ci: upgrade flutter version on windows arm (#1269)

Author: monkeyWie

.github/workflows/build.yml

@@ -44,15 +44,17 @@ jobs:
           - arch: arm64
             os: windows-11-arm
             llvm_ver: "20251202" # Only ARM64
-            flutter_channel: "master"
-            flutter_version: "8817d45220d" # Only ARM64
+            flutter_channel: "main"
+            flutter_version: "7e1c8868"
           - arch: amd64
             os: windows-2022
-            flutter_channel: "stable"
     runs-on: ${{ matrix.os }}
 
     steps:
       - uses: actions/checkout@v3
+      - name: Enable long paths for flutter main branch checks
+        run: |
+          git config --global core.longpaths true
 
       # Install LLVM environment only on ARM64
       - name: Install llvm-mingw-ucrt-aarch64 (ARM64 only)
@@ -84,7 +86,7 @@ jobs:
           go-version: ${{ env.GO_VERSION }}
       - uses: subosito/flutter-action@v2
         with:
-          channel: ${{ matrix.flutter_channel }}
+          channel: ${{ matrix.flutter_channel || 'stable' }}
           flutter-version: ${{ matrix.flutter_version || env.FLUTTER_VERSION }}
       - name: Build
         env:

.github/workflows/test.yml

@@ -66,21 +66,56 @@ jobs:
           files: ./coverage.txt
           token: ${{ secrets.CODECOV_UPLOAD_TOKEN }}
   build-desktop:
-    name: Build desktop check
-    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [windows-2022, macos-latest, ubuntu-22.04, ubuntu-22.04-arm]
+        include:
+          - os: windows-2022
+          - os: windows-11-arm
+            llvm_ver: "20251202" # Only ARM64
+            flutter_channel: "main"
+            flutter_version: "7e1c8868"
+          - os: macos-latest
+          - os: ubuntu-22.04
+          - os: ubuntu-22.04-arm
+            flutter_channel: "main"
+    name: Build desktop check (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
     needs: [test]
     steps:
       - uses: actions/checkout@v3
+      - name: Enable long paths for flutter main branch checks
+        run: |
+          git config --global core.longpaths true
+      - name: Install llvm-mingw-ucrt-aarch64 (ARM64 only)
+        if: matrix.os == 'windows-11-arm'
+        run: |
+          $ver = "${{ matrix.llvm_ver }}"
+          $url = "https://github.com/mstorsjo/llvm-mingw/releases/download/$ver/llvm-mingw-$ver-ucrt-aarch64.zip"
+          $zip = "$env:RUNNER_TEMP\\llvm.zip"
+          $extract = "$env:RUNNER_TEMP\\extract"
+          $target = "C:\\clangarm64"
+
+          curl -L $url -o $zip
+          rm -r -fo $extract,$target -ea Ignore
+          mkdir $extract | Out-Null
+
+          tar -xf $zip -C $extract
+          mv (Get-ChildItem $extract)[0].FullName $target
+
+          $b = "$target\\bin"
+          "CC=$b\\clang.exe"        >> $env:GITHUB_ENV
+          "CXX=$b\\clang++.exe"     >> $env:GITHUB_ENV
+          "CLANGARM64_BIN=$b"       >> $env:GITHUB_ENV
+          "CGO_ENABLED=1"           >> $env:GITHUB_ENV
+          "CLANGARM64_ROOT=$target" >> $env:GITHUB_ENV
+          $b >> $env:GITHUB_PATH
       - uses: actions/setup-go@v4
         with:
           go-version: ${{ env.GO_VERSION }}
       - uses: subosito/flutter-action@v2
         with:
-          flutter-version: ${{ env.FLUTTER_VERSION }}
-          channel: master
+          channel: ${{ matrix.flutter_channel || 'stable' }}
+          flutter-version: ${{ matrix.flutter_version || env.FLUTTER_VERSION }}
       - if: runner.os == 'Windows'
         run: |
           go build -tags nosqlite -ldflags="-w -s" -buildmode=c-shared -o ui/flutter/windows/libgopeed.dll github.com/GopeedLab/gopeed/bind/desktop