substring git sha

.github/workflows/build-resume.yaml

@@ -14,10 +14,14 @@ jobs:
         runs-on: ubuntu-latest
         outputs:
             current-date: ${{ steps.get-date.outputs.current-date }}
+            commit-sha: ${{ steps.get-sha.outputs.commit-sha }}
         steps:
             - name: Get current date
               id: get-date
               run: echo "current-date=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
+            - name: Get first 7 characters of commit SHA
+              id: get-sha
+              run: echo "commit-sha=$(echo $GITHUB_SHA | cut -c1-7)" >> $GITHUB_OUTPUT
 
     build:
         needs: date-fetch
@@ -45,7 +49,7 @@ jobs:
             uses: softprops/action-gh-release@v1
             with:
               files: result/Alice_Huston_Resume_Software_Engineer.pdf
-              tag_name: alice-huston-resume-${{ needs.date-fetch.outputs.current-date }}-${{ github.sha }}
-              body: "Resume PDF built from commit ${{ github.sha }}"
+              tag_name: alice-huston-resume-${{ needs.date-fetch.outputs.current-date }}-${{ needs.date-fetch.outputs.commit-sha }}
+              body: "Resume PDF built from commit ${{ github.sha }} on ${{ needs.date-fetch.outputs.current-date }}."
             env:
               GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}