vendor/bats/libexec/bats-exec-suite in busser-bats-0.2.0 vs vendor/bats/libexec/bats-exec-suite in busser-bats-0.3.0

@@ -15,11 +15,11 @@
 
 trap "kill 0; exit 1" int
 
 count=0
 for filename in "$@"; do
-  count=$(($count + $(bats-exec-test -c "$filename")))
+  let count+="$(bats-exec-test -c "$filename")"
 done
 
 if [ -n "$count_only_flag" ]; then
   echo "$count"
   exit
@@ -33,14 +33,14 @@
   {
     IFS= read -r # 1..n
     while IFS= read -r line; do
       case "$line" in
       "begin "* )
-        index=$(($index + 1))
+        let index+=1
         echo "${line/ $index / $(($offset + $index)) }"
         ;;
       "ok "* | "not ok "* )
-        [ -n "$extended_syntax_flag" ] || index=$(($index + 1))
+        [ -n "$extended_syntax_flag" ] || let index+=1
         echo "${line/ $index / $(($offset + $index)) }"
         [ "${line:0:6}" != "not ok" ] || status=1
         ;;
       * )
         echo "$line"