ci(release): Append commit-based changelogs to release notes

.github/cliff.toml

@@ -0,0 +1,18 @@
+[changelog]
+header = "### Changelog\n\n"
+body = """
+{% for commit in commits %}\
+- {{ commit.message | split(pat="\n") | first }} (`{{ commit.id | truncate(length=7, end="") }}`)
+{% endfor %}
+"""
+footer = ""
+trim = true
+
+[git]
+conventional_commits = false
+filter_unconventional = false
+filter_commits = false
+commit_parsers = []
+# The rolling development tag must not become a changelog boundary.
+tag_pattern = '^v[0-9]+\.[0-9]+\.[0-9]+$'
+sort_commits = "newest"

.github/workflows/release.yml

@@ -112,6 +112,15 @@ jobs:
           sha256sum apple-docs-* > checksums.txt
           cat checksums.txt
 
+      - name: Generate changelog
+        uses: orhun/git-cliff-action@v4
+        with:
+          version: v2.14.1
+          config: .github/cliff.toml
+          args: --use-branch-tags ${{ needs.prepare.outputs.is_prerelease == 'true' && '--unreleased' || '--current' }}
+        env:
+          OUTPUT: dist/changelog.md
+
       - name: Prepare release notes
         run: |
           if [ "${{ needs.prepare.outputs.is_prerelease }}" = "true" ]; then
@@ -125,6 +134,8 @@ jobs:
               -e 's/{{BUILD_DATE}}/${{ needs.prepare.outputs.build_date }}/g' \
               -e 's|{{REPOSITORY}}|${{ github.repository }}|g' \
               "$TEMPLATE" > dist/release-notes.md
+          printf '\n' >> dist/release-notes.md
+          cat dist/changelog.md >> dist/release-notes.md
           cat dist/release-notes.md
 
       - name: Delete existing latest release (pre-release only)

Brewfile

@@ -1,4 +1,5 @@
 brew "actionlint"
 brew "dprint"
+brew "git-cliff"
 brew "pre-commit"
 brew "swiftlint"