output sha as tag

.github/workflows/main-draft.yml

@@ -23,16 +23,15 @@ jobs:
         id: vars
         shell: bash
         run: |
-          echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
           echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"
       - name: Create Release
         id: create_release
         uses: actions/create-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: ${{ sha_short }}_draft
-          release_name: ${{ sha_short }}_draft
+          tag_name: ${{ steps.vars.outputs.sha_short }}_draft
+          release_name: ${{ steps.vars.outputs.sha_short }}_draft
           draft: false
           prerelease: true
       - name: Upload Release Asset
@@ -43,7 +42,7 @@ jobs:
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
           asset_path: ./root.pdf
-          asset_name: ${{ sha_short }}_draft.pdf
+          asset_name: ${{ steps.vars.outputs.sha_short }}_draft.pdf
           asset_content_type: application/pdf