Merge pull request #124 from staticdev/pipefail

pipefail release

.github/workflows/release.yml

@@ -30,12 +30,18 @@ jobs:
           pip install --constraint=.github/workflows/constraints.txt poetry
           poetry --version
 
+      - name: Check if there is a parent commit
+        id: check-parent-commit
+        run: |
+          echo "::set-output name=sha::$(git rev-parse --verify --quiet HEAD^)"
+
       - name: Detect and tag new version
         id: check-version
+        if: steps.check-parent-commit.outputs.sha
         uses: salsify/[email protected]
         with:
           version-command: |
-            poetry version | awk '{ print $2 }'
+            bash -o pipefail -c "poetry version | awk '{ print \$2 }'"
 
       - name: Bump version for developmental release
         if: "! steps.check-version.outputs.tag"