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<title>src/Darcs/Repository/LowLevel.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2002-2004,2007-2008 David Roundy</span>
<a name="line-2"></a><span class='hs-comment'>-- Copyright (C) 2005 Juliusz Chroboczek</span>
<a name="line-3"></a><span class='hs-comment'>--</span>
<a name="line-4"></a><span class='hs-comment'>-- This program is free software; you can redistribute it and/or modify</span>
<a name="line-5"></a><span class='hs-comment'>-- it under the terms of the GNU General Public License as published by</span>
<a name="line-6"></a><span class='hs-comment'>-- the Free Software Foundation; either version 2, or (at your option)</span>
<a name="line-7"></a><span class='hs-comment'>-- any later version.</span>
<a name="line-8"></a><span class='hs-comment'>--</span>
<a name="line-9"></a><span class='hs-comment'>-- This program is distributed in the hope that it will be useful,</span>
<a name="line-10"></a><span class='hs-comment'>-- but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="line-11"></a><span class='hs-comment'>-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="line-12"></a><span class='hs-comment'>-- GNU General Public License for more details.</span>
<a name="line-13"></a><span class='hs-comment'>--</span>
<a name="line-14"></a><span class='hs-comment'>-- You should have received a copy of the GNU General Public License</span>
<a name="line-15"></a><span class='hs-comment'>-- along with this program; see the file COPYING. If not, write to</span>
<a name="line-16"></a><span class='hs-comment'>-- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="line-17"></a><span class='hs-comment'>-- Boston, MA 02110-1301, USA.</span>
<a name="line-18"></a>
<a name="line-19"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-20"></a>
<a name="line-21"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-22"></a>
<a name="line-23"></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'>LowLevel</span>
<a name="line-24"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>readPending</span><span class='hs-layout'>,</span> <span class='hs-varid'>readTentativePending</span>
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writeTentativePending</span>
<a name="line-26"></a> <span class='hs-comment'>-- deprecated interface:</span>
<a name="line-27"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readNewPending</span><span class='hs-layout'>,</span> <span class='hs-varid'>writeNewPending</span>
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>pendingName</span> <span class='hs-layout'>)</span>
<a name="line-29"></a> <span class='hs-keyword'>where</span>
<a name="line-30"></a>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span><span class='hs-varop'>.</span><span class='hs-conid'>InternalTypes</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepoType</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Repository</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<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'>Patch</span> <span class='hs-layout'>(</span> <span class='hs-varid'>readPatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>writePatch</span><span class='hs-layout'>,</span> <span class='hs-conid'>RepoPatch</span><span class='hs-layout'>,</span> <span class='hs-conid'>PrimOf</span> <span class='hs-layout'>)</span>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Read</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ReadPatch</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'>bracketedFL</span> <span class='hs-layout'>)</span>
<a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadMonads</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ParserM</span> <span class='hs-layout'>)</span>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Show</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ShowPatchBasic</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</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'>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-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Sealed</span><span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapSeal</span> <span class='hs-layout'>)</span>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Ordered</span> <span class='hs-layout'>(</span> <span class='hs-conid'>FL</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'>mapFL</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'>Utils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>catchall</span> <span class='hs-layout'>)</span>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>ByteStringUtils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>gzReadFilePS</span> <span class='hs-layout'>)</span>
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Printer</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Doc</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>$$</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>text</span><span class='hs-layout'>,</span> <span class='hs-varid'>vcat</span> <span class='hs-layout'>)</span>
<a name="line-42"></a>
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span>
<a name="line-44"></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'>BS</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ByteString</span><span class='hs-layout'>,</span> <span class='hs-varid'>empty</span> <span class='hs-layout'>)</span>
<a name="line-45"></a>
<a name="line-46"></a><a name="pendingName"></a><span class='hs-definition'>pendingName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoType</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-47"></a><span class='hs-definition'>pendingName</span> <span class='hs-layout'>(</span><span class='hs-conid'>DarcsRepository</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>darcsdir</span><span class='hs-varop'>++</span><span class='hs-str'>"/patches/pending"</span>
<a name="line-48"></a>
<a name="line-49"></a><a name="readPending"></a><span class='hs-comment'>-- | Read the contents of pending. CWD should be the repository directory.</span>
<a name="line-50"></a><span class='hs-comment'>-- The return type is currently incorrect as it refers to the tentative</span>
<a name="line-51"></a><span class='hs-comment'>-- state rather than the recorded state.</span>
<a name="line-52"></a><span class='hs-definition'>readPending</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-53"></a><span class='hs-definition'>readPending</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>tp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-54"></a> <span class='hs-varid'>readPendingFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>pendingName</span> <span class='hs-varid'>tp</span><span class='hs-layout'>)</span>
<a name="line-55"></a>
<a name="line-56"></a><a name="readTentativePending"></a><span class='hs-comment'>-- |Read the contents of tentative pending. CWD should be the repository directory.</span>
<a name="line-57"></a><span class='hs-definition'>readTentativePending</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-58"></a><span class='hs-definition'>readTentativePending</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>tp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-59"></a> <span class='hs-varid'>readPendingFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>pendingName</span> <span class='hs-varid'>tp</span> <span class='hs-varop'>++</span> <span class='hs-str'>".tentative"</span><span class='hs-layout'>)</span>
<a name="line-60"></a>
<a name="line-61"></a><a name="readNewPending"></a><span class='hs-comment'>-- |Read the contents of tentative pending. CWD should be the repository directory.</span>
<a name="line-62"></a><span class='hs-definition'>readNewPending</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-63"></a><span class='hs-definition'>readNewPending</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>tp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-64"></a> <span class='hs-varid'>readPendingFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>pendingName</span> <span class='hs-varid'>tp</span> <span class='hs-varop'>++</span> <span class='hs-str'>".new"</span><span class='hs-layout'>)</span>
<a name="line-65"></a>
<a name="line-66"></a><a name="readPendingFile"></a><span class='hs-definition'>readPendingFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadPatch</span> <span class='hs-varid'>prim</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>prim</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-67"></a><span class='hs-definition'>readPendingFile</span> <span class='hs-varid'>name</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-68"></a> <span class='hs-varid'>pend</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gzReadFilePS</span> <span class='hs-varid'>name</span> <span class='hs-varop'>`catchall`</span> <span class='hs-varid'>return</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span>
<a name="line-69"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>readPendingContents</span> <span class='hs-varid'>pend</span>
<a name="line-70"></a>
<a name="line-71"></a><a name="FLM"></a><span class='hs-comment'>-- Wrapper around FL where printed format uses { } except around singletons</span>
<a name="line-72"></a><a name="FLM"></a><span class='hs-comment'>-- Now that the Show behaviour of FL p can be customised (using showFLBehavior),</span>
<a name="line-73"></a><a name="FLM"></a><span class='hs-comment'>-- we could instead change the general behaviour of FL Prim; but since the pending</span>
<a name="line-74"></a><a name="FLM"></a><span class='hs-comment'>-- code can be kept nicely compartmentalised, it's nicer to do it this way.</span>
<a name="line-75"></a><a name="FLM"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>FLM</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FLM</span> <span class='hs-layout'>{</span> <span class='hs-varid'>unFLM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-layout'>}</span>
<a name="line-76"></a>
<a name="line-77"></a><a name="instance%20ReadPatch%20(FLM%20p)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ReadPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>ReadPatch</span> <span class='hs-layout'>(</span><span class='hs-conid'>FLM</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-78"></a> <span class='hs-varid'>readPatch'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapSeal</span> <span class='hs-conid'>FLM</span> <span class='hs-varop'><$></span> <span class='hs-varid'>readMaybeBracketedFL</span> <span class='hs-varid'>readPatch'</span> <span class='hs-chr'>'{'</span> <span class='hs-chr'>'}'</span>
<a name="line-79"></a>
<a name="line-80"></a><a name="instance%20ShowPatchBasic%20(FLM%20p)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ShowPatchBasic</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>ShowPatchBasic</span> <span class='hs-layout'>(</span><span class='hs-conid'>FLM</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-81"></a> <span class='hs-varid'>showPatch</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showMaybeBracketedFL</span> <span class='hs-varid'>showPatch</span> <span class='hs-chr'>'{'</span> <span class='hs-chr'>'}'</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unFLM</span>
<a name="line-82"></a>
<a name="line-83"></a><a name="readPendingContents"></a><span class='hs-definition'>readPendingContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadPatch</span> <span class='hs-varid'>prim</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>prim</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-84"></a><span class='hs-definition'>readPendingContents</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapSeal</span> <span class='hs-varid'>unFLM</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>readPatch</span>
<a name="line-85"></a>
<a name="line-86"></a><a name="writePendingFile"></a><span class='hs-definition'>writePendingFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowPatchBasic</span> <span class='hs-varid'>prim</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FL</span> <span class='hs-varid'>prim</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-87"></a><span class='hs-definition'>writePendingFile</span> <span class='hs-varid'>name</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>writePatch</span> <span class='hs-varid'>name</span> <span class='hs-varop'>.</span> <span class='hs-conid'>FLM</span>
<a name="line-88"></a>
<a name="line-89"></a><a name="readMaybeBracketedFL"></a><span class='hs-definition'>readMaybeBracketedFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyword'>forall</span> <span class='hs-varid'>m</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-conid'>ParserM</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span>
<a name="line-90"></a> <span class='hs-layout'>(</span><span class='hs-conid'>FORALL</span><span class='hs-layout'>(</span><span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-91"></a><span class='hs-definition'>readMaybeBracketedFL</span> <span class='hs-varid'>parser</span> <span class='hs-varid'>pre</span> <span class='hs-varid'>post</span> <span class='hs-keyglyph'>=</span>
<a name="line-92"></a> <span class='hs-varid'>bracketedFL</span> <span class='hs-varid'>parser</span> <span class='hs-varid'>pre</span> <span class='hs-varid'>post</span> <span class='hs-varop'><|></span> <span class='hs-layout'>(</span><span class='hs-varid'>mapSeal</span> <span class='hs-layout'>(</span><span class='hs-conop'>:>:</span><span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>parser</span><span class='hs-layout'>)</span>
<a name="line-93"></a>
<a name="line-94"></a><a name="showMaybeBracketedFL"></a><span class='hs-definition'>showMaybeBracketedFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>FORALL</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-95"></a><span class='hs-definition'>showMaybeBracketedFL</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>pre</span> <span class='hs-varid'>post</span> <span class='hs-conid'>NilFL</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>pre</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>post</span><span class='hs-keyglyph'>]</span>
<a name="line-96"></a><span class='hs-definition'>showMaybeBracketedFL</span> <span class='hs-varid'>printer</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:>:</span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printer</span> <span class='hs-varid'>p</span>
<a name="line-97"></a><span class='hs-definition'>showMaybeBracketedFL</span> <span class='hs-varid'>printer</span> <span class='hs-varid'>pre</span> <span class='hs-varid'>post</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>pre</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>$$</span> <span class='hs-varid'>vcat</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapFL</span> <span class='hs-varid'>printer</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>post</span><span class='hs-keyglyph'>]</span>
<a name="line-98"></a>
<a name="line-99"></a><a name="writeTentativePending"></a><span class='hs-comment'>-- |Read the contents of tentative pending. CWD should be the repository directory.</span>
<a name="line-100"></a><span class='hs-definition'>writeTentativePending</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-101"></a><span class='hs-definition'>writeTentativePending</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>tp</span><span class='hs-layout'>)</span> <span class='hs-varid'>pend</span> <span class='hs-keyglyph'>=</span>
<a name="line-102"></a> <span class='hs-varid'>writePendingFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>pendingName</span> <span class='hs-varid'>tp</span> <span class='hs-varop'>++</span> <span class='hs-str'>".tentative"</span><span class='hs-layout'>)</span> <span class='hs-varid'>pend</span>
<a name="line-103"></a>
<a name="line-104"></a><a name="writeNewPending"></a><span class='hs-comment'>-- |Read the contents of new pending. CWD should be the repository directory.</span>
<a name="line-105"></a><span class='hs-definition'>writeNewPending</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RepoPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Repository</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>r</span> <span class='hs-varid'>u</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FL</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrimOf</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-106"></a><span class='hs-definition'>writeNewPending</span> <span class='hs-layout'>(</span><span class='hs-conid'>Repo</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>tp</span><span class='hs-layout'>)</span> <span class='hs-varid'>pend</span> <span class='hs-keyglyph'>=</span>
<a name="line-107"></a> <span class='hs-varid'>writePendingFile</span> <span class='hs-layout'>(</span><span class='hs-varid'>pendingName</span> <span class='hs-varid'>tp</span> <span class='hs-varop'>++</span> <span class='hs-str'>".new"</span><span class='hs-layout'>)</span> <span class='hs-varid'>pend</span>
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