1 files changed, 3 insertions, 5 deletions
diff --git a/tests/setup.sh b/tests/setup.sh
index 30f90d5..1457dd5 100755
--- a/tests/setup.sh
+++ b/tests/setup.sh
@@ -25,13 +25,11 @@ mkrepo() {
 	mkdir -p $name
 	cd $name
 	git init
-	n=1
-	while test $n -le $count
+	for ((n=1; n<=count; n++))
 	do
 		echo $n >file-$n
 		git add file-$n
 		git commit -m "commit $n"
-		n=$(expr $n + 1)
 	done
 	if test "$3" = "testplus"
 	then
@@ -103,7 +101,7 @@ run_test()
 {
 	desc=$1
 	script=$2
-	test_count=$(expr $test_count + 1)
+	((test_count++))
 	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
@@ -113,7 +111,7 @@ run_test()
 	then
 		printf " %2d) %-60s [ok]\n" $test_count "$desc"
 	else
-		test_failed=$(expr $test_failed + 1)
+		((test_failed++))
 		printf " %2d) %-60s [failed]\n" $test_count "$desc"
 	fi
 }