pass input tag to notes script

Author: rickeylev

.github/workflows/create_archive_and_notes.sh

@@ -27,7 +27,10 @@ fi
 
 # Set by GH actions, see
 # https://docs.github.com/en/actions/learn-github-actions/environment-variables#default-environment-variables
-TAG=${GITHUB_REF_NAME}
+if [ -z "$TAG" ]; then
+  echo "ERROR: TAG env var must be set"
+  exit 1
+fi
 # A prefix is added to better match the GitHub generated archives.
 PREFIX="rules_python-${TAG}"
 ARCHIVE="rules_python-$TAG.tar.gz"

.github/workflows/release.yml

@@ -43,6 +43,8 @@ jobs:
         with:
           ref: ${{ inputs.tag_name || github.ref_name }}
       - name: Create release archive and notes
+        env:
+          TAG: ${{ inputs.tag_name || github.ref_name }}
         run: .github/workflows/create_archive_and_notes.sh
       - name: Release
         uses: softprops/action-gh-release@v2