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<title>src/Darcs/Repository/ApplyPatches.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2002-2005,2007 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; see the file COPYING. If not, write to</span>
<a name="line-15"></a><span class='hs-comment'>-- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="line-16"></a><span class='hs-comment'>-- Boston, MA 02110-1301, USA.</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-21"></a>
<a name="line-22"></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'>ApplyPatches</span> <span class='hs-layout'>(</span> <span class='hs-varid'>applyPatches</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-23"></a>
<a name="line-24"></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>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>MonadProgress</span> <span class='hs-layout'>(</span> <span class='hs-conid'>MonadProgress</span><span class='hs-layout'>,</span> <span class='hs-conid'>ProgressAction</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'>runProgressActions</span><span class='hs-layout'>)</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Patchy</span><span class='hs-layout'>,</span> <span class='hs-varid'>apply</span> <span class='hs-layout'>)</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <span class='hs-comment'>-- for ApplyMonad IO</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>PatchInfoAnd</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PatchInfoAnd</span><span class='hs-layout'>,</span> <span class='hs-varid'>hopefully</span><span class='hs-layout'>,</span> <span class='hs-varid'>info</span> <span class='hs-layout'>)</span>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Info</span> <span class='hs-layout'>(</span> <span class='hs-varid'>humanFriendly</span> <span class='hs-layout'>)</span>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Apply</span><span class='hs-layout'>(</span> <span class='hs-conid'>ApplyState</span> <span class='hs-layout'>)</span>
<a name="line-31"></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-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Printer</span> <span class='hs-layout'>(</span> <span class='hs-varid'>text</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>$$</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-33"></a>
<a name="line-34"></a><a name="applyPatches"></a><span class='hs-definition'>applyPatches</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadProgress</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>ApplyMonad</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>ApplyState</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Patchy</span> <span class='hs-varid'>p</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'>PatchInfoAnd</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'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-35"></a><span class='hs-definition'>applyPatches</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runProgressActions</span> <span class='hs-str'>"Applying patch"</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapFL</span> <span class='hs-varid'>doApply</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span>
<a name="line-36"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>doApply</span> <span class='hs-varid'>hp</span> <span class='hs-keyglyph'>=</span>
<a name="line-37"></a> <span class='hs-conid'>ProgressAction</span> <span class='hs-layout'>{</span> <span class='hs-varid'>paAction</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>apply</span> <span class='hs-layout'>(</span><span class='hs-varid'>hopefully</span> <span class='hs-varid'>hp</span><span class='hs-layout'>)</span>
<a name="line-38"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>paMessage</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>humanFriendly</span> <span class='hs-layout'>(</span><span class='hs-varid'>info</span> <span class='hs-varid'>hp</span><span class='hs-layout'>)</span>
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>paOnError</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"Unapplicable patch:"</span> <span class='hs-varop'>$$</span> <span class='hs-varid'>humanFriendly</span> <span class='hs-layout'>(</span><span class='hs-varid'>info</span> <span class='hs-varid'>hp</span><span class='hs-layout'>)</span> <span class='hs-layout'>}</span>
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