tests/setup.sh: allow testsuite to fail properly with POSIX standard shells

The "((expr))" construct is not implemented by e.g. dash, so this commit
replaces the construct with a more portable one.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/setup.sh b/tests/setup.sh
index 95acb54..30f90d5 100755
--- a/tests/setup.sh
+++ b/tests/setup.sh
@@ -104,25 +104,25 @@ run_test()
 	desc=$1
 	script=$2
 	test_count=$(expr $test_count + 1)
 	printf "\ntest %d: name='%s'\n" $test_count "$desc" >>test-output.log
 	printf "test %d: eval='%s'\n" $test_count "$2" >>test-output.log
 	eval "$2" >>test-output.log 2>>test-output.log
 	res=$?
 	printf "test %d: exitcode=%d\n" $test_count $res >>test-output.log
 	if test $res = 0
 	then
 		printf " %2d) %-60s [ok]\n" $test_count "$desc"
 	else
-		((test_failed++))
+		test_failed=$(expr $test_failed + 1)
 		printf " %2d) %-60s [failed]\n" $test_count "$desc"
 	fi
 }
 
 cgit_query()
 {
 	CGIT_CONFIG="$PWD/trash/cgitrc" QUERY_STRING="$1" "$PWD/../cgit"
 }
 
 cgit_url()
 {
 	CGIT_CONFIG="$PWD/trash/cgitrc" QUERY_STRING="url=$1" "$PWD/../cgit"