Switch Linux builds to musl for better portability

.github/workflows/ci.yml

@@ -108,9 +108,9 @@ jobs:
     strategy:
       matrix:
         include:
-          - target: x86_64-unknown-linux-gnu
+          - target: x86_64-unknown-linux-musl
             os: ubuntu-latest
-          - target: aarch64-unknown-linux-gnu
+          - target: aarch64-unknown-linux-musl
             os: ubuntu-latest
           - target: x86_64-apple-darwin
             os: macos-latest
@@ -130,24 +130,26 @@ jobs:
         with:
           targets: ${{ matrix.target }}
 
-      - name: Install cross-compilation tools (Linux ARM)
-        if: matrix.target == 'aarch64-unknown-linux-gnu'
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y gcc-aarch64-linux-gnu
+      - name: Install cross (Linux)
+        if: runner.os == 'Linux'
+        uses: taiki-e/install-action@cross
 
       - name: Cache cargo
         uses: Swatinem/rust-cache@v2
         with:
           key: ${{ matrix.target }}
 
-      - name: Build
-        shell: bash
-        run: |
-          if [ "${{ matrix.target }}" = "aarch64-unknown-linux-gnu" ]; then
-            export CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc
-          fi
-          cargo build --release --target ${{ matrix.target }}
+      - name: Build (Linux)
+        if: runner.os == 'Linux'
+        run: cross build --release --target ${{ matrix.target }}
+
+      - name: Build (macOS)
+        if: runner.os == 'macOS'
+        run: cargo build --release --target ${{ matrix.target }}
+
+      - name: Build (Windows)
+        if: runner.os == 'Windows'
+        run: cargo build --release --target ${{ matrix.target }}
 
       - name: Prepare binary (Unix)
         if: runner.os != 'Windows'
@@ -159,6 +161,12 @@ jobs:
         run: |
           cp target/${{ matrix.target }}/release/migrate.exe migrate-${{ matrix.target }}.exe
 
+      - name: Test binary compatibility (Linux)
+        if: runner.os == 'Linux' && matrix.target == 'x86_64-unknown-linux-musl'
+        run: |
+          # Verify the binary runs on an older system (Debian Bullseye has GLIBC 2.31)
+          docker run --rm -v $PWD:/app debian:bullseye /app/migrate-${{ matrix.target }} --version
+
       - name: Upload to release
         uses: softprops/action-gh-release@v2
         with:

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "migrate"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 description = "Generic file migration tool for applying ordered transformations to a project directory"
 license = "MIT"