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<title>src/Darcs/Commands/Get.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2002-2005 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'>Get</span> <span class='hs-layout'>(</span> <span class='hs-varid'>get</span><span class='hs-layout'>,</span> <span class='hs-varid'>clone</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-21"></a>
<a name="line-22"></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-23"></a> <span class='hs-varid'>createDirectory</span> <span class='hs-layout'>)</span>
<a name="line-24"></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-25"></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-26"></a>
<a name="line-27"></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'>commandAlias</span><span class='hs-layout'>,</span> <span class='hs-varid'>putInfo</span> <span class='hs-layout'>)</span>
<a name="line-28"></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-29"></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'>NewRepo</span><span class='hs-layout'>,</span> <span class='hs-conid'>Lazy</span><span class='hs-layout'>,</span>
<a name="line-30"></a> <span class='hs-conid'>UseFormat2</span><span class='hs-layout'>,</span>
<a name="line-31"></a> <span class='hs-conid'>UseHashedInventory</span><span class='hs-layout'>,</span> <span class='hs-conid'>UseNoWorkingDir</span><span class='hs-layout'>,</span>
<a name="line-32"></a> <span class='hs-conid'>SetScriptsExecutable</span><span class='hs-layout'>,</span> <span class='hs-conid'>OnePattern</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-33"></a> <span class='hs-varid'>getContext</span><span class='hs-layout'>,</span> <span class='hs-varid'>useWorkingDir</span><span class='hs-layout'>,</span>
<a name="line-34"></a> <span class='hs-varid'>partial</span><span class='hs-layout'>,</span> <span class='hs-varid'>reponame</span><span class='hs-layout'>,</span>
<a name="line-35"></a> <span class='hs-varid'>matchOneContext</span><span class='hs-layout'>,</span> <span class='hs-varid'>setDefault</span><span class='hs-layout'>,</span> <span class='hs-varid'>setScriptsExecutableOption</span><span class='hs-layout'>,</span>
<a name="line-36"></a> <span class='hs-varid'>networkOptions</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeScriptsExecutable</span><span class='hs-layout'>,</span> <span class='hs-varid'>usePacks</span> <span class='hs-layout'>)</span>
<a name="line-37"></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'>withRepository</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'>withRepoLock</span><span class='hs-layout'>,</span> <span class='hs-varid'>identifyRepositoryFor</span><span class='hs-layout'>,</span> <span class='hs-varid'>readRepo</span><span class='hs-layout'>,</span>
<a name="line-38"></a> <span class='hs-varid'>tentativelyRemovePatches</span><span class='hs-layout'>,</span> <span class='hs-varid'>patchSetToRepository</span><span class='hs-layout'>,</span>
<a name="line-39"></a> <span class='hs-varid'>copyRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>tentativelyAddToPending</span><span class='hs-layout'>,</span>
<a name="line-40"></a> <span class='hs-varid'>finalizeRepositoryChanges</span><span class='hs-layout'>,</span> <span class='hs-varid'>setScriptsExecutable</span>
<a name="line-41"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>invalidateIndex</span><span class='hs-layout'>,</span> <span class='hs-varid'>createRepository</span> <span class='hs-layout'>)</span>
<a name="line-42"></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-conid'>RepoFormat</span><span class='hs-layout'>,</span>
<a name="line-43"></a> <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-conid'>HashedInventory</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>formatHas</span> <span class='hs-layout'>)</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepoPatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>apply</span><span class='hs-layout'>,</span> <span class='hs-varid'>invert</span><span class='hs-layout'>,</span> <span class='hs-varid'>effect</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimOf</span> <span class='hs-layout'>)</span>
<a name="line-45"></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-46"></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-varid'>lengthFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapFL_FL</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conop'>:></span><span class='hs-layout'>)</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-47"></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'>hopefully</span> <span class='hs-layout'>)</span>
<a name="line-48"></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'>findCommonWithThem</span><span class='hs-layout'>,</span> <span class='hs-varid'>countUsThem</span> <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'>setDefaultrepo</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-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-51"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Match</span> <span class='hs-layout'>(</span> <span class='hs-varid'>havePatchsetMatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>getOnePatchset</span> <span class='hs-layout'>)</span>
<a name="line-52"></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-53"></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-varid'>errorDoc</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'>Lock</span> <span class='hs-layout'>(</span> <span class='hs-varid'>writeBinFile</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'>RepoPath</span> <span class='hs-layout'>(</span> <span class='hs-varid'>toFilePath</span><span class='hs-layout'>,</span> <span class='hs-varid'>toPath</span><span class='hs-layout'>,</span> <span class='hs-varid'>ioAbsoluteOrRemote</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'>Sealed</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Sealed</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-57"></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-58"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>English</span> <span class='hs-layout'>(</span> <span class='hs-varid'>englishNum</span><span class='hs-layout'>,</span> <span class='hs-conid'>Noun</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-59"></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>
<a name="line-60"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-61"></a>
<a name="line-62"></a><a name="getDescription"></a><span class='hs-definition'>getDescription</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-63"></a><span class='hs-definition'>getDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Create a local copy of a repository."</span>
<a name="line-64"></a>
<a name="line-65"></a><a name="getHelp"></a><span class='hs-definition'>getHelp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-66"></a><span class='hs-definition'>getHelp</span> <span class='hs-keyglyph'>=</span>
<a name="line-67"></a> <span class='hs-str'>"Get creates a local copy of a repository. The optional second\n"</span> <span class='hs-varop'>++</span>
<a name="line-68"></a> <span class='hs-str'>"argument specifies a destination directory for the new copy; if\n"</span> <span class='hs-varop'>++</span>
<a name="line-69"></a> <span class='hs-str'>"omitted, it is inferred from the source location.\n"</span> <span class='hs-varop'>++</span>
<a name="line-70"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-71"></a> <span class='hs-str'>"By default Darcs will copy every patch from the original repository.\n"</span> <span class='hs-varop'>++</span>
<a name="line-72"></a> <span class='hs-str'>"This means the copy is completely independent of the original; you can\n"</span> <span class='hs-varop'>++</span>
<a name="line-73"></a> <span class='hs-str'>"operate on the new repository even when the original is inaccessible.\n"</span> <span class='hs-varop'>++</span>
<a name="line-74"></a> <span class='hs-str'>"If you expect the original repository to remain accessible, you can\n"</span> <span class='hs-varop'>++</span>
<a name="line-75"></a> <span class='hs-str'>"use --lazy to avoid copying patches until they are needed (`copy on\n"</span> <span class='hs-varop'>++</span>
<a name="line-76"></a> <span class='hs-str'>"demand'). This is particularly useful when copying a remote\n"</span> <span class='hs-varop'>++</span>
<a name="line-77"></a> <span class='hs-str'>"repository with a long history that you don't care about.\n"</span> <span class='hs-varop'>++</span>
<a name="line-78"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-79"></a> <span class='hs-str'>"The --lazy option isn't as useful for local copies, because Darcs will\n"</span> <span class='hs-varop'>++</span>
<a name="line-80"></a> <span class='hs-str'>"automatically use `hard linking' where possible. As well as saving\n"</span> <span class='hs-varop'>++</span>
<a name="line-81"></a> <span class='hs-str'>"time and space, you can move or delete the original repository without\n"</span> <span class='hs-varop'>++</span>
<a name="line-82"></a> <span class='hs-str'>"affecting a complete, hard-linked copy. Hard linking requires that\n"</span> <span class='hs-varop'>++</span>
<a name="line-83"></a> <span class='hs-str'>"the copy be on the same filesystem and the original repository, and\n"</span> <span class='hs-varop'>++</span>
<a name="line-84"></a> <span class='hs-str'>"that the filesystem support hard linking. This includes NTFS, HFS+\n"</span> <span class='hs-varop'>++</span>
<a name="line-85"></a> <span class='hs-str'>"and all general-purpose Unix filesystems (such as ext3, UFS and ZFS).\n"</span> <span class='hs-varop'>++</span>
<a name="line-86"></a> <span class='hs-str'>"FAT does not support hard links.\n"</span> <span class='hs-varop'>++</span>
<a name="line-87"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-88"></a> <span class='hs-str'>"Darcs get will not copy unrecorded changes to the source repository's\n"</span> <span class='hs-varop'>++</span>
<a name="line-89"></a> <span class='hs-str'>"working tree.\n"</span> <span class='hs-varop'>++</span>
<a name="line-90"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-91"></a> <span class='hs-varid'>getHelpTag</span>
<a name="line-92"></a>
<a name="line-93"></a><a name="get"></a><span class='hs-definition'>get</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-94"></a><span class='hs-definition'>get</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-95"></a> <span class='hs-varid'>commandName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"get"</span><span class='hs-layout'>,</span>
<a name="line-96"></a> <span class='hs-varid'>commandHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHelp</span><span class='hs-layout'>,</span>
<a name="line-97"></a> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getDescription</span><span class='hs-layout'>,</span>
<a name="line-98"></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-99"></a> <span class='hs-varid'>commandExtraArgHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"<REPOSITORY>"</span><span class='hs-layout'>,</span> <span class='hs-str'>"[<DIRECTORY>]"</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span>
<a name="line-100"></a> <span class='hs-varid'>commandCommand</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getCmd</span><span class='hs-layout'>,</span>
<a name="line-101"></a> <span class='hs-varid'>commandPrereq</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>contextExists</span><span class='hs-layout'>,</span>
<a name="line-102"></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-103"></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-104"></a> <span class='hs-varid'>commandAdvancedOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>usePacks</span><span class='hs-conop'>:</span><span class='hs-varid'>networkOptions</span><span class='hs-layout'>,</span>
<a name="line-105"></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>
<a name="line-106"></a> <span class='hs-varid'>partial</span><span class='hs-layout'>,</span>
<a name="line-107"></a> <span class='hs-varid'>matchOneContext</span><span class='hs-layout'>,</span>
<a name="line-108"></a> <span class='hs-varid'>setDefault</span> <span class='hs-conid'>True</span><span class='hs-layout'>,</span>
<a name="line-109"></a> <span class='hs-varid'>setScriptsExecutableOption</span><span class='hs-layout'>,</span>
<a name="line-110"></a> <span class='hs-varid'>useWorkingDir</span><span class='hs-keyglyph'>]</span>
<a name="line-111"></a> <span class='hs-layout'>}</span>
<a name="line-112"></a>
<a name="line-113"></a><a name="clone"></a><span class='hs-definition'>clone</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-114"></a><span class='hs-definition'>clone</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandAlias</span> <span class='hs-str'>"clone"</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>get</span>
<a name="line-115"></a>
<a name="line-116"></a><a name="getCmd"></a><span class='hs-definition'>getCmd</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-117"></a><span class='hs-definition'>getCmd</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'>getCmd</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-118"></a><span class='hs-definition'>getCmd</span> <span class='hs-varid'>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-119"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Starting work on get..."</span>
<a name="line-120"></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-121"></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-122"></a> <span class='hs-varid'>showMotd</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>repodir</span>
<a name="line-123"></a> <span class='hs-varid'>rfsource</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>identifyRepoFormat</span> <span class='hs-varid'>repodir</span>
<a name="line-124"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Found the format of "</span><span class='hs-varop'>++</span><span class='hs-varid'>repodir</span><span class='hs-varop'>++</span><span class='hs-str'>"..."</span>
<a name="line-125"></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-126"></a> <span class='hs-varid'>createDirectory</span> <span class='hs-varid'>mysimplename</span>
<a name="line-127"></a> <span class='hs-varid'>setCurrentDirectory</span> <span class='hs-varid'>mysimplename</span>
<a name="line-128"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>opts'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>formatHas</span> <span class='hs-conid'>Darcs2</span> <span class='hs-varid'>rfsource</span>
<a name="line-129"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>UseFormat2</span><span class='hs-conop'>:</span><span class='hs-varid'>opts</span>
<a name="line-130"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>UseHashedInventory</span><span class='hs-conop'>:</span><span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span> <span class='hs-conid'>UseFormat2</span><span class='hs-layout'>)</span> <span class='hs-varid'>opts</span>
<a name="line-131"></a> <span class='hs-varid'>createRepository</span> <span class='hs-varid'>opts'</span>
<a name="line-132"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Finished initializing new directory."</span>
<a name="line-133"></a> <span class='hs-varid'>setDefaultrepo</span> <span class='hs-varid'>repodir</span> <span class='hs-varid'>opts</span>
<a name="line-134"></a>
<a name="line-135"></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-136"></a>
<a name="line-137"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>null</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OnePattern</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>opts</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- --to-match given</span>
<a name="line-138"></a> <span class='hs-varop'>&&</span> <span class='hs-conid'>Lazy</span> <span class='hs-varop'>`notElem`</span> <span class='hs-varid'>opts</span>
<a name="line-139"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>withRepository</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-140"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Using economical get --to-match handling"</span>
<a name="line-141"></a> <span class='hs-varid'>fromrepo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>identifyRepositoryFor</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>repodir</span>
<a name="line-142"></a> <span class='hs-conid'>Sealed</span> <span class='hs-varid'>patches_to_get</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getOnePatchset</span> <span class='hs-varid'>fromrepo</span> <span class='hs-varid'>opts</span>
<a name="line-143"></a><span class='hs-comment'>-- Warning: A do-notation statement discarded a result of type Repository p ghc-prim</span>
<a name="line-144"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>patchSetToRepository</span> <span class='hs-varid'>fromrepo</span> <span class='hs-varid'>patches_to_get</span> <span class='hs-varid'>opts</span>
<a name="line-145"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Finished converting selected patch set to new repository"</span>
<a name="line-146"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>copyRepoAndGoToChosenVersion</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>repodir</span> <span class='hs-varid'>rfsource</span>
<a name="line-147"></a><span class='hs-definition'>getCmd</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 'get' with either one or two arguments."</span>
<a name="line-148"></a>
<a name="line-149"></a><a name="copyRepoAndGoToChosenVersion"></a><span class='hs-comment'>-- | called by getCmd</span>
<a name="line-150"></a><span class='hs-comment'>-- assumes that the target repo of the get is the current directory, and that an inventory in the</span>
<a name="line-151"></a><span class='hs-comment'>-- right format has already been created.</span>
<a name="line-152"></a><span class='hs-definition'>copyRepoAndGoToChosenVersion</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'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RepoFormat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-153"></a><span class='hs-definition'>copyRepoAndGoToChosenVersion</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>repodir</span> <span class='hs-varid'>rfsource</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-154"></a> <span class='hs-varid'>copyRepo</span>
<a name="line-155"></a> <span class='hs-varid'>withRepository</span> <span class='hs-varid'>opts</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</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-varid'>goToChosenVersion</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoJob</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-156"></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 getting."</span>
<a name="line-157"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>copyRepo</span> <span class='hs-keyglyph'>=</span>
<a name="line-158"></a> <span class='hs-varid'>withRepository</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>
<a name="line-159"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>formatHas</span> <span class='hs-conid'>HashedInventory</span> <span class='hs-varid'>rfsource</span>
<a name="line-160"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
<a name="line-161"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Identifying and copying repository..."</span>
<a name="line-162"></a> <span class='hs-varid'>copyRepoHashed</span> <span class='hs-varid'>repository</span>
<a name="line-163"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-164"></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'>"***********************************************************************"</span>
<a name="line-165"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>" _______ Sorry for the wait! The repository you are fetching is"</span>
<a name="line-166"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>" | | using the DEPRECATED 'old-fashioned' format. I'm getting a"</span>
<a name="line-167"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>" | O O | hashed copy instead, but this may take a while."</span>
<a name="line-168"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>" | ___ |"</span>
<a name="line-169"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>" | / \\ | We recommend that the maintainer upgrade the remote copy"</span>
<a name="line-170"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>" |_______| as well. See http://wiki.darcs.net/OF for more information."</span>
<a name="line-171"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>""</span>
<a name="line-172"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"***********************************************************************"</span>
<a name="line-173"></a> <span class='hs-varid'>copyRepoHashed</span> <span class='hs-varid'>repository</span>
<a name="line-174"></a> <span class='hs-varid'>copyRepoHashed</span> <span class='hs-varid'>repository</span> <span class='hs-keyglyph'>=</span>
<a name="line-175"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>identifyRepositoryFor</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>repodir</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>flip</span> <span class='hs-varid'>copyRepository</span> <span class='hs-layout'>(</span><span class='hs-conid'>UseNoWorkingDir</span> <span class='hs-varop'>`notElem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-176"></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-varid'>setScriptsExecutable</span>
<a name="line-177"></a>
<a name="line-178"></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-179"></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-180"></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-181"></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-182"></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-183"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Directory or file named '"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>"' already exists."</span>
<a name="line-184"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varid'>n</span>
<a name="line-185"></a><span class='hs-definition'>makeRepoName</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeRepoName</span> <span class='hs-keyword'>as</span> <span class='hs-varid'>d</span>
<a name="line-186"></a><span class='hs-definition'>makeRepoName</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span>
<a name="line-187"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-chr'>'.'</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>$</span>
<a name="line-188"></a> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span> <span class='hs-chr'>'/'</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span> <span class='hs-chr'>':'</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-189"></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-190"></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-191"></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-192"></a>
<a name="line-193"></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-194"></a><span class='hs-definition'>modifyRepoName</span> <span class='hs-varid'>name</span> <span class='hs-keyglyph'>=</span>
<a name="line-195"></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-196"></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-197"></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-198"></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-199"></a> <span class='hs-keyword'>where</span>
<a name="line-200"></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-201"></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-202"></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-203"></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-204"></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-205"></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-206"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Directory '"</span><span class='hs-varop'>++</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span>
<a name="line-207"></a> <span class='hs-str'>"' already exists, creating repository as '"</span><span class='hs-varop'>++</span>
<a name="line-208"></a> <span class='hs-varid'>thename</span> <span class='hs-varop'>++</span><span class='hs-str'>"'"</span>
<a name="line-209"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>thename</span>
<a name="line-210"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>mrn</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span>
<a name="line-211"></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-212"></a>
<a name="line-213"></a><a name="getHelpTag"></a><span class='hs-definition'>getHelpTag</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-214"></a><span class='hs-definition'>getHelpTag</span> <span class='hs-keyglyph'>=</span>
<a name="line-215"></a> <span class='hs-str'>"It is often desirable to make a copy of a repository that excludes\n"</span> <span class='hs-varop'>++</span>
<a name="line-216"></a> <span class='hs-str'>"some patches. For example, if releases are tagged then `darcs get\n"</span> <span class='hs-varop'>++</span>
<a name="line-217"></a> <span class='hs-str'>"--tag .' would make a copy of the repository as at the latest release.\n"</span> <span class='hs-varop'>++</span>
<a name="line-218"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-219"></a> <span class='hs-str'>"An untagged repository state can still be identified unambiguously by\n"</span> <span class='hs-varop'>++</span>
<a name="line-220"></a> <span class='hs-str'>"a context file, as generated by `darcs changes --context'. Given the\n"</span> <span class='hs-varop'>++</span>
<a name="line-221"></a> <span class='hs-str'>"name of such a file, the --context option will create a repository\n"</span> <span class='hs-varop'>++</span>
<a name="line-222"></a> <span class='hs-str'>"that includes only the patches from that context. When a user reports\n"</span> <span class='hs-varop'>++</span>
<a name="line-223"></a> <span class='hs-str'>"a bug in an unreleased version of your project, the recommended way to\n"</span> <span class='hs-varop'>++</span>
<a name="line-224"></a> <span class='hs-str'>"find out exactly what version they were running is to have them\n"</span> <span class='hs-varop'>++</span>
<a name="line-225"></a> <span class='hs-str'>"include a context file in the bug report.\n"</span> <span class='hs-varop'>++</span>
<a name="line-226"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-227"></a> <span class='hs-str'>"You can also make a copy of an untagged state using the --to-patch or\n"</span> <span class='hs-varop'>++</span>
<a name="line-228"></a> <span class='hs-str'>"--to-match options, which exclude patches `after' the first matching\n"</span> <span class='hs-varop'>++</span>
<a name="line-229"></a> <span class='hs-str'>"patch. Because these options treat the set of patches as an ordered\n"</span> <span class='hs-varop'>++</span>
<a name="line-230"></a> <span class='hs-str'>"sequence, you may get different results after reordering with `darcs\n"</span> <span class='hs-varop'>++</span>
<a name="line-231"></a> <span class='hs-str'>"optimize', so tagging is preferred.\n"</span>
<a name="line-232"></a>
<a name="line-233"></a><a name="contextExists"></a><span class='hs-definition'>contextExists</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-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-234"></a><span class='hs-definition'>contextExists</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span>
<a name="line-235"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>getContext</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>of</span>
<a name="line-236"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-conid'>()</span>
<a name="line-237"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>exists</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-varop'>$</span> <span class='hs-varid'>toFilePath</span> <span class='hs-varid'>f</span>
<a name="line-238"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>exists</span>
<a name="line-239"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>Right</span> <span class='hs-conid'>()</span>
<a name="line-240"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>Left</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Context file "</span><span class='hs-varop'>++</span><span class='hs-varid'>toFilePath</span> <span class='hs-varid'>f</span><span class='hs-varop'>++</span><span class='hs-str'>" does not exist"</span>
<a name="line-241"></a>
<a name="line-242"></a><a name="goToChosenVersion"></a><span class='hs-definition'>goToChosenVersion</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-conid'>ApplyState</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span>
<a name="line-243"></a> <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>
<a name="line-244"></a> <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-245"></a><span class='hs-definition'>goToChosenVersion</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span>
<a name="line-246"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>havePatchsetMatch</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-247"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Going to specified version..."</span>
<a name="line-248"></a> <span class='hs-varid'>patches</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>repository</span>
<a name="line-249"></a> <span class='hs-conid'>Sealed</span> <span class='hs-varid'>context</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getOnePatchset</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span>
<a name="line-250"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>snd</span> <span class='hs-layout'>(</span><span class='hs-varid'>countUsThem</span> <span class='hs-varid'>patches</span> <span class='hs-varid'>context</span><span class='hs-layout'>)</span> <span class='hs-varop'>></span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-251"></a> <span class='hs-varid'>errorDoc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"Missing patches from context!"</span> <span class='hs-comment'>-- FIXME : - (</span>
<a name="line-252"></a> <span class='hs-keyword'>_</span> <span class='hs-conop'>:></span> <span class='hs-varid'>us'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>findCommonWithThem</span> <span class='hs-varid'>patches</span> <span class='hs-varid'>context</span>
<a name="line-253"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapFL_FL</span> <span class='hs-varid'>hopefully</span> <span class='hs-varid'>us'</span>
<a name="line-254"></a> <span class='hs-varid'>putInfo</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unapplying "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>lengthFL</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span>
<a name="line-255"></a> <span class='hs-varid'>englishNum</span> <span class='hs-layout'>(</span><span class='hs-varid'>lengthFL</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Noun</span> <span class='hs-str'>"patch"</span><span class='hs-layout'>)</span> <span class='hs-str'>""</span>
<a name="line-256"></a> <span class='hs-varid'>invalidateIndex</span> <span class='hs-varid'>repository</span>
<a name="line-257"></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-keyword'>_</span> <span class='hs-keyglyph'>-></span>
<a name="line-258"></a><span class='hs-comment'>-- Warning: A do-notation statement discarded a result of type Repository p r u z.</span>
<a name="line-259"></a> <span class='hs-keyword'>do</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>tentativelyRemovePatches</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-varid'>us'</span>
<a name="line-260"></a> <span class='hs-varid'>tentativelyAddToPending</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-varid'>invert</span> <span class='hs-varop'>$</span> <span class='hs-varid'>effect</span> <span class='hs-varid'>us'</span>
<a name="line-261"></a> <span class='hs-varid'>finalizeRepositoryChanges</span> <span class='hs-varid'>repository</span>
<a name="line-262"></a> <span class='hs-varid'>apply</span> <span class='hs-layout'>(</span><span class='hs-varid'>invert</span> <span class='hs-varop'>$</span> <span class='hs-varid'>effect</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-varop'>`catch`</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span>
<a name="line-263"></a> <span class='hs-varid'>fail</span> <span class='hs-layout'>(</span><span class='hs-str'>"Couldn't undo patch in working dir.\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>
<a name="line-264"></a> <span class='hs-varid'>makeScriptsExecutable</span> <span class='hs-varid'>opts</span> <span class='hs-layout'>(</span><span class='hs-varid'>invert</span> <span class='hs-varop'>$</span> <span class='hs-varid'>effect</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span>
<a name="line-265"></a>
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