1 file changed, 5 insertions, 3 deletions
diff --git a/tests/setup.sh b/tests/setup.sh
index 93a663a..aac498c 100755
--- a/tests/setup.sh
+++ b/tests/setup.sh
@@ -56,7 +56,8 @@ FILTER_DIRECTORY=$(cd ../filters && pwd)
 
 # Lua filters only work when cgit was compiled with Lua, so the tests that use
 # them have to ask the binary rather than assume.
-if cgit --version | grep -F -q "[+] Lua scripting"; then
+if cgit --version | grep -F -q "[+] Lua scripting"
+then
 	export CGIT_HAS_LUA=1
 else
 	export CGIT_HAS_LUA=0
@@ -78,7 +79,7 @@ mkrepo() {
 			echo $n >file-$n
 			git add file-$n
 			git commit -m "commit $n"
-			n=$(expr $n + 1)
+			n=$((n + 1))
 		done
 		case "$variant" in
 		testplus)
@@ -146,7 +147,8 @@ repo.source-filter=exec:$FILTER_DIRECTORY/dump.sh
 repo.readme=master:a+b
 EOF
 
-	if [ $CGIT_HAS_LUA -eq 1 ]; then
+	if test "$CGIT_HAS_LUA" -eq 1
+	then
 		cat >>cgitrc <<EOF
 repo.url=filter-lua
 repo.path=$PWD/repos/filter/.git