chore: fix release workflow whene there are no changes (#847)

.github/workflows/release.yml

@@ -47,18 +47,19 @@ jobs:
             set -o xtrace # Trace the execution of the script (debug)
           fi
 
-          changed_paths=$(gh pr view --json files --jq '.files.[].path' "${{ github.event.pull_request.number }}" | cut -d / -f 1,2 | uniq)
-          changed_packages=$(echo "$changed_paths" | grep ./packages)
-          pnpm_options=''
-          for path in $changed_packages; do
-            pnpm_options="${pnpm_options} --filter ./${path}"
-          done
+          changed_paths="$(gh pr view --json files --jq '.files.[].path' "${{ github.event.pull_request.number }}" | cut -d / -f 1,2 | uniq)"
+          changed_packages="$(echo "$changed_paths" | grep ./packages)"
 
-          if [ "$pnpm_options" = "" ]; then
+          if [ "$changed_packages" = "" ]; then
             echo -e "No packages to release:\n ${changed_paths}" >> $GITHUB_STEP_SUMMARY
             exit 0;
           fi
 
+          pnpm_options=''
+          for path in $changed_packages; do
+            pnpm_options="${pnpm_options} --filter ./${path}"
+          done
+
           echo "running: pnpm run -r $pnpm_options release" >> $GITHUB_STEP_SUMMARY
           pnpm run -r $pnpm_options release