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Bash-5.1 patch 3: fix command substitution in here-document from child process in wrong process group

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This commit is contained in:
Chet Ramey
2020-12-19 14:29:01 -05:00
parent ba970fdb2d
commit a042c731ee
2 changed files with 5 additions and 3 deletions
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patchlevel.h
+1 -1
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@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
#define PATCHLEVEL 2
#define PATCHLEVEL 3
#endif /* _PATCHLEVEL_H_ */
subst.c
+4 -2
View File
@@ -6356,8 +6356,10 @@ command_substitute (string, quoted, flags)
#if defined (JOB_CONTROL)
old_pipeline_pgrp = pipeline_pgrp;
/* Don't reset the pipeline pgrp if we're already a subshell in a pipeline. */
if ((subshell_environment & SUBSHELL_PIPE) == 0)
/* Don't reset the pipeline pgrp if we're already a subshell in a pipeline or
we've already forked to run a disk command (and are expanding redirections,
for example). */
if ((subshell_environment & (SUBSHELL_FORK|SUBSHELL_PIPE)) == 0)
pipeline_pgrp = shell_pgrp;
cleanup_the_pipeline ();
#endif /* JOB_CONTROL */