From 32c00a01b55a94c13a0c7064154bb276c0a8372c Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Sun, 2 Nov 2008 21:12:43 +0100
Subject: [PATCH] Handle exit code translation failures gracefully.

Apparantly, "X=`false`" fails with a non-zero exit code
(and the script stops), even though "echo `false`" doesn't.
---
 eval/libeval.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/eval/libeval.sh b/eval/libeval.sh
index 6d2ffb1..2bb84bb 100644
--- a/eval/libeval.sh
+++ b/eval/libeval.sh
@@ -263,14 +263,14 @@ function test-result
 	SG=${M#Caught fatal signal }
 	SG=${SG#Committed suicide by signal }
 	if [ "$SG" != "$M" ] ; then
-		SG=`kill -l $SG 2>/dev/null`
+		SG=`kill -l $SG 2>/dev/null` || SG=
 		[ -z "$SG" ] || M="$M (SIG$SG)"
 	fi
 
 	# Translate runtime errors to readable strings
 	RE=${M#Exited with error status }
 	if [ -n "$EXIT_CODE_HOOK" -a "$RE" != "$M" ] ; then
-		NEWMSG=`$EXIT_CODE_HOOK $RE`
+		NEWMSG=`$EXIT_CODE_HOOK $RE` || NEWMSG=
 		if [ -n "$NEWMSG" ] ; then
 			M="Runtime error $RE: $NEWMSG"
 		fi
-- 
2.39.2