A much more elaborate way to determine target docs folder

Author: gonzalocasas

.github/workflows/docs.yml

@@ -29,13 +29,23 @@ jobs:
         if: ${{ success() }}
         run: |
           invoke docs
-          BRANCH_OR_TAG=${GITHUB_REF##*/}
-          echo "Detected branch/tag: $BRANCH_OR_TAG"
-          if [ $BRANCH_OR_TAG = "master" ]; then
-            BRANCH_OR_TAG="latest"
+
+          # Get branch/tag/latest name from git
+          GITHUB_REF_REGEX="tags/([0-9a-zA-Z\.\-]+)|(pull/[0-9]+)|heads/(.+)"
+
+          if [[ $GITHUB_REF =~ $GITHUB_REF_REGEX ]]; then
+            if [[ $BASH_REMATCH = pull* ]]; then
+              BRANCH_OR_TAG=pull_${BASH_REMATCH##*/}
+            else
+              BRANCH_OR_TAG=${BASH_REMATCH##*/}
+            fi;
+            if [[ $BRANCH_OR_TAG = master ]]; then
+              BRANCH_OR_TAG=latest
+            fi;
           fi;
-          mkdir -p deploy/compas_fab/$BRANCH_OR_TAG && mv -T dist/docs deploy/compas_fab/$BRANCH_OR_TAG/
+
           echo "Docs will be deployed to https://gramaziokohler.github.io/compas_fab/$BRANCH_OR_TAG"
+          mkdir -p deploy/compas_fab/$BRANCH_OR_TAG && mv -T dist/docs deploy/compas_fab/$BRANCH_OR_TAG/
       - name: Deploy docs
         if: success()
         uses: crazy-max/ghaction-github-pages@v2