feat(status): Phase 2 — substrate status surface (0.5.0) (#33) #3
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| name: Release on merge | |
| # Auto-tag + auto-publish GitHub Release whenever VERSION changes on main. | |
| # Composes with validate-release.yml (PR gate) so this workflow trusts that | |
| # the merged VERSION is semver, monotonic, and matched by a CHANGELOG section. | |
| # | |
| # Idempotent: if `vX.Y.Z` already exists (e.g. tagged manually before this | |
| # workflow shipped) the run skips silently — no overwrite, no duplicate. | |
| on: | |
| push: | |
| branches: [main] | |
| paths: | |
| - VERSION | |
| permissions: | |
| contents: write # tag push + gh release create | |
| concurrency: | |
| group: release-on-merge | |
| cancel-in-progress: false | |
| jobs: | |
| release: | |
| name: Tag + GitHub Release | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 # full history so we can check existing tags | |
| - name: Read VERSION | |
| id: version | |
| run: | | |
| set -euo pipefail | |
| v="$(tr -d '[:space:]' < VERSION)" | |
| if ! printf '%s' "$v" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+$'; then | |
| echo "::error file=VERSION::not semver X.Y.Z: '$v'" | |
| exit 1 | |
| fi | |
| echo " version=$v" | |
| echo "version=$v" >> "$GITHUB_OUTPUT" | |
| echo "tag=v$v" >> "$GITHUB_OUTPUT" | |
| - name: Check existing tag | |
| id: tag_check | |
| run: | | |
| set -euo pipefail | |
| tag="${{ steps.version.outputs.tag }}" | |
| if git rev-parse "$tag" >/dev/null 2>&1; then | |
| echo " $tag already exists — skipping release." | |
| echo "exists=true" >> "$GITHUB_OUTPUT" | |
| else | |
| echo " $tag is new — will create." | |
| echo "exists=false" >> "$GITHUB_OUTPUT" | |
| fi | |
| - name: Extract release notes from CHANGELOG | |
| if: steps.tag_check.outputs.exists == 'false' | |
| id: notes | |
| run: | | |
| set -euo pipefail | |
| v="${{ steps.version.outputs.version }}" | |
| awk -v ver="$v" ' | |
| $0 ~ "^## " ver "( |$)" { flag=1; next } | |
| flag && /^## / { exit } | |
| flag { print } | |
| ' CHANGELOG.md > /tmp/release-notes.md | |
| if [ ! -s /tmp/release-notes.md ]; then | |
| echo "::error file=CHANGELOG.md::no '## $v' section found" | |
| exit 1 | |
| fi | |
| # Title = first `### ` heading inside the section, else fall back to vX.Y.Z. | |
| title=$(awk '/^### / { sub(/^### /, ""); print; exit }' /tmp/release-notes.md) | |
| [ -z "$title" ] && title="${{ steps.version.outputs.tag }}" | |
| echo " title=$title" | |
| # Multi-line outputs need the heredoc form. | |
| { | |
| echo "title<<EOT" | |
| echo "$title" | |
| echo "EOT" | |
| } >> "$GITHUB_OUTPUT" | |
| - name: Tag + create GitHub Release | |
| if: steps.tag_check.outputs.exists == 'false' | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| set -euo pipefail | |
| tag="${{ steps.version.outputs.tag }}" | |
| title="${{ steps.notes.outputs.title }}" | |
| git config user.name "github-actions[bot]" | |
| git config user.email "41898282+github-actions[bot]@users.noreply.github.com" | |
| git tag -a "$tag" -m "$tag — $title" | |
| git push origin "$tag" | |
| gh release create "$tag" \ | |
| --title "$tag — $title" \ | |
| --notes-file /tmp/release-notes.md | |
| echo " ✓ released $tag" |