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<title>src/Darcs/Commands/WhatsNew.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2002-2004 David Roundy</span>
<a name="line-2"></a><span class='hs-comment'>--</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-cpp'>#include "gadts.h"</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Commands</span><span class='hs-varop'>.</span><span class='hs-conid'>WhatsNew</span>
<a name="line-23"></a> <span class='hs-layout'>(</span>
<a name="line-24"></a> <span class='hs-varid'>whatsnew</span>
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>status</span>
<a name="line-26"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-27"></a>
<a name="line-28"></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-29"></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'>delete</span> <span class='hs-layout'>)</span>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Exit</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ExitCode</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>exitWith</span> <span class='hs-layout'>)</span>
<a name="line-31"></a>
<a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Storage</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashed</span><span class='hs-varop'>.</span><span class='hs-conid'>Tree</span><span class='hs-layout'>(</span> <span class='hs-conid'>Tree</span> <span class='hs-layout'>)</span>
<a name="line-33"></a>
<a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Arguments</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsFlag</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'>workingRepoDir</span><span class='hs-layout'>,</span> <span class='hs-varid'>lookforadds</span><span class='hs-layout'>,</span>
<a name="line-35"></a> <span class='hs-varid'>ignoretimes</span><span class='hs-layout'>,</span> <span class='hs-varid'>noskipBoring</span><span class='hs-layout'>,</span> <span class='hs-varid'>unified</span><span class='hs-layout'>,</span> <span class='hs-varid'>summary</span><span class='hs-layout'>,</span>
<a name="line-36"></a> <span class='hs-varid'>fixSubPaths</span><span class='hs-layout'>,</span> <span class='hs-varid'>listRegisteredFiles</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'>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-38"></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-varop'>.</span><span class='hs-conid'>Util</span> <span class='hs-layout'>(</span> <span class='hs-varid'>announceFiles</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'>Diff</span><span class='hs-layout'>(</span> <span class='hs-varid'>treeDiff</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'>Flags</span><span class='hs-layout'>(</span> <span class='hs-varid'>isUnified</span><span class='hs-layout'>,</span> <span class='hs-varid'>diffingOpts</span> <span class='hs-layout'>)</span>
<a name="line-41"></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> <span class='hs-conid'>PrimOf</span><span class='hs-layout'>,</span> <span class='hs-varid'>plainSummaryPrims</span><span class='hs-layout'>,</span>
<a name="line-42"></a> <span class='hs-varid'>primIsHunk</span><span class='hs-layout'>,</span> <span class='hs-varid'>applyToTree</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'>Apply</span><span class='hs-layout'>(</span> <span class='hs-conid'>ApplyState</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'>Format</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PatchListFormat</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</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'>FileHunk</span> <span class='hs-layout'>(</span> <span class='hs-conid'>IsHunk</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</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'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Patchy</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Patchy</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'>Permutations</span> <span class='hs-layout'>(</span> <span class='hs-varid'>partitionRL</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'>Prim</span><span class='hs-varop'>.</span><span class='hs-conid'>Class</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PrimDetails</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</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'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>TouchesFiles</span><span class='hs-layout'>(</span> <span class='hs-varid'>choosePreTouching</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'>RepoPath</span><span class='hs-layout'>(</span> <span class='hs-conid'>SubPath</span><span class='hs-layout'>,</span> <span class='hs-varid'>toFilePath</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'>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>
<a name="line-52"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>amInRepository</span>
<a name="line-53"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unrecordedChanges</span><span class='hs-layout'>,</span> <span class='hs-varid'>readRecorded</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'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Prefs</span> <span class='hs-layout'>(</span> <span class='hs-varid'>filetypeFunction</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'>PrintPatch</span> <span class='hs-layout'>(</span> <span class='hs-varid'>printPatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>contextualPrintPatch</span> <span class='hs-layout'>)</span>
<a name="line-56"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Ordered</span> <span class='hs-layout'>(</span> <span class='hs-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'>reverseRL</span><span class='hs-layout'>,</span> <span class='hs-varid'>reverseFL</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-57"></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'>unFreeLeft</span> <span class='hs-layout'>)</span>
<a name="line-58"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Printer</span> <span class='hs-layout'>(</span> <span class='hs-varid'>putDocLn</span><span class='hs-layout'>,</span> <span class='hs-varid'>renderString</span><span class='hs-layout'>,</span> <span class='hs-varid'>vcat</span><span class='hs-layout'>,</span> <span class='hs-varid'>text</span> <span class='hs-layout'>)</span>
<a name="line-59"></a>
<a name="line-60"></a><a name="whatsnew"></a><span class='hs-definition'>whatsnew</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-61"></a><span class='hs-definition'>whatsnew</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>
<a name="line-62"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"whatsnew"</span>
<a name="line-63"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whatsnewHelp</span>
<a name="line-64"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whatsnewDescription</span>
<a name="line-65"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandExtraArgs</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>-</span><span class='hs-num'>1</span>
<a name="line-66"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandExtraArgHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"[FILE or DIRECTORY]..."</span><span class='hs-keyglyph'>]</span>
<a name="line-67"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandCommand</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whatsnewCmd</span>
<a name="line-68"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandPrereq</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>amInRepository</span>
<a name="line-69"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandGetArgPossibilities</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>listRegisteredFiles</span>
<a name="line-70"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandArgdefaults</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>nodefaults</span>
<a name="line-71"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandAdvancedOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>ignoretimes</span><span class='hs-layout'>,</span> <span class='hs-varid'>noskipBoring</span><span class='hs-keyglyph'>]</span>
<a name="line-72"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandBasicOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>summary</span>
<a name="line-73"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>unified</span>
<a name="line-74"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>lookforadds</span>
<a name="line-75"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>workingRepoDir</span>
<a name="line-76"></a> <span class='hs-keyglyph'>]</span>
<a name="line-77"></a> <span class='hs-layout'>}</span>
<a name="line-78"></a>
<a name="line-79"></a><a name="whatsnewDescription"></a><span class='hs-definition'>whatsnewDescription</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-80"></a><span class='hs-definition'>whatsnewDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"List unrecorded changes in the working tree."</span>
<a name="line-81"></a>
<a name="line-82"></a><a name="whatsnewHelp"></a><span class='hs-definition'>whatsnewHelp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-83"></a><span class='hs-definition'>whatsnewHelp</span> <span class='hs-keyglyph'>=</span>
<a name="line-84"></a> <span class='hs-str'>"The `darcs whatsnew' command lists unrecorded changes to the working\n"</span> <span class='hs-varop'>++</span>
<a name="line-85"></a> <span class='hs-str'>"tree. If you specify a set of files and directories, only unrecorded\n"</span> <span class='hs-varop'>++</span>
<a name="line-86"></a> <span class='hs-str'>"changes to those files and directories are listed.\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'>"With the --summary option, the changes are condensed to one line per\n"</span> <span class='hs-varop'>++</span>
<a name="line-89"></a> <span class='hs-str'>"file, with mnemonics to indicate the nature and extent of the change.\n"</span> <span class='hs-varop'>++</span>
<a name="line-90"></a> <span class='hs-str'>"The --look-for-adds option causes candidates for `darcs add' to be\n"</span> <span class='hs-varop'>++</span>
<a name="line-91"></a> <span class='hs-str'>"included in the summary output. Summary mnemonics are as follows:\n"</span> <span class='hs-varop'>++</span>
<a name="line-92"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-93"></a> <span class='hs-str'>" `A f' and `A d/' respectively mean an added file or directory.\n"</span> <span class='hs-varop'>++</span>
<a name="line-94"></a> <span class='hs-str'>" `R f' and `R d/' respectively mean a removed file or directory.\n"</span> <span class='hs-varop'>++</span>
<a name="line-95"></a> <span class='hs-str'>" `M f -N +M rP' means a modified file, with N lines deleted, M\n"</span> <span class='hs-varop'>++</span>
<a name="line-96"></a> <span class='hs-str'>" lines added, and P lexical replacements.\n"</span> <span class='hs-varop'>++</span>
<a name="line-97"></a> <span class='hs-str'>" `f -> g' means a moved file or directory.\n"</span> <span class='hs-varop'>++</span>
<a name="line-98"></a> <span class='hs-str'>" `a f' and `a d/' respectively mean a new, but unadded, file or\n"</span> <span class='hs-varop'>++</span>
<a name="line-99"></a> <span class='hs-str'>" directory, when using --look-for-adds.\n"</span> <span class='hs-varop'>++</span>
<a name="line-100"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-101"></a> <span class='hs-str'>" An exclamation mark (!) as in `R! foo.c', means the hunk is known to\n"</span> <span class='hs-varop'>++</span>
<a name="line-102"></a> <span class='hs-str'>" conflict with a hunk in another patch. The phrase `duplicated'\n"</span> <span class='hs-varop'>++</span>
<a name="line-103"></a> <span class='hs-str'>" means the hunk is known to be identical to a hunk in another patch.\n"</span> <span class='hs-varop'>++</span>
<a name="line-104"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-105"></a> <span class='hs-str'>"By default, `darcs whatsnew' uses Darcs' internal format for changes.\n"</span> <span class='hs-varop'>++</span>
<a name="line-106"></a> <span class='hs-str'>"To see some context (unchanged lines) around each change, use the\n"</span> <span class='hs-varop'>++</span>
<a name="line-107"></a> <span class='hs-str'>"--unified option. To view changes in conventional `diff' format, use\n"</span> <span class='hs-varop'>++</span>
<a name="line-108"></a> <span class='hs-str'>"the `darcs diff' command; but note that `darcs whatsnew' is faster.\n"</span> <span class='hs-varop'>++</span>
<a name="line-109"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-110"></a> <span class='hs-str'>"This command exits unsuccessfully (returns a non-zero exit status) if\n"</span> <span class='hs-varop'>++</span>
<a name="line-111"></a> <span class='hs-str'>"there are no unrecorded changes.\n"</span>
<a name="line-112"></a>
<a name="line-113"></a><a name="whatsnewCmd"></a><span class='hs-definition'>whatsnewCmd</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-114"></a><span class='hs-definition'>whatsnewCmd</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>args</span> <span class='hs-keyglyph'>=</span>
<a name="line-115"></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'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>repo</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-116"></a> <span class='hs-varid'>files</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>args</span>
<a name="line-117"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-118"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>Just</span> <span class='hs-varop'><$></span> <span class='hs-varid'>fixSubPaths</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>args</span>
<a name="line-119"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>isLookForAdds</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>LookForAdds</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>&&</span> <span class='hs-conid'>NoSummary</span> <span class='hs-varop'>`notElem`</span> <span class='hs-varid'>opts</span>
<a name="line-120"></a> <span class='hs-comment'>-- LookForAdds implies Summary, unless it's explcitly disabled.</span>
<a name="line-121"></a> <span class='hs-varid'>optsModifier</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isLookForAdds</span>
<a name="line-122"></a> <span class='hs-keyword'>then</span> <span class='hs-layout'>(</span><span class='hs-conid'>Summary</span> <span class='hs-conop'>:</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-conid'>LookForAdds</span> <span class='hs-varop'>`delete`</span><span class='hs-layout'>)</span>
<a name="line-123"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>id</span>
<a name="line-124"></a> <span class='hs-varid'>opts'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>optsModifier</span> <span class='hs-varid'>opts</span>
<a name="line-125"></a> <span class='hs-conid'>Sealed</span> <span class='hs-varid'>noLookChanges</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>filteredUnrecordedChanges</span> <span class='hs-varid'>opts'</span> <span class='hs-varid'>repo</span> <span class='hs-varid'>files</span>
<a name="line-126"></a> <span class='hs-varid'>pristine</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readRecorded</span> <span class='hs-varid'>repo</span>
<a name="line-127"></a> <span class='hs-comment'>-- If we are looking for adds, return the corresponding FL of changes.</span>
<a name="line-128"></a> <span class='hs-conid'>Sealed</span> <span class='hs-varid'>unaddedNewPathsPs</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isLookForAdds</span>
<a name="line-129"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
<a name="line-130"></a> <span class='hs-comment'>-- Use opts not opts', here, since we *do* want to look for adds.</span>
<a name="line-131"></a> <span class='hs-conid'>Sealed</span> <span class='hs-varid'>lookChanges</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>filteredUnrecordedChanges</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>repo</span> <span class='hs-varid'>files</span>
<a name="line-132"></a> <span class='hs-varid'>noLookAddsTree</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>applyAddPatchesToPristine</span> <span class='hs-varid'>noLookChanges</span> <span class='hs-varid'>pristine</span>
<a name="line-133"></a> <span class='hs-varid'>lookAddsTree</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>applyAddPatchesToPristine</span> <span class='hs-varid'>lookChanges</span> <span class='hs-varid'>pristine</span>
<a name="line-134"></a> <span class='hs-varid'>ftf</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>filetypeFunction</span>
<a name="line-135"></a> <span class='hs-comment'>-- Return the patches that create files/dirs that aren't yet added.</span>
<a name="line-136"></a> <span class='hs-varid'>unFreeLeft</span> <span class='hs-varop'><$></span> <span class='hs-varid'>treeDiff</span> <span class='hs-varid'>ftf</span> <span class='hs-varid'>noLookAddsTree</span> <span class='hs-varid'>lookAddsTree</span>
<a name="line-137"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span>
<a name="line-138"></a> <span class='hs-varid'>announceFiles</span> <span class='hs-varid'>files</span> <span class='hs-str'>"What's new in"</span>
<a name="line-139"></a> <span class='hs-varid'>exitOnNoChanges</span> <span class='hs-layout'>(</span><span class='hs-varid'>unaddedNewPathsPs</span><span class='hs-layout'>,</span> <span class='hs-varid'>noLookChanges</span><span class='hs-layout'>)</span>
<a name="line-140"></a> <span class='hs-varid'>printChanges</span> <span class='hs-varid'>opts'</span> <span class='hs-varid'>pristine</span> <span class='hs-varid'>noLookChanges</span>
<a name="line-141"></a> <span class='hs-varid'>printUnaddedPaths</span> <span class='hs-varid'>unaddedNewPathsPs</span>
<a name="line-142"></a> <span class='hs-keyword'>where</span>
<a name="line-143"></a> <span class='hs-comment'>-- |Filter out hunk patches (leaving add patches) and return the tree</span>
<a name="line-144"></a> <span class='hs-comment'>-- resulting from applying the filtered patches to the pristine tree.</span>
<a name="line-145"></a> <span class='hs-varid'>applyAddPatchesToPristine</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>pristine</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-146"></a> <span class='hs-varid'>adds</span> <span class='hs-conop'>:></span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>partitionRL</span> <span class='hs-varid'>primIsHunk</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverseFL</span> <span class='hs-varid'>ps</span>
<a name="line-147"></a> <span class='hs-varid'>applyToTree</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverseRL</span> <span class='hs-varid'>adds</span><span class='hs-layout'>)</span> <span class='hs-varid'>pristine</span>
<a name="line-148"></a>
<a name="line-149"></a> <span class='hs-varid'>exitOnNoChanges</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>u</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-150"></a> <span class='hs-varid'>exitOnNoChanges</span> <span class='hs-layout'>(</span><span class='hs-conid'>NilFL</span><span class='hs-layout'>,</span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"No changes!"</span>
<a name="line-151"></a> <span class='hs-varid'>exitWith</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ExitFailure</span> <span class='hs-num'>1</span>
<a name="line-152"></a> <span class='hs-varid'>exitOnNoChanges</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-153"></a>
<a name="line-154"></a> <span class='hs-varid'>printUnaddedPaths</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PrimPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-155"></a> <span class='hs-varid'>printUnaddedPaths</span> <span class='hs-conid'>NilFL</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-156"></a> <span class='hs-varid'>printUnaddedPaths</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span>
<a name="line-157"></a> <span class='hs-varid'>putDocLn</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lowercaseAs</span> <span class='hs-varop'>.</span> <span class='hs-varid'>renderString</span> <span class='hs-varop'>.</span> <span class='hs-varid'>plainSummaryPrims</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ps</span>
<a name="line-158"></a>
<a name="line-159"></a> <span class='hs-comment'>-- Make any add markers lowercase, to distinguish new-but-unadded files</span>
<a name="line-160"></a> <span class='hs-comment'>-- from those that are unrecorded, but added.</span>
<a name="line-161"></a> <span class='hs-varid'>lowercaseAs</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>vcat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lowercaseA</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lines</span> <span class='hs-varid'>x</span>
<a name="line-162"></a> <span class='hs-varid'>lowercaseA</span> <span class='hs-layout'>(</span><span class='hs-chr'>'A'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'a'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>x</span>
<a name="line-163"></a> <span class='hs-varid'>lowercaseA</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-164"></a>
<a name="line-165"></a> <span class='hs-comment'>-- |Appropriately print changes, according to the passed flags.</span>
<a name="line-166"></a> <span class='hs-varid'>printChanges</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>PatchListFormat</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>IsHunk</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Patchy</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimDetails</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span>
<a name="line-167"></a> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-168"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-169"></a> <span class='hs-varid'>printChanges</span> <span class='hs-varid'>opts'</span> <span class='hs-varid'>pristine</span> <span class='hs-varid'>changes</span>
<a name="line-170"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Summary</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>putDocLn</span> <span class='hs-varop'>$</span> <span class='hs-varid'>plainSummaryPrims</span> <span class='hs-varid'>changes</span>
<a name="line-171"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isUnified</span> <span class='hs-varid'>opts'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>contextualPrintPatch</span> <span class='hs-varid'>pristine</span> <span class='hs-varid'>changes</span>
<a name="line-172"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printPatch</span> <span class='hs-varid'>changes</span>
<a name="line-173"></a>
<a name="line-174"></a> <span class='hs-comment'>-- |return the unrecorded changes that affect an optional list of paths.</span>
<a name="line-175"></a> <span class='hs-varid'>filteredUnrecordedChanges</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-176"></a> <span class='hs-conid'>ApplyState</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span>
<a name="line-177"></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-conid'>Maybe</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SubPath</span><span class='hs-keyglyph'>]</span>
<a name="line-178"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-179"></a> <span class='hs-varid'>filteredUnrecordedChanges</span> <span class='hs-varid'>opts'</span> <span class='hs-varid'>repo</span> <span class='hs-varid'>files</span> <span class='hs-keyglyph'>=</span>
<a name="line-180"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>filePaths</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>toFilePath</span> <span class='hs-varop'><$></span> <span class='hs-varid'>files</span> <span class='hs-keyword'>in</span>
<a name="line-181"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>diffOpts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>diffingOpts</span> <span class='hs-varid'>opts'</span> <span class='hs-keyword'>in</span>
<a name="line-182"></a> <span class='hs-varid'>choosePreTouching</span> <span class='hs-varid'>filePaths</span> <span class='hs-varop'><$></span> <span class='hs-varid'>unrecordedChanges</span> <span class='hs-varid'>diffOpts</span> <span class='hs-varid'>repo</span> <span class='hs-varid'>files</span>
<a name="line-183"></a>
<a name="line-184"></a><a name="status"></a><span class='hs-comment'>-- |status is an alias for whatsnew, with implicit Summary and LookForAdds</span>
<a name="line-185"></a><span class='hs-comment'>-- flags. We override the default description, to include the implicit flags.</span>
<a name="line-186"></a><span class='hs-definition'>status</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-187"></a><span class='hs-definition'>status</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>statusAlias</span> <span class='hs-layout'>{</span> <span class='hs-varid'>commandCommand</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>statusCmd</span>
<a name="line-188"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>statusDesc</span>
<a name="line-189"></a> <span class='hs-layout'>}</span>
<a name="line-190"></a> <span class='hs-keyword'>where</span>
<a name="line-191"></a> <span class='hs-varid'>statusAlias</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandAlias</span> <span class='hs-str'>"status"</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>whatsnew</span>
<a name="line-192"></a> <span class='hs-varid'>statusCmd</span> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandCommand</span> <span class='hs-varid'>whatsnew</span> <span class='hs-layout'>(</span><span class='hs-conid'>Summary</span> <span class='hs-conop'>:</span> <span class='hs-conid'>LookForAdds</span> <span class='hs-conop'>:</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span>
<a name="line-193"></a> <span class='hs-varid'>statusDesc</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Alias for `darcs "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>commandName</span> <span class='hs-varid'>whatsnew</span> <span class='hs-varop'>++</span> <span class='hs-str'>" -ls '."</span>
</pre></body>
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