GNU bug report logs - #54022
[PATCH] python: fix exit status handling with uninstall

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Mike Frysinger <vapier <at> gentoo.org>
To: automake-patches <at> gnu.org
Subject: [PATCH] python: fix exit status handling with uninstall
Date: Tue, 15 Feb 2022 22:38:06 -0500

The st variable is set at the top of this shell script, and then here
is a pipeline where it tries to update it in the subshell.  But since
setting variables in a subshell doesn't propagate back up, it doesn't
actually work.  Have the final subshell in the pipeline manage its own
exit status and exit with that so that the final status of the pipeline
is the right value.

* lib/am/python.am: Fix final subshell exit status passing.
---
 lib/am/python.am | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/am/python.am b/lib/am/python.am
index 8c302090aae8..e5e9dfe3bd42 100644
--- a/lib/am/python.am
+++ b/lib/am/python.am
@@ -118,9 +118,11 @@ uninstall-%DIR%PYTHON:
 ## into account.  Avoid exceeding the command-line length limit.
 	dir='$(DESTDIR)$(%NDIR%dir)'; \
 	echo "$$py_files" | $(am__pep3147_tweak) | $(am__base_list) | \
-	  while read files; do \
-	    $(am__uninstall_files_from_dir) || st=$$?; \
-	  done || exit $$?; \
+	  ( sst=0; \
+	    while read files; do \
+	      $(am__uninstall_files_from_dir) || sst=$$?; \
+	    done; \
+	    exit $$sst ) || st=$$?; \
 	exit $$st
 endif %?INSTALL%
 
-- 
2.34.1

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