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Blame SOURCES/bash-5.1-patch-3.patch

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diff --git a/patchlevel.h b/patchlevel.h
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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    regexp `^#define[ 	]*PATCHLEVEL', since that's what support/mkversion.sh
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    looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 2
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+#define PATCHLEVEL 3
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 #endif /* _PATCHLEVEL_H_ */
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diff --git a/subst.c b/subst.c
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--- a/subst.c
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+++ b/subst.c
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@@ -6356,8 +6356,10 @@ command_substitute (string, quoted, flags)
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 #if defined (JOB_CONTROL)
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   old_pipeline_pgrp = pipeline_pgrp;
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-  /* Don't reset the pipeline pgrp if we're already a subshell in a pipeline. */
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-  if ((subshell_environment & SUBSHELL_PIPE) == 0)
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+  /* Don't reset the pipeline pgrp if we're already a subshell in a pipeline or
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+     we've already forked to run a disk command (and are expanding redirections,
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+     for example). */
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+  if ((subshell_environment & (SUBSHELL_FORK|SUBSHELL_PIPE)) == 0)
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     pipeline_pgrp = shell_pgrp;
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   cleanup_the_pipeline ();
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 #endif /* JOB_CONTROL */