Add Linux ARM64 AppImage to Workflow

.github/workflows/build.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        target: ["appimage", "fresh"]
+        target: ["appimage", "arm64-appimage", "fresh"]
     container:
       image: citraemu/build-environments:linux-${{ matrix.target }}
       options: -u 1001
@@ -47,6 +47,15 @@ jobs:
             ${{ runner.os }}-${{ matrix.target }}-
       - name: Build
         run: ./.ci/linux.sh
+      - name: Prepare outputs for caching
+        run: mv ./build/bundle $OS-$TARGET
+        if: ${{ matrix.target == 'arm64-appimage' }}
+      - name: Cache outputs for ARM64 AppImage packaging
+        uses: actions/cache/save@v3
+        if: ${{ matrix.target == 'arm64-appimage' }}
+        with:
+          path: ${{ env.OS }}-${{ env.TARGET }}
+          key: ${{ runner.os }}-${{ matrix.target }}-${{ github.sha }}-${{ github.run_id }}-${{ github.run_attempt }}
       - name: Pack
         run: ./.ci/pack.sh
         if: ${{ matrix.target == 'appimage' }}
@@ -56,6 +65,43 @@ jobs:
         with:
           name: ${{ env.OS }}-${{ env.TARGET }}
           path: artifacts/
+  linux-arm64-appimage:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        target: ["arm64-appimage"]
+    needs: linux
+    env:
+      CCACHE_DIR: ${{ github.workspace }}/.ccache
+      OS: linux
+      TARGET: ${{ matrix.target }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Download ARM64 build from cache
+        uses: actions/cache/restore@v3
+        with:
+          path: ${{ env.OS }}-arm64-appimage
+          key: ${{ runner.os }}-arm64-appimage-${{ github.sha }}-${{ github.run_id }}-${{ github.run_attempt }}
+          fail-on-cache-miss: true
+      - uses: uraimo/run-on-arch-action@v2
+        name: Package ARM64 AppImage
+        id: build
+        with:
+          arch: none
+          distro: none
+          base_image: citraemu/build-environments:linux-arm64-appimage-packaging
+          githubToken: ${{ github.token }}
+          shell: /bin/sh
+          run: ./dist/appimage/package-appimage-arm64.sh
+      - name: chown output directory
+        run: sudo chown -R runner ./build/bundle
+      - name: Pack
+        run: ./.ci/pack.sh
+      - name: Upload
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ env.OS }}-${{ env.TARGET }}
+          path: artifacts/
   macos:
     runs-on: macos-latest
     strategy:
@@ -253,7 +299,7 @@ jobs:
         run: ./.ci/ios.sh
   release:
     runs-on: ubuntu-latest
-    needs: [windows, linux, macos-universal, android, source]
+    needs: [windows, linux, linux-arm64-appimage, macos-universal, android, source]
     if: ${{ startsWith(github.ref, 'refs/tags/') }}
     steps:
       - uses: actions/download-artifact@v3