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<title>src/Darcs/Commands/Move.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2002-2003 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'>Move</span> <span class='hs-layout'>(</span> <span class='hs-varid'>move</span><span class='hs-layout'>,</span> <span class='hs-varid'>mv</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span> <span class='hs-varid'>when</span><span class='hs-layout'>,</span> <span class='hs-varid'>unless</span><span class='hs-layout'>,</span> <span class='hs-varid'>zipWithM_</span> <span class='hs-layout'>)</span>
<a name="line-23"></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-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>SignalHandler</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withSignalsBlocked</span> <span class='hs-layout'>)</span>
<a name="line-25"></a>
<a name="line-26"></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>
<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'>Arguments</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsFlag</span><span class='hs-conid'>()</span><span class='hs-layout'>,</span> <span class='hs-varid'>maybeFixSubPaths</span><span class='hs-layout'>,</span>
<a name="line-28"></a> <span class='hs-varid'>fixSubPaths</span><span class='hs-layout'>,</span> <span class='hs-varid'>workingRepoDir</span><span class='hs-layout'>,</span>
<a name="line-29"></a> <span class='hs-varid'>listFiles</span><span class='hs-layout'>,</span> <span class='hs-varid'>allowProblematicFilenames</span><span class='hs-layout'>,</span> <span class='hs-varid'>umaskOption</span><span class='hs-layout'>,</span>
<a name="line-30"></a> <span class='hs-layout'>)</span>
<a name="line-31"></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'>doAllowCaseOnly</span><span class='hs-layout'>,</span> <span class='hs-varid'>doAllowWindowsReserved</span> <span class='hs-layout'>)</span>
<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'>RepoPath</span> <span class='hs-layout'>(</span> <span class='hs-conid'>SubPath</span><span class='hs-conid'>()</span><span class='hs-layout'>,</span> <span class='hs-varid'>toFilePath</span> <span class='hs-layout'>)</span>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'></></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>takeFileName</span> <span class='hs-layout'>)</span>
<a name="line-34"></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'>renameDirectory</span> <span class='hs-layout'>)</span>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Workaround</span> <span class='hs-layout'>(</span> <span class='hs-varid'>renameFile</span> <span class='hs-layout'>)</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>State</span> <span class='hs-layout'>(</span> <span class='hs-varid'>readRecordedAndPending</span><span class='hs-layout'>,</span> <span class='hs-varid'>readRecorded</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'>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'>amInHashedRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>addToPending</span> <span class='hs-layout'>)</span>
<a name="line-38"></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-varid'>toFL</span> <span class='hs-layout'>)</span>
<a name="line-39"></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> <span class='hs-varid'>unseal</span><span class='hs-layout'>,</span> <span class='hs-varid'>freeGap</span><span class='hs-layout'>,</span> <span class='hs-conid'>FreeLeft</span><span class='hs-layout'>,</span> <span class='hs-varid'>unFreeLeft</span> <span class='hs-layout'>)</span>
<a name="line-40"></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'>debugMessage</span> <span class='hs-layout'>)</span>
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</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'>Patch</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepoPatch</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimPatch</span> <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'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>FileName</span> <span class='hs-layout'>(</span> <span class='hs-varid'>fp2fn</span><span class='hs-layout'>,</span> <span class='hs-varid'>fn2fp</span><span class='hs-layout'>,</span> <span class='hs-varid'>superName</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-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-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span> <span class='hs-varid'>nub</span><span class='hs-layout'>,</span> <span class='hs-varid'>sort</span> <span class='hs-layout'>)</span>
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</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'>Windows</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>WindowsFilePath</span>
<a name="line-47"></a>
<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'>Utils</span><span class='hs-layout'>(</span> <span class='hs-varid'>treeHas</span><span class='hs-layout'>,</span> <span class='hs-varid'>treeHasDir</span><span class='hs-layout'>,</span> <span class='hs-varid'>treeHasAnycase</span><span class='hs-layout'>,</span> <span class='hs-varid'>treeHasFile</span> <span class='hs-layout'>)</span>
<a name="line-49"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Storage</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashed</span><span class='hs-varop'>.</span><span class='hs-conid'>Tree</span><span class='hs-layout'>(</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>,</span> <span class='hs-varid'>modifyTree</span> <span class='hs-layout'>)</span>
<a name="line-50"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Storage</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashed</span><span class='hs-varop'>.</span><span class='hs-conid'>Plain</span><span class='hs-layout'>(</span> <span class='hs-varid'>readPlainTree</span> <span class='hs-layout'>)</span>
<a name="line-51"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Storage</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashed</span><span class='hs-varop'>.</span><span class='hs-conid'>AnchoredPath</span><span class='hs-layout'>(</span> <span class='hs-varid'>floatPath</span> <span class='hs-layout'>)</span>
<a name="line-52"></a>
<a name="line-53"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-54"></a>
<a name="line-55"></a><a name="moveDescription"></a><span class='hs-definition'>moveDescription</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-56"></a><span class='hs-definition'>moveDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Move or rename files."</span>
<a name="line-57"></a>
<a name="line-58"></a><a name="moveHelp"></a><span class='hs-definition'>moveHelp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-59"></a><span class='hs-definition'>moveHelp</span> <span class='hs-keyglyph'>=</span>
<a name="line-60"></a> <span class='hs-str'>"Darcs cannot reliably distinguish between a file being deleted and a\n"</span> <span class='hs-varop'>++</span>
<a name="line-61"></a> <span class='hs-str'>"new one added, and a file being moved. Therefore Darcs always assumes\n"</span> <span class='hs-varop'>++</span>
<a name="line-62"></a> <span class='hs-str'>"the former, and provides the `darcs mv' command to let Darcs know when\n"</span> <span class='hs-varop'>++</span>
<a name="line-63"></a> <span class='hs-str'>"you want the latter. This command will also move the file in the\n"</span> <span class='hs-varop'>++</span>
<a name="line-64"></a> <span class='hs-str'>"working tree (unlike `darcs remove'), unless it has already been moved.\n"</span> <span class='hs-varop'>++</span>
<a name="line-65"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-66"></a> <span class='hs-comment'>-- Note that this paragraph is very similar to one in ./Add.lhs.</span>
<a name="line-67"></a> <span class='hs-str'>"Darcs will not rename a file if another file in the same folder has\n"</span> <span class='hs-varop'>++</span>
<a name="line-68"></a> <span class='hs-str'>"the same name, except for case. The --case-ok option overrides this\n"</span> <span class='hs-varop'>++</span>
<a name="line-69"></a> <span class='hs-str'>"behaviour. Windows and OS X usually use filesystems that do not allow\n"</span> <span class='hs-varop'>++</span>
<a name="line-70"></a> <span class='hs-str'>"files a folder to have the same name except for case (for example,\n"</span> <span class='hs-varop'>++</span>
<a name="line-71"></a> <span class='hs-str'>"`ReadMe' and `README'). If --case-ok is used, the repository might be\n"</span> <span class='hs-varop'>++</span>
<a name="line-72"></a> <span class='hs-str'>"unusable on those systems!\n"</span>
<a name="line-73"></a>
<a name="line-74"></a><a name="move"></a><span class='hs-definition'>move</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-75"></a><span class='hs-definition'>move</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-76"></a> <span class='hs-varid'>commandName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"move"</span><span class='hs-layout'>,</span>
<a name="line-77"></a> <span class='hs-varid'>commandHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>moveHelp</span><span class='hs-layout'>,</span>
<a name="line-78"></a> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>moveDescription</span><span class='hs-layout'>,</span>
<a name="line-79"></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-80"></a> <span class='hs-varid'>commandExtraArgHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"<SOURCE> ... <DESTINATION>"</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span>
<a name="line-81"></a> <span class='hs-varid'>commandCommand</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>moveCmd</span><span class='hs-layout'>,</span>
<a name="line-82"></a> <span class='hs-varid'>commandPrereq</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>amInHashedRepository</span><span class='hs-layout'>,</span>
<a name="line-83"></a> <span class='hs-varid'>commandGetArgPossibilities</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>listFiles</span><span class='hs-layout'>,</span>
<a name="line-84"></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-85"></a> <span class='hs-varid'>commandAdvancedOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>umaskOption</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span>
<a name="line-86"></a> <span class='hs-varid'>commandBasicOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>allowProblematicFilenames</span><span class='hs-layout'>,</span> <span class='hs-varid'>workingRepoDir</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>}</span>
<a name="line-87"></a>
<a name="line-88"></a><a name="moveCmd"></a><span class='hs-definition'>moveCmd</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-89"></a><span class='hs-definition'>moveCmd</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>args</span>
<a name="line-90"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>length</span> <span class='hs-varid'>args</span> <span class='hs-varop'><</span> <span class='hs-num'>2</span> <span class='hs-keyglyph'>=</span>
<a name="line-91"></a> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"The `darcs move' command requires at least two arguments."</span>
<a name="line-92"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>length</span> <span class='hs-varid'>args</span> <span class='hs-varop'>==</span> <span class='hs-num'>2</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-93"></a> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>maybeFixSubPaths</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>args</span>
<a name="line-94"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>xs</span> <span class='hs-keyword'>of</span>
<a name="line-95"></a> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Just</span> <span class='hs-varid'>from</span><span class='hs-layout'>,</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>to</span><span class='hs-keyglyph'>]</span>
<a name="line-96"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>from</span> <span class='hs-varop'>==</span> <span class='hs-varid'>to</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Cannot rename a file or directory onto itself!"</span>
<a name="line-97"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>toFilePath</span> <span class='hs-varid'>from</span> <span class='hs-varop'>==</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Cannot move the root of the repository"</span>
<a name="line-98"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>moveFile</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>from</span> <span class='hs-varid'>to</span>
<a name="line-99"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Both source and destination must be valid."</span>
<a name="line-100"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>froms</span><span class='hs-layout'>,</span> <span class='hs-varid'>to</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>init</span> <span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>last</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span> <span class='hs-keyword'>in</span> <span class='hs-keyword'>do</span>
<a name="line-101"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>head</span> <span class='hs-varop'><$></span> <span class='hs-varid'>maybeFixSubPaths</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>to</span><span class='hs-keyglyph'>]</span>
<a name="line-102"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-103"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Invalid destination directory."</span>
<a name="line-104"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>to'</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-105"></a> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>nub</span> <span class='hs-varop'>.</span> <span class='hs-varid'>sort</span> <span class='hs-varop'><$></span> <span class='hs-varid'>fixSubPaths</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>froms</span>
<a name="line-106"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>to'</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>xs</span>
<a name="line-107"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Cannot rename a file or directory onto itself!"</span>
<a name="line-108"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>xs</span> <span class='hs-keyword'>of</span>
<a name="line-109"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Nothing to move."</span>
<a name="line-110"></a> <span class='hs-varid'>froms'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>moveFilesToDir</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>froms'</span> <span class='hs-varid'>to'</span>
<a name="line-111"></a>
<a name="line-112"></a><a name="FileKind"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>FileKind</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Dir</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>File</span>
<a name="line-113"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>)</span>
<a name="line-114"></a>
<a name="line-115"></a><a name="FileStatus"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>FileStatus</span> <span class='hs-keyglyph'>=</span>
<a name="line-116"></a> <span class='hs-conid'>Nonexistant</span>
<a name="line-117"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Unadded</span> <span class='hs-conid'>FileKind</span>
<a name="line-118"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Shadow</span> <span class='hs-conid'>FileKind</span> <span class='hs-comment'>-- ^ known to darcs, but absent in working copy</span>
<a name="line-119"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Known</span> <span class='hs-conid'>FileKind</span>
<a name="line-120"></a> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Show</span>
<a name="line-121"></a>
<a name="line-122"></a><a name="fileStatus"></a><span class='hs-definition'>fileStatus</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-></span>
<a name="line-123"></a> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>FileStatus</span>
<a name="line-124"></a><span class='hs-definition'>fileStatus</span> <span class='hs-varid'>work</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>rec</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-125"></a> <span class='hs-varid'>exists_in_cur</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHas</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>fp</span>
<a name="line-126"></a> <span class='hs-varid'>exists_in_rec</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHas</span> <span class='hs-varid'>rec</span> <span class='hs-varid'>fp</span>
<a name="line-127"></a> <span class='hs-varid'>exists_in_work</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHas</span> <span class='hs-varid'>work</span> <span class='hs-varid'>fp</span>
<a name="line-128"></a> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>exists_in_rec</span><span class='hs-layout'>,</span> <span class='hs-varid'>exists_in_cur</span><span class='hs-layout'>,</span> <span class='hs-varid'>exists_in_work</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-129"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-conid'>True</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-130"></a> <span class='hs-varid'>isDirCur</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHasDir</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>fp</span>
<a name="line-131"></a> <span class='hs-varid'>isDirWork</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHasDir</span> <span class='hs-varid'>work</span> <span class='hs-varid'>fp</span>
<a name="line-132"></a> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-varid'>isDirCur</span> <span class='hs-varop'>==</span> <span class='hs-varid'>isDirWork</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"don't know what to do with "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>fp</span>
<a name="line-133"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Known</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isDirCur</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>Dir</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>File</span>
<a name="line-134"></a>
<a name="line-135"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-conid'>True</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-136"></a> <span class='hs-varid'>isDir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHasDir</span> <span class='hs-varid'>work</span> <span class='hs-varid'>fp</span>
<a name="line-137"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isDir</span>
<a name="line-138"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Unadded</span> <span class='hs-conid'>Dir</span>
<a name="line-139"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Unadded</span> <span class='hs-conid'>File</span>
<a name="line-140"></a> <span class='hs-layout'>(</span><span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nonexistant</span>
<a name="line-141"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-142"></a> <span class='hs-varid'>isDir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHasDir</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>fp</span>
<a name="line-143"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isDir</span>
<a name="line-144"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Shadow</span> <span class='hs-conid'>Dir</span>
<a name="line-145"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Shadow</span> <span class='hs-conid'>File</span>
<a name="line-146"></a>
<a name="line-147"></a><a name="moveFile"></a><span class='hs-comment'>-- | Takes two filenames (as 'Subpath'), and tries to move the first</span>
<a name="line-148"></a><span class='hs-comment'>-- into/onto the second. Needs to guess what that means: renaming or moving</span>
<a name="line-149"></a><span class='hs-comment'>-- into a directory, and whether it is a post-hoc move.</span>
<a name="line-150"></a><span class='hs-definition'>moveFile</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'>SubPath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>SubPath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-151"></a><span class='hs-definition'>moveFile</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>old</span> <span class='hs-varid'>new</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withRepoLock</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-conid'>RepoJob</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>repository</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-152"></a> <span class='hs-varid'>work</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readPlainTree</span> <span class='hs-str'>"."</span>
<a name="line-153"></a> <span class='hs-varid'>cur</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readRecordedAndPending</span> <span class='hs-varid'>repository</span>
<a name="line-154"></a> <span class='hs-varid'>rec</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readRecorded</span> <span class='hs-varid'>repository</span>
<a name="line-155"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>old_fp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toFilePath</span> <span class='hs-varid'>old</span>
<a name="line-156"></a> <span class='hs-varid'>new_fp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toFilePath</span> <span class='hs-varid'>new</span>
<a name="line-157"></a> <span class='hs-varid'>new_fs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fileStatus</span> <span class='hs-varid'>work</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>rec</span> <span class='hs-varid'>new_fp</span>
<a name="line-158"></a> <span class='hs-varid'>old_fs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fileStatus</span> <span class='hs-varid'>work</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>rec</span> <span class='hs-varid'>old_fp</span>
<a name="line-159"></a> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>old_fs</span><span class='hs-layout'>,</span> <span class='hs-varid'>new_fs</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-160"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nonexistant</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>old_fp</span> <span class='hs-varop'>++</span> <span class='hs-str'>" is inexistant."</span>
<a name="line-161"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Unadded</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>show</span> <span class='hs-varid'>k</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>old_fp</span> <span class='hs-varop'>++</span> <span class='hs-str'>" is unadded."</span>
<a name="line-162"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Known</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nonexistant</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>simpleMove</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>work</span> <span class='hs-varid'>old_fp</span> <span class='hs-varid'>new_fp</span>
<a name="line-163"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Known</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Shadow</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>simpleMove</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>work</span> <span class='hs-varid'>old_fp</span> <span class='hs-varid'>new_fp</span>
<a name="line-164"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nonexistant</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>old_fp</span> <span class='hs-varop'>++</span> <span class='hs-str'>" is not in the repository."</span>
<a name="line-165"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Known</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Known</span> <span class='hs-conid'>Dir</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>moveToDir</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>old_fp</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>new_fp</span>
<a name="line-166"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Known</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Unadded</span> <span class='hs-conid'>Dir</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>new_fp</span> <span class='hs-varop'>++</span> <span class='hs-str'>" is not known to darcs; please add it to the repository."</span>
<a name="line-167"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Known</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>new_fp</span> <span class='hs-varop'>++</span> <span class='hs-str'>" already exists."</span>
<a name="line-168"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Shadow</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Unadded</span> <span class='hs-varid'>k'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>k</span> <span class='hs-varop'>==</span> <span class='hs-varid'>k'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>simpleMove</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>work</span> <span class='hs-varid'>old_fp</span> <span class='hs-varid'>new_fp</span>
<a name="line-169"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Shadow</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Known</span> <span class='hs-conid'>Dir</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>moveToDir</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>old_fp</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>new_fp</span>
<a name="line-170"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Shadow</span> <span class='hs-varid'>k</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"cannot move "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>k</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>old_fp</span> <span class='hs-varop'>++</span> <span class='hs-str'>" into "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>new_fp</span> <span class='hs-varop'>++</span> <span class='hs-str'>" : "</span> <span class='hs-varop'>++</span>
<a name="line-171"></a> <span class='hs-str'>"did you already move it elsewhere?"</span>
<a name="line-172"></a>
<a name="line-173"></a><a name="simpleMove"></a><span class='hs-definition'>simpleMove</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-174"></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'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span>
<a name="line-175"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-176"></a><span class='hs-definition'>simpleMove</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>work</span> <span class='hs-varid'>old_fp</span> <span class='hs-varid'>new_fp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-177"></a> <span class='hs-varid'>addpatch</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>checkNewAndOldFilenames</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>work</span> <span class='hs-layout'>(</span><span class='hs-varid'>old_fp</span><span class='hs-layout'>,</span><span class='hs-varid'>new_fp</span><span class='hs-layout'>)</span>
<a name="line-178"></a> <span class='hs-varid'>withSignalsBlocked</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-179"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>unFreeLeft</span> <span class='hs-varop'><$></span> <span class='hs-varid'>addpatch</span> <span class='hs-keyword'>of</span>
<a name="line-180"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>addToPending</span> <span class='hs-varid'>repository</span> <span class='hs-layout'>(</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-varid'>move</span> <span class='hs-varid'>old_fp</span> <span class='hs-varid'>new_fp</span> <span class='hs-conop'>:>:</span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span>
<a name="line-181"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>addToPending</span> <span class='hs-varid'>repository</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:>:</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-varid'>move</span> <span class='hs-varid'>old_fp</span> <span class='hs-varid'>new_fp</span> <span class='hs-conop'>:>:</span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span>
<a name="line-182"></a> <span class='hs-varid'>moveFileOrDir</span> <span class='hs-varid'>work</span> <span class='hs-varid'>old_fp</span> <span class='hs-varid'>new_fp</span>
<a name="line-183"></a>
<a name="line-184"></a><a name="moveFilesToDir"></a><span class='hs-definition'>moveFilesToDir</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'>SubPath</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>SubPath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-185"></a><span class='hs-definition'>moveFilesToDir</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>froms</span> <span class='hs-varid'>to</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withRepoLock</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-conid'>RepoJob</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>repo</span> <span class='hs-keyglyph'>-></span>
<a name="line-186"></a> <span class='hs-varid'>moveToDir</span> <span class='hs-varid'>repo</span> <span class='hs-varid'>opts</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toFilePath</span> <span class='hs-varid'>froms</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>toFilePath</span> <span class='hs-varid'>to</span>
<a name="line-187"></a>
<a name="line-188"></a><a name="moveToDir"></a><span class='hs-definition'>moveToDir</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span>
<a name="line-189"></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'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</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'>()</span>
<a name="line-190"></a><span class='hs-definition'>moveToDir</span> <span class='hs-varid'>repository</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>moved</span> <span class='hs-varid'>finaldir</span> <span class='hs-keyglyph'>=</span>
<a name="line-191"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>movefns</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>takeFileName</span> <span class='hs-varid'>moved</span>
<a name="line-192"></a> <span class='hs-varid'>movetargets</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>finaldir</span> <span class='hs-varop'></></span><span class='hs-layout'>)</span> <span class='hs-varid'>movefns</span>
<a name="line-193"></a> <span class='hs-varid'>movepatches</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>zipWith</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>freeGap</span> <span class='hs-layout'>(</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-varid'>move</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>moved</span> <span class='hs-varid'>movetargets</span>
<a name="line-194"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>do</span>
<a name="line-195"></a> <span class='hs-varid'>cur</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readRecordedAndPending</span> <span class='hs-varid'>repository</span>
<a name="line-196"></a> <span class='hs-varid'>work</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readPlainTree</span> <span class='hs-str'>"."</span>
<a name="line-197"></a> <span class='hs-varid'>addpatches</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>checkNewAndOldFilenames</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>work</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>zip</span> <span class='hs-varid'>moved</span> <span class='hs-varid'>movetargets</span>
<a name="line-198"></a> <span class='hs-varid'>withSignalsBlocked</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-199"></a> <span class='hs-varid'>unseal</span> <span class='hs-layout'>(</span><span class='hs-varid'>addToPending</span> <span class='hs-varid'>repository</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>toFL</span> <span class='hs-varop'>$</span> <span class='hs-varid'>catMaybes</span> <span class='hs-varid'>addpatches</span> <span class='hs-varop'>++</span> <span class='hs-varid'>movepatches</span>
<a name="line-200"></a> <span class='hs-varid'>zipWithM_</span> <span class='hs-layout'>(</span><span class='hs-varid'>moveFileOrDir</span> <span class='hs-varid'>work</span><span class='hs-layout'>)</span> <span class='hs-varid'>moved</span> <span class='hs-varid'>movetargets</span>
<a name="line-201"></a>
<a name="line-202"></a><a name="checkNewAndOldFilenames"></a><span class='hs-definition'>checkNewAndOldFilenames</span>
<a name="line-203"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PrimPatch</span> <span class='hs-varid'>prim</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'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>FilePath</span><span class='hs-layout'>,</span> <span class='hs-conid'>FilePath</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>FreeLeft</span> <span class='hs-varid'>prim</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-204"></a><span class='hs-definition'>checkNewAndOldFilenames</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>work</span> <span class='hs-layout'>(</span><span class='hs-varid'>old</span><span class='hs-layout'>,</span><span class='hs-varid'>new</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-205"></a> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-varid'>doAllowWindowsReserved</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>||</span> <span class='hs-conid'>WindowsFilePath</span><span class='hs-varop'>.</span><span class='hs-varid'>isValid</span> <span class='hs-varid'>new</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-206"></a> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"The filename "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>new</span> <span class='hs-varop'>++</span> <span class='hs-str'>" is not valid under Windows.\n"</span> <span class='hs-varop'>++</span>
<a name="line-207"></a> <span class='hs-str'>"Use --reserved-ok to allow such filenames."</span>
<a name="line-208"></a> <span class='hs-varid'>has_work</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHas</span> <span class='hs-varid'>work</span> <span class='hs-varid'>old</span>
<a name="line-209"></a> <span class='hs-varid'>maybe_add_file_thats_been_moved</span> <span class='hs-keyglyph'><-</span>
<a name="line-210"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>has_work</span> <span class='hs-comment'>-- We need to move the object</span>
<a name="line-211"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>has_target</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHasDir</span> <span class='hs-varid'>work</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varop'>$</span> <span class='hs-varid'>superName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp2fn</span> <span class='hs-varid'>new</span><span class='hs-layout'>)</span>
<a name="line-212"></a> <span class='hs-varid'>unless</span> <span class='hs-varid'>has_target</span> <span class='hs-varop'>$</span>
<a name="line-213"></a> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"The target directory "</span> <span class='hs-varop'>++</span>
<a name="line-214"></a> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varop'>$</span> <span class='hs-varid'>superName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp2fn</span> <span class='hs-varid'>new</span><span class='hs-layout'>)</span><span class='hs-varop'>++</span>
<a name="line-215"></a> <span class='hs-str'>" isn't known in working directory, did you forget to add it?"</span>
<a name="line-216"></a> <span class='hs-varid'>has_new</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>it_has</span> <span class='hs-varid'>work</span>
<a name="line-217"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>has_new</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>already_exists</span> <span class='hs-str'>"working directory"</span>
<a name="line-218"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-219"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-220"></a> <span class='hs-varid'>has_new</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHas</span> <span class='hs-varid'>work</span> <span class='hs-varid'>new</span>
<a name="line-221"></a> <span class='hs-varid'>has_cur_dir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHasDir</span> <span class='hs-varid'>cur</span> <span class='hs-varid'>old</span>
<a name="line-222"></a> <span class='hs-varid'>unless</span> <span class='hs-varid'>has_new</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>doesnt_exist</span> <span class='hs-str'>"working directory"</span>
<a name="line-223"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>add_patch</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>has_cur_dir</span>
<a name="line-224"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-varid'>adddir</span> <span class='hs-varid'>old</span>
<a name="line-225"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-varid'>addfile</span> <span class='hs-varid'>old</span>
<a name="line-226"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>freeGap</span> <span class='hs-layout'>(</span><span class='hs-varid'>add_patch</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-227"></a> <span class='hs-varid'>has_target</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHasDir</span> <span class='hs-varid'>cur</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varop'>$</span> <span class='hs-varid'>superName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp2fn</span> <span class='hs-varid'>new</span><span class='hs-layout'>)</span>
<a name="line-228"></a> <span class='hs-varid'>unless</span> <span class='hs-varid'>has_target</span> <span class='hs-varop'>$</span>
<a name="line-229"></a> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"The target directory "</span> <span class='hs-varop'>++</span>
<a name="line-230"></a> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varop'>$</span> <span class='hs-varid'>superName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp2fn</span> <span class='hs-varid'>new</span><span class='hs-layout'>)</span><span class='hs-varop'>++</span>
<a name="line-231"></a> <span class='hs-str'>" isn't known in working directory, did you forget to add it?"</span>
<a name="line-232"></a> <span class='hs-varid'>has_new</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>it_has</span> <span class='hs-varid'>cur</span>
<a name="line-233"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>has_new</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>already_exists</span> <span class='hs-str'>"repository"</span>
<a name="line-234"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>maybe_add_file_thats_been_moved</span>
<a name="line-235"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>it_has</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>treeHas_case</span> <span class='hs-layout'>(</span><span class='hs-varid'>modifyTree</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-varid'>floatPath</span> <span class='hs-varid'>old</span><span class='hs-layout'>)</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-varid'>new</span>
<a name="line-236"></a> <span class='hs-varid'>treeHas_case</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>doAllowCaseOnly</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>treeHas</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>treeHasAnycase</span>
<a name="line-237"></a> <span class='hs-varid'>already_exists</span> <span class='hs-varid'>what_slurpy</span> <span class='hs-keyglyph'>=</span>
<a name="line-238"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>doAllowCaseOnly</span> <span class='hs-varid'>opts</span>
<a name="line-239"></a> <span class='hs-keyword'>then</span> <span class='hs-str'>"A file or dir named "</span><span class='hs-varop'>++</span><span class='hs-varid'>new</span><span class='hs-varop'>++</span><span class='hs-str'>" already exists in "</span>
<a name="line-240"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>what_slurpy</span> <span class='hs-varop'>++</span> <span class='hs-str'>"."</span>
<a name="line-241"></a> <span class='hs-keyword'>else</span> <span class='hs-str'>"A file or dir named "</span><span class='hs-varop'>++</span><span class='hs-varid'>new</span><span class='hs-varop'>++</span><span class='hs-str'>" (or perhaps differing"</span><span class='hs-varop'>++</span>
<a name="line-242"></a> <span class='hs-str'>" only in case)\nalready exists in "</span><span class='hs-varop'>++</span>
<a name="line-243"></a> <span class='hs-varid'>what_slurpy</span> <span class='hs-varop'>++</span> <span class='hs-str'>".\n"</span><span class='hs-varop'>++</span>
<a name="line-244"></a> <span class='hs-str'>"Use --case-ok to allow files differing only in case."</span>
<a name="line-245"></a> <span class='hs-varid'>doesnt_exist</span> <span class='hs-varid'>what_slurpy</span> <span class='hs-keyglyph'>=</span>
<a name="line-246"></a> <span class='hs-str'>"There is no file or dir named "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>old</span> <span class='hs-varop'>++</span>
<a name="line-247"></a> <span class='hs-str'>" in the "</span><span class='hs-varop'>++</span> <span class='hs-varid'>what_slurpy</span> <span class='hs-varop'>++</span> <span class='hs-str'>"."</span>
<a name="line-248"></a>
<a name="line-249"></a><a name="moveFileOrDir"></a><span class='hs-definition'>moveFileOrDir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</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'>()</span>
<a name="line-250"></a><span class='hs-definition'>moveFileOrDir</span> <span class='hs-varid'>work</span> <span class='hs-varid'>old</span> <span class='hs-varid'>new</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-251"></a> <span class='hs-varid'>has_file</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHasFile</span> <span class='hs-varid'>work</span> <span class='hs-varid'>old</span>
<a name="line-252"></a> <span class='hs-varid'>has_dir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>treeHasDir</span> <span class='hs-varid'>work</span> <span class='hs-varid'>old</span>
<a name="line-253"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>has_file</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unwords</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"renameFile"</span><span class='hs-layout'>,</span><span class='hs-varid'>old</span><span class='hs-layout'>,</span><span class='hs-varid'>new</span><span class='hs-keyglyph'>]</span>
<a name="line-254"></a> <span class='hs-varid'>renameFile</span> <span class='hs-varid'>old</span> <span class='hs-varid'>new</span>
<a name="line-255"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>has_dir</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unwords</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"renameDirectory"</span><span class='hs-layout'>,</span><span class='hs-varid'>old</span><span class='hs-layout'>,</span><span class='hs-varid'>new</span><span class='hs-keyglyph'>]</span>
<a name="line-256"></a> <span class='hs-varid'>renameDirectory</span> <span class='hs-varid'>old</span> <span class='hs-varid'>new</span>
<a name="line-257"></a>
<a name="line-258"></a><a name="mv"></a><span class='hs-definition'>mv</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-259"></a><span class='hs-definition'>mv</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandAlias</span> <span class='hs-str'>"mv"</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>move</span>
<a name="line-260"></a>
</pre></body>
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