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<h3>
Marge Bot pushed to branch master
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b94a65afe1e270245cd5b9fe03d59b726dfba8c4">b94a65af</a></strong>
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<span>by jneira</span>
<i>at 2020-11-30T19:49:31-05:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Include tried paths in findToolDir error
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<h4>1 changed file:</h4>
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compiler/GHC/SysTools/BaseDir.hs
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<h4>Changes:</h4>
<li id="28fad507b4468b31856e302f613cbc3f9882ad34">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b94a65afe1e270245cd5b9fe03d59b726dfba8c4#28fad507b4468b31856e302f613cbc3f9882ad34"><strong>compiler/GHC/SysTools/BaseDir.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -185,17 +185,19 @@ findToolDir</td>
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185
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<pre style="margin: 0;"> <span id="LC185" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">FilePath</span> <span class="c1" style="color: #998; font-style: italic;">-- ^ topdir</span></span>
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186
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<pre style="margin: 0;"> <span id="LC186" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">FilePath</span><span class="p">)</span></span>
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187
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<pre style="margin: 0;"> <span id="LC187" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">defined</span><span class="p">(</span><span class="n" style="color: #333;">mingw32_HOST_OS</span><span class="p">)</span> <span class="o" style="font-weight: 600;">&&</span> <span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">defined</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">USE_INPLACE_MINGW_TOOLCHAIN</span><span class="p">)</span></span>
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188
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<pre style="margin: 0;">-<span id="LC188" class="line" lang="haskell"><span class="n" style="color: #333;">findToolDir</span> <span class="n" style="color: #333;">top_dir</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="mi" style="color: #099;">0</span> <span class="p">(</span><span class="n" style="color: #333;">top_dir</span> <span class="o" style="font-weight: 600;"></></span> <span class="s" style="color: #d14;">".."</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC188" class="line" lang="haskell"><span class="n" style="color: #333;">findToolDir</span> <span class="n" style="color: #333;">top_dir</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">go</span> <span class="mi" style="color: #099;">0</span> <span class="p">(</span><span class="n" style="color: #333;">top_dir</span> <span class="o" style="font-weight: 600;"></></span> <span class="s" style="color: #d14;">".."</span><span class="p">)</span><span class="idiff left"> </span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff right">[]</span></span></span>
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189
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<pre style="margin: 0;"> <span id="LC189" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">where</span> <span class="n" style="color: #333;">maxDepth</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">3</span></span>
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<pre style="margin: 0;">-<span id="LC190" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">FilePath</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">FilePath</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC191" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">path</span></span>
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<pre style="margin: 0;">+<span id="LC190" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">Int</span> <span class="o" style="font-weight: 600;">-></span> <span class="kt" style="color: #458; font-weight: 600;">FilePath</span> <span class="o" style="font-weight: 600;">-></span> <span class="p"><span class="idiff left">[</span></span><span class="kt" style="color: #458; font-weight: 600;"><span class="idiff">FilePath</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">-></span></span><span class="idiff right"> </span><span class="kt" style="color: #458; font-weight: 600;">IO</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Maybe</span> <span class="kt" style="color: #458; font-weight: 600;">FilePath</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC191" class="line" lang="haskell"> <span class="n" style="color: #333;">go</span> <span class="n" style="color: #333;">k</span> <span class="n" style="color: #333;">path</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">tried</span></span></span>
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<pre style="margin: 0;"> <span id="LC192" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">k</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">maxDepth</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">throwGhcExceptionIO</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;">-<span id="LC193" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">InstallationError</span> <span class="s" style="color: #d14;"><span class="idiff left right">"could not detect mingw toolchain"</span></span></span>
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<pre style="margin: 0;">+<span id="LC193" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">InstallationError</span> <span class="o" style="font-weight: 600;"><span class="idiff left">$</span></span><span class="idiff"> </span><span class="s" style="color: #d14;"><span class="idiff">"could not detect mingw toolchain in the following paths: "</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">++</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">show</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">tried</span></span></span>
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<pre style="margin: 0;"> <span id="LC194" class="line" lang="haskell"> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">otherwise</span> <span class="o" style="font-weight: 600;">=</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC195" class="line" lang="haskell"> <span class="n" style="color: #333;">oneLevel</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">doesDirectoryExist</span> <span class="p">(</span><span class="n" style="color: #333;">path</span> <span class="o" style="font-weight: 600;"></></span> <span class="s" style="color: #d14;">"mingw"</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC195" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">try</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">path</span> <span class="o" style="font-weight: 600;"></></span> <span class="s" style="color: #d14;">"mingw"</span></span>
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<pre style="margin: 0;">+<span id="LC196" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">let</span> <span class="n" style="color: #333;">tried</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">tried</span> <span class="o" style="font-weight: 600;">++</span> <span class="p">[</span><span class="n" style="color: #333;">try</span><span class="p">]</span></span>
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197
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<pre style="margin: 0;">+<span id="LC197" class="line" lang="haskell"> <span class="n" style="color: #333;">oneLevel</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">doesDirectoryExist</span> <span class="n" style="color: #333;">try</span></span>
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196
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198
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<pre style="margin: 0;"> <span id="LC198" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">oneLevel</span></span>
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197
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199
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<pre style="margin: 0;"> <span id="LC199" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">return</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Just</span> <span class="n" style="color: #333;">path</span><span class="p">)</span></span>
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198
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<pre style="margin: 0;">-<span id="LC198" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="n" style="color: #333;">k</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">path</span> <span class="o" style="font-weight: 600;"></></span> <span class="s" style="color: #d14;">".."</span><span class="p">)</span></span>
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200
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<pre style="margin: 0;">+<span id="LC200" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">else</span> <span class="n" style="color: #333;">go</span> <span class="p">(</span><span class="n" style="color: #333;">k</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">)</span> <span class="p">(</span><span class="n" style="color: #333;">path</span> <span class="o" style="font-weight: 600;"></></span> <span class="s" style="color: #d14;">".."</span><span class="p">)</span><span class="idiff left"> </span><span class="n" style="color: #333;"><span class="idiff right">tried</span></span></span>
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199
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201
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<pre style="margin: 0;"> <span id="LC201" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="kr" style="font-weight: 600;">else</span></span>
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200
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202
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<pre style="margin: 0;"> <span id="LC202" class="line" lang="haskell"><span class="n" style="color: #333;">findToolDir</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">return</span> <span class="kt" style="color: #458; font-weight: 600;">Nothing</span></span>
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201
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203
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<pre style="margin: 0;"> <span id="LC203" class="line" lang="haskell"><span class="o" style="font-weight: 600;">#</span><span class="n" style="color: #333;">endif</span></span></pre>
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