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<title>src/Darcs/Commands/ShowRepo.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2007 Kevin Quick</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-cpp'>#include "gadts.h"</span>
<a name="line-20"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Commands</span><span class='hs-varop'>.</span><span class='hs-conid'>ShowRepo</span> <span class='hs-layout'>(</span> <span class='hs-varid'>showRepo</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span> <span class='hs-layout'>(</span> <span class='hs-varid'>toLower</span><span class='hs-layout'>,</span> <span class='hs-varid'>isSpace</span> <span class='hs-layout'>)</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span> <span class='hs-varid'>intercalate</span> <span class='hs-layout'>)</span>
<a name="line-24"></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-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Html</span> <span class='hs-layout'>(</span> <span class='hs-varid'>tag</span><span class='hs-layout'>,</span> <span class='hs-varid'>stringToHtml</span> <span class='hs-layout'>)</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Arguments</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsFlag</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>workingRepoDir</span><span class='hs-layout'>,</span> <span class='hs-varid'>files</span><span class='hs-layout'>,</span> <span class='hs-varid'>xmloutput</span> <span class='hs-layout'>)</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Commands</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsCommand</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>nodefaults</span> <span class='hs-layout'>)</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withRepository</span><span class='hs-layout'>,</span> <span class='hs-conid'>RepoJob</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>amInRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>readRepo</span> <span class='hs-layout'>)</span>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Repository</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>RepoType</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Format</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepoFormat</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Prefs</span> <span class='hs-layout'>(</span> <span class='hs-varid'>getPreflist</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'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>Motd</span> <span class='hs-layout'>(</span> <span class='hs-varid'>getMotd</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'>Patch</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-layout'>)</span>
<a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Set</span> <span class='hs-layout'>(</span> <span class='hs-varid'>newset2RL</span> <span class='hs-layout'>)</span>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Ordered</span> <span class='hs-layout'>(</span> <span class='hs-varid'>lengthRL</span> <span class='hs-layout'>)</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>BC</span> <span class='hs-layout'>(</span><span class='hs-varid'>unpack</span><span class='hs-layout'>)</span>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Apply</span><span class='hs-layout'>(</span> <span class='hs-conid'>ApplyState</span> <span class='hs-layout'>)</span>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Storage</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashed</span><span class='hs-varop'>.</span><span class='hs-conid'>Tree</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Tree</span> <span class='hs-layout'>)</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="showRepoHelp"></a><span class='hs-definition'>showRepoHelp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-41"></a><span class='hs-definition'>showRepoHelp</span> <span class='hs-keyglyph'>=</span>
<a name="line-42"></a> <span class='hs-str'>"The `darcs show repo' command displays statistics about the current\n"</span> <span class='hs-varop'>++</span>
<a name="line-43"></a> <span class='hs-str'>"repository, allowing third-party scripts to access this information\n"</span> <span class='hs-varop'>++</span>
<a name="line-44"></a> <span class='hs-str'>"without inspecting _darcs directly (and without breaking when the\n"</span> <span class='hs-varop'>++</span>
<a name="line-45"></a> <span class='hs-str'>"_darcs format changes).\n"</span> <span class='hs-varop'>++</span>
<a name="line-46"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-47"></a> <span class='hs-str'>"By default, the number of patches is shown. If this data isn't\n"</span> <span class='hs-varop'>++</span>
<a name="line-48"></a> <span class='hs-str'>"needed, use --no-files to accelerate this command from O(n) to O(1).\n"</span> <span class='hs-varop'>++</span>
<a name="line-49"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-50"></a> <span class='hs-str'>"By default, output is in a human-readable format. The --xml-output\n"</span> <span class='hs-varop'>++</span>
<a name="line-51"></a> <span class='hs-str'>"option can be used to generate output for machine postprocessing.\n"</span>
<a name="line-52"></a>
<a name="line-53"></a><a name="showRepoDescription"></a><span class='hs-definition'>showRepoDescription</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-54"></a><span class='hs-definition'>showRepoDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Show repository summary information"</span>
<a name="line-55"></a>
<a name="line-56"></a><a name="showRepo"></a><span class='hs-definition'>showRepo</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-57"></a><span class='hs-definition'>showRepo</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-layout'>{</span> <span class='hs-varid'>commandProgramName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"darcs"</span><span class='hs-layout'>,</span>
<a name="line-58"></a> <span class='hs-varid'>commandName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"repo"</span><span class='hs-layout'>,</span>
<a name="line-59"></a> <span class='hs-varid'>commandHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showRepoHelp</span><span class='hs-layout'>,</span>
<a name="line-60"></a> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showRepoDescription</span><span class='hs-layout'>,</span>
<a name="line-61"></a> <span class='hs-varid'>commandExtraArgs</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span>
<a name="line-62"></a> <span class='hs-varid'>commandExtraArgHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-63"></a> <span class='hs-varid'>commandCommand</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>repoCmd</span><span class='hs-layout'>,</span>
<a name="line-64"></a> <span class='hs-varid'>commandPrereq</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>amInRepository</span><span class='hs-layout'>,</span>
<a name="line-65"></a> <span class='hs-varid'>commandGetArgPossibilities</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-66"></a> <span class='hs-varid'>commandArgdefaults</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>nodefaults</span><span class='hs-layout'>,</span>
<a name="line-67"></a> <span class='hs-varid'>commandAdvancedOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-68"></a> <span class='hs-varid'>commandBasicOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>workingRepoDir</span><span class='hs-layout'>,</span> <span class='hs-varid'>files</span><span class='hs-layout'>,</span> <span class='hs-varid'>xmloutput</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>}</span>
<a name="line-69"></a>
<a name="line-70"></a><a name="repoCmd"></a><span class='hs-definition'>repoCmd</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-71"></a><span class='hs-definition'>repoCmd</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>put_mode</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>XMLOutput</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>showInfoXML</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>showInfoUsr</span>
<a name="line-72"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>withRepository</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-conid'>RepoJob</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>repository</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>actuallyShowRepo</span> <span class='hs-layout'>(</span><span class='hs-varid'>putInfo</span> <span class='hs-varid'>put_mode</span><span class='hs-layout'>)</span> <span class='hs-varid'>repository</span>
<a name="line-73"></a>
<a name="line-74"></a><span class='hs-comment'>-- Some convenience functions to output a labelled text string or an</span>
<a name="line-75"></a><span class='hs-comment'>-- XML tag + value (same API). If no value, output is suppressed</span>
<a name="line-76"></a><span class='hs-comment'>-- entirely. Borrow some help from Text.Html to perform XML output.</span>
<a name="line-77"></a>
<a name="line-78"></a><a name="ShowInfo"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>ShowInfo</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>
<a name="line-79"></a>
<a name="line-80"></a><a name="showInfoXML"></a><span class='hs-definition'>showInfoXML</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowInfo</span>
<a name="line-81"></a><span class='hs-definition'>showInfoXML</span> <span class='hs-varid'>t</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varop'>$</span> <span class='hs-varid'>tag</span> <span class='hs-layout'>(</span><span class='hs-varid'>safeTag</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>stringToHtml</span> <span class='hs-varid'>i</span>
<a name="line-82"></a>
<a name="line-83"></a><a name="safeTag"></a><span class='hs-definition'>safeTag</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-84"></a><span class='hs-definition'>safeTag</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-85"></a><span class='hs-definition'>safeTag</span> <span class='hs-layout'>(</span><span class='hs-chr'>' '</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'>safeTag</span> <span class='hs-varid'>cs</span>
<a name="line-86"></a><span class='hs-definition'>safeTag</span> <span class='hs-layout'>(</span><span class='hs-chr'>'#'</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'>"num_"</span> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-varid'>safeTag</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span>
<a name="line-87"></a><span class='hs-definition'>safeTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</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'>toLower</span> <span class='hs-varid'>c</span> <span class='hs-conop'>:</span> <span class='hs-varid'>safeTag</span> <span class='hs-varid'>cs</span>
<a name="line-88"></a>
<a name="line-89"></a><a name="showInfoUsr"></a><span class='hs-comment'>-- labelled strings: labels are right-aligned at 14 characters;</span>
<a name="line-90"></a><span class='hs-comment'>-- subsequent lines in multi-line output are indented accordingly.</span>
<a name="line-91"></a><span class='hs-definition'>showInfoUsr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowInfo</span>
<a name="line-92"></a><span class='hs-definition'>showInfoUsr</span> <span class='hs-varid'>t</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-num'>14</span> <span class='hs-comment'>-</span> <span class='hs-varid'>length</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-chr'>' '</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-varid'>t</span> <span class='hs-varop'>++</span> <span class='hs-str'>": "</span> <span class='hs-varop'>++</span>
<a name="line-93"></a> <span class='hs-varid'>intercalate</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span> <span class='hs-conop'>:</span> <span class='hs-layout'>(</span><span class='hs-varid'>replicate</span> <span class='hs-num'>16</span> <span class='hs-chr'>' '</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>lines</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\n"</span>
<a name="line-94"></a>
<a name="line-95"></a><a name="PutInfo"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>PutInfo</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'>IO</span> <span class='hs-conid'>()</span>
<a name="line-96"></a><a name="putInfo"></a><span class='hs-definition'>putInfo</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PutInfo</span>
<a name="line-97"></a><span class='hs-definition'>putInfo</span> <span class='hs-varid'>m</span> <span class='hs-varid'>t</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-varid'>null</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>putStr</span> <span class='hs-varop'>$</span> <span class='hs-varid'>m</span> <span class='hs-varid'>t</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-98"></a>
<a name="line-99"></a><span class='hs-comment'>-- Primary show-repo operation. Determines ordering of output for</span>
<a name="line-100"></a><span class='hs-comment'>-- sub-displays. The `out' argument is one of the above operations to</span>
<a name="line-101"></a><span class='hs-comment'>-- output a labelled text string or an XML tag and contained value.</span>
<a name="line-102"></a>
<a name="line-103"></a><a name="actuallyShowRepo"></a><span class='hs-definition'>actuallyShowRepo</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span>
<a name="line-104"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>PutInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-105"></a><span class='hs-definition'>actuallyShowRepo</span> <span class='hs-varid'>out</span> <span class='hs-varid'>r</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-varid'>loc</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>rf</span> <span class='hs-varid'>rt</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-106"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>XMLOutput</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>putStr</span> <span class='hs-str'>"<repository>\n"</span><span class='hs-layout'>)</span>
<a name="line-107"></a> <span class='hs-varid'>showRepoType</span> <span class='hs-varid'>out</span> <span class='hs-varid'>rt</span>
<a name="line-108"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>Verbose</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>out</span> <span class='hs-str'>"Show"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>show</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span>
<a name="line-109"></a> <span class='hs-varid'>showRepoFormat</span> <span class='hs-varid'>out</span> <span class='hs-varid'>rf</span>
<a name="line-110"></a> <span class='hs-varid'>out</span> <span class='hs-str'>"Root"</span> <span class='hs-varid'>loc</span>
<a name="line-111"></a> <span class='hs-varid'>showRepoAux</span> <span class='hs-varid'>out</span> <span class='hs-varid'>rt</span>
<a name="line-112"></a> <span class='hs-varid'>showRepoPrefs</span> <span class='hs-varid'>out</span>
<a name="line-113"></a> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-conid'>NoFiles</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>numPatches</span> <span class='hs-varid'>r</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>out</span> <span class='hs-str'>"Num Patches"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>show</span> <span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-114"></a> <span class='hs-varid'>showRepoMOTD</span> <span class='hs-varid'>out</span> <span class='hs-varid'>r</span>
<a name="line-115"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>XMLOutput</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>putStr</span> <span class='hs-str'>"</repository>\n"</span><span class='hs-layout'>)</span>
<a name="line-116"></a>
<a name="line-117"></a><span class='hs-comment'>-- Most of the actual elements being displayed are part of the Show</span>
<a name="line-118"></a><span class='hs-comment'>-- class; that's fine for a Haskeller, but not for the common user, so</span>
<a name="line-119"></a><span class='hs-comment'>-- the routines below work to provide more human-readable information</span>
<a name="line-120"></a><span class='hs-comment'>-- regarding the repository elements.</span>
<a name="line-121"></a>
<a name="line-122"></a><a name="showRepoType"></a><span class='hs-definition'>showRepoType</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PutInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RepoType</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-123"></a><span class='hs-definition'>showRepoType</span> <span class='hs-varid'>out</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</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'>out</span> <span class='hs-str'>"Type"</span> <span class='hs-str'>"darcs"</span>
<a name="line-124"></a>
<a name="line-125"></a><a name="showRepoFormat"></a><span class='hs-definition'>showRepoFormat</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PutInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RepoFormat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-126"></a><span class='hs-definition'>showRepoFormat</span> <span class='hs-varid'>out</span> <span class='hs-layout'>(</span><span class='hs-conid'>RF</span> <span class='hs-varid'>rf</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>out</span> <span class='hs-str'>"Format"</span> <span class='hs-varop'>$</span>
<a name="line-127"></a> <span class='hs-varid'>intercalate</span> <span class='hs-str'>", "</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>intercalate</span> <span class='hs-str'>"|"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span><span class='hs-layout'>)</span> <span class='hs-varid'>rf</span><span class='hs-layout'>)</span>
<a name="line-128"></a>
<a name="line-129"></a><a name="showRepoAux"></a><span class='hs-definition'>showRepoAux</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PutInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RepoType</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-130"></a><span class='hs-definition'>showRepoAux</span> <span class='hs-varid'>out</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-varid'>pris</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-131"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>out</span> <span class='hs-str'>"Pristine"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>show</span> <span class='hs-varid'>pris</span>
<a name="line-132"></a> <span class='hs-varid'>out</span> <span class='hs-str'>"Cache"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>intercalate</span> <span class='hs-str'>", "</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lines</span> <span class='hs-varop'>$</span> <span class='hs-varid'>show</span> <span class='hs-varid'>cs</span>
<a name="line-133"></a>
<a name="line-134"></a>
<a name="line-135"></a><a name="showRepoPrefs"></a><span class='hs-definition'>showRepoPrefs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PutInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-136"></a><span class='hs-definition'>showRepoPrefs</span> <span class='hs-varid'>out</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-137"></a> <span class='hs-varid'>getPreflist</span> <span class='hs-str'>"prefs"</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>mapM_</span> <span class='hs-varid'>prefOut</span>
<a name="line-138"></a> <span class='hs-varid'>getPreflist</span> <span class='hs-str'>"author"</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>out</span> <span class='hs-str'>"Author"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unlines</span>
<a name="line-139"></a> <span class='hs-varid'>getPreflist</span> <span class='hs-str'>"defaultrepo"</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>out</span> <span class='hs-str'>"Default Remote"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unlines</span>
<a name="line-140"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>prefOut</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>uncurry</span> <span class='hs-varid'>out</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span><span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-varop'>++</span><span class='hs-str'>" Pref"</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>break</span> <span class='hs-varid'>isSpace</span>
<a name="line-141"></a>
<a name="line-142"></a><a name="showRepoMOTD"></a><span class='hs-definition'>showRepoMOTD</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>PutInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-143"></a><span class='hs-definition'>showRepoMOTD</span> <span class='hs-varid'>out</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-varid'>loc</span> <span class='hs-keyword'>_</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'>getMotd</span> <span class='hs-varid'>loc</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>out</span> <span class='hs-str'>"MOTD"</span> <span class='hs-varop'>.</span> <span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span>
<a name="line-144"></a>
<a name="line-145"></a><span class='hs-comment'>-- Support routines to provide information used by the PutInfo operations above.</span>
<a name="line-146"></a>
<a name="line-147"></a><a name="numPatches"></a><span class='hs-definition'>numPatches</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>~</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Int</span>
<a name="line-148"></a><span class='hs-definition'>numPatches</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>r</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lengthRL</span> <span class='hs-varop'>.</span> <span class='hs-varid'>newset2RL</span><span class='hs-layout'>)</span>
<a name="line-149"></a>
</pre></body>
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