span> <span class='hs-varid'>h</span>
<a name="line-368"></a> <span class='hs-varid'>sortByMTime</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-varop'>.</span> <span class='hs-varid'>sort</span> <span class='hs-varop'><$></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'>-></span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'><$></span>
<a name="line-369"></a> <span class='hs-varid'>getModificationTime</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-370"></a> <span class='hs-varid'>removeFileIfExists</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-371"></a> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>x</span>
<a name="line-372"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>ex</span> <span class='hs-varop'>$</span> <span class='hs-varid'>removeFile</span> <span class='hs-varid'>x</span>
</pre></body>
</html>
