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ghc-darcs-devel-2.8.3-1.fc18.i686.rpm

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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2007 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; if not, write to the Free Software Foundation,</span>
<a name="line-15"></a><span class='hs-comment'>-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</span>
<a name="line-16"></a>
<a name="line-17"></a><span class='hs-comment'>{-# LANGUAGE CPP, TypeSynonymInstances, FlexibleInstances, MultiParamTypeClasses #-}</span>
<a name="line-18"></a>
<a name="line-19"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-20"></a>
<a name="line-21"></a><span class='hs-keyword'>module</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'>HashedIO</span> <span class='hs-layout'>(</span> <span class='hs-conid'>HashedIO</span><span class='hs-layout'>,</span>
<a name="line-22"></a>                                   <span class='hs-varid'>copyHashed</span><span class='hs-layout'>,</span> <span class='hs-varid'>copyPartialsHashed</span><span class='hs-layout'>,</span>
<a name="line-23"></a>                                   <span class='hs-varid'>cleanHashdir</span><span class='hs-layout'>,</span>
<a name="line-24"></a>                                   <span class='hs-conid'>RW</span><span class='hs-layout'>(</span><span class='hs-conid'>RW</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- only exported to make warning go away</span>
<a name="line-25"></a>                                 <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-26"></a>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Global</span> <span class='hs-layout'>(</span> <span class='hs-varid'>darcsdir</span> <span class='hs-layout'>)</span>
<a name="line-28"></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'>Set</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Set</span>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span> <span class='hs-layout'>(</span> <span class='hs-varid'>getDirectoryContents</span><span class='hs-layout'>,</span> <span class='hs-varid'>createDirectoryIfMissing</span> <span class='hs-layout'>)</span>
<a name="line-30"></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-varop'>.</span><span class='hs-conid'>State</span> <span class='hs-layout'>(</span> <span class='hs-conid'>StateT</span><span class='hs-layout'>,</span> <span class='hs-varid'>runStateT</span><span class='hs-layout'>,</span> <span class='hs-varid'>modify</span><span class='hs-layout'>,</span> <span class='hs-varid'>get</span><span class='hs-layout'>,</span> <span class='hs-varid'>put</span><span class='hs-layout'>,</span> <span class='hs-varid'>gets</span><span class='hs-layout'>,</span> <span class='hs-varid'>lift</span> <span class='hs-layout'>)</span>
<a name="line-31"></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>
<a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'>&lt;$&gt;</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span> <span class='hs-varid'>isJust</span> <span class='hs-layout'>)</span>
<a name="line-34"></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-varop'>.</span><span class='hs-conid'>Unsafe</span> <span class='hs-layout'>(</span> <span class='hs-varid'>unsafeInterleaveIO</span> <span class='hs-layout'>)</span>
<a name="line-35"></a>
<a name="line-36"></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'>Cache</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Cache</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'>fetchFileUsingCache</span><span class='hs-layout'>,</span> <span class='hs-varid'>writeFileUsingCache</span><span class='hs-layout'>,</span>
<a name="line-37"></a>                                <span class='hs-varid'>peekInCache</span><span class='hs-layout'>,</span> <span class='hs-varid'>speculateFileUsingCache</span><span class='hs-layout'>,</span>
<a name="line-38"></a>                                <span class='hs-varid'>okayHash</span><span class='hs-layout'>,</span> <span class='hs-varid'>cleanCachesWithHint</span><span class='hs-layout'>,</span> <span class='hs-conid'>HashedDir</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'>hashedDir</span> <span class='hs-layout'>)</span>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>RepoPath</span> <span class='hs-layout'>(</span> <span class='hs-conid'>FilePathLike</span><span class='hs-layout'>,</span> <span class='hs-varid'>toFilePath</span> <span class='hs-layout'>)</span>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>ApplyMonad</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ApplyMonad</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Flags</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Compression</span><span class='hs-layout'>(</span> <span class='hs-keyglyph'>..</span> <span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Lock</span> <span class='hs-layout'>(</span> <span class='hs-varid'>writeAtomicFilePS</span><span class='hs-layout'>,</span> <span class='hs-varid'>removeFileMayNotExist</span> <span class='hs-layout'>)</span>
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withCurrentDirectory</span> <span class='hs-layout'>)</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Progress</span> <span class='hs-layout'>(</span> <span class='hs-varid'>debugMessage</span><span class='hs-layout'>,</span> <span class='hs-varid'>tediousSize</span><span class='hs-layout'>,</span> <span class='hs-varid'>finishedOneIO</span> <span class='hs-layout'>)</span>
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>FileName</span> <span class='hs-layout'>(</span> <span class='hs-conid'>FileName</span><span class='hs-layout'>,</span> <span class='hs-varid'>normPath</span><span class='hs-layout'>,</span> <span class='hs-varid'>fp2fn</span><span class='hs-layout'>,</span> <span class='hs-varid'>fn2fp</span><span class='hs-layout'>,</span> <span class='hs-varid'>fn2niceps</span><span class='hs-layout'>,</span> <span class='hs-varid'>niceps2fn</span><span class='hs-layout'>,</span>
<a name="line-46"></a>                              <span class='hs-varid'>breakOnDir</span><span class='hs-layout'>,</span> <span class='hs-varid'>ownName</span><span class='hs-layout'>,</span> <span class='hs-varid'>superName</span> <span class='hs-layout'>)</span>
<a name="line-47"></a>
<a name="line-48"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>ByteStringUtils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>linesPS</span><span class='hs-layout'>,</span> <span class='hs-varid'>unlinesPS</span> <span class='hs-layout'>)</span>
<a name="line-49"></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-keyword'>as</span> <span class='hs-conid'>B</span>  <span class='hs-layout'>(</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>,</span> <span class='hs-varid'>length</span><span class='hs-layout'>,</span> <span class='hs-varid'>empty</span><span class='hs-layout'>)</span>
<a name="line-50"></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> <span class='hs-varid'>pack</span><span class='hs-layout'>)</span>
<a name="line-51"></a>
<a name="line-52"></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'>Darcs</span><span class='hs-layout'>(</span> <span class='hs-varid'>readDarcsHashedDir</span><span class='hs-layout'>,</span> <span class='hs-varid'>darcsLocation</span><span class='hs-layout'>,</span>
<a name="line-53"></a>                             <span class='hs-varid'>decodeDarcsHash</span><span class='hs-layout'>,</span> <span class='hs-varid'>decodeDarcsSize</span> <span class='hs-layout'>)</span>
<a name="line-54"></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'>ItemType</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'>Tree</span> <span class='hs-layout'>)</span>
<a name="line-55"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>CommandsAux</span>
<a name="line-56"></a>
<a name="line-57"></a><a name="readHashFile"></a><span class='hs-comment'>-- | @readHashFile c subdir hash@ reads the file with hash @hash@ in dir subdir,</span>
<a name="line-58"></a><span class='hs-comment'>-- fetching it from 'Cache' @c@ if needed.</span>
<a name="line-59"></a><span class='hs-definition'>readHashFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedDir</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span>
<a name="line-60"></a><span class='hs-definition'>readHashFile</span> <span class='hs-varid'>c</span> <span class='hs-varid'>subdir</span> <span class='hs-varid'>hash</span> <span class='hs-keyglyph'>=</span>
<a name="line-61"></a>    <span class='hs-keyword'>do</span> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Reading hash file "</span><span class='hs-varop'>++</span><span class='hs-varid'>hash</span><span class='hs-varop'>++</span><span class='hs-str'>" from "</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>hashedDir</span> <span class='hs-varid'>subdir</span><span class='hs-layout'>)</span><span class='hs-varop'>++</span><span class='hs-str'>"/"</span>
<a name="line-62"></a>       <span class='hs-varid'>fetchFileUsingCache</span> <span class='hs-varid'>c</span> <span class='hs-varid'>subdir</span> <span class='hs-varid'>hash</span>
<a name="line-63"></a>
<a name="line-64"></a><a name="HashDir"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HashDir</span> <span class='hs-varid'>r</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HashDir</span> <span class='hs-layout'>{</span> <span class='hs-varid'>permissions</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-varid'>r</span><span class='hs-layout'>,</span> <span class='hs-varid'>cache</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Cache</span><span class='hs-layout'>,</span>
<a name="line-65"></a>                             <span class='hs-varid'>compress</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Compression</span><span class='hs-layout'>,</span> <span class='hs-varid'>rootHash</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>String</span> <span class='hs-layout'>}</span>
<a name="line-66"></a><a name="HashedIO"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>StateT</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashDir</span> <span class='hs-conid'>RW</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>IO</span>
<a name="line-67"></a>
<a name="line-68"></a><a name="RW"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>RW</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>RW</span>
<a name="line-69"></a><span class='hs-comment'>{-
<a name="line-70"></a>class Readable r where
<a name="line-71"></a>    isRO :: r -&gt; Bool
<a name="line-72"></a>    isRO = const False
<a name="line-73"></a>instance Readable RW
<a name="line-74"></a>instance Readable RO where
<a name="line-75"></a>    isRO RO = True
<a name="line-76"></a>-}</span>
<a name="line-77"></a>
<a name="line-78"></a><a name="mWithCurrentDirectory"></a><span class='hs-definition'>mWithCurrentDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span>
<a name="line-79"></a><span class='hs-definition'>mWithCurrentDirectory</span> <span class='hs-varid'>fn</span> <span class='hs-varid'>j</span>
<a name="line-80"></a>    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>fn'</span> <span class='hs-varop'>==</span> <span class='hs-varid'>fp2fn</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>j</span>
<a name="line-81"></a>    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-82"></a>        <span class='hs-keyword'>case</span> <span class='hs-varid'>breakOnDir</span> <span class='hs-varid'>fn'</span> <span class='hs-keyword'>of</span>
<a name="line-83"></a>        <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readroot</span>
<a name="line-84"></a>                      <span class='hs-keyword'>case</span> <span class='hs-varid'>geta</span> <span class='hs-conid'>D</span> <span class='hs-varid'>fn'</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>of</span>
<a name="line-85"></a>                        <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"dir doesn't exist in mWithCurrentDirectory..."</span>
<a name="line-86"></a>                        <span class='hs-conid'>Just</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-varid'>h'</span><span class='hs-layout'>,</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>withh</span> <span class='hs-varid'>h</span> <span class='hs-varid'>j</span>
<a name="line-87"></a>                                     <span class='hs-varid'>writeroot</span> <span class='hs-varop'>$</span> <span class='hs-varid'>seta</span> <span class='hs-conid'>D</span> <span class='hs-varid'>fn'</span> <span class='hs-varid'>h'</span> <span class='hs-varid'>c</span>
<a name="line-88"></a>                                     <span class='hs-varid'>return</span> <span class='hs-varid'>x</span>
<a name="line-89"></a>        <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>d</span><span class='hs-layout'>,</span><span class='hs-varid'>fn''</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readroot</span>
<a name="line-90"></a>                            <span class='hs-keyword'>case</span> <span class='hs-varid'>geta</span> <span class='hs-conid'>D</span> <span class='hs-varid'>d</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>of</span>
<a name="line-91"></a>                              <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"dir doesn't exist..."</span>
<a name="line-92"></a>                              <span class='hs-conid'>Just</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-varid'>h'</span><span class='hs-layout'>,</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>withh</span> <span class='hs-varid'>h</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mWithCurrentDirectory</span> <span class='hs-varid'>fn''</span> <span class='hs-varid'>j</span>
<a name="line-93"></a>                                           <span class='hs-varid'>writeroot</span> <span class='hs-varop'>$</span> <span class='hs-varid'>seta</span> <span class='hs-conid'>D</span> <span class='hs-varid'>d</span> <span class='hs-varid'>h'</span> <span class='hs-varid'>c</span>
<a name="line-94"></a>                                           <span class='hs-varid'>return</span> <span class='hs-varid'>x</span>
<a name="line-95"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>fn'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>normPath</span> <span class='hs-varid'>fn</span>
<a name="line-96"></a>
<a name="line-97"></a><a name="mInCurrentDirectory"></a><span class='hs-definition'>mInCurrentDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span>
<a name="line-98"></a><span class='hs-definition'>mInCurrentDirectory</span> <span class='hs-varid'>fn</span> <span class='hs-varid'>j</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>fn'</span> <span class='hs-varop'>==</span> <span class='hs-varid'>fp2fn</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>j</span>
<a name="line-99"></a>                         <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-100"></a>                             <span class='hs-keyword'>case</span> <span class='hs-varid'>breakOnDir</span> <span class='hs-varid'>fn'</span> <span class='hs-keyword'>of</span>
<a name="line-101"></a>                             <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readroot</span>
<a name="line-102"></a>                                           <span class='hs-keyword'>case</span> <span class='hs-varid'>geta</span> <span class='hs-conid'>D</span> <span class='hs-varid'>fn'</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>of</span>
<a name="line-103"></a>                                             <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"dir doesn't exist mInCurrentDirectory..."</span>
<a name="line-104"></a>                                             <span class='hs-conid'>Just</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>inh</span> <span class='hs-varid'>h</span> <span class='hs-varid'>j</span>
<a name="line-105"></a>                             <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>d</span><span class='hs-layout'>,</span><span class='hs-varid'>fn''</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readroot</span>
<a name="line-106"></a>                                                 <span class='hs-keyword'>case</span> <span class='hs-varid'>geta</span> <span class='hs-conid'>D</span> <span class='hs-varid'>d</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>of</span>
<a name="line-107"></a>                                                   <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"dir doesn't exist..."</span>
<a name="line-108"></a>                                                   <span class='hs-conid'>Just</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>inh</span> <span class='hs-varid'>h</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mInCurrentDirectory</span> <span class='hs-varid'>fn''</span> <span class='hs-varid'>j</span>
<a name="line-109"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>fn'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>normPath</span> <span class='hs-varid'>fn</span>
<a name="line-110"></a>
<a name="line-111"></a><a name="instance%20ApplyMonad%20(HashedIO%20p)%20Tree"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ApplyMonad</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>Tree</span> <span class='hs-keyword'>where</span>
<a name="line-112"></a>    <span class='hs-keyword'>type</span> <span class='hs-conid'>ApplyMonadBase</span> <span class='hs-layout'>(</span><span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IO</span>
<a name="line-113"></a>    <span class='hs-varid'>mDoesDirectoryExist</span> <span class='hs-varid'>fn</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>thing</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>identifyThing</span> <span class='hs-varid'>fn</span>
<a name="line-114"></a>                                <span class='hs-keyword'>case</span> <span class='hs-varid'>thing</span> <span class='hs-keyword'>of</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>D</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span>
<a name="line-115"></a>                                              <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
<a name="line-116"></a>    <span class='hs-varid'>mReadFilePS</span> <span class='hs-varid'>fn</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mInCurrentDirectory</span> <span class='hs-layout'>(</span><span class='hs-varid'>superName</span> <span class='hs-varid'>fn</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-117"></a>                                          <span class='hs-varid'>c</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readroot</span>
<a name="line-118"></a>                                          <span class='hs-keyword'>case</span> <span class='hs-varid'>geta</span> <span class='hs-conid'>F</span> <span class='hs-layout'>(</span><span class='hs-varid'>ownName</span> <span class='hs-varid'>fn</span><span class='hs-layout'>)</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>of</span>
<a name="line-119"></a>                                            <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>" file don't exist... "</span><span class='hs-varop'>++</span> <span class='hs-varid'>fn2fp</span> <span class='hs-varid'>fn</span>
<a name="line-120"></a>                                            <span class='hs-conid'>Just</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>readhash</span> <span class='hs-varid'>h</span>
<a name="line-121"></a>    <span class='hs-varid'>mCreateDirectory</span> <span class='hs-varid'>fn</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>writeHashFile</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span>
<a name="line-122"></a>                             <span class='hs-varid'>exists</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>isJust</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>identifyThing</span> <span class='hs-varid'>fn</span>
<a name="line-123"></a>                             <span class='hs-varid'>when</span> <span class='hs-varid'>exists</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"can't mCreateDirectory over an existing object."</span>
<a name="line-124"></a>                             <span class='hs-varid'>makeThing</span> <span class='hs-varid'>fn</span> <span class='hs-layout'>(</span><span class='hs-conid'>D</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span>
<a name="line-125"></a>    <span class='hs-varid'>mRename</span> <span class='hs-varid'>o</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>nexists</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>isJust</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>identifyThing</span> <span class='hs-varid'>n</span>
<a name="line-126"></a>                     <span class='hs-varid'>when</span> <span class='hs-varid'>nexists</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"mRename failed..."</span>
<a name="line-127"></a>                     <span class='hs-varid'>mx</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>identifyThing</span> <span class='hs-varid'>o</span>
<a name="line-128"></a>                     <span class='hs-comment'>-- for backwards compatibility accept rename of nonexistent files.</span>
<a name="line-129"></a>                     <span class='hs-keyword'>case</span> <span class='hs-varid'>mx</span> <span class='hs-keyword'>of</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-130"></a>                                <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>rmThing</span> <span class='hs-varid'>o</span>
<a name="line-131"></a>                                             <span class='hs-varid'>makeThing</span> <span class='hs-varid'>n</span> <span class='hs-varid'>x</span>
<a name="line-132"></a>    <span class='hs-varid'>mRemoveDirectory</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rmThing</span>
<a name="line-133"></a>    <span class='hs-varid'>mRemoveFile</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>mReadFilePS</span> <span class='hs-varid'>f</span>
<a name="line-134"></a>                       <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>x</span> <span class='hs-varop'>/=</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-135"></a>                            <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Cannot remove non-empty file "</span><span class='hs-varop'>++</span><span class='hs-varid'>fn2fp</span> <span class='hs-varid'>f</span>
<a name="line-136"></a>                       <span class='hs-varid'>rmThing</span> <span class='hs-varid'>f</span>
<a name="line-137"></a>
<a name="line-138"></a><a name="identifyThing"></a><span class='hs-definition'>identifyThing</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-139"></a><span class='hs-definition'>identifyThing</span> <span class='hs-varid'>fn</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>fn'</span> <span class='hs-varop'>==</span> <span class='hs-varid'>fp2fn</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>rootHash</span>
<a name="line-140"></a>                                        <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>D</span><span class='hs-layout'>,</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span>
<a name="line-141"></a>                 <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>breakOnDir</span> <span class='hs-varid'>fn'</span> <span class='hs-keyword'>of</span>
<a name="line-142"></a>                               <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>getany</span> <span class='hs-varid'>fn'</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>readroot</span>
<a name="line-143"></a>                               <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>d</span><span class='hs-layout'>,</span><span class='hs-varid'>fn''</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readroot</span>
<a name="line-144"></a>                                                   <span class='hs-keyword'>case</span> <span class='hs-varid'>geta</span> <span class='hs-conid'>D</span> <span class='hs-varid'>d</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>of</span>
<a name="line-145"></a>                                                     <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-146"></a>                                                     <span class='hs-conid'>Just</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>inh</span> <span class='hs-varid'>h</span> <span class='hs-varop'>$</span> <span class='hs-varid'>identifyThing</span> <span class='hs-varid'>fn''</span>
<a name="line-147"></a>        <span class='hs-keyword'>where</span> <span class='hs-varid'>fn'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>normPath</span> <span class='hs-varid'>fn</span>
<a name="line-148"></a>
<a name="line-149"></a><a name="makeThing"></a><span class='hs-definition'>makeThing</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-conid'>()</span>
<a name="line-150"></a><span class='hs-definition'>makeThing</span> <span class='hs-varid'>fn</span> <span class='hs-layout'>(</span><span class='hs-varid'>o</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mWithCurrentDirectory</span> <span class='hs-layout'>(</span><span class='hs-varid'>superName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>normPath</span> <span class='hs-varid'>fn</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-151"></a>                     <span class='hs-varid'>seta</span> <span class='hs-varid'>o</span> <span class='hs-layout'>(</span><span class='hs-varid'>ownName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>normPath</span> <span class='hs-varid'>fn</span><span class='hs-layout'>)</span> <span class='hs-varid'>h</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>readroot</span> <span class='hs-varop'>&gt;&gt;=</span> <span class='hs-varid'>writeroot</span>
<a name="line-152"></a>
<a name="line-153"></a><a name="rmThing"></a><span class='hs-definition'>rmThing</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-conid'>()</span>
<a name="line-154"></a><span class='hs-definition'>rmThing</span> <span class='hs-varid'>fn</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mWithCurrentDirectory</span> <span class='hs-layout'>(</span><span class='hs-varid'>superName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>normPath</span> <span class='hs-varid'>fn</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-155"></a>             <span class='hs-keyword'>do</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readroot</span>
<a name="line-156"></a>                <span class='hs-keyword'>let</span> <span class='hs-varid'>c'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>-&gt;</span><span class='hs-varid'>x</span><span class='hs-varop'>/=</span> <span class='hs-varid'>ownName</span> <span class='hs-layout'>(</span><span class='hs-varid'>normPath</span> <span class='hs-varid'>fn</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>c</span>
<a name="line-157"></a>                <span class='hs-keyword'>if</span> <span class='hs-varid'>length</span> <span class='hs-varid'>c'</span> <span class='hs-varop'>==</span> <span class='hs-varid'>length</span> <span class='hs-varid'>c</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span>
<a name="line-158"></a>                  <span class='hs-keyword'>then</span> <span class='hs-varid'>writeroot</span> <span class='hs-varid'>c'</span>
<a name="line-159"></a>                  <span class='hs-keyword'>else</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"obj doesn't exist in rmThing"</span>
<a name="line-160"></a>
<a name="line-161"></a><a name="readhash"></a><span class='hs-definition'>readhash</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-162"></a><span class='hs-definition'>readhash</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>cache</span>
<a name="line-163"></a>                <span class='hs-varid'>z</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unsafeInterleaveIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>readHashFile</span> <span class='hs-varid'>c</span> <span class='hs-conid'>HashedPristineDir</span> <span class='hs-varid'>h</span>
<a name="line-164"></a>                <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>out</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>z</span>
<a name="line-165"></a>                <span class='hs-varid'>return</span> <span class='hs-varid'>out</span>
<a name="line-166"></a>
<a name="line-167"></a><a name="withh"></a><span class='hs-definition'>withh</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-168"></a><span class='hs-definition'>withh</span> <span class='hs-varid'>h</span> <span class='hs-varid'>j</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>hd</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>get</span>
<a name="line-169"></a>               <span class='hs-varid'>put</span> <span class='hs-varop'>$</span> <span class='hs-varid'>hd</span> <span class='hs-layout'>{</span> <span class='hs-varid'>rootHash</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>h</span> <span class='hs-layout'>}</span>
<a name="line-170"></a>               <span class='hs-varid'>x</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>j</span>
<a name="line-171"></a>               <span class='hs-varid'>h'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>rootHash</span>
<a name="line-172"></a>               <span class='hs-varid'>put</span> <span class='hs-varid'>hd</span>
<a name="line-173"></a>               <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>h'</span><span class='hs-layout'>,</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-174"></a>
<a name="line-175"></a><a name="inh"></a><span class='hs-definition'>inh</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-varid'>a</span>
<a name="line-176"></a><span class='hs-definition'>inh</span> <span class='hs-varid'>h</span> <span class='hs-varid'>j</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>hd</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>get</span>
<a name="line-177"></a>             <span class='hs-varid'>put</span> <span class='hs-varop'>$</span> <span class='hs-varid'>hd</span> <span class='hs-layout'>{</span> <span class='hs-varid'>rootHash</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>h</span> <span class='hs-layout'>}</span>
<a name="line-178"></a>             <span class='hs-varid'>x</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>j</span>
<a name="line-179"></a>             <span class='hs-varid'>put</span> <span class='hs-varid'>hd</span>
<a name="line-180"></a>             <span class='hs-varid'>return</span> <span class='hs-varid'>x</span>
<a name="line-181"></a>
<a name="line-182"></a><a name="readroot"></a><span class='hs-definition'>readroot</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span> <span class='hs-conid'>FileName</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-183"></a><span class='hs-definition'>readroot</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>haveitalready</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>peekroot</span>
<a name="line-184"></a>              <span class='hs-varid'>cc</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>rootHash</span> <span class='hs-varop'>&gt;&gt;=</span> <span class='hs-varid'>readdir</span>
<a name="line-185"></a>              <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varid'>haveitalready</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>speculate</span> <span class='hs-varid'>cc</span>
<a name="line-186"></a>              <span class='hs-varid'>return</span> <span class='hs-varid'>cc</span>
<a name="line-187"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>speculate</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>b</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>q</span> <span class='hs-conid'>()</span>
<a name="line-188"></a>          <span class='hs-varid'>speculate</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>cac</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>cache</span>
<a name="line-189"></a>                           <span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>z</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>speculateFileUsingCache</span> <span class='hs-varid'>cac</span> <span class='hs-conid'>HashedPristineDir</span> <span class='hs-varid'>z</span><span class='hs-layout'>)</span> <span class='hs-varid'>c</span>
<a name="line-190"></a>          <span class='hs-varid'>peekroot</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-conid'>Bool</span>
<a name="line-191"></a>          <span class='hs-varid'>peekroot</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-conid'>HashDir</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>get</span>
<a name="line-192"></a>                        <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>peekInCache</span> <span class='hs-varid'>c</span> <span class='hs-conid'>HashedPristineDir</span> <span class='hs-varid'>h</span>
<a name="line-193"></a>
<a name="line-194"></a><a name="writeroot"></a><span class='hs-definition'>writeroot</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span> <span class='hs-conid'>FileName</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-conid'>()</span>
<a name="line-195"></a><span class='hs-definition'>writeroot</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>writedir</span> <span class='hs-varid'>c</span>
<a name="line-196"></a>                 <span class='hs-varid'>modify</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>hd</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>hd</span> <span class='hs-layout'>{</span> <span class='hs-varid'>rootHash</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>h</span> <span class='hs-layout'>}</span>
<a name="line-197"></a>
<a name="line-198"></a><a name="ObjType"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ObjType</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>F</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>D</span> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Eq</span>
<a name="line-199"></a>
<a name="line-200"></a><a name="geta"></a><span class='hs-comment'>-- | @geta objtype name stuff@ tries to get an object of type @objtype@ named @name@</span>
<a name="line-201"></a><span class='hs-comment'>-- in @stuff@.</span>
<a name="line-202"></a><span class='hs-definition'>geta</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ObjType</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>FileName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span> <span class='hs-conid'>FileName</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span>
<a name="line-203"></a><span class='hs-definition'>geta</span> <span class='hs-varid'>o</span> <span class='hs-varid'>f</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-varid'>o'</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>getany</span> <span class='hs-varid'>f</span> <span class='hs-varid'>c</span>
<a name="line-204"></a>                <span class='hs-keyword'>if</span> <span class='hs-varid'>o</span> <span class='hs-varop'>==</span> <span class='hs-varid'>o'</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>h</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>Nothing</span>
<a name="line-205"></a>
<a name="line-206"></a><a name="getany"></a><span class='hs-definition'>getany</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FileName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span> <span class='hs-conid'>FileName</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-207"></a><span class='hs-definition'>getany</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-208"></a><span class='hs-definition'>getany</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>o</span><span class='hs-layout'>,</span><span class='hs-varid'>f'</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>f</span> <span class='hs-varop'>==</span> <span class='hs-varid'>f'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>o</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span>
<a name="line-209"></a><span class='hs-definition'>getany</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getany</span> <span class='hs-varid'>f</span> <span class='hs-varid'>r</span>
<a name="line-210"></a>
<a name="line-211"></a><a name="seta"></a><span class='hs-definition'>seta</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ObjType</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>FileName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span> <span class='hs-conid'>FileName</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span> <span class='hs-conid'>FileName</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-212"></a><span class='hs-definition'>seta</span> <span class='hs-varid'>o</span> <span class='hs-varid'>f</span> <span class='hs-varid'>h</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>o</span><span class='hs-layout'>,</span><span class='hs-varid'>f</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-213"></a><span class='hs-definition'>seta</span> <span class='hs-varid'>o</span> <span class='hs-varid'>f</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>f'</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>f</span> <span class='hs-varop'>==</span> <span class='hs-varid'>f'</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>o</span><span class='hs-layout'>,</span><span class='hs-varid'>f</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>r</span>
<a name="line-214"></a><span class='hs-definition'>seta</span> <span class='hs-varid'>o</span> <span class='hs-varid'>f</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>seta</span> <span class='hs-varid'>o</span> <span class='hs-varid'>f</span> <span class='hs-varid'>h</span> <span class='hs-varid'>xs</span>
<a name="line-215"></a>
<a name="line-216"></a><a name="readdir"></a><span class='hs-definition'>readdir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span> <span class='hs-conid'>FileName</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-217"></a><span class='hs-definition'>readdir</span> <span class='hs-varid'>hash</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>parsed</span> <span class='hs-varop'>.</span> <span class='hs-varid'>linesPS</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>readhash</span> <span class='hs-varid'>hash</span>
<a name="line-218"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>parsed</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-conop'>:</span><span class='hs-varid'>n</span><span class='hs-conop'>:</span><span class='hs-varid'>h</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>t</span> <span class='hs-varop'>==</span> <span class='hs-varid'>dir</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>D</span><span class='hs-layout'>,</span> <span class='hs-varid'>niceps2fn</span> <span class='hs-varid'>n</span><span class='hs-layout'>,</span> <span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>parsed</span> <span class='hs-varid'>rest</span>
<a name="line-219"></a>                              <span class='hs-keyglyph'>|</span> <span class='hs-varid'>t</span> <span class='hs-varop'>==</span> <span class='hs-varid'>file</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>F</span><span class='hs-layout'>,</span> <span class='hs-varid'>niceps2fn</span> <span class='hs-varid'>n</span><span class='hs-layout'>,</span> <span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>parsed</span> <span class='hs-varid'>rest</span>
<a name="line-220"></a>          <span class='hs-varid'>parsed</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-221"></a><a name="dir"></a><span class='hs-definition'>dir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-222"></a><span class='hs-definition'>dir</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-str'>"directory:"</span>
<a name="line-223"></a><a name="file"></a><span class='hs-definition'>file</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-224"></a><span class='hs-definition'>file</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-str'>"file:"</span>
<a name="line-225"></a>
<a name="line-226"></a>
<a name="line-227"></a><a name="writedir"></a><span class='hs-definition'>writedir</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>ObjType</span><span class='hs-layout'>,</span> <span class='hs-conid'>FileName</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-conid'>String</span>
<a name="line-228"></a><span class='hs-definition'>writedir</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>writeHashFile</span> <span class='hs-varid'>cps</span>
<a name="line-229"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>cps</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unlinesPS</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-layout'>(</span><span class='hs-varid'>o</span><span class='hs-layout'>,</span><span class='hs-varid'>d</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>showO</span> <span class='hs-varid'>o</span><span class='hs-layout'>,</span><span class='hs-varid'>fn2niceps</span> <span class='hs-varid'>d</span><span class='hs-layout'>,</span><span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-varid'>h</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varid'>c</span><span class='hs-varop'>++</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span><span class='hs-keyglyph'>]</span>
<a name="line-230"></a>          <span class='hs-varid'>showO</span> <span class='hs-conid'>D</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dir</span>
<a name="line-231"></a>          <span class='hs-varid'>showO</span> <span class='hs-conid'>F</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>file</span>
<a name="line-232"></a>
<a name="line-233"></a><a name="writeHashFile"></a><span class='hs-definition'>writeHashFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedIO</span> <span class='hs-varid'>p</span> <span class='hs-conid'>String</span>
<a name="line-234"></a><span class='hs-definition'>writeHashFile</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>cache</span>
<a name="line-235"></a>                      <span class='hs-varid'>compr</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>compress</span>
<a name="line-236"></a>                      <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>writeFileUsingCache</span> <span class='hs-varid'>c</span> <span class='hs-varid'>compr</span> <span class='hs-conid'>HashedPristineDir</span> <span class='hs-varid'>ps</span>
<a name="line-237"></a>
<a name="line-238"></a><a name="copyHashed"></a><span class='hs-definition'>copyHashed</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Compression</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-239"></a><span class='hs-comment'>-- Warning:  A do-notation statement discarded a result of type ((), HashDir RO ghc-prim</span>
<a name="line-240"></a><span class='hs-definition'>copyHashed</span> <span class='hs-varid'>k</span> <span class='hs-varid'>c</span> <span class='hs-varid'>compr</span> <span class='hs-varid'>z</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>runStateT</span> <span class='hs-varid'>cph</span> <span class='hs-varop'>$</span> <span class='hs-conid'>HashDir</span> <span class='hs-layout'>{</span> <span class='hs-varid'>permissions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>RW</span><span class='hs-layout'>,</span> <span class='hs-varid'>cache</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span>
<a name="line-241"></a>                                                      <span class='hs-varid'>compress</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>compr</span><span class='hs-layout'>,</span> <span class='hs-varid'>rootHash</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>z</span> <span class='hs-layout'>}</span>
<a name="line-242"></a>                            <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-243"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>cph</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>cc</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readroot</span>
<a name="line-244"></a>                   <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>tediousSize</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>cc</span><span class='hs-layout'>)</span>
<a name="line-245"></a>                   <span class='hs-varid'>mapM_</span> <span class='hs-varid'>cp</span> <span class='hs-varid'>cc</span>
<a name="line-246"></a>          <span class='hs-varid'>cp</span> <span class='hs-layout'>(</span><span class='hs-conid'>F</span><span class='hs-layout'>,</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readhash</span> <span class='hs-varid'>h</span>
<a name="line-247"></a>                          <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>finishedOneIO</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-248"></a>                          <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>writeAtomicFilePS</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>ps</span>
<a name="line-249"></a>          <span class='hs-varid'>cp</span> <span class='hs-layout'>(</span><span class='hs-conid'>D</span><span class='hs-layout'>,</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isMaliciousSubPath</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-250"></a>                          <span class='hs-keyword'>then</span> <span class='hs-varid'>fail</span> <span class='hs-layout'>(</span><span class='hs-str'>"Caught malicious path: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>fn2fp</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-251"></a>                          <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-252"></a>                          <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>createDirectoryIfMissing</span> <span class='hs-conid'>False</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-253"></a>                          <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>finishedOneIO</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-254"></a>                          <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>withCurrentDirectory</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>copyHashed</span> <span class='hs-varid'>k</span> <span class='hs-varid'>c</span> <span class='hs-varid'>compr</span> <span class='hs-varid'>h</span>
<a name="line-255"></a>
<a name="line-256"></a><a name="copyPartialsHashed"></a><span class='hs-definition'>copyPartialsHashed</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePathLike</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=&gt;</span>
<a name="line-257"></a>                      <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Compression</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>fp</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-258"></a><span class='hs-definition'>copyPartialsHashed</span> <span class='hs-varid'>c</span> <span class='hs-varid'>compr</span> <span class='hs-varid'>root</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-varid'>copyPartialHashed</span> <span class='hs-varid'>c</span> <span class='hs-varid'>compr</span> <span class='hs-varid'>root</span><span class='hs-layout'>)</span>
<a name="line-259"></a>
<a name="line-260"></a><a name="copyPartialHashed"></a><span class='hs-definition'>copyPartialHashed</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePathLike</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Compression</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-261"></a><span class='hs-definition'>copyPartialHashed</span> <span class='hs-varid'>c</span> <span class='hs-varid'>compr</span> <span class='hs-varid'>root</span> <span class='hs-varid'>ff</span> <span class='hs-keyglyph'>=</span>
<a name="line-262"></a>    <span class='hs-keyword'>do</span> <span class='hs-varid'>createDirectoryIfMissing</span> <span class='hs-conid'>True</span> <span class='hs-layout'>(</span><span class='hs-varid'>basename</span> <span class='hs-varop'>$</span> <span class='hs-varid'>toFilePath</span> <span class='hs-varid'>ff</span><span class='hs-layout'>)</span>
<a name="line-263"></a><span class='hs-comment'>-- Warning:  A do-notation statement discarded a result of type ((), HashDir RO ghc-prim</span>
<a name="line-264"></a>       <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>runStateT</span> <span class='hs-layout'>(</span><span class='hs-varid'>cp</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fp2fn</span> <span class='hs-varop'>$</span> <span class='hs-varid'>toFilePath</span> <span class='hs-varid'>ff</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-265"></a>                 <span class='hs-conid'>HashDir</span> <span class='hs-layout'>{</span> <span class='hs-varid'>permissions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>RW</span><span class='hs-layout'>,</span> <span class='hs-varid'>cache</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span>
<a name="line-266"></a>                           <span class='hs-varid'>compress</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>compr</span><span class='hs-layout'>,</span> <span class='hs-varid'>rootHash</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>root</span> <span class='hs-layout'>}</span>
<a name="line-267"></a>       <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-268"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>basename</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-chr'>'/'</span> <span class='hs-varop'>/=</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-chr'>'/'</span> <span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-269"></a>       <span class='hs-varid'>cp</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>mt</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>identifyThing</span> <span class='hs-varid'>f</span>
<a name="line-270"></a>                 <span class='hs-keyword'>case</span> <span class='hs-varid'>mt</span> <span class='hs-keyword'>of</span>
<a name="line-271"></a>                   <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>D</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>createDirectoryIfMissing</span> <span class='hs-conid'>True</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-272"></a>                                    <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>withCurrentDirectory</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>copyHashed</span> <span class='hs-str'>""</span> <span class='hs-varid'>c</span> <span class='hs-varid'>compr</span> <span class='hs-varid'>h</span>
<a name="line-273"></a>                   <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>F</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readhash</span> <span class='hs-varid'>h</span>
<a name="line-274"></a>                                    <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>writeAtomicFilePS</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn2fp</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-varid'>ps</span>
<a name="line-275"></a>                   <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-276"></a>
<a name="line-277"></a><a name="cleanHashdir"></a><span class='hs-definition'>cleanHashdir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cache</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>HashedDir</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-278"></a><span class='hs-definition'>cleanHashdir</span> <span class='hs-varid'>c</span> <span class='hs-varid'>dir_</span> <span class='hs-varid'>hashroots</span> <span class='hs-keyglyph'>=</span>
<a name="line-279"></a>   <span class='hs-keyword'>do</span> <span class='hs-comment'>-- we'll remove obsolete bits of "dir"</span>
<a name="line-280"></a>      <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Cleaning out "</span> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-varid'>hashedDir</span> <span class='hs-varid'>dir_</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>"..."</span>
<a name="line-281"></a>      <span class='hs-keyword'>let</span> <span class='hs-varid'>hashdir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>darcsdir</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/"</span> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-varid'>hashedDir</span> <span class='hs-varid'>dir_</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>"/"</span>
<a name="line-282"></a>          <span class='hs-varid'>listone</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>size</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>decodeDarcsSize</span> <span class='hs-varop'>$</span> <span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-varid'>h</span>
<a name="line-283"></a>                             <span class='hs-varid'>hash</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>decodeDarcsHash</span> <span class='hs-varop'>$</span> <span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-varid'>h</span>
<a name="line-284"></a>                         <span class='hs-varid'>x</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>readDarcsHashedDir</span> <span class='hs-varid'>hashdir</span> <span class='hs-layout'>(</span><span class='hs-varid'>size</span><span class='hs-layout'>,</span> <span class='hs-varid'>hash</span><span class='hs-layout'>)</span>
<a name="line-285"></a>                         <span class='hs-keyword'>let</span> <span class='hs-varid'>subs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>fst</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsLocation</span> <span class='hs-str'>""</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-varid'>h'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-conid'>TreeType</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-varid'>h'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>]</span>
<a name="line-286"></a>                             <span class='hs-varid'>hashes</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>h</span> <span class='hs-conop'>:</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>fst</span> <span class='hs-varop'>$</span> <span class='hs-varid'>darcsLocation</span> <span class='hs-str'>""</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-varid'>h'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-varid'>h'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>]</span>
<a name="line-287"></a>                         <span class='hs-layout'>(</span><span class='hs-varid'>hashes</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>concat</span> <span class='hs-varop'>&lt;$&gt;</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>listone</span> <span class='hs-varid'>subs</span>
<a name="line-288"></a>      <span class='hs-varid'>hs</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>set</span> <span class='hs-varop'>.</span> <span class='hs-varid'>concat</span> <span class='hs-varop'>&lt;$&gt;</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>listone</span> <span class='hs-varid'>hashroots</span>
<a name="line-289"></a>      <span class='hs-varid'>fs</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>set</span> <span class='hs-varop'>.</span> <span class='hs-varid'>filter</span> <span class='hs-varid'>okayHash</span> <span class='hs-varop'>&lt;$&gt;</span> <span class='hs-varid'>getDirectoryContents</span> <span class='hs-varid'>hashdir</span>
<a name="line-290"></a>      <span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-varid'>removeFileMayNotExist</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varid'>hashdir</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>unset</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fs</span> <span class='hs-varop'>`</span><span class='hs-conid'>Set</span><span class='hs-varop'>.</span><span class='hs-varid'>difference</span><span class='hs-varop'>`</span> <span class='hs-varid'>hs</span><span class='hs-layout'>)</span>
<a name="line-291"></a>      <span class='hs-comment'>-- and also clean out any global caches.</span>
<a name="line-292"></a>      <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Cleaning out any global caches..."</span>
<a name="line-293"></a>      <span class='hs-varid'>cleanCachesWithHint</span> <span class='hs-varid'>c</span> <span class='hs-varid'>dir_</span> <span class='hs-layout'>(</span><span class='hs-varid'>unset</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fs</span> <span class='hs-varop'>`</span><span class='hs-conid'>Set</span><span class='hs-varop'>.</span><span class='hs-varid'>difference</span><span class='hs-varop'>`</span> <span class='hs-varid'>hs</span><span class='hs-layout'>)</span>
<a name="line-294"></a>   <span class='hs-keyword'>where</span> <span class='hs-varid'>set</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Set</span><span class='hs-varop'>.</span><span class='hs-varid'>fromList</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'>pack</span>
<a name="line-295"></a>         <span class='hs-varid'>unset</span> <span class='hs-keyglyph'>=</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-varop'>.</span> <span class='hs-conid'>Set</span><span class='hs-varop'>.</span><span class='hs-varid'>toList</span>
</pre></body>
</html>

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