Merge pull request #1234 from planetscale/republish-release

Update release workflow to support re-publishing existing releases

Author: joshmgross

.github/workflows/release.yml

@@ -2,14 +2,26 @@ name: Release
 
 on:
   workflow_dispatch:
+    inputs:
+      version:
+        description: >-
+          Existing version tag to re-publish (e.g. v0.200.0).
+          Leave empty to bump and release a new version.
+        required: false
 
 jobs:
   release:
-    if: github.ref == 'refs/heads/main'
+    # This workflow should always be run on main - this is enforced by the
+    # `release` environment directly but added here for visibility.
+    # If the workflow fails during publishing, run a new workflow
+    # with the `version` that needs to be published.
+    if: github.ref == 'refs/heads/main' && github.run_attempt == '1'
+
     runs-on: ubuntu-latest
     environment: release
     permissions:
       contents: read
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
@@ -22,16 +34,30 @@ jobs:
           git config user.name "planetscale-actions-bot"
           git config user.email "60239337+planetscale-actions-bot@users.noreply.github.com"
 
+      - name: Checkout existing tag
+        if: inputs.version != ''
+        run: git checkout "refs/tags/$VERSION"
+        env:
+          VERSION: ${{ inputs.version }}
+
       - name: Bump version and push tag
+        if: inputs.version == ''
         id: bump
         env:
           GITHUB_TOKEN: ${{ secrets.RELEASE_GITHUB_TOKEN }}
         run: script/bump-version.sh
 
+      - name: Resolve version
+        id: version
+        env:
+          INPUT_VERSION: ${{ inputs.version }}
+          BUMP_VERSION: ${{ steps.bump.outputs.RELEASE_VERSION }}
+        run: echo "TAG=${INPUT_VERSION:-$BUMP_VERSION}" >> "$GITHUB_OUTPUT"
+
       - name: Publish artifacts
         env:
           GITHUB_TOKEN: ${{ secrets.RELEASE_GITHUB_TOKEN }}
-          GORELEASER_CURRENT_TAG: ${{ steps.bump.outputs.RELEASE_VERSION }}
+          GORELEASER_CURRENT_TAG: ${{ steps.version.outputs.TAG }}
           DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
           DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
           AUR_KEY: ${{ secrets.AUR_KEY }}