[PATCH] gzexe: fix exit status of signal handlers

[Dmitry V. Levin]

The value of `$?' on entrance to signal handlers in shell scripts
cannot be relied upon, so set the exit code explicitly to
128 + SIGTERM == 143.
* gzexe.in: Use `exit 143' in signal handler.
---
See also
http://lists.gnu.org/archive/html/bug-gnulib/2010-01/msg00361.html

 gzexe.in |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/gzexe.in b/gzexe.in
index e59b5fc..e6128c3 100644
--- a/gzexe.in
+++ b/gzexe.in
@@ -81,7 +81,8 @@ tmp=
 trap 'res=$?
   test -n "$tmp" && rm -f "$tmp"
   (exit $res); exit $res
-' 0 1 2 3 5 10 13 15
+' 0
+trap '(exit 143); exit 143' 1 2 3 5 10 13 15
 
 mktemp_status=
 
@@ -146,7 +147,7 @@ for i do
   if test $decomp -eq 0; then
     (cat <<'EOF' &&
 #!/bin/sh
-skip=44
+skip=45
 
 tab='  '
 nl='
@@ -160,7 +161,8 @@ gztmpdir=
 trap 'res=$?
   test -n "$gztmpdir" && rm -fr "$gztmpdir"
   (exit $res); exit $res
-' 0 1 2 3 5 10 13 15
+' 0
+trap '(exit 143); exit 143' 1 2 3 5 10 13 15
 
 if type mktemp >/dev/null 2>&1; then
   gztmpdir=`mktemp -dt`
-- 
ldv