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<h3>
Ben Gamari pushed to branch wip/T18835
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/ecba68a997090529222d9c0ff547305dba648776">ecba68a9</a></strong>
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<span>by Ben Gamari</span>
<i>at 2020-10-13T10:11:42-04:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">hadrian: Suppress xelatex output unless it fails
As noted in #18835, xelatex produces an absurd amount of output, nearly
all of which is meaningless. Silence this.
Fixes #18835.
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<h4>1 changed file:</h4>
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hadrian/src/Builder.hs
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<h4>Changes:</h4>
<li id="f2d774357fa6061a6d5972714cf4ad7a22e37695">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ecba68a997090529222d9c0ff547305dba648776#f2d774357fa6061a6d5972714cf4ad7a22e37695"><strong>hadrian/src/Builder.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">@@ -286,7 +286,18 @@ instance H.Builder Builder where</td>
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<pre style="margin: 0;"> <span id="LC286" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Makeinfo</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="LC287" class="line" lang="haskell"> <span class="n" style="color: #333;">cmd'</span> <span class="n" style="color: #333;">echo</span> <span class="p">[</span><span class="n" style="color: #333;">path</span><span class="p">]</span> <span class="s" style="color: #d14;">"--no-split"</span> <span class="p">[</span> <span class="s" style="color: #d14;">"-o"</span><span class="p">,</span> <span class="n" style="color: #333;">output</span><span class="p">]</span> <span class="p">[</span><span class="n" style="color: #333;">input</span><span class="p">]</span></span>
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<pre style="margin: 0;"> <span id="LC288" class="line" lang="haskell"></span>
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<pre style="margin: 0;">-<span id="LC289" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Xelatex</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">unit</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmd'</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Cwd</span> <span class="n" style="color: #333;">output</span><span class="p">]</span> <span class="p">[</span><span class="n" style="color: #333;">path</span><span class="p">]</span> <span class="n" style="color: #333;">buildArgs</span></span>
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<pre style="margin: 0;">+<span id="LC289" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Xelatex</span> <span class="o" style="font-weight: 600;">-></span></span>
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<pre style="margin: 0;">+<span id="LC290" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- xelatex produces an incredible amount of output, almost</span></span>
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<pre style="margin: 0;">+<span id="LC291" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- all of which is useless. Suppress it unless user</span></span>
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<pre style="margin: 0;">+<span id="LC292" class="line" lang="haskell"> <span class="c1" style="color: #998; font-style: italic;">-- requests a loud build.</span></span>
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<pre style="margin: 0;">+<span id="LC293" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">verbosity</span> <span class="o" style="font-weight: 600;">>=</span> <span class="kt" style="color: #458; font-weight: 600;">Loud</span></span>
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<pre style="margin: 0;">+<span id="LC294" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">then</span> <span class="n" style="color: #333;">cmd'</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Cwd</span> <span class="n" style="color: #333;">output</span><span class="p">]</span> <span class="p">[</span><span class="n" style="color: #333;">path</span><span class="p">]</span> <span class="n" style="color: #333;">buildArgs</span></span>
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<pre style="margin: 0;">+<span id="LC295" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">else</span> <span class="kr" style="font-weight: 600;">do</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">Stdouterr</span> <span class="n" style="color: #333;">out</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">Exit</span> <span class="n" style="color: #333;">code</span><span class="p">)</span> <span class="o" style="font-weight: 600;"><-</span> <span class="n" style="color: #333;">cmd'</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Cwd</span> <span class="n" style="color: #333;">output</span><span class="p">]</span> <span class="p">[</span><span class="n" style="color: #333;">path</span><span class="p">]</span> <span class="n" style="color: #333;">buildArgs</span></span>
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<pre style="margin: 0;">+<span id="LC296" class="line" lang="haskell"> <span class="n" style="color: #333;">when</span> <span class="p">(</span><span class="n" style="color: #333;">code</span> <span class="o" style="font-weight: 600;">/=</span> <span class="kt" style="color: #458; font-weight: 600;">ExitSuccess</span><span class="p">)</span> <span class="o" style="font-weight: 600;">$</span></span>
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<pre style="margin: 0;">+<span id="LC297" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">BSL</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">hPutStrLn</span> <span class="n" style="color: #333;">stderr</span> <span class="n" style="color: #333;">out</span></span>
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<pre style="margin: 0;">+<span id="LC298" class="line" lang="haskell"> <span class="n" style="color: #333;">putFailure</span> <span class="s" style="color: #d14;">"xelatex failed!"</span></span>
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<pre style="margin: 0;">+<span id="LC299" class="line" lang="haskell"> <span class="n" style="color: #333;">fail</span> <span class="s" style="color: #d14;">"xelatex failed"</span></span>
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<pre style="margin: 0;">+<span id="LC300" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC301" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Makeindex</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">unit</span> <span class="o" style="font-weight: 600;">$</span> <span class="n" style="color: #333;">cmd'</span> <span class="p">[</span><span class="kt" style="color: #458; font-weight: 600;">Cwd</span> <span class="n" style="color: #333;">output</span><span class="p">]</span> <span class="p">[</span><span class="n" style="color: #333;">path</span><span class="p">]</span> <span class="p">(</span><span class="n" style="color: #333;">buildArgs</span> <span class="o" style="font-weight: 600;">++</span> <span class="p">[</span><span class="n" style="color: #333;">input</span><span class="p">])</span></span>
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<pre style="margin: 0;"> <span id="LC302" class="line" lang="haskell"></span>
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<td class="diff-line-num new_line" data-linenumber="303" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
303
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<pre style="margin: 0;"> <span id="LC303" class="line" lang="haskell"> <span class="kt" style="color: #458; font-weight: 600;">Tar</span> <span class="kr" style="font-weight: 600;">_</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">cmd'</span> <span class="n" style="color: #333;">buildOptions</span> <span class="n" style="color: #333;">echo</span> <span class="p">[</span><span class="n" style="color: #333;">path</span><span class="p">]</span> <span class="n" style="color: #333;">buildArgs</span></span>
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