chore: add config and workflows for release notes (#3148)

* chore: add config and workflows for release notes

* chore: cleanup release notes on publish

Author: mcasimir

.github/release.yml

@@ -0,0 +1,11 @@
+changelog:
+  exclude:
+    labels:
+      - feature flagged
+  categories:
+    - title: New Features
+      labels:
+        - feat
+    - title: Bug Fixes
+      labels:
+        - fix

.github/workflows/release-notes-cleanup.yaml

@@ -0,0 +1,40 @@
+# Release Notes are meant to be
+# displayed to users as part of the
+# auto-update process.
+#
+# The following workflow:
+# - removes the "by @username" and PR info
+# - removes the contributors section
+# - turn COMPASS-* and MONGOSH-* into links
+#
+name: Release Notes - Cleanup
+on:
+  release:
+    types: [published, edited]
+
+jobs:
+  cleanup_notes:
+    name: Cleanup Notes
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clean up notes
+        run: |
+          cat $GITHUB_EVENT_PATH | \
+            jq -r .release.body | \
+            sed 's/ by @.*//' | \
+            grep -v 'New Contributors' | \
+            grep -v '* @' | \
+            grep -v '<!--' | \
+            sed 's/COMPASS-[0-9]\{1,5\}/[&](https:\/\/jira.mongodb.org\/browse\/&)/g' | \
+            sed 's/MONGOSH-[0-9]\{1,5\}/[&](https:\/\/jira.mongodb.org\/browse\/&)/g' \
+            > RELEASE_NOTES.md
+
+      - name: Update release
+        env:
+          RELEASE_TAG: ${{ github.event.release.tag_name }}
+          GITHUB_REPO: ${{ github.repository }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release edit "${RELEASE_TAG}" \
+            --repo "${GITHUB_REPO}" \
+            --notes-file RELEASE_NOTES.md

.github/workflows/release-notes-labels.yaml

@@ -0,0 +1,56 @@
+# Prepare and validate a PR for auto-generated release notes:
+# - if the title starts with `feat` or `fix` adds the label (`feat`, `fix`) used
+#   by the release notes to include the PR in the appropriate section.
+# - each PR that is a `feat` or `fix` must also include either a
+#   `feature flagged` or `release notes` label, PRs that have the `feature flagged`
+#   label will not be included in the release notes.
+#
+name: Release Notes - Labels
+on:
+  pull_request:
+    types: [opened, edited, labeled, unlabeled, synchronize]
+jobs:
+  label:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - name: remove label
+        uses: actions-ecosystem/action-remove-labels@v1
+        with:
+          labels: |
+            fix
+            feat
+
+      - name: add label based on title - fix
+        if: |
+          startsWith(github.event.pull_request.title, 'fix:') ||
+          startsWith(github.event.pull_request.title, 'fix(')
+        uses: actions-ecosystem/action-add-labels@v1
+        with:
+          labels: fix
+
+      - name: add label based on title - feat
+        if: |
+          startsWith(github.event.pull_request.title, 'feat:') ||
+          startsWith(github.event.pull_request.title, 'feat(')
+        uses: actions-ecosystem/action-add-labels@v1
+        with:
+          labels: feat
+
+      - uses: mheap/github-action-required-labels@v1
+        with:
+          mode: maximum
+          count: 0
+          labels: "wip, work in progress, work-in-progress"
+
+      - uses: mheap/github-action-required-labels@v1
+        if: |
+          startsWith(github.event.pull_request.title, 'fix:') ||
+          startsWith(github.event.pull_request.title, 'fix(') ||
+          startsWith(github.event.pull_request.title, 'feat:') ||
+          startsWith(github.event.pull_request.title, 'feat(')
+        with:
+          mode: minimum
+          count: 1
+          labels: "feature flagged, release notes"