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https://gerrit.wikimedia.org/r/mediawiki/extensions/Math
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Log texvc errors in 'texvc' log channel
This patch adds wfDebugLog() calls for conditions related to texvc invocations. The logs are grouped under a 'texvc' group, added for this purpose. The reason for logging into a separate channel is that the Math channel is too verbose for production use on the Wikimedia cluster. Change-Id: I05a17a0230f49f5d698b91617d06b3e3f838b67d
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@ -129,6 +129,7 @@ class MathTexvc extends MathRenderer {
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global $wgTexvc, $wgTexvcBackgroundColor, $wgUseSquid, $wgMathCheckFiles;
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$tmpDir = wfTempDir();
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if ( !is_executable( $wgTexvc ) ) {
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wfDebugLog( 'texvc', "$wgTexvc does not exist or is not executable." );
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return $this->getError( 'math_notexvc' );
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}
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@ -146,13 +147,17 @@ class MathTexvc extends MathRenderer {
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$cmd = 'sh -c ' . wfEscapeShellArg( $cmd );
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}
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wfDebugLog( 'Math', "TeX: $cmd\n" );
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$contents = wfShellExec( $cmd );
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wfDebugLog( 'texvc', "Executing '$cmd'." );
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$retval = null;
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$contents = wfShellExec( $cmd, $retval );
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wfDebugLog( 'Math', "TeX output:\n $contents\n---\n" );
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if ( strlen( $contents ) == 0 ) {
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if ( !file_exists( $tmpDir ) || !is_writable( $tmpDir ) ) {
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wfDebugLog( 'texvc', "TeX output directory $tmpDir is missing or not writable" );
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return $this->getError( 'math_bad_tmpdir' );
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} else {
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wfDebugLog( 'texvc', "TeX command '$cmd' returned no output and status code $retval." );
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return $this->getError( 'math_unknown_error' );
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}
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}
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