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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2002-2005,2007 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, MagicHash #-}</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-21"></a>
<a name="line-22"></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'>Convert</span> <span class='hs-layout'>(</span> <span class='hs-varid'>convert</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-23"></a>
<a name="line-24"></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'>setCurrentDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>doesDirectoryExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>doesFileExist</span><span class='hs-layout'>,</span>
<a name="line-25"></a> <span class='hs-varid'>createDirectory</span> <span class='hs-layout'>)</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Workaround</span> <span class='hs-layout'>(</span> <span class='hs-varid'>getCurrentDirectory</span> <span class='hs-layout'>)</span>
<a name="line-27"></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>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span> <span class='hs-layout'>(</span> <span class='hs-varid'>unsafeCoerce</span><span class='hs-cpp'>#</span> <span class='hs-layout'>)</span>
<a name="line-29"></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>
<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-keyword'>as</span> <span class='hs-conid'>B</span>
<a name="line-31"></a>
<a name="line-32"></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'>n2pia</span><span class='hs-layout'>,</span> <span class='hs-varid'>info</span><span class='hs-layout'>,</span> <span class='hs-varid'>hopefully</span> <span class='hs-layout'>)</span>
<a name="line-33"></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> <span class='hs-varid'>putInfo</span> <span class='hs-layout'>)</span>
<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'>Arguments</span>
<a name="line-35"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsFlag</span>
<a name="line-36"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>AllowConflicts</span><span class='hs-layout'>,</span> <span class='hs-conid'>NewRepo</span><span class='hs-layout'>,</span> <span class='hs-conid'>SetScriptsExecutable</span><span class='hs-layout'>,</span> <span class='hs-conid'>UseFormat2</span>
<a name="line-37"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>NoUpdateWorking</span>
<a name="line-38"></a> <span class='hs-layout'>)</span>
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>reponame</span>
<a name="line-40"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>setScriptsExecutableOption</span>
<a name="line-41"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>networkOptions</span>
<a name="line-42"></a> <span class='hs-layout'>)</span>
<a name="line-43"></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> <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'>withRepositoryDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>readRepo</span><span class='hs-layout'>,</span>
<a name="line-44"></a> <span class='hs-varid'>createRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>invalidateIndex</span><span class='hs-layout'>,</span>
<a name="line-45"></a> <span class='hs-varid'>optimizeInventory</span><span class='hs-layout'>,</span>
<a name="line-46"></a> <span class='hs-varid'>tentativelyMergePatches</span><span class='hs-layout'>,</span> <span class='hs-varid'>patchSetToPatches</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-varid'>createPristineDirectoryTree</span><span class='hs-layout'>,</span>
<a name="line-48"></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-49"></a> <span class='hs-varid'>applyToWorking</span><span class='hs-layout'>,</span> <span class='hs-varid'>setScriptsExecutable</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'>Global</span> <span class='hs-layout'>(</span> <span class='hs-varid'>darcsdir</span> <span class='hs-layout'>)</span>
<a name="line-51"></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'>Named</span><span class='hs-layout'>,</span> <span class='hs-varid'>showPatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>patch2patchinfo</span><span class='hs-layout'>,</span> <span class='hs-varid'>fromPrim</span><span class='hs-layout'>,</span> <span class='hs-varid'>fromPrims</span><span class='hs-layout'>,</span>
<a name="line-52"></a> <span class='hs-varid'>infopatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>adddeps</span><span class='hs-layout'>,</span> <span class='hs-varid'>getdeps</span><span class='hs-layout'>,</span> <span class='hs-varid'>effect</span><span class='hs-layout'>,</span> <span class='hs-varid'>patchcontents</span> <span class='hs-layout'>)</span>
<a name="line-53"></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'>Eq</span> <span class='hs-layout'>(</span> <span class='hs-conid'>EqCheck</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</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>
<a name="line-54"></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'>mapFL_FL</span><span class='hs-layout'>,</span>
<a name="line-55"></a> <span class='hs-varid'>concatFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapRL</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'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Info</span> <span class='hs-layout'>(</span> <span class='hs-varid'>piRename</span><span class='hs-layout'>,</span> <span class='hs-varid'>piTag</span><span class='hs-layout'>,</span> <span class='hs-varid'>isTag</span><span class='hs-layout'>,</span> <span class='hs-conid'>PatchInfo</span> <span class='hs-layout'>)</span>
<a name="line-57"></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'>V1</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Patch</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'>V2</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RealPatch</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-varop'>.</span><span class='hs-conid'>V1</span><span class='hs-varop'>.</span><span class='hs-conid'>Commute</span> <span class='hs-layout'>(</span> <span class='hs-varid'>publicUnravel</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'>V1</span><span class='hs-varop'>.</span><span class='hs-conid'>Core</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Patch</span><span class='hs-layout'>(</span><span class='hs-conid'>PP</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>isMerger</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'>V2</span><span class='hs-varop'>.</span><span class='hs-conid'>Real</span> <span class='hs-layout'>(</span> <span class='hs-varid'>mergeUnravelled</span> <span class='hs-layout'>)</span>
<a name="line-62"></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'>Prim</span><span class='hs-varop'>.</span><span class='hs-conid'>V1</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Prim</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'>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'>Tagged</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>
<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'>RepoPath</span> <span class='hs-layout'>(</span> <span class='hs-varid'>ioAbsoluteOrRemote</span><span class='hs-layout'>,</span> <span class='hs-varid'>toPath</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'>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> <span class='hs-varid'>formatHas</span><span class='hs-layout'>,</span> <span class='hs-conid'>RepoProperty</span><span class='hs-layout'>(</span><span class='hs-conid'>Darcs2</span><span class='hs-layout'>)</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'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Motd</span> <span class='hs-layout'>(</span> <span class='hs-varid'>showMotd</span> <span class='hs-layout'>)</span>
<a name="line-67"></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'>clarifyErrors</span><span class='hs-layout'>,</span> <span class='hs-varid'>askUser</span><span class='hs-layout'>,</span> <span class='hs-varid'>catchall</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'>ProgressPatches</span> <span class='hs-layout'>(</span> <span class='hs-varid'>progressFL</span> <span class='hs-layout'>)</span>
<a name="line-69"></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'>FlippedSeal</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'>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-70"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Printer</span> <span class='hs-layout'>(</span> <span class='hs-varid'>text</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-71"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>ColorPrinter</span> <span class='hs-layout'>(</span> <span class='hs-varid'>traceDoc</span> <span class='hs-layout'>)</span>
<a name="line-72"></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>
<a name="line-73"></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'>fetchFilePS</span><span class='hs-layout'>,</span> <span class='hs-conid'>Cachable</span><span class='hs-layout'>(</span><span class='hs-conid'>Uncachable</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-74"></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>
<a name="line-75"></a>
<a name="line-76"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-77"></a><span class='hs-cpp'>#include "impossible.h"</span>
<a name="line-78"></a>
<a name="line-79"></a><a name="convertDescription"></a><span class='hs-definition'>convertDescription</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-80"></a><span class='hs-definition'>convertDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Convert a repository from a legacy format."</span>
<a name="line-81"></a>
<a name="line-82"></a><a name="convertHelp"></a><span class='hs-definition'>convertHelp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-83"></a><span class='hs-definition'>convertHelp</span> <span class='hs-keyglyph'>=</span>
<a name="line-84"></a> <span class='hs-str'>"The current repository format is called `darcs-2'. It was introduced\n"</span> <span class='hs-varop'>++</span>
<a name="line-85"></a> <span class='hs-str'>"in Darcs 2.0 and became the default for new projects in Darcs 2.2.\n"</span> <span class='hs-varop'>++</span>
<a name="line-86"></a> <span class='hs-str'>"The `darcs convert' command allows existing projects to migrate to\n"</span> <span class='hs-varop'>++</span>
<a name="line-87"></a> <span class='hs-str'>"this format from the older `darcs-1' format.\n"</span> <span class='hs-varop'>++</span>
<a name="line-88"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-89"></a> <span class='hs-str'>"This command DOES NOT modify the source repository; a new destination\n"</span> <span class='hs-varop'>++</span>
<a name="line-90"></a> <span class='hs-str'>"repository is created. It is safe to run this command more than once\n"</span> <span class='hs-varop'>++</span>
<a name="line-91"></a> <span class='hs-str'>"on a repository (e.g. for testing), before the final conversion.\n"</span> <span class='hs-varop'>++</span>
<a name="line-92"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-93"></a> <span class='hs-varid'>convertHelp'</span> <span class='hs-varop'>++</span>
<a name="line-94"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-95"></a> <span class='hs-str'>"Due to this limitation, migrating a multi-branch project is a little\n"</span> <span class='hs-varop'>++</span>
<a name="line-96"></a> <span class='hs-str'>"awkward. Sorry! Here is the recommended process:\n"</span> <span class='hs-varop'>++</span>
<a name="line-97"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-98"></a> <span class='hs-str'>" 1. for each branch `foo', tag that branch with `foo-final';\n"</span> <span class='hs-varop'>++</span>
<a name="line-99"></a> <span class='hs-str'>" 2. merge all branches together (--allow-conflicts may help);\n"</span> <span class='hs-varop'>++</span>
<a name="line-100"></a> <span class='hs-str'>" 3. run `darcs optimize --reorder' on the result;\n"</span> <span class='hs-varop'>++</span>
<a name="line-101"></a> <span class='hs-str'>" 4. run `darcs convert' to create a merged darcs-2 repository;\n"</span> <span class='hs-varop'>++</span>
<a name="line-102"></a> <span class='hs-str'>" 5. re-create each branch by calling `darcs get --tag foo-final' on\n"</span> <span class='hs-varop'>++</span>
<a name="line-103"></a> <span class='hs-str'>" the darcs-2 repository; and finally\n"</span> <span class='hs-varop'>++</span>
<a name="line-104"></a> <span class='hs-str'>" 6. use `darcs obliterate' to delete the foo-final tags.\n"</span>
<a name="line-105"></a>
<a name="line-106"></a><a name="convertHelp'"></a><span class='hs-comment'>-- | This part of the help is split out because it is used twice: in</span>
<a name="line-107"></a><span class='hs-comment'>-- the help string, and in the prompt for confirmation.</span>
<a name="line-108"></a><span class='hs-definition'>convertHelp'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-109"></a><span class='hs-definition'>convertHelp'</span> <span class='hs-keyglyph'>=</span>
<a name="line-110"></a> <span class='hs-str'>"WARNING: the repository produced by this command is not understood by\n"</span> <span class='hs-varop'>++</span>
<a name="line-111"></a> <span class='hs-str'>"Darcs 1.x, and patches cannot be exchanged between repositories in\n"</span> <span class='hs-varop'>++</span>
<a name="line-112"></a> <span class='hs-str'>"darcs-1 and darcs-2 formats.\n"</span> <span class='hs-varop'>++</span>
<a name="line-113"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-114"></a> <span class='hs-str'>"Furthermore, darcs 2 repositories created by different invocations of\n"</span> <span class='hs-varop'>++</span>
<a name="line-115"></a> <span class='hs-str'>"this command SHOULD NOT exchange patches, unless those repositories\n"</span> <span class='hs-varop'>++</span>
<a name="line-116"></a> <span class='hs-str'>"had no patches in common when they were converted. (That is, within a\n"</span> <span class='hs-varop'>++</span>
<a name="line-117"></a> <span class='hs-str'>"set of repos that exchange patches, no patch should be converted more\n"</span> <span class='hs-varop'>++</span>
<a name="line-118"></a> <span class='hs-str'>"than once.)\n"</span>
<a name="line-119"></a>
<a name="line-120"></a><a name="convert"></a><span class='hs-definition'>convert</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-121"></a><span class='hs-definition'>convert</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-122"></a> <span class='hs-varid'>commandName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"convert"</span><span class='hs-layout'>,</span>
<a name="line-123"></a> <span class='hs-varid'>commandHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>convertHelp</span><span class='hs-layout'>,</span>
<a name="line-124"></a> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>convertDescription</span><span class='hs-layout'>,</span>
<a name="line-125"></a> <span class='hs-varid'>commandExtraArgs</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>,</span>
<a name="line-126"></a> <span class='hs-varid'>commandExtraArgHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"<SOURCE>"</span><span class='hs-layout'>,</span> <span class='hs-str'>"[<DESTINATION>]"</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span>
<a name="line-127"></a> <span class='hs-varid'>commandCommand</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>convertCmd</span><span class='hs-layout'>,</span>
<a name="line-128"></a> <span class='hs-varid'>commandPrereq</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-conid'>()</span><span class='hs-layout'>,</span>
<a name="line-129"></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-130"></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-131"></a> <span class='hs-varid'>commandAdvancedOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>networkOptions</span><span class='hs-layout'>,</span>
<a name="line-132"></a> <span class='hs-varid'>commandBasicOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>reponame</span><span class='hs-layout'>,</span><span class='hs-varid'>setScriptsExecutableOption</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>}</span>
<a name="line-133"></a>
<a name="line-134"></a><a name="convertCmd"></a><span class='hs-definition'>convertCmd</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-135"></a><span class='hs-definition'>convertCmd</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>inrepodir</span><span class='hs-layout'>,</span> <span class='hs-varid'>outname</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>convertCmd</span> <span class='hs-layout'>(</span><span class='hs-conid'>NewRepo</span> <span class='hs-varid'>outname</span><span class='hs-conop'>:</span><span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>inrepodir</span><span class='hs-keyglyph'>]</span>
<a name="line-136"></a><span class='hs-definition'>convertCmd</span> <span class='hs-varid'>orig_opts</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>inrepodir</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-137"></a>
<a name="line-138"></a> <span class='hs-varid'>typed_repodir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ioAbsoluteOrRemote</span> <span class='hs-varid'>inrepodir</span>
<a name="line-139"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>repodir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toPath</span> <span class='hs-varid'>typed_repodir</span>
<a name="line-140"></a>
<a name="line-141"></a> <span class='hs-comment'>--test for converting darcs-2 repository</span>
<a name="line-142"></a> <span class='hs-varid'>format</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>identifyRepoFormat</span> <span class='hs-varid'>repodir</span>
<a name="line-143"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>formatHas</span> <span class='hs-conid'>Darcs2</span> <span class='hs-varid'>format</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Repository is already in darcs 2 format."</span>
<a name="line-144"></a>
<a name="line-145"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-varid'>convertHelp'</span>
<a name="line-146"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>vow</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"I understand the consequences of my action"</span>
<a name="line-147"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Please confirm that you have read and understood the above"</span>
<a name="line-148"></a> <span class='hs-varid'>vow'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>askUser</span> <span class='hs-layout'>(</span><span class='hs-str'>"by typing `"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>vow</span> <span class='hs-varop'>++</span> <span class='hs-str'>"': "</span><span class='hs-layout'>)</span>
<a name="line-149"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>vow'</span> <span class='hs-varop'>/=</span> <span class='hs-varid'>vow</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"User didn't understand the consequences."</span>
<a name="line-150"></a>
<a name="line-151"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UseFormat2</span><span class='hs-conop'>:</span><span class='hs-varid'>orig_opts</span>
<a name="line-152"></a> <span class='hs-varid'>showMotd</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>repodir</span>
<a name="line-153"></a> <span class='hs-varid'>mysimplename</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>makeRepoName</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>repodir</span>
<a name="line-154"></a> <span class='hs-varid'>createDirectory</span> <span class='hs-varid'>mysimplename</span>
<a name="line-155"></a> <span class='hs-varid'>setCurrentDirectory</span> <span class='hs-varid'>mysimplename</span>
<a name="line-156"></a> <span class='hs-varid'>createRepository</span> <span class='hs-varid'>opts</span>
<a name="line-157"></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-158"></a> <span class='hs-varid'>withRepoLock</span> <span class='hs-layout'>(</span><span class='hs-conid'>NoUpdateWorking</span><span class='hs-conop'>:</span><span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-conid'>V2Job</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>repository</span> <span class='hs-keyglyph'>-></span>
<a name="line-159"></a> <span class='hs-varid'>withRepositoryDirectory</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>repodir</span> <span class='hs-varop'>$</span> <span class='hs-conid'>V1Job</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>themrepo</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-160"></a> <span class='hs-varid'>theirstuff</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>themrepo</span>
<a name="line-161"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>patches</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapFL_FL</span> <span class='hs-varid'>convertNamed</span> <span class='hs-varop'>$</span> <span class='hs-varid'>patchSetToPatches</span> <span class='hs-varid'>theirstuff</span>
<a name="line-162"></a> <span class='hs-varid'>inOrderTags</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iot</span> <span class='hs-varid'>theirstuff</span>
<a name="line-163"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>iot</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-keyglyph'>[</span><span class='hs-conid'>PatchInfo</span><span class='hs-keyglyph'>]</span>
<a name="line-164"></a> <span class='hs-varid'>iot</span> <span class='hs-layout'>(</span><span class='hs-conid'>PatchSet</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ts</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iot_</span> <span class='hs-varid'>ts</span>
<a name="line-165"></a> <span class='hs-varid'>iot_</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RL</span><span class='hs-layout'>(</span><span class='hs-conid'>Tagged</span> <span class='hs-varid'>t1</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>PatchInfo</span><span class='hs-keyglyph'>]</span>
<a name="line-166"></a> <span class='hs-varid'>iot_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Tagged</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-conop'>:<:</span> <span class='hs-varid'>ts</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>info</span> <span class='hs-varid'>t</span> <span class='hs-conop'>:</span> <span class='hs-varid'>iot_</span> <span class='hs-varid'>ts</span>
<a name="line-167"></a> <span class='hs-varid'>iot_</span> <span class='hs-conid'>NilRL</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-168"></a> <span class='hs-varid'>outOfOrderTags</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-varid'>oot</span> <span class='hs-varop'>$</span> <span class='hs-varid'>newset2RL</span> <span class='hs-varid'>theirstuff</span>
<a name="line-169"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>oot</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>info</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>info</span> <span class='hs-varid'>t</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>inOrderTags</span><span class='hs-layout'>)</span>
<a name="line-170"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>info</span> <span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>getdeps</span> <span class='hs-varop'>$</span> <span class='hs-varid'>hopefully</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-171"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>Nothing</span>
<a name="line-172"></a> <span class='hs-varid'>fixDep</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>p</span> <span class='hs-varid'>outOfOrderTags</span> <span class='hs-keyword'>of</span>
<a name="line-173"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-conop'>:</span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>fixDep</span> <span class='hs-varid'>d</span>
<a name="line-174"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>p</span><span class='hs-keyglyph'>]</span>
<a name="line-175"></a> <span class='hs-varid'>convertOne</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Patch</span> <span class='hs-conid'>Prim</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'>-></span> <span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>RealPatch</span> <span class='hs-conid'>Prim</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>
<a name="line-176"></a> <span class='hs-varid'>convertOne</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isMerger</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>mergeUnravelled</span> <span class='hs-varop'>$</span> <span class='hs-varid'>publicUnravel</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-177"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>FlippedSeal</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-178"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>effect</span> <span class='hs-varid'>y</span> <span class='hs-varop'>=/\=</span> <span class='hs-varid'>effect</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-179"></a> <span class='hs-conid'>IsEq</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>y</span> <span class='hs-conop'>:>:</span> <span class='hs-conid'>NilFL</span>
<a name="line-180"></a> <span class='hs-conid'>NotEq</span> <span class='hs-keyglyph'>-></span>
<a name="line-181"></a> <span class='hs-varid'>traceDoc</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>"lossy conversion:"</span> <span class='hs-varop'>$$</span>
<a name="line-182"></a> <span class='hs-varid'>showPatch</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-183"></a> <span class='hs-varid'>fromPrims</span> <span class='hs-layout'>(</span><span class='hs-varid'>effect</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-184"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>traceDoc</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span>
<a name="line-185"></a> <span class='hs-str'>"lossy conversion of complicated conflict:"</span> <span class='hs-varop'>$$</span>
<a name="line-186"></a> <span class='hs-varid'>showPatch</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-187"></a> <span class='hs-varid'>fromPrims</span> <span class='hs-layout'>(</span><span class='hs-varid'>effect</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-188"></a> <span class='hs-varid'>convertOne</span> <span class='hs-layout'>(</span><span class='hs-conid'>PP</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromPrim</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:>:</span> <span class='hs-conid'>NilFL</span>
<a name="line-189"></a> <span class='hs-varid'>convertOne</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>impossible</span>
<a name="line-190"></a> <span class='hs-varid'>convertFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>Patch</span> <span class='hs-conid'>Prim</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'>-></span> <span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>RealPatch</span> <span class='hs-conid'>Prim</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>
<a name="line-191"></a> <span class='hs-varid'>convertFL</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatFL</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mapFL_FL</span> <span class='hs-varid'>convertOne</span>
<a name="line-192"></a> <span class='hs-varid'>convertNamed</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Named</span> <span class='hs-layout'>(</span><span class='hs-conid'>Patch</span> <span class='hs-conid'>Prim</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'>-></span> <span class='hs-conid'>PatchInfoAnd</span> <span class='hs-layout'>(</span><span class='hs-conid'>RealPatch</span> <span class='hs-conid'>Prim</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>
<a name="line-193"></a> <span class='hs-varid'>convertNamed</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n2pia</span> <span class='hs-varop'>$</span>
<a name="line-194"></a> <span class='hs-varid'>adddeps</span> <span class='hs-layout'>(</span><span class='hs-varid'>infopatch</span> <span class='hs-layout'>(</span><span class='hs-varid'>convertInfo</span> <span class='hs-varop'>$</span> <span class='hs-varid'>patch2patchinfo</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-195"></a> <span class='hs-varid'>convertFL</span> <span class='hs-varop'>$</span> <span class='hs-varid'>patchcontents</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-196"></a> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>convertInfo</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>fixDep</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getdeps</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-197"></a> <span class='hs-varid'>convertInfo</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>n</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>inOrderTags</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span>
<a name="line-198"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybe</span> <span class='hs-varid'>n</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-varid'>piRename</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-str'>"old tag: "</span><span class='hs-varop'>++</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>piTag</span> <span class='hs-varid'>n</span>
<a name="line-199"></a> <span class='hs-varid'>applySome</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-comment'>-- TODO this unsafeCoerce hack is because we don't keep track of the repository state properly</span>
<a name="line-200"></a> <span class='hs-comment'>-- Really sequence_ $ mapFL applySome below should instead be a repeated add operation -</span>
<a name="line-201"></a> <span class='hs-comment'>-- there doesn't seem to be any reason we need to do a merge here.</span>
<a name="line-202"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>repository2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeCoerce</span><span class='hs-cpp'>#</span> <span class='hs-varid'>repository</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Repository</span> <span class='hs-layout'>(</span><span class='hs-conid'>RealPatch</span> <span class='hs-conid'>Prim</span><span class='hs-layout'>)</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-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-203"></a> <span class='hs-conid'>Sealed</span> <span class='hs-varid'>pw</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>tentativelyMergePatches</span> <span class='hs-varid'>repository2</span> <span class='hs-str'>"convert"</span> <span class='hs-layout'>(</span><span class='hs-conid'>AllowConflicts</span><span class='hs-conop'>:</span><span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-conid'>NilFL</span> <span class='hs-varid'>xs</span>
<a name="line-204"></a> <span class='hs-varid'>finalizeRepositoryChanges</span> <span class='hs-varid'>repository2</span> <span class='hs-comment'>-- this is to clean out pristine.hashed</span>
<a name="line-205"></a> <span class='hs-varid'>revertRepositoryChanges</span> <span class='hs-varid'>repository2</span>
<a name="line-206"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>revertable</span> <span class='hs-varop'>$</span> <span class='hs-varid'>applyToWorking</span> <span class='hs-varid'>repository2</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>pw</span>
<a name="line-207"></a> <span class='hs-varid'>invalidateIndex</span> <span class='hs-varid'>repository2</span>
<a name="line-208"></a> <span class='hs-varid'>sequence_</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapFL</span> <span class='hs-varid'>applySome</span> <span class='hs-varop'>$</span> <span class='hs-varid'>bunchFL</span> <span class='hs-num'>100</span> <span class='hs-varop'>$</span> <span class='hs-varid'>progressFL</span> <span class='hs-str'>"Converting patch"</span> <span class='hs-varid'>patches</span>
<a name="line-209"></a> <span class='hs-varid'>invalidateIndex</span> <span class='hs-varid'>repository</span>
<a name="line-210"></a> <span class='hs-varid'>revertable</span> <span class='hs-varop'>$</span> <span class='hs-varid'>createPristineDirectoryTree</span> <span class='hs-varid'>repository</span> <span class='hs-str'>"."</span>
<a name="line-211"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>SetScriptsExecutable</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>setScriptsExecutable</span>
<a name="line-212"></a>
<a name="line-213"></a> <span class='hs-comment'>-- Copy over the prefs file</span>
<a name="line-214"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>prefsRelPath</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'></></span> <span class='hs-str'>"prefs"</span> <span class='hs-varop'></></span> <span class='hs-str'>"prefs"</span>
<a name="line-215"></a> <span class='hs-layout'>(</span><span class='hs-varid'>fetchFilePS</span> <span class='hs-layout'>(</span><span class='hs-varid'>repodir</span> <span class='hs-varop'></></span> <span class='hs-varid'>prefsRelPath</span><span class='hs-layout'>)</span> <span class='hs-conid'>Uncachable</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>writeFile</span> <span class='hs-varid'>prefsRelPath</span><span class='hs-layout'>)</span>
<a name="line-216"></a> <span class='hs-varop'>`catchall`</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-217"></a>
<a name="line-218"></a> <span class='hs-varid'>optimizeInventory</span> <span class='hs-varid'>repository</span>
<a name="line-219"></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'>"Finished converting."</span>
<a name="line-220"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>revertable</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`clarifyErrors`</span> <span class='hs-varid'>unlines</span>
<a name="line-221"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"An error may have left your new working directory an inconsistent"</span><span class='hs-layout'>,</span>
<a name="line-222"></a> <span class='hs-str'>"but recoverable state. You should be able to make the new"</span><span class='hs-layout'>,</span>
<a name="line-223"></a> <span class='hs-str'>"repository consistent again by running darcs revert -a."</span><span class='hs-keyglyph'>]</span>
<a name="line-224"></a>
<a name="line-225"></a><span class='hs-definition'>convertCmd</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"You must provide 'convert' with either one or two arguments."</span>
<a name="line-226"></a>
<a name="line-227"></a><a name="makeRepoName"></a><span class='hs-definition'>makeRepoName</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'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>String</span>
<a name="line-228"></a><span class='hs-definition'>makeRepoName</span> <span class='hs-layout'>(</span><span class='hs-conid'>NewRepo</span> <span class='hs-varid'>n</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span>
<a name="line-229"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>exists</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>n</span>
<a name="line-230"></a> <span class='hs-varid'>file_exists</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>n</span>
<a name="line-231"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>exists</span> <span class='hs-varop'>||</span> <span class='hs-varid'>file_exists</span>
<a name="line-232"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Directory or file named '"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>"' already exists."</span>
<a name="line-233"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varid'>n</span>
<a name="line-234"></a><span class='hs-definition'>makeRepoName</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeRepoName</span> <span class='hs-keyword'>as</span> <span class='hs-varid'>d</span>
<a name="line-235"></a><span class='hs-definition'>makeRepoName</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span>
<a name="line-236"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-chr'>'.'</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>$</span>
<a name="line-237"></a> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span> <span class='hs-chr'>'/'</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span> <span class='hs-chr'>':'</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-238"></a> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-chr'>'/'</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>d</span> <span class='hs-keyword'>of</span>
<a name="line-239"></a> <span class='hs-str'>""</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>modifyRepoName</span> <span class='hs-str'>"anonymous_repo"</span>
<a name="line-240"></a> <span class='hs-varid'>base</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>modifyRepoName</span> <span class='hs-varid'>base</span>
<a name="line-241"></a>
<a name="line-242"></a><a name="modifyRepoName"></a><span class='hs-definition'>modifyRepoName</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'>String</span>
<a name="line-243"></a><span class='hs-definition'>modifyRepoName</span> <span class='hs-varid'>name</span> <span class='hs-keyglyph'>=</span>
<a name="line-244"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>head</span> <span class='hs-varid'>name</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'/'</span>
<a name="line-245"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>mrn</span> <span class='hs-varid'>name</span> <span class='hs-layout'>(</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-246"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>cwd</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getCurrentDirectory</span>
<a name="line-247"></a> <span class='hs-varid'>mrn</span> <span class='hs-layout'>(</span><span class='hs-varid'>cwd</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-248"></a> <span class='hs-keyword'>where</span>
<a name="line-249"></a> <span class='hs-varid'>mrn</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>String</span>
<a name="line-250"></a> <span class='hs-varid'>mrn</span> <span class='hs-varid'>n</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-251"></a> <span class='hs-varid'>exists</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>thename</span>
<a name="line-252"></a> <span class='hs-varid'>file_exists</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>thename</span>
<a name="line-253"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>not</span> <span class='hs-varid'>exists</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>not</span> <span class='hs-varid'>file_exists</span>
<a name="line-254"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>/=</span> <span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-255"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Directory '"</span><span class='hs-varop'>++</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span>
<a name="line-256"></a> <span class='hs-str'>"' already exists, creating repository as '"</span><span class='hs-varop'>++</span>
<a name="line-257"></a> <span class='hs-varid'>thename</span> <span class='hs-varop'>++</span><span class='hs-str'>"'"</span>
<a name="line-258"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>thename</span>
<a name="line-259"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>mrn</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span>
<a name="line-260"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>thename</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>i</span> <span class='hs-varop'>==</span> <span class='hs-comment'>-</span><span class='hs-num'>1</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>n</span><span class='hs-varop'>++</span><span class='hs-str'>"_"</span><span class='hs-varop'>++</span><span class='hs-varid'>show</span> <span class='hs-varid'>i</span>
<a name="line-261"></a>
</pre></body>
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