ci(repo): route every Flutter setup through setup-flutter

.github/actions/pana/action.yml

@@ -31,12 +31,7 @@ runs:
           yq eval '.dependencies.stream_chat = {"path": "../stream_chat"}' -i packages/stream_chat_persistence/pubspec.yaml
 
     - name: Install Flutter
-      uses: subosito/flutter-action@v2
-      with:
-        cache: true
-        channel: stable
-        flutter-version: "3.x"
-        cache-key: flutter-:os:-:channel:-:version:-:arch:-:hash:-${{ hashFiles('**/pubspec.lock') }}
+      uses: ./.github/actions/setup-flutter
 
     - name: Install Pana
       working-directory: ${{ inputs.working_directory }}

.github/actions/setup-flutter/action.yml

@@ -1,12 +1,26 @@
 name: 'Setup Flutter'
 description: 'Install Flutter with dependency caching'
+inputs:
+  flutter-version:
+    description: 'Flutter version to install. Empty selects the newest on the channel.'
+    required: false
+    default: '3.x'
+  channel:
+    description: 'Flutter release channel'
+    required: false
+    default: 'stable'
+  cache-sdk:
+    description: 'Cache the Flutter SDK. Turn off for jobs that run too rarely to hit it.'
+    required: false
+    default: 'true'
 runs:
   using: "composite"
   steps:
     - uses: subosito/flutter-action@v2
       with:
-        flutter-version: "3.x"
-        channel: stable
-        cache: true
+        flutter-version: ${{ inputs.flutter-version }}
+        channel: ${{ inputs.channel }}
+        cache: ${{ inputs.cache-sdk }}
+        pub-cache: 'true'
         cache-key: "flutter-:os:-:channel:-:version:-:arch:"
         pub-cache-key: "flutter-pub-:os:-${{ hashFiles('melos.yaml', '**/pubspec.yaml') }}"

.github/workflows/beta_version_analyze.yml

@@ -21,11 +21,16 @@ jobs:
           fetch-depth: 0
 
       - name: "Install Flutter"
-        uses: subosito/flutter-action@v2
+        uses: ./.github/actions/setup-flutter
         with:
           channel: beta
-          cache: true
-          cache-key: flutter-:os:-:channel:-:version:-:arch:-:hash:-${{ hashFiles('**/pubspec.lock') }}
+          # Must stay empty. Inheriting the action's 3.x default would hold this
+          # job on 3.x betas, so it would stop catching the next major early —
+          # which is the only thing it exists to do.
+          flutter-version: ''
+          # Weekly, and a new beta invalidates the key, so an SDK entry would
+          # almost never be restored before it expires.
+          cache-sdk: 'false'
 
       - name: 📊 Analyze and test packages
         uses: ./.github/actions/package_analysis

.github/workflows/legacy_version_analyze.yml

@@ -65,11 +65,9 @@ jobs:
           fetch-depth: 0
 
       - name: "Install Flutter"
-        uses: subosito/flutter-action@v2
+        uses: ./.github/actions/setup-flutter
         with:
           flutter-version: ${{ env.flutter_version }}
-          channel: stable
-          cache-key: flutter-:os:-:channel:-:version:-:arch:-:hash:-${{ hashFiles('**/pubspec.lock') }}
 
       - name: 📊 Analyze and test packages
         uses: ./.github/actions/package_analysis

.github/workflows/release_publish.yml

@@ -29,7 +29,7 @@ jobs:
         uses: dart-lang/setup-dart@v1
 
       - name: 🐦 Install Flutter
-        uses: subosito/flutter-action@v2
+        uses: ./.github/actions/setup-flutter
 
       - name: 📦 Install Tools
         run: flutter pub global activate melos

.github/workflows/update_goldens.yml

@@ -27,11 +27,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: 🐦 Install Flutter
-        uses: subosito/flutter-action@v2
-        with:
-          flutter-version: "3.x"
-          channel: stable
-          cache-key: flutter-:os:-:channel:-:version:-:arch:-:hash:-${{ hashFiles('**/pubspec.lock') }}
+        uses: ./.github/actions/setup-flutter
 
       - name: 📦 Install Tools
         run: flutter pub global activate melos
@@ -76,11 +72,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: 🐦 Install Flutter
-        uses: subosito/flutter-action@v2
-        with:
-          flutter-version: "3.x"
-          channel: stable
-          cache-key: flutter-:os:-:channel:-:version:-:arch:-:hash:-${{ hashFiles('**/pubspec.lock') }}
+        uses: ./.github/actions/setup-flutter
 
       - name: 📦 Install Tools
         run: flutter pub global activate melos