fixed bash less than in if statement

fuck you bash!

deploy.sh

@@ -16,8 +16,8 @@ if [ -f "${DEPLOY_DESTINATION_FILE}" ]; then
 fi
 
 # Check if the correct usage is respected
-if [ $# -ne 2 ]; then
+if [ $# -lt 2 ]; then
-  echo "Usage: $0 <service> <service name>"
+  echo "Usage: $0 <service> <service name> [branch/tag]"
   echo
   echo "Current settings:"
   echo "- Source      · ${DEPLOY_SOURCE}"
@@ -26,4 +26,10 @@ if [ $# -ne 2 ]; then
 fi
 
 echo "deploying ..."
-git clone "${DEPLOY_SOURCE}/${1}" "${DEPLOY_DESTINATION}/$2"
+git clone "${DEPLOY_SOURCE}/${1}" "${DEPLOY_DESTINATION}/${2}"
+
+if [ $# -eq 3 ]; then
+  pushd "${DEPLOY_DESTINATION}/${2}"
+  git checkout "${3}"
+  popd
+fi