chore: use MSYS2 for windows

Author: arman-bd

.github/workflows/_test.yml

@@ -57,15 +57,16 @@ jobs:
       if: runner.os == 'Windows'
       uses: microsoft/setup-msbuild@v2
 
-    - name: Install nghttp2 (Windows)
+    - name: Setup MSYS2 and install nghttp2 (Windows)
       if: runner.os == 'Windows'
-      run: |
-        # Install nghttp2 via chocolatey (simpler than vcpkg)
-        # Note: This installs the shared library version
-        curl -L https://github.com/nghttp2/nghttp2/releases/download/v1.59.0/nghttp2-1.59.0-win64.zip -o nghttp2.zip
-        unzip nghttp2.zip -d C:/nghttp2
-        echo "NGHTTP2_ROOT=C:/nghttp2/nghttp2-1.59.0-win64" >> $GITHUB_ENV
-      shell: bash
+      uses: msys2/setup-msys2@v2
+      with:
+        update: true
+        install: >-
+          mingw-w64-x86_64-nghttp2
+          mingw-w64-x86_64-gcc
+          mingw-w64-x86_64-cmake
+          mingw-w64-x86_64-ninja
 
     - name: Cache vendor dependencies
       id: cache-vendor

scripts/setup_vendors.sh

@@ -137,10 +137,14 @@ echo "==> Setting up nghttp2..."
 if [ "$OS" = "Darwin" ] && command -v brew &> /dev/null && brew list libnghttp2 &> /dev/null; then
     echo "✓ Using Homebrew's libnghttp2"
     echo "  Location: $(brew --prefix libnghttp2)"
-# On Windows, use vcpkg or skip (to be implemented)
+# On Windows with MSYS2, use the MSYS2 package
+elif [ "$OS" = "Windows" ] && [ -d "/mingw64/include/nghttp2" ]; then
+    echo "✓ Using MSYS2's nghttp2"
+    echo "  Location: /mingw64"
+# On Windows without MSYS2, skip
 elif [ "$OS" = "Windows" ]; then
-    echo "⊘ nghttp2 on Windows requires manual setup via vcpkg"
-    echo "  Run: vcpkg install nghttp2:x64-windows"
+    echo "⊘ nghttp2 on Windows requires MSYS2 or vcpkg"
+    echo "  Run: pacman -S mingw-w64-x86_64-nghttp2 (MSYS2)"
 else
     # Build from source on Linux or if Homebrew version not available
     if [ ! -d "nghttp2" ]; then
@@ -194,8 +198,10 @@ if [ "$OS" = "Linux" ]; then
 fi
 if [ "$OS" = "Darwin" ] && command -v brew &> /dev/null && brew list libnghttp2 &> /dev/null; then
     echo "  ✓ nghttp2:    $(brew --prefix libnghttp2) (Homebrew)"
+elif [ "$OS" = "Windows" ] && [ -d "/mingw64/include/nghttp2" ]; then
+    echo "  ✓ nghttp2:    /mingw64 (MSYS2)"
 elif [ "$OS" = "Windows" ]; then
-    echo "  ⊘ nghttp2:    Install via vcpkg (nghttp2:x64-windows)"
+    echo "  ⊘ nghttp2:    Install via MSYS2 (mingw-w64-x86_64-nghttp2)"
 else
     echo "  ✓ nghttp2:    $VENDOR_DIR/nghttp2/install"
 fi