unset TAR_OPTIONS
AT_CHECK([
+AT_UNPRIVILEGED_PREREQ
AT_GZIP_PREREQ
AT_SORT_PREREQ
sed -n '/(child)/p' err >&2
rm err
find . | sort
-exit $EC
+# Gzip exit code is propagated to the shell. Usually it is
+# 141. We convert all non-zero exits to 2 to make it predictable.
+test $EC && exit 2
],
[2],
[.