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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2002,2003,2005 David Roundy</span>
<a name="line-2"></a><span class='hs-comment'>--</span>
<a name="line-3"></a><span class='hs-comment'>-- This program is free software; you can redistribute it and/or modify</span>
<a name="line-4"></a><span class='hs-comment'>-- it under the terms of the GNU General Public License as published by</span>
<a name="line-5"></a><span class='hs-comment'>-- the Free Software Foundation; either version 2, or (at your option)</span>
<a name="line-6"></a><span class='hs-comment'>-- any later version.</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- This program is distributed in the hope that it will be useful,</span>
<a name="line-9"></a><span class='hs-comment'>-- but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="line-10"></a><span class='hs-comment'>-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="line-11"></a><span class='hs-comment'>-- GNU General Public License for more details.</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- You should have received a copy of the GNU General Public License</span>
<a name="line-14"></a><span class='hs-comment'>-- along with this program; see the file COPYING. If not, write to</span>
<a name="line-15"></a><span class='hs-comment'>-- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="line-16"></a><span class='hs-comment'>-- Boston, MA 02110-1301, USA.</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-19"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>RunCommand</span> <span class='hs-layout'>(</span> <span class='hs-varid'>runTheCommand</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-20"></a>
<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'>Monad</span> <span class='hs-layout'>(</span> <span class='hs-varid'>unless</span><span class='hs-layout'>,</span> <span class='hs-varid'>when</span> <span class='hs-layout'>)</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Console</span><span class='hs-varop'>.</span><span class='hs-conid'>GetOpt</span><span class='hs-layout'>(</span> <span class='hs-conid'>ArgOrder</span><span class='hs-layout'>(</span> <span class='hs-conid'>Permute</span><span class='hs-layout'>,</span> <span class='hs-conid'>RequireOrder</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-23"></a> <span class='hs-conid'>OptDescr</span><span class='hs-layout'>(</span> <span class='hs-conid'>Option</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-24"></a> <span class='hs-varid'>getOpt</span> <span class='hs-layout'>)</span>
<a name="line-25"></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-conid'>ExitSuccess</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-26"></a>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>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>
<a name="line-28"></a> <span class='hs-varid'>help</span><span class='hs-layout'>,</span>
<a name="line-29"></a> <span class='hs-varid'>fixUrlFlag</span><span class='hs-layout'>,</span>
<a name="line-30"></a> <span class='hs-varid'>optionFromDarcsOption</span><span class='hs-layout'>,</span>
<a name="line-31"></a> <span class='hs-varid'>listOptions</span><span class='hs-layout'>,</span> <span class='hs-varid'>nubOptions</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'>ArgumentDefaults</span> <span class='hs-layout'>(</span> <span class='hs-varid'>getDefaultFlags</span> <span class='hs-layout'>)</span>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Commands</span> <span class='hs-layout'>(</span> <span class='hs-conid'>CommandArgs</span><span class='hs-layout'>(</span> <span class='hs-conid'>CommandOnly</span><span class='hs-layout'>,</span> <span class='hs-conid'>SuperCommandOnly</span><span class='hs-layout'>,</span> <span class='hs-conid'>SuperCommandSub</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-34"></a> <span class='hs-conid'>CommandControl</span><span class='hs-layout'>,</span>
<a name="line-35"></a> <span class='hs-conid'>DarcsCommand</span><span class='hs-layout'>,</span>
<a name="line-36"></a> <span class='hs-varid'>commandName</span><span class='hs-layout'>,</span>
<a name="line-37"></a> <span class='hs-varid'>commandCommand</span><span class='hs-layout'>,</span>
<a name="line-38"></a> <span class='hs-varid'>commandPrereq</span><span class='hs-layout'>,</span>
<a name="line-39"></a> <span class='hs-varid'>commandExtraArgHelp</span><span class='hs-layout'>,</span>
<a name="line-40"></a> <span class='hs-varid'>commandExtraArgs</span><span class='hs-layout'>,</span>
<a name="line-41"></a> <span class='hs-varid'>commandArgdefaults</span><span class='hs-layout'>,</span>
<a name="line-42"></a> <span class='hs-varid'>commandGetArgPossibilities</span><span class='hs-layout'>,</span>
<a name="line-43"></a> <span class='hs-varid'>commandOptions</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandAlloptions</span><span class='hs-layout'>,</span>
<a name="line-44"></a> <span class='hs-varid'>disambiguateCommands</span><span class='hs-layout'>,</span>
<a name="line-45"></a> <span class='hs-varid'>getCommandHelp</span><span class='hs-layout'>,</span> <span class='hs-varid'>getCommandMiniHelp</span><span class='hs-layout'>,</span>
<a name="line-46"></a> <span class='hs-varid'>getSubcommands</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-varid'>extractCommands</span><span class='hs-layout'>,</span>
<a name="line-48"></a> <span class='hs-varid'>superName</span><span class='hs-layout'>,</span>
<a name="line-49"></a> <span class='hs-varid'>subusage</span><span class='hs-layout'>,</span> <span class='hs-varid'>chompNewline</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'>Commands</span><span class='hs-varop'>.</span><span class='hs-conid'>GZCRCs</span> <span class='hs-layout'>(</span> <span class='hs-varid'>doCRCWarnings</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'>Global</span> <span class='hs-layout'>(</span> <span class='hs-varid'>atexit</span> <span class='hs-layout'>)</span>
<a name="line-52"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>External</span> <span class='hs-layout'>(</span> <span class='hs-varid'>viewDoc</span> <span class='hs-layout'>)</span>
<a name="line-53"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Global</span> <span class='hs-layout'>(</span> <span class='hs-varid'>setDebugMode</span><span class='hs-layout'>,</span> <span class='hs-varid'>setTimingsMode</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'>Match</span> <span class='hs-layout'>(</span> <span class='hs-varid'>checkMatchSyntax</span> <span class='hs-layout'>)</span>
<a name="line-55"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Progress</span> <span class='hs-layout'>(</span> <span class='hs-varid'>setProgressMode</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'>RepoPath</span> <span class='hs-layout'>(</span> <span class='hs-varid'>getCurrentDirectory</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'>Test</span> <span class='hs-layout'>(</span> <span class='hs-varid'>runPosthook</span><span class='hs-layout'>,</span> <span class='hs-varid'>runPrehook</span> <span class='hs-layout'>)</span>
<a name="line-58"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>formatPath</span> <span class='hs-layout'>)</span>
<a name="line-59"></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'>intercalate</span> <span class='hs-layout'>)</span>
<a name="line-60"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Printer</span> <span class='hs-layout'>(</span> <span class='hs-varid'>text</span> <span class='hs-layout'>)</span>
<a name="line-61"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>URL</span> <span class='hs-layout'>(</span> <span class='hs-varid'>setDebugHTTP</span><span class='hs-layout'>,</span> <span class='hs-varid'>disableHTTPPipelining</span> <span class='hs-layout'>)</span>
<a name="line-62"></a>
<a name="line-63"></a><a name="runTheCommand"></a><span class='hs-definition'>runTheCommand</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>CommandControl</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-64"></a><span class='hs-definition'>runTheCommand</span> <span class='hs-varid'>commandControlList</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>args</span> <span class='hs-keyglyph'>=</span>
<a name="line-65"></a> <span class='hs-varid'>either</span> <span class='hs-varid'>fail</span> <span class='hs-varid'>rtc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>disambiguateCommands</span> <span class='hs-varid'>commandControlList</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>args</span>
<a name="line-66"></a> <span class='hs-keyword'>where</span>
<a name="line-67"></a> <span class='hs-varid'>rtc</span> <span class='hs-layout'>(</span><span class='hs-conid'>CommandOnly</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runCommand</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>as</span>
<a name="line-68"></a> <span class='hs-varid'>rtc</span> <span class='hs-layout'>(</span><span class='hs-conid'>SuperCommandOnly</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runRawSupercommand</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>as</span>
<a name="line-69"></a> <span class='hs-varid'>rtc</span> <span class='hs-layout'>(</span><span class='hs-conid'>SuperCommandSub</span> <span class='hs-varid'>c</span> <span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runCommand</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>as</span>
<a name="line-70"></a>
<a name="line-71"></a><span class='hs-comment'>-- This is the actual heavy lifter code, which is responsible for parsing the</span>
<a name="line-72"></a><span class='hs-comment'>-- arguments and then running the command itself.</span>
<a name="line-73"></a>
<a name="line-74"></a><a name="runCommand"></a><span class='hs-definition'>runCommand</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DarcsCommand</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-75"></a>
<a name="line-76"></a><span class='hs-definition'>runCommand</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>args</span> <span class='hs-comment'>-- Check for "dangerous" typoes...</span>
<a name="line-77"></a> <span class='hs-keyglyph'>|</span> <span class='hs-str'>"-all"</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>args</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>-- -all indicates --all --look-for-adds!</span>
<a name="line-78"></a> <span class='hs-varid'>fail</span> <span class='hs-str'>"Are you sure you didn't mean --all rather than -all?"</span>
<a name="line-79"></a><span class='hs-definition'>runCommand</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>args</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-80"></a> <span class='hs-varid'>cwd</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getCurrentDirectory</span>
<a name="line-81"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>options</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>opts1</span> <span class='hs-varop'>++</span> <span class='hs-varid'>opts2</span>
<a name="line-82"></a> <span class='hs-layout'>(</span><span class='hs-varid'>opts1</span><span class='hs-layout'>,</span> <span class='hs-varid'>opts2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandOptions</span> <span class='hs-varid'>cwd</span> <span class='hs-varid'>cmd</span>
<a name="line-83"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>getOpt</span> <span class='hs-conid'>Permute</span>
<a name="line-84"></a> <span class='hs-layout'>(</span><span class='hs-varid'>optionFromDarcsOption</span> <span class='hs-varid'>cwd</span> <span class='hs-varid'>listOptions</span><span class='hs-varop'>++</span><span class='hs-varid'>options</span><span class='hs-layout'>)</span> <span class='hs-varid'>args</span> <span class='hs-keyword'>of</span>
<a name="line-85"></a> <span class='hs-layout'>(</span><span class='hs-varid'>opts</span><span class='hs-layout'>,</span><span class='hs-varid'>extra</span><span class='hs-layout'>,</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-86"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Help</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>viewDoc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getCommandHelp</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span>
<a name="line-87"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ListOptions</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-88"></a> <span class='hs-varid'>setProgressMode</span> <span class='hs-conid'>False</span>
<a name="line-89"></a><span class='hs-comment'>-- Warning: A do-notation statement discarded a result of type Either String ().</span>
<a name="line-90"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>commandPrereq</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>opts</span>
<a name="line-91"></a> <span class='hs-varid'>file_args</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>commandGetArgPossibilities</span> <span class='hs-varid'>cmd</span>
<a name="line-92"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getOptionsOptions</span> <span class='hs-layout'>(</span><span class='hs-varid'>opts1</span><span class='hs-varop'>++</span><span class='hs-varid'>opts2</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>file_args</span>
<a name="line-93"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>considerRunning</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span> <span class='hs-layout'>(</span><span class='hs-varid'>addVerboseIfDebug</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varid'>extra</span>
<a name="line-94"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>ermsgs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>chompNewline</span><span class='hs-layout'>(</span><span class='hs-varid'>unlines</span> <span class='hs-varid'>ermsgs</span><span class='hs-layout'>)</span>
<a name="line-95"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>addVerboseIfDebug</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DebugVerbose</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Debug</span><span class='hs-conop'>:</span><span class='hs-conid'>Verbose</span><span class='hs-conop'>:</span><span class='hs-varid'>opts</span>
<a name="line-96"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>opts</span>
<a name="line-97"></a>
<a name="line-98"></a><a name="considerRunning"></a><span class='hs-definition'>considerRunning</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-99"></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-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-100"></a><span class='hs-definition'>considerRunning</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>old_extra</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-101"></a> <span class='hs-varid'>cwd</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getCurrentDirectory</span>
<a name="line-102"></a> <span class='hs-varid'>location</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>commandPrereq</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>opts</span>
<a name="line-103"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>location</span> <span class='hs-keyword'>of</span>
<a name="line-104"></a> <span class='hs-conid'>Left</span> <span class='hs-varid'>complaint</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to "</span> <span class='hs-varop'>++</span>
<a name="line-105"></a> <span class='hs-varid'>formatPath</span> <span class='hs-layout'>(</span><span class='hs-str'>"darcs "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>superName</span> <span class='hs-varid'>msuper</span> <span class='hs-varop'>++</span> <span class='hs-varid'>commandName</span> <span class='hs-varid'>cmd</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-106"></a> <span class='hs-str'>" here.\n\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>complaint</span>
<a name="line-107"></a> <span class='hs-conid'>Right</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-108"></a> <span class='hs-varid'>specops</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>nubopts</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>addCommandDefaults</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>opts</span>
<a name="line-109"></a> <span class='hs-varid'>extra</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-varid'>commandArgdefaults</span> <span class='hs-varid'>cmd</span><span class='hs-layout'>)</span> <span class='hs-varid'>specops</span> <span class='hs-varid'>cwd</span> <span class='hs-varid'>old_extra</span>
<a name="line-110"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>Disable</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>specops</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-111"></a> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Command "</span><span class='hs-varop'>++</span><span class='hs-varid'>commandName</span> <span class='hs-varid'>cmd</span><span class='hs-varop'>++</span><span class='hs-str'>" disabled with --disable option!"</span>
<a name="line-112"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>extraArgumentsError</span> <span class='hs-varid'>extra</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>msuper</span> <span class='hs-keyword'>of</span>
<a name="line-113"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>runWithHooks</span> <span class='hs-varid'>specops</span> <span class='hs-varid'>extra</span>
<a name="line-114"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>msg</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varid'>msg</span>
<a name="line-115"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>nubopts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>nubOptions</span> <span class='hs-layout'>(</span><span class='hs-varid'>uncurry</span> <span class='hs-layout'>(</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>commandAlloptions</span> <span class='hs-varid'>cmd</span><span class='hs-layout'>)</span>
<a name="line-116"></a> <span class='hs-varid'>runWithHooks</span> <span class='hs-varid'>os</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-117"></a> <span class='hs-varid'>here</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getCurrentDirectory</span>
<a name="line-118"></a> <span class='hs-varid'>checkMatchSyntax</span> <span class='hs-varid'>os</span>
<a name="line-119"></a> <span class='hs-comment'>-- set any global variables</span>
<a name="line-120"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>Timings</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span> <span class='hs-varid'>setTimingsMode</span>
<a name="line-121"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>Debug</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span> <span class='hs-varid'>setDebugMode</span>
<a name="line-122"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>DebugHTTP</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span> <span class='hs-varid'>setDebugHTTP</span>
<a name="line-123"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>Quiet</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>setProgressMode</span> <span class='hs-conid'>False</span>
<a name="line-124"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>NoHTTPPipelining</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>disableHTTPPipelining</span>
<a name="line-125"></a> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-conid'>Quiet</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>atexit</span> <span class='hs-varop'>$</span> <span class='hs-varid'>doCRCWarnings</span> <span class='hs-layout'>(</span><span class='hs-conid'>Verbose</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span>
<a name="line-126"></a> <span class='hs-comment'>-- actually run the command and its hooks</span>
<a name="line-127"></a> <span class='hs-varid'>preHookExitCode</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>runPrehook</span> <span class='hs-varid'>os</span> <span class='hs-varid'>here</span>
<a name="line-128"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>preHookExitCode</span> <span class='hs-varop'>/=</span> <span class='hs-conid'>ExitSuccess</span>
<a name="line-129"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>exitWith</span> <span class='hs-varid'>preHookExitCode</span>
<a name="line-130"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>fixFlag</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FixFilePath</span> <span class='hs-varid'>here</span> <span class='hs-varid'>cwd</span>
<a name="line-131"></a> <span class='hs-varid'>fixedOs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>fixUrlFlag</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>fixFlag</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varid'>os</span>
<a name="line-132"></a> <span class='hs-layout'>(</span><span class='hs-varid'>commandCommand</span> <span class='hs-varid'>cmd</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fixFlag</span> <span class='hs-conop'>:</span> <span class='hs-varid'>fixedOs</span><span class='hs-layout'>)</span> <span class='hs-varid'>ex</span>
<a name="line-133"></a> <span class='hs-varid'>postHookExitCode</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>runPosthook</span> <span class='hs-varid'>os</span> <span class='hs-varid'>here</span>
<a name="line-134"></a> <span class='hs-varid'>exitWith</span> <span class='hs-varid'>postHookExitCode</span>
<a name="line-135"></a>
<a name="line-136"></a><a name="extraArgumentsError"></a><span class='hs-comment'>-- Checks if the number of extra arguments matches the number of extra</span>
<a name="line-137"></a><span class='hs-comment'>-- arguments supported by the command as specified in `commandExtraArgs`.</span>
<a name="line-138"></a><span class='hs-comment'>-- Extra arguments are arguments that follow the command but aren't</span>
<a name="line-139"></a><span class='hs-comment'>-- considered a flag. In `darcs push xyz`, xyz would be an extra argument.</span>
<a name="line-140"></a><span class='hs-definition'>extraArgumentsError</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-comment'>-- extra commands provided by user</span>
<a name="line-141"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-142"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-143"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span>
<a name="line-144"></a><span class='hs-definition'>extraArgumentsError</span> <span class='hs-varid'>extra</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>msuper</span>
<a name="line-145"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>extraArgsCmd</span> <span class='hs-varop'><</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-146"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>extraArgsInput</span> <span class='hs-varop'>></span> <span class='hs-varid'>extraArgsCmd</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>badArg</span>
<a name="line-147"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>extraArgsInput</span> <span class='hs-varop'><</span> <span class='hs-varid'>extraArgsCmd</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>missingArg</span>
<a name="line-148"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-149"></a> <span class='hs-keyword'>where</span>
<a name="line-150"></a> <span class='hs-varid'>extraArgsInput</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>length</span> <span class='hs-varid'>extra</span>
<a name="line-151"></a> <span class='hs-varid'>extraArgsCmd</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandExtraArgs</span> <span class='hs-varid'>cmd</span>
<a name="line-152"></a> <span class='hs-varid'>badArg</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Bad argument: `"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>unwords</span> <span class='hs-varid'>extra</span> <span class='hs-varop'>++</span>
<a name="line-153"></a> <span class='hs-str'>"'\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>getCommandMiniHelp</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span>
<a name="line-154"></a> <span class='hs-varid'>missingArg</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Missing argument: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>nthArg</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>extra</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-155"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>getCommandMiniHelp</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span>
<a name="line-156"></a> <span class='hs-varid'>nthArg</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>nthOf</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-varid'>commandExtraArgHelp</span> <span class='hs-varid'>cmd</span><span class='hs-layout'>)</span>
<a name="line-157"></a> <span class='hs-varid'>nthOf</span> <span class='hs-num'>1</span> <span class='hs-layout'>(</span><span class='hs-varid'>h</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>h</span>
<a name="line-158"></a> <span class='hs-varid'>nthOf</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-varid'>hs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>nthOf</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>hs</span>
<a name="line-159"></a> <span class='hs-varid'>nthOf</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"UNDOCUMENTED"</span>
<a name="line-160"></a>
<a name="line-161"></a><a name="addCommandDefaults"></a><span class='hs-definition'>addCommandDefaults</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span>
<a name="line-162"></a><span class='hs-definition'>addCommandDefaults</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>already</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-163"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>opts1</span><span class='hs-layout'>,</span> <span class='hs-varid'>opts2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandAlloptions</span> <span class='hs-varid'>cmd</span>
<a name="line-164"></a> <span class='hs-varid'>defaults</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getDefaultFlags</span> <span class='hs-layout'>(</span><span class='hs-varid'>commandName</span> <span class='hs-varid'>cmd</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>opts1</span> <span class='hs-varop'>++</span> <span class='hs-varid'>opts2</span><span class='hs-layout'>)</span> <span class='hs-varid'>already</span>
<a name="line-165"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>already</span> <span class='hs-varop'>++</span> <span class='hs-varid'>defaults</span>
<a name="line-166"></a>
<a name="line-167"></a><a name="getOptionsOptions"></a><span class='hs-definition'>getOptionsOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OptDescr</span> <span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-168"></a><span class='hs-definition'>getOptionsOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>intercalate</span> <span class='hs-str'>"\n"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>goo</span>
<a name="line-169"></a> <span class='hs-keyword'>where</span>
<a name="line-170"></a> <span class='hs-varid'>goo</span> <span class='hs-layout'>(</span><span class='hs-conid'>Option</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>os</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-str'>"--"</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span> <span class='hs-varid'>os</span>
<a name="line-171"></a>
<a name="line-172"></a><a name="runRawSupercommand"></a><span class='hs-definition'>runRawSupercommand</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</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-173"></a><span class='hs-definition'>runRawSupercommand</span> <span class='hs-varid'>super</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span>
<a name="line-174"></a> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Command '"</span><span class='hs-varop'>++</span> <span class='hs-varid'>commandName</span> <span class='hs-varid'>super</span> <span class='hs-varop'>++</span><span class='hs-str'>"' requires subcommand!\n\n"</span>
<a name="line-175"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>subusage</span> <span class='hs-varid'>super</span>
<a name="line-176"></a><span class='hs-definition'>runRawSupercommand</span> <span class='hs-varid'>super</span> <span class='hs-varid'>args</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-177"></a> <span class='hs-varid'>cwd</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getCurrentDirectory</span>
<a name="line-178"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>getOpt</span> <span class='hs-conid'>RequireOrder</span>
<a name="line-179"></a> <span class='hs-layout'>(</span><span class='hs-varid'>optionFromDarcsOption</span> <span class='hs-varid'>cwd</span> <span class='hs-varid'>help</span><span class='hs-varop'>++</span>
<a name="line-180"></a> <span class='hs-varid'>optionFromDarcsOption</span> <span class='hs-varid'>cwd</span> <span class='hs-varid'>listOptions</span><span class='hs-layout'>)</span> <span class='hs-varid'>args</span> <span class='hs-keyword'>of</span>
<a name="line-181"></a> <span class='hs-layout'>(</span><span class='hs-varid'>opts</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-182"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Help</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>-></span>
<a name="line-183"></a> <span class='hs-varid'>viewDoc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getCommandHelp</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>super</span>
<a name="line-184"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ListOptions</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-185"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"--help"</span>
<a name="line-186"></a> <span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-varid'>putStrLn</span> <span class='hs-varop'>.</span> <span class='hs-varid'>commandName</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>extractCommands</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getSubcommands</span> <span class='hs-varid'>super</span><span class='hs-layout'>)</span>
<a name="line-187"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span>
<a name="line-188"></a> <span class='hs-keyword'>if</span> <span class='hs-conid'>Disable</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-189"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Command "</span> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-varid'>commandName</span> <span class='hs-varid'>super</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-190"></a> <span class='hs-str'>" disabled with --disable option!"</span>
<a name="line-191"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Invalid subcommand!\n\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>subusage</span> <span class='hs-varid'>super</span>
<a name="line-192"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>ermsgs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>chompNewline</span><span class='hs-layout'>(</span><span class='hs-varid'>unlines</span> <span class='hs-varid'>ermsgs</span><span class='hs-layout'>)</span>
</pre></body>
</html>
