fix(ci): correct comparison and add debugging

Author: benjie

scripts/ci

@@ -9,13 +9,16 @@ echo "########################################"
 echo "#"
 echo "# Checking for unformatted/out of date files"
 echo "#"
+echo "# Ref: $GITHUB_REF"
+echo "# Base ref: $GITHUB_BASE_REF"
+echo "#"
 echo
 
 echo "Undoing changes to autogenerated files"
 git checkout -- src/data/examples.json
 git checkout -- src/pages/postgraphile/usage-*.md
 
-if [ "$GITHUB_TOKEN" != "" ] && [ "$GITHUB_BASE_REF" != "" ] && [ "$GITHUB_REF" == "ref/heads/develop" ]; then
+if [ "$GITHUB_TOKEN" != "" ] && [ "$GITHUB_BASE_REF" == "" ] && [ "$GITHUB_REF" == "ref/heads/develop" ]; then
   echo "GITHUB_TOKEN is specified"
 
   # git diff-index only looks at modified timestamps; this update-index call