Drop support for macos-12 after receiving back this message from Homebrew: Warning: You are using macOS 12. We (and Apple) do not provide support for this old version. It is expected behaviour that some formulae will fail to build in this old version.

Author: afinetooth

Diff for: .github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
   test-bot:
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-22.04, macos-12, macos-13, macos-latest]
+        os: [ubuntu-20.04, ubuntu-22.04, macos-13, macos-latest]
     runs-on: ${{ matrix.os }}
     env:
       HOMEBREW_NO_INSTALL_FROM_API: 1
@@ -29,19 +29,6 @@ jobs:
         if: steps.cache.outputs.cache-hit != 'true'
         run: brew install-bundler-gems
 
-      # New step: Collect extra debug information for macOS-12
-      - name: Brew info on openssl@3 and zlib (macos-12)
-        if: matrix.os == 'macos-12'
-        run: |
-          brew info openssl@3
-          brew info zlib
-
-      - name: Collect diagnostics for macOS-12
-        if: matrix.os == 'macos-12'
-        run: |
-          brew config
-          brew doctor
-
       - run: brew test-bot --only-cleanup-before
 
       - run: brew test-bot --only-setup
@@ -51,19 +38,6 @@ jobs:
       - run: brew test-bot --only-formulae
         if: github.event_name == 'pull_request'
 
-      # New Step: Run `brew bottle` and commit formula updates
-      - name: Build bottles and update formula
-        if: matrix.os == 'macos-12'
-        run: |
-          brew bottle coverallsapp/coveralls/coveralls
-          brew bottle --merge --write ./coveralls--0.6.15.*.bottle.json
-          git config --global user.name "GitHub Actions"
-          git config --global user.email "[email protected]"
-          git add Formula/coveralls.rb
-          git commit -m "Update formula with new bottle hashes for ${{ matrix.os }}"
-        env:
-          HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
       - name: Upload bottles as artifact
         if: always() && github.event_name == 'pull_request'
         uses: actions/upload-artifact@v4