Add check that working folder is clean to git-run-all-in-branches.sh

scripts/git-run-all-in-branches.sh

@@ -40,6 +40,17 @@ function decolor() {
 }
 
 function main() {
+  # Check that local repo is clean
+  output=$(git status --untracked-files=no --porcelain 2>&1)
+  if [ "$?" -ne 0 ] || [ ! -z "$output" ]; then
+    # Working directory clean excluding untracked files
+    echo "Working folder is not clean. Please clean working folder and retry."
+    echo "$output"
+    return 1
+  else 
+    echo "Working folder is clean."
+  fi
+
   outputs=()
   errors=()
   for i in "${!TARGET_BRANCHES[@]}"; do