Create a MacOS application artifact in GHA (#104)

.github/actions/demo/macos/action.yml

@@ -0,0 +1,26 @@
+name: macOS
+description: Build for macOS
+
+inputs:
+  GITHUB_TOKEN:
+    required: true
+    description: On macos runners we often hit API limits. Using this token avoid this.
+
+runs:
+  using: "composite"
+  steps:
+    - uses: extractions/setup-just@v1
+      env:
+        GITHUB_TOKEN: ${{ inputs.GITHUB_TOKEN }}
+    - name: Install toolchain
+      shell: bash
+      run: just default-toolchain
+    - uses: Swatinem/rust-cache@v1
+    - name: Build
+      shell: bash
+      run: cd apple/xcode && xcodebuild -scheme "example (macOS)" build CODE_SIGNING_ALLOWED=NO MACOSX_DEPLOYMENT_TARGET=10.9 -derivedDataPath build
+    - uses: actions/upload-artifact@v3
+      with:
+        name: maplibre-x86_64-apple-darwin-demo
+        path: apple/xcode/build/Build/Products/Debug/*.app
+        if-no-files-found: error

.github/workflows/on_main_push.yml

@@ -68,4 +68,9 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ./.github/actions/apple
         with:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  build-demo-macos:
+    runs-on: macos-11
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ./.github/actions/demo/macos

.github/workflows/on_pull_request.yml

@@ -49,3 +49,8 @@ jobs:
       - uses: ./.github/actions/apple
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  build-demo-macos:
+    runs-on: macos-11
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ./.github/actions/demo/macos