Merge pull request #6678 from nextcloud-libraries/backport/5202/next

[next] chore: Make CHANGELOG.md content consistent styling

Author: susnux

.github/workflows/lint-changelog.yml

@@ -0,0 +1,80 @@
+# SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: MIT
+
+name: Changelog
+
+on: pull_request
+
+permissions:
+  contents: read
+
+concurrency:
+  group: node-changelog-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  changes:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+
+    outputs:
+      src: ${{ steps.changes.outputs.src}}
+
+    steps:
+      - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
+        id: changes
+        continue-on-error: true
+        with:
+          filters: |
+            src:
+              - 'CHANGELOG.md'
+
+  lint:
+    runs-on: ubuntu-latest
+
+    needs: changes
+    if: needs.changes.outputs.src != 'false'
+
+    name: Lint changelog
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+
+      - name: Set up node
+        uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
+        with:
+          node-version-file: 'package.json'
+
+      - name: Install dependencies and lint
+        run: |
+          npm ci
+          npm run prerelease:format-changelog
+
+      - name: Check CHANGELOG changes
+        run: |
+          bash -c "[[ ! \"`git status --porcelain `\" ]] || (echo 'Please adjust the style of the CHANGELOG and commit it. Run \"npm run prerelease:format-changelog\"' && exit 1)"
+
+      - name: Show changes on failure
+        if: failure()
+        run: |
+          git status
+          git diff CHANGELOG.md
+          exit 1 # make it red to grab attention
+
+  summary:
+    permissions:
+      contents: none
+    runs-on: ubuntu-latest
+    needs: [changes, lint]
+
+    if: always()
+
+    name: Changelog lint summary
+
+    steps:
+      - name: Summary status
+        run: if ${{ needs.changes.outputs.src != 'false' && needs.lint.result != 'success' }}; then exit 1; fi