<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ -->
<title>src/Darcs/Commands.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<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-keyword'>module</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'>CommandControl</span><span class='hs-layout'>(</span> <span class='hs-conid'>CommandData</span><span class='hs-layout'>,</span> <span class='hs-conid'>HiddenCommand</span><span class='hs-layout'>,</span> <span class='hs-conid'>GroupName</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-19"></a> <span class='hs-conid'>DarcsCommand</span><span class='hs-layout'>(</span> <span class='hs-conid'>DarcsCommand</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandProgramName</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandName</span><span class='hs-layout'>,</span>
<a name="line-20"></a> <span class='hs-varid'>commandHelp</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandDescription</span><span class='hs-layout'>,</span>
<a name="line-21"></a> <span class='hs-varid'>commandBasicOptions</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandAdvancedOptions</span><span class='hs-layout'>,</span>
<a name="line-22"></a> <span class='hs-varid'>commandCommand</span><span class='hs-layout'>,</span>
<a name="line-23"></a> <span class='hs-varid'>commandPrereq</span><span class='hs-layout'>,</span>
<a name="line-24"></a> <span class='hs-varid'>commandExtraArgHelp</span><span class='hs-layout'>,</span>
<a name="line-25"></a> <span class='hs-varid'>commandExtraArgs</span><span class='hs-layout'>,</span>
<a name="line-26"></a> <span class='hs-varid'>commandArgdefaults</span><span class='hs-layout'>,</span>
<a name="line-27"></a> <span class='hs-varid'>commandGetArgPossibilities</span><span class='hs-layout'>,</span>
<a name="line-28"></a> <span class='hs-conid'>SuperCommand</span><span class='hs-layout'>,</span>
<a name="line-29"></a> <span class='hs-varid'>commandSubCommands</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-30"></a> <span class='hs-varid'>commandAlias</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandStub</span><span class='hs-layout'>,</span>
<a name="line-31"></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-32"></a> <span class='hs-varid'>disambiguateCommands</span><span class='hs-layout'>,</span> <span class='hs-conid'>CommandArgs</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-33"></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-34"></a> <span class='hs-varid'>getSubcommands</span><span class='hs-layout'>,</span>
<a name="line-35"></a> <span class='hs-varid'>usage</span><span class='hs-layout'>,</span> <span class='hs-varid'>usageHelper</span><span class='hs-layout'>,</span> <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-36"></a> <span class='hs-varid'>extractCommands</span><span class='hs-layout'>,</span>
<a name="line-37"></a> <span class='hs-varid'>superName</span><span class='hs-layout'>,</span>
<a name="line-38"></a> <span class='hs-varid'>nodefaults</span><span class='hs-layout'>,</span>
<a name="line-39"></a> <span class='hs-varid'>putInfo</span><span class='hs-layout'>,</span> <span class='hs-varid'>putVerbose</span><span class='hs-layout'>,</span> <span class='hs-varid'>putWarning</span><span class='hs-layout'>,</span> <span class='hs-varid'>abortRun</span>
<a name="line-40"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-41"></a>
<a name="line-42"></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'>OptDescr</span><span class='hs-layout'>,</span> <span class='hs-varid'>usageInfo</span> <span class='hs-layout'>)</span>
<a name="line-43"></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>
<a name="line-44"></a>
<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'>sort</span><span class='hs-layout'>,</span> <span class='hs-varid'>isPrefixOf</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'>Arguments</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsFlag</span><span class='hs-layout'>(</span><span class='hs-conid'>Quiet</span><span class='hs-layout'>,</span><span class='hs-conid'>Verbose</span><span class='hs-layout'>,</span> <span class='hs-conid'>DryRun</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>DarcsOption</span><span class='hs-layout'>,</span> <span class='hs-varid'>disable</span><span class='hs-layout'>,</span> <span class='hs-varid'>help</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-varid'>anyVerbosity</span><span class='hs-layout'>,</span> <span class='hs-varid'>noCache</span><span class='hs-layout'>,</span> <span class='hs-varid'>posthookCmd</span><span class='hs-layout'>,</span> <span class='hs-varid'>posthookPrompt</span><span class='hs-layout'>,</span>
<a name="line-48"></a> <span class='hs-varid'>prehookCmd</span><span class='hs-layout'>,</span> <span class='hs-varid'>prehookPrompt</span><span class='hs-layout'>,</span> <span class='hs-varid'>optionFromDarcsOption</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'>RepoPath</span> <span class='hs-layout'>(</span> <span class='hs-conid'>AbsolutePath</span><span class='hs-layout'>,</span> <span class='hs-varid'>rootDirectory</span> <span class='hs-layout'>)</span>
<a name="line-50"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Printer</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Doc</span><span class='hs-layout'>,</span> <span class='hs-varid'>putDocLn</span><span class='hs-layout'>,</span> <span class='hs-varid'>hPutDocLn</span><span class='hs-layout'>,</span> <span class='hs-varid'>text</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'><+></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>errorDoc</span> <span class='hs-layout'>)</span>
<a name="line-51"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span> <span class='hs-varid'>stderr</span> <span class='hs-layout'>)</span>
<a name="line-52"></a>
<a name="line-53"></a><a name="extractCommands"></a><span class='hs-definition'>extractCommands</span><span class='hs-layout'>,</span> <span class='hs-varid'>extractHiddenCommands</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-keyglyph'>[</span><span class='hs-conid'>DarcsCommand</span><span class='hs-keyglyph'>]</span>
<a name="line-54"></a><span class='hs-definition'>extractCommands</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span> <span class='hs-layout'>{</span> <span class='hs-conid'>CommandData</span> <span class='hs-varid'>cmd_d</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>cmd_d</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>;</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-55"></a><a name="extractHiddenCommands"></a><span class='hs-definition'>extractHiddenCommands</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span> <span class='hs-layout'>{</span> <span class='hs-conid'>HiddenCommand</span> <span class='hs-varid'>cmd_d</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>cmd_d</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>;</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-56"></a>
<a name="line-57"></a><a name="CommandControl"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>CommandControl</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CommandData</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-58"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HiddenCommand</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-59"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>GroupName</span> <span class='hs-conid'>String</span>
<a name="line-60"></a>
<a name="line-61"></a><a name="DarcsCommand"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-keyglyph'>=</span>
<a name="line-62"></a> <span class='hs-conid'>DarcsCommand</span> <span class='hs-layout'>{</span><span class='hs-varid'>commandProgramName</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandName</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandHelp</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span><span class='hs-layout'>,</span>
<a name="line-63"></a> <span class='hs-varid'>commandExtraArgs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span>
<a name="line-64"></a> <span class='hs-varid'>commandExtraArgHelp</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-layout'>,</span>
<a name="line-65"></a> <span class='hs-varid'>commandCommand</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><span class='hs-layout'>,</span>
<a name="line-66"></a> <span class='hs-varid'>commandPrereq</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-67"></a> <span class='hs-varid'>commandGetArgPossibilities</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span>
<a name="line-68"></a> <span class='hs-varid'>commandArgdefaults</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'>AbsolutePath</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-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span>
<a name="line-69"></a> <span class='hs-varid'>commandBasicOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsOption</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span>
<a name="line-70"></a> <span class='hs-varid'>commandAdvancedOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsOption</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>}</span>
<a name="line-71"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SuperCommand</span> <span class='hs-layout'>{</span><span class='hs-varid'>commandProgramName</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandName</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandHelp</span><span class='hs-layout'>,</span> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span><span class='hs-layout'>,</span>
<a name="line-72"></a> <span class='hs-varid'>commandPrereq</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-73"></a> <span class='hs-varid'>commandSubCommands</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-layout'>}</span>
<a name="line-74"></a>
<a name="line-75"></a><a name="commandAlloptions"></a><span class='hs-definition'>commandAlloptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsOption</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsOption</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-76"></a><span class='hs-definition'>commandAlloptions</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-layout'>{</span> <span class='hs-varid'>commandBasicOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>opts1</span>
<a name="line-77"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandAdvancedOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>opts2</span> <span class='hs-layout'>}</span>
<a name="line-78"></a> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>opts1</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>disable</span><span class='hs-layout'>,</span> <span class='hs-varid'>help</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span>
<a name="line-79"></a> <span class='hs-varid'>anyVerbosity</span> <span class='hs-varop'>++</span> <span class='hs-varid'>opts2</span> <span class='hs-varop'>++</span>
<a name="line-80"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>noCache</span>
<a name="line-81"></a> <span class='hs-layout'>,</span><span class='hs-varid'>posthookCmd</span><span class='hs-layout'>,</span> <span class='hs-varid'>posthookPrompt</span>
<a name="line-82"></a> <span class='hs-layout'>,</span><span class='hs-varid'>prehookCmd</span><span class='hs-layout'>,</span> <span class='hs-varid'>prehookPrompt</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-83"></a>
<a name="line-84"></a><span class='hs-comment'>-- Supercommands cannot be disabled.</span>
<a name="line-85"></a><span class='hs-definition'>commandAlloptions</span> <span class='hs-conid'>SuperCommand</span> <span class='hs-layout'>{</span> <span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-varid'>help</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="commandOptions"></a><span class='hs-comment'>-- Obtain options suitable as input to</span>
<a name="line-88"></a><span class='hs-comment'>-- System.Console.Getopt, including the --disable option (which is</span>
<a name="line-89"></a><span class='hs-comment'>-- not listed explicitly in the DarcsCommand definitions).</span>
<a name="line-90"></a><span class='hs-definition'>commandOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AbsolutePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</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-layout'>,</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-layout'>)</span>
<a name="line-91"></a><span class='hs-definition'>commandOptions</span> <span class='hs-varid'>cwd</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>convert</span> <span class='hs-varid'>basic</span><span class='hs-layout'>,</span> <span class='hs-varid'>convert</span> <span class='hs-varid'>advanced</span><span class='hs-layout'>)</span>
<a name="line-92"></a> <span class='hs-keyword'>where</span> <span class='hs-layout'>(</span><span class='hs-varid'>basic</span><span class='hs-layout'>,</span> <span class='hs-varid'>advanced</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandAlloptions</span> <span class='hs-varid'>c</span>
<a name="line-93"></a> <span class='hs-varid'>convert</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>optionFromDarcsOption</span> <span class='hs-varid'>cwd</span><span class='hs-layout'>)</span>
<a name="line-94"></a>
<a name="line-95"></a><a name="nodefaults"></a><span class='hs-definition'>nodefaults</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'>AbsolutePath</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-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-96"></a><span class='hs-definition'>nodefaults</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>xs</span>
<a name="line-97"></a>
<a name="line-98"></a><a name="getSubcommands"></a><span class='hs-definition'>getSubcommands</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'>CommandControl</span><span class='hs-keyglyph'>]</span>
<a name="line-99"></a><span class='hs-definition'>getSubcommands</span> <span class='hs-varid'>c</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>SuperCommand</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandSubCommands</span> <span class='hs-varid'>c</span>
<a name="line-100"></a><span class='hs-definition'>getSubcommands</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-101"></a>
<a name="line-102"></a><a name="commandAlias"></a><span class='hs-definition'>commandAlias</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</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-conid'>DarcsCommand</span>
<a name="line-103"></a><span class='hs-definition'>commandAlias</span> <span class='hs-varid'>n</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span>
<a name="line-104"></a> <span class='hs-varid'>c</span> <span class='hs-layout'>{</span> <span class='hs-varid'>commandName</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span>
<a name="line-105"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Alias for `"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>commandProgramName</span> <span class='hs-varid'>c</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>cmdName</span> <span class='hs-varop'>++</span> <span class='hs-str'>"'."</span>
<a name="line-106"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"The `"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>commandProgramName</span> <span class='hs-varid'>c</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>"' command is an alias for "</span> <span class='hs-varop'>++</span>
<a name="line-107"></a> <span class='hs-str'>"`"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>commandProgramName</span> <span class='hs-varid'>c</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>cmdName</span> <span class='hs-varop'>++</span> <span class='hs-str'>"'.\n"</span> <span class='hs-varop'>++</span>
<a name="line-108"></a> <span class='hs-varid'>commandHelp</span> <span class='hs-varid'>c</span>
<a name="line-109"></a> <span class='hs-layout'>}</span>
<a name="line-110"></a> <span class='hs-keyword'>where</span>
<a name="line-111"></a> <span class='hs-varid'>cmdName</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unwords</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>commandName</span> <span class='hs-varop'>.</span> <span class='hs-varid'>maybe</span> <span class='hs-varid'>id</span> <span class='hs-layout'>(</span><span class='hs-conop'>:</span><span class='hs-layout'>)</span> <span class='hs-varid'>msuper</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>]</span>
<a name="line-112"></a>
<a name="line-113"></a><a name="commandStub"></a><span class='hs-definition'>commandStub</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-114"></a><span class='hs-definition'>commandStub</span> <span class='hs-varid'>n</span> <span class='hs-varid'>h</span> <span class='hs-varid'>d</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span>
<a name="line-115"></a> <span class='hs-varid'>c</span> <span class='hs-layout'>{</span> <span class='hs-varid'>commandName</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span>
<a name="line-116"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>h</span>
<a name="line-117"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>d</span>
<a name="line-118"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>commandCommand</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>putStr</span> <span class='hs-varid'>h</span>
<a name="line-119"></a> <span class='hs-layout'>}</span>
<a name="line-120"></a>
<a name="line-121"></a><a name="usage"></a><span class='hs-definition'>usage</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>
<a name="line-122"></a><span class='hs-definition'>usage</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Usage: darcs COMMAND ...\n\nCommands:\n"</span> <span class='hs-varop'>++</span>
<a name="line-123"></a> <span class='hs-varid'>usageHelper</span> <span class='hs-varid'>cs</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-124"></a> <span class='hs-str'>"Use 'darcs COMMAND --help' for help on a single command.\n"</span> <span class='hs-varop'>++</span>
<a name="line-125"></a> <span class='hs-str'>"Use 'darcs --version' to see the darcs version number.\n"</span> <span class='hs-varop'>++</span>
<a name="line-126"></a> <span class='hs-str'>"Use 'darcs --exact-version' to get the exact version of this darcs instance.\n"</span> <span class='hs-varop'>++</span>
<a name="line-127"></a> <span class='hs-str'>"Use 'darcs help patterns' for help on patch matching.\n"</span> <span class='hs-varop'>++</span>
<a name="line-128"></a> <span class='hs-str'>"Use 'darcs help environment' for help on environment variables.\n"</span> <span class='hs-varop'>++</span>
<a name="line-129"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-130"></a> <span class='hs-str'>"Check bug reports at http://bugs.darcs.net/\n"</span>
<a name="line-131"></a>
<a name="line-132"></a><a name="subusage"></a><span class='hs-definition'>subusage</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-133"></a><span class='hs-definition'>subusage</span> <span class='hs-varid'>super</span> <span class='hs-keyglyph'>=</span>
<a name="line-134"></a> <span class='hs-layout'>(</span><span class='hs-varid'>usageInfo</span>
<a name="line-135"></a> <span class='hs-layout'>(</span><span class='hs-str'>"Usage: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>commandProgramName</span> <span class='hs-varid'>super</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</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'>" SUBCOMMAND ... "</span> <span class='hs-varop'>++</span>
<a name="line-136"></a> <span class='hs-str'>"\n\n"</span><span class='hs-varop'>++</span> <span class='hs-varid'>commandDescription</span> <span class='hs-varid'>super</span><span class='hs-varop'>++</span>
<a name="line-137"></a> <span class='hs-str'>"\n\nSubcommands:\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>usageHelper</span> <span class='hs-layout'>(</span><span class='hs-varid'>getSubcommands</span> <span class='hs-varid'>super</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\nOptions:"</span><span class='hs-layout'>)</span>
<a name="line-138"></a> <span class='hs-layout'>(</span><span class='hs-varid'>optionFromDarcsOption</span> <span class='hs-varid'>rootDirectory</span> <span class='hs-varid'>help</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-139"></a> <span class='hs-varop'>++</span> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>commandHelp</span> <span class='hs-varid'>super</span>
<a name="line-140"></a>
<a name="line-141"></a><a name="usageHelper"></a><span class='hs-definition'>usageHelper</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>
<a name="line-142"></a><span class='hs-definition'>usageHelper</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-143"></a><span class='hs-definition'>usageHelper</span> <span class='hs-layout'>(</span><span class='hs-conid'>HiddenCommand</span> <span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>usageHelper</span> <span class='hs-varid'>cs</span>
<a name="line-144"></a><span class='hs-definition'>usageHelper</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>CommandData</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>" "</span><span class='hs-varop'>++</span><span class='hs-varid'>padSpaces</span> <span class='hs-layout'>(</span><span class='hs-varid'>commandName</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-num'>15</span> <span class='hs-varop'>++</span>
<a name="line-145"></a> <span class='hs-varid'>chompNewline</span> <span class='hs-layout'>(</span><span class='hs-varid'>commandDescription</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-varop'>++</span><span class='hs-str'>"\n"</span><span class='hs-varop'>++</span><span class='hs-varid'>usageHelper</span> <span class='hs-varid'>cs</span>
<a name="line-146"></a><span class='hs-definition'>usageHelper</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>GroupName</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>usageHelper</span> <span class='hs-varid'>cs</span>
<a name="line-147"></a>
<a name="line-148"></a><a name="chompNewline"></a><span class='hs-definition'>chompNewline</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-149"></a><span class='hs-definition'>chompNewline</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-150"></a><span class='hs-definition'>chompNewline</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>last</span> <span class='hs-varid'>s</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'\n'</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>init</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>s</span>
<a name="line-151"></a>
<a name="line-152"></a><a name="padSpaces"></a><span class='hs-definition'>padSpaces</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-153"></a><span class='hs-definition'>padSpaces</span> <span class='hs-varid'>s</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s</span> <span class='hs-varop'>++</span> <span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-varid'>length</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-chr'>' '</span>
<a name="line-154"></a>
<a name="line-155"></a><a name="superName"></a><span class='hs-definition'>superName</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'>String</span>
<a name="line-156"></a><span class='hs-definition'>superName</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-157"></a><span class='hs-definition'>superName</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandName</span> <span class='hs-varid'>x</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span>
<a name="line-158"></a>
<a name="line-159"></a><a name="getCommandMiniHelp"></a><span class='hs-definition'>getCommandMiniHelp</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-conid'>String</span>
<a name="line-160"></a><span class='hs-definition'>getCommandMiniHelp</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span> <span class='hs-keyglyph'>=</span>
<a name="line-161"></a> <span class='hs-varid'>getCommandHelpCore</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span> <span class='hs-varop'>++</span>
<a name="line-162"></a> <span class='hs-str'>"\n\nSee "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>commandProgramName</span> <span class='hs-varid'>cmd</span> <span class='hs-varop'>++</span> <span class='hs-str'>" help "</span>
<a name="line-163"></a> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-varid'>maybe</span> <span class='hs-str'>""</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>commandName</span> <span class='hs-varid'>c</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span><span class='hs-layout'>)</span> <span class='hs-varid'>msuper</span><span class='hs-layout'>)</span>
<a name="line-164"></a> <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'>" for details."</span>
<a name="line-165"></a>
<a name="line-166"></a><a name="getCommandHelp"></a><span class='hs-definition'>getCommandHelp</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-conid'>String</span>
<a name="line-167"></a><span class='hs-definition'>getCommandHelp</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span> <span class='hs-keyglyph'>=</span>
<a name="line-168"></a> <span class='hs-varid'>unlines</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>basicR</span><span class='hs-layout'>)</span>
<a name="line-169"></a> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>advanced</span> <span class='hs-keyword'>then</span> <span class='hs-str'>""</span>
<a name="line-170"></a> <span class='hs-keyword'>else</span> <span class='hs-str'>"\nAdvanced options:\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>unlines</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>advancedR</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-171"></a> <span class='hs-varop'>++</span> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>commandHelp</span> <span class='hs-varid'>cmd</span>
<a name="line-172"></a> <span class='hs-keyword'>where</span> <span class='hs-comment'>-- we could just call usageInfo twice, but then the advanced</span>
<a name="line-173"></a> <span class='hs-comment'>-- options might not line up with the basic ones (no short flags)</span>
<a name="line-174"></a> <span class='hs-layout'>(</span><span class='hs-varid'>advancedR</span><span class='hs-layout'>,</span> <span class='hs-varid'>basicR</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-175"></a> <span class='hs-varid'>splitAt</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>advanced</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lines</span> <span class='hs-varid'>combinedUsage</span>
<a name="line-176"></a> <span class='hs-varid'>combinedUsage</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>usageInfo</span>
<a name="line-177"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getCommandHelpCore</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span> <span class='hs-varop'>++</span> <span class='hs-varid'>subcommands</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\n\nOptions:"</span><span class='hs-layout'>)</span>
<a name="line-178"></a> <span class='hs-layout'>(</span><span class='hs-varid'>basic</span> <span class='hs-varop'>++</span> <span class='hs-varid'>advanced</span><span class='hs-layout'>)</span>
<a name="line-179"></a> <span class='hs-layout'>(</span><span class='hs-varid'>basic</span><span class='hs-layout'>,</span> <span class='hs-varid'>advanced</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commandOptions</span> <span class='hs-varid'>rootDirectory</span> <span class='hs-varid'>cmd</span>
<a name="line-180"></a> <span class='hs-varid'>subcommands</span> <span class='hs-keyglyph'>=</span>
<a name="line-181"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>msuper</span> <span class='hs-keyword'>of</span>
<a name="line-182"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>getSubcommands</span> <span class='hs-varid'>cmd</span> <span class='hs-keyword'>of</span>
<a name="line-183"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span>
<a name="line-184"></a> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"\n\nSubcommands:\n"</span> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-varid'>usageHelper</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-185"></a> <span class='hs-comment'>-- we don't want to list subcommands if we're already specifying them</span>
<a name="line-186"></a> <span class='hs-conid'>Just</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>""</span>
<a name="line-187"></a>
<a name="line-188"></a><a name="getCommandHelpCore"></a><span class='hs-definition'>getCommandHelpCore</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-conid'>String</span>
<a name="line-189"></a><span class='hs-definition'>getCommandHelpCore</span> <span class='hs-varid'>msuper</span> <span class='hs-varid'>cmd</span> <span class='hs-keyglyph'>=</span>
<a name="line-190"></a> <span class='hs-str'>"Usage: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>commandProgramName</span> <span class='hs-varid'>cmd</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</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-varop'>++</span>
<a name="line-191"></a> <span class='hs-str'>" [OPTION]... "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>unwords</span> <span class='hs-varid'>args_help</span> <span class='hs-varop'>++</span>
<a name="line-192"></a> <span class='hs-str'>"\n"</span><span class='hs-varop'>++</span> <span class='hs-varid'>commandDescription</span> <span class='hs-varid'>cmd</span>
<a name="line-193"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>args_help</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>cmd</span> <span class='hs-keyword'>of</span>
<a name="line-194"></a> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsCommand</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-195"></a> <span class='hs-varid'>commandExtraArgHelp</span> <span class='hs-varid'>cmd</span>
<a name="line-196"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span>
<a name="line-197"></a>
<a name="line-198"></a><a name="CommandArgs"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>CommandArgs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CommandOnly</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-199"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SuperCommandOnly</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-200"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SuperCommandSub</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-201"></a>
<a name="line-202"></a><a name="disambiguateCommands"></a><span class='hs-comment'>-- Parses a darcs command line with potentially abbreviated commands</span>
<a name="line-203"></a><span class='hs-definition'>disambiguateCommands</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>
<a name="line-204"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>CommandArgs</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-205"></a><span class='hs-definition'>disambiguateCommands</span> <span class='hs-varid'>allcs</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>args</span> <span class='hs-keyglyph'>=</span>
<a name="line-206"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>extract</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>allcs</span>
<a name="line-207"></a> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>getSubcommands</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-208"></a> <span class='hs-layout'>(</span><span class='hs-conid'>[]</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'>return</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-varid'>args</span><span class='hs-layout'>)</span>
<a name="line-209"></a> <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> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</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-varid'>args</span><span class='hs-layout'>)</span>
<a name="line-210"></a> <span class='hs-layout'>(</span><span class='hs-varid'>subcs</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-keyword'>as</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>extract</span> <span class='hs-varid'>a</span> <span class='hs-varid'>subcs</span> <span class='hs-keyword'>of</span>
<a name="line-211"></a> <span class='hs-conid'>Left</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</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-varid'>args</span><span class='hs-layout'>)</span>
<a name="line-212"></a> <span class='hs-conid'>Right</span> <span class='hs-varid'>sc</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>SuperCommandSub</span> <span class='hs-varid'>c</span> <span class='hs-varid'>sc</span><span class='hs-layout'>,</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span>
<a name="line-213"></a>
<a name="line-214"></a><a name="extract"></a><span class='hs-definition'>extract</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'>CommandControl</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-215"></a><span class='hs-definition'>extract</span> <span class='hs-varid'>cmd</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span>
<a name="line-216"></a> <span class='hs-keyword'>case</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>extractCommands</span> <span class='hs-varid'>cs</span><span class='hs-layout'>,</span> <span class='hs-varid'>cmd</span> <span class='hs-varop'>`isPrefixOf`</span> <span class='hs-varid'>commandName</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span>
<a name="line-217"></a> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>extractHiddenCommands</span> <span class='hs-varid'>cs</span><span class='hs-layout'>,</span> <span class='hs-varid'>cmd</span> <span class='hs-varop'>==</span> <span class='hs-varid'>commandName</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>]</span> <span class='hs-keyword'>of</span>
<a name="line-218"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Left</span> <span class='hs-varop'>$</span> <span class='hs-str'>"No such command '"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>cmd</span> <span class='hs-varop'>++</span> <span class='hs-str'>"'\n"</span>
<a name="line-219"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Right</span> <span class='hs-varid'>c</span>
<a name="line-220"></a> <span class='hs-varid'>cs'</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Left</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Ambiguous command...\n\n"</span> <span class='hs-varop'>++</span>
<a name="line-221"></a> <span class='hs-str'>"The command '"</span><span class='hs-varop'>++</span><span class='hs-varid'>cmd</span><span class='hs-varop'>++</span><span class='hs-str'>"' could mean one of:\n"</span> <span class='hs-varop'>++</span>
<a name="line-222"></a> <span class='hs-varid'>unwords</span> <span class='hs-layout'>(</span><span class='hs-varid'>sort</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>commandName</span> <span class='hs-varid'>cs'</span><span class='hs-layout'>)</span>
<a name="line-223"></a>
<a name="line-224"></a><a name="amVerbose"></a><span class='hs-definition'>amVerbose</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'>Bool</span>
<a name="line-225"></a><span class='hs-definition'>amVerbose</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>elem</span> <span class='hs-conid'>Verbose</span>
<a name="line-226"></a>
<a name="line-227"></a><a name="amQuiet"></a><span class='hs-definition'>amQuiet</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'>Bool</span>
<a name="line-228"></a><span class='hs-definition'>amQuiet</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>elem</span> <span class='hs-conid'>Quiet</span>
<a name="line-229"></a>
<a name="line-230"></a><a name="putVerbose"></a><span class='hs-definition'>putVerbose</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'>Doc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-231"></a><span class='hs-definition'>putVerbose</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>amVerbose</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>putDocLn</span>
<a name="line-232"></a>
<a name="line-233"></a><a name="putInfo"></a><span class='hs-definition'>putInfo</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'>Doc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-234"></a><span class='hs-definition'>putInfo</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-varid'>amQuiet</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>putDocLn</span>
<a name="line-235"></a>
<a name="line-236"></a><a name="putWarning"></a><span class='hs-definition'>putWarning</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'>Doc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-237"></a><span class='hs-definition'>putWarning</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-varid'>amQuiet</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>hPutDocLn</span> <span class='hs-varid'>stderr</span>
<a name="line-238"></a>
<a name="line-239"></a><a name="abortRun"></a><span class='hs-definition'>abortRun</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'>Doc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-240"></a><span class='hs-definition'>abortRun</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>msg</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>DryRun</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-241"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>putInfo</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"NOTE:"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>msg</span>
<a name="line-242"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>errorDoc</span> <span class='hs-varid'>msg</span>
</pre></body>
</html>
