Provide pre-built musl targets

.github/workflows/release.yml

@@ -16,30 +16,57 @@ jobs:
             os: ubuntu-latest
           - target: aarch64-unknown-linux-gnu
             os: ubuntu-latest
+          - target: x86_64-unknown-linux-musl
+            os: ubuntu-latest
+          - target: aarch64-unknown-linux-musl
+            os: ubuntu-latest
           - target: x86_64-apple-darwin
             os: macos-latest
           - target: aarch64-apple-darwin
             os: macos-latest
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
-          fetch-depth: 0  # needed for git-describe version
+          fetch-depth: 0 # needed for git-describe version
 
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: ${{ matrix.target }}
 
-      - name: Install cross-compilation tools
+      - name: Install cross-compilation tools (aarch64-gnu)
         if: matrix.target == 'aarch64-unknown-linux-gnu'
         run: |
           sudo apt-get update
           sudo apt-get install -y gcc-aarch64-linux-gnu
           echo "CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc" >> $GITHUB_ENV
 
+      - name: Install musl tools (x86_64-musl)
+        if: matrix.target == 'x86_64-unknown-linux-musl'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y musl-tools
+
+      - name: Install cross (aarch64-musl)
+        if: matrix.target == 'aarch64-unknown-linux-musl'
+        uses: taiki-e/install-action@v2
+        with:
+          tool: cross@0.2.5
+
       - name: Build
+        if: matrix.target != 'aarch64-unknown-linux-musl'
         run: cargo build --release --target ${{ matrix.target }} -p loon-cli
 
+      - name: Build (cross)
+        if: matrix.target == 'aarch64-unknown-linux-musl'
+        run: cross build --release --target ${{ matrix.target }} -p loon-cli
+
+      - name: Verify static linking
+        if: contains(matrix.target, 'musl')
+        run: |
+          file target/${{ matrix.target }}/release/loon
+          ldd target/${{ matrix.target }}/release/loon || true
+
       - name: Package
         run: |
           TAG=${GITHUB_REF#refs/tags/}
@@ -48,7 +75,7 @@ jobs:
           tar czf "$ARCHIVE" loon
           echo "ARCHIVE=$ARCHIVE" >> $GITHUB_ENV
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         with:
           name: ${{ matrix.target }}
           path: ${{ env.ARCHIVE }}
@@ -57,7 +84,7 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v7
         with:
           merge-multiple: true