Cache Bloaty, use PR number (#1771)

.github/workflows/ios-ci.yml

@@ -21,34 +21,40 @@ jobs:
   pre_job:
     runs-on: ubuntu-latest
     outputs:
-      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+      should_skip: steps.changed-files-yaml.outputs.ios_any_changed != 'true'
     steps:
-      - id: skip_check
-        uses: fkirc/skip-duplicate-actions@v5
+      - name: Get all iOS files that have changed
+        id: changed-files-yaml
+        uses: tj-actions/changed-files@v39
         with:
-          do_not_skip: '["workflow_dispatch", "push"]'
-          paths: |
-            ["CMakeLists.txt",
-            "platform/ios/**",
-            "platform/darwin/**",
-            ".github/workflows/ios-ci.yml",
-            "bin/**",
-            "expression-test/**",
-            "include/**",
-            "metrics/**",
-            "platform/default/**",
-            "render-test/**",
-            "scripts/**",
-            "src/**",
-            "test/**",
-            "vendor/**",
-            ".gitmodules",
-            "!**/*.md",
-            "WORKSPACE",
-            "BUILD.bazel",
-            ".bazelrc",
-            ".bazelversion"]
+          files_yaml: |
+            ios:
+              - 'platform/ios/**'
+              - 'platform/darwin/**'
+              - '.github/workflows/ios-ci.yml'
+              - 'bin/**'
+              - 'expression-test/**'
+              - 'include/**'
+              - 'metrics/**'
+              - 'platform/default/**'
+              - 'render-test/**'
+              - 'scripts/**'
+              - 'src/**'
+              - 'test/**'
+              - 'vendor/**'
+              - '.gitmodules'
+              - '!**/*.md'
+              - 'WORKSPACE'
+              - 'BUILD.bazel'
+              - '.bazelrc'
+              - '.bazelversion'
 
+      - name: Run step if test file(s) change
+        if: steps.changed-files-yaml.outputs.ios_any_changed == 'true'  
+        run: |
+          echo "One or more iOS file(s) has changed."
+          echo "List of changes: ${{ steps.changed-files-yaml.outputs.ios_all_changed_files }}"
+      
   ios-build:
     needs: pre_job
     if: needs.pre_job.outputs.should_skip != 'true'

.github/workflows/pr-bloaty.yml

@@ -11,12 +11,14 @@ env:
   # built with commit d38709084a9865fe0bb8300aec70ebf8243b3d43
   legacy_download_url: https://maplibre-native.s3.eu-central-1.amazonaws.com/mbgl-render-legacy
   main_download_url: https://maplibre-native.s3.eu-central-1.amazonaws.com/mbgl-render-main
+  bloaty_sha: 8be8b448550b37c978e8defd9d421c0464c52cc7
 
 permissions:
   pull-requests: write
 
 jobs:
   pr-bloaty:
+    if: github.event.workflow_run.pull_requests.length
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
@@ -42,9 +44,16 @@ jobs:
       - name: Compile Bloaty
         run: |
           git clone https://github.com/google/bloaty.git
+          git checkout "$bloaty_sha"
           cmake -B bloaty/build -G Ninja -S bloaty
           cmake --build bloaty/build
 
+      - name: Cache Bloaty
+        uses: actions/cache@v3
+        with:
+          path: bloaty/build/bloaty
+          key: bloaty-${{ env.bloaty_sha }}
+
       - name: Download legacy and main mbgl-render
         run: |
           wget -O mbgl-render-legacy "$legacy_download_url"
@@ -73,5 +82,6 @@ jobs:
       - name: Leave a comment with Bloaty results
         uses: marocchino/sticky-pull-request-comment@v2
         with:
+          number: ${{ github.event.workflow_run.pull_requests[0].number }}
           header: bloaty
           path: message.md