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"