ci: Labels and MSRV tuning (#47)

Continuation of #46, which I reverted

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: tjtelan

.github/assets/msrv-badge.svg

@@ -0,0 +1,5 @@
+changelog-updated:
+  - CHANGELOG.md
+
+msrv-updated:
+  - .github/assets/msrv-badge.svg

.github/labeler.yml

@@ -38,71 +38,6 @@ jobs:
       - uses: Swatinem/rust-cache@v1
       - name: cargo check - ${{ matrix.cargo_checks.name }}
         run: cargo ${{ matrix.cargo_checks.subcommand }}
-  #generate_changelog:
-  #  name: Generate changelog
-  #  runs-on: ubuntu-latest
-  #  steps:
-  #    - name: Checkout
-  #      uses: actions/checkout@v2
-  #      with:
-  #        fetch-depth: 0
-  #    - name: Install Rust
-  #      uses: actions-rs/toolchain@v1
-  #      with:
-  #        toolchain: stable
-  #        profile: minimal
-  #        override: true
-  #    - uses: Swatinem/rust-cache@v1
-  #      with:
-  #        key: changelog
-  #    - name: Generate a changelog
-  #      uses: orhun/git-cliff-action@v1
-  #      id: git-cliff
-  #      with:
-  #        config: cliff.toml
-  #        args: --verbose
-  #      env:
-  #        OUTPUT: CHANGELOG-generated.md
-  #    - name: Print the changelog
-  #      run: cat "${{ steps.git-cliff.outputs.changelog }}"
-  #    - name: Upload generated CHANGELOG
-  #      uses: actions/upload-artifact@v2
-  #      with:
-  #        name: CHANGELOG-generated
-  #        path: CHANGELOG-generated.md
-  #        retention-days: 1
-
-  #commit_changelog:
-  #  name: Commit changelog
-  #  #if: github.event_name == 'push' && github.ref == 'refs/heads/staging'
-  #  needs:
-  #    - ci
-  #    - generate_changelog
-  #  runs-on: ubuntu-latest
-  #  steps:
-  #    - name: Checkout
-  #      uses: actions/checkout@v2
-  #      with:
-  #        fetch-depth: 0
-  #    - name: Git branch name
-  #      id: git-branch-name
-  #      uses: EthanSK/git-branch-name-action@v1
-  #    - name: Echo the branch name
-  #      run: echo "Branch name ${GIT_BRANCH_NAME}"
-  #    - name: Download generated CHANGELOG
-  #      uses: actions/download-artifact@v2
-  #      with:
-  #        name: CHANGELOG-generated
-  #        path: /tmp
-  #    - name: Copy over changelog
-  #      run: cp /tmp/CHANGELOG-generated.md CHANGELOG.md
-  #    - uses: EndBug/add-and-commit@v9
-  #      with:
-  #        add: CHANGELOG.md
-  #        new_branch: ${{ env.GIT_BRANCH_NAME }}
-  #        #new_branch: staging
-  #        default_author: github_actions
-  #        message: "[skip ci] Update CHANGELOG from Github Actions"
 
   update-project-stuff:
     if: github.event_name == 'push' && github.ref == 'refs/heads/staging'

.github/workflows/ci.yml

@@ -1,4 +1,4 @@
-name: "Lint PR"
+name: "Triage PR"
 
 on:
   pull_request_target:
@@ -8,7 +8,7 @@ on:
       - synchronize
 
 jobs:
-  main:
+  validate_pr_title:
     name: Validate PR title
     runs-on: ubuntu-latest
     steps:
@@ -19,3 +19,14 @@ jobs:
           ignoreLabels: |
             bot-updated
             ignore-semantic-pull-request
+  label_pr:
+    name: Label Pull Request
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - uses: actions/labeler@v4
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"
+          sync-labels: true