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<title>src/Darcs/Commands/ShowIndex.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2009 Petr Rockai</span>
<a name="line-2"></a><span class='hs-comment'>--</span>
<a name="line-3"></a><span class='hs-comment'>-- Permission is hereby granted, free of charge, to any person</span>
<a name="line-4"></a><span class='hs-comment'>-- obtaining a copy of this software and associated documentation</span>
<a name="line-5"></a><span class='hs-comment'>-- files (the "Software"), to deal in the Software without</span>
<a name="line-6"></a><span class='hs-comment'>-- restriction, including without limitation the rights to use, copy,</span>
<a name="line-7"></a><span class='hs-comment'>-- modify, merge, publish, distribute, sublicense, and/or sell copies</span>
<a name="line-8"></a><span class='hs-comment'>-- of the Software, and to permit persons to whom the Software is</span>
<a name="line-9"></a><span class='hs-comment'>-- furnished to do so, subject to the following conditions:</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>-- The above copyright notice and this permission notice shall be</span>
<a name="line-12"></a><span class='hs-comment'>-- included in all copies or substantial portions of the Software.</span>
<a name="line-13"></a><span class='hs-comment'>--</span>
<a name="line-14"></a><span class='hs-comment'>-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,</span>
<a name="line-15"></a><span class='hs-comment'>-- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span>
<a name="line-16"></a><span class='hs-comment'>-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</span>
<a name="line-17"></a><span class='hs-comment'>-- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS</span>
<a name="line-18"></a><span class='hs-comment'>-- BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN</span>
<a name="line-19"></a><span class='hs-comment'>-- ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN</span>
<a name="line-20"></a><span class='hs-comment'>-- CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span>
<a name="line-21"></a><span class='hs-comment'>-- SOFTWARE.</span>
<a name="line-22"></a>
<a name="line-23"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-24"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-25"></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'>ShowIndex</span> <span class='hs-layout'>(</span> <span class='hs-varid'>showIndex</span>
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showPristineCmd</span> <span class='hs-comment'>-- for alias</span>
<a name="line-27"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</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'>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>
<a name="line-29"></a> <span class='hs-varid'>files</span><span class='hs-layout'>,</span> <span class='hs-varid'>directories</span><span class='hs-layout'>,</span> <span class='hs-varid'>nullFlag</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'>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-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-layout'>(</span> <span class='hs-varid'>amInRepository</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'>readIndex</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'>State</span> <span class='hs-layout'>(</span> <span class='hs-varid'>readRecorded</span> <span class='hs-layout'>)</span>
<a name="line-33"></a>
<a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Storage</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashed</span><span class='hs-layout'>(</span> <span class='hs-varid'>floatPath</span> <span class='hs-layout'>)</span>
<a name="line-35"></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'>Hash</span><span class='hs-layout'>(</span> <span class='hs-varid'>encodeBase16</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hash</span><span class='hs-layout'>(</span> <span class='hs-conid'>NoHash</span> <span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-36"></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-varid'>list</span><span class='hs-layout'>,</span> <span class='hs-varid'>expand</span><span class='hs-layout'>,</span> <span class='hs-varid'>itemHash</span><span class='hs-layout'>,</span> <span class='hs-conid'>Tree</span><span class='hs-layout'>,</span> <span class='hs-conid'>TreeItem</span><span class='hs-layout'>(</span> <span class='hs-conid'>SubTree</span> <span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-37"></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'>Index</span><span class='hs-layout'>(</span> <span class='hs-varid'>updateIndex</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'>AnchoredPath</span><span class='hs-layout'>(</span> <span class='hs-varid'>anchorPath</span> <span class='hs-layout'>)</span>
<a name="line-39"></a>
<a name="line-40"></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'>BS</span>
<a name="line-41"></a>
<a name="line-42"></a><a name="showIndex"></a><span class='hs-definition'>showIndex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-43"></a><span class='hs-definition'>showIndex</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-layout'>{</span>
<a name="line-44"></a> <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-45"></a> <span class='hs-varid'>commandName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"index"</span><span class='hs-layout'>,</span>
<a name="line-46"></a> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Dump contents of working tree index."</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-varid'>commandHelp</span> <span class='hs-keyglyph'>=</span>
<a name="line-48"></a> <span class='hs-str'>"The `darcs show index' command lists all version-controlled files and "</span> <span class='hs-varop'>++</span>
<a name="line-49"></a> <span class='hs-str'>"directories along with their hashes as stored in _darcs/index. "</span> <span class='hs-varop'>++</span>
<a name="line-50"></a> <span class='hs-str'>"For files, the fields correspond to file size, sha256 of the current "</span> <span class='hs-varop'>++</span>
<a name="line-51"></a> <span class='hs-str'>"file content and the filename."</span><span class='hs-layout'>,</span>
<a name="line-52"></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-53"></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-54"></a> <span class='hs-varid'>commandCommand</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showIndexCmd</span><span class='hs-layout'>,</span>
<a name="line-55"></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-56"></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-57"></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-58"></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-59"></a> <span class='hs-varid'>commandBasicOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>files</span><span class='hs-layout'>,</span> <span class='hs-varid'>directories</span><span class='hs-layout'>,</span> <span class='hs-varid'>nullFlag</span><span class='hs-layout'>,</span> <span class='hs-varid'>workingRepoDir</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>}</span>
<a name="line-60"></a>
<a name="line-61"></a><a name="dump"></a><span class='hs-definition'>dump</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Tree</span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-62"></a><span class='hs-definition'>dump</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>tree</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-63"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>line</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NullFlag</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>putStr</span> <span class='hs-varid'>t</span> <span class='hs-varop'>>></span> <span class='hs-varid'>putChar</span> <span class='hs-chr'>'\0'</span>
<a name="line-64"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>putStrLn</span>
<a name="line-65"></a> <span class='hs-varid'>output</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-66"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>hash</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>itemHash</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-67"></a> <span class='hs-conid'>NoHash</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"(no hash available)"</span>
<a name="line-68"></a> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varop'>$</span> <span class='hs-varid'>encodeBase16</span> <span class='hs-varid'>h</span>
<a name="line-69"></a> <span class='hs-varid'>path</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>anchorPath</span> <span class='hs-str'>""</span> <span class='hs-varid'>p</span>
<a name="line-70"></a> <span class='hs-varid'>isdir</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>of</span>
<a name="line-71"></a> <span class='hs-conid'>SubTree</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"/"</span>
<a name="line-72"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>""</span>
<a name="line-73"></a> <span class='hs-varid'>line</span> <span class='hs-varop'>$</span> <span class='hs-varid'>hash</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>path</span> <span class='hs-varop'>++</span> <span class='hs-varid'>isdir</span>
<a name="line-74"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>expand</span> <span class='hs-varid'>tree</span>
<a name="line-75"></a> <span class='hs-varid'>mapM_</span> <span class='hs-varid'>output</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>floatPath</span> <span class='hs-str'>"."</span><span class='hs-layout'>,</span> <span class='hs-conid'>SubTree</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>list</span> <span class='hs-varid'>x</span>
<a name="line-76"></a>
<a name="line-77"></a><a name="showIndexCmd"></a><span class='hs-definition'>showIndexCmd</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-78"></a><span class='hs-definition'>showIndexCmd</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withRepository</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-conid'>RepoJob</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>repo</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-79"></a> <span class='hs-varid'>readIndex</span> <span class='hs-varid'>repo</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>updateIndex</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>dump</span> <span class='hs-varid'>opts</span>
<a name="line-80"></a>
<a name="line-81"></a><a name="showPristineCmd"></a><span class='hs-definition'>showPristineCmd</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-82"></a><span class='hs-definition'>showPristineCmd</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withRepository</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-conid'>RepoJob</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>repo</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-83"></a> <span class='hs-varid'>readRecorded</span> <span class='hs-varid'>repo</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>dump</span> <span class='hs-varid'>opts</span>
<a name="line-84"></a>
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