github action: try to build and release findutils

.github/workflows/ci.yml

@@ -69,6 +69,88 @@ jobs:
           path: tests/test-results.json
       - run: ./tests/print-test-results.sh tests/test-results.json
 
+  build:
+    name: build ${{ matrix.binary || 'findutils' }} ${{ matrix.target }}
+    runs-on: ${{ matrix.os }}
+    container: ${{ fromJson(matrix.container || '{"image":null}') }}
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-20.04
+            target: x86_64-unknown-linux-musl
+          - os: ubuntu-20.04
+            target: aarch64-unknown-linux-musl
+          - os: ubuntu-20.04
+            target: armv7-unknown-linux-musleabi
+            container: '{"image": "messense/rust-musl-cross:armv7-musleabi"}'
+          - os: ubuntu-20.04
+            target: i686-unknown-linux-musl
+            container: '{"image": "messense/rust-musl-cross:i686-musl"}'
+          - os: macOS-11
+            target: x86_64-apple-darwin
+            macosx_deployment_target: 10.13
+            developer_dir: /Applications/Xcode_11.7.app
+            sdkroot: /Applications/Xcode_11.7.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk
+          - os: macos-14
+            target: aarch64-apple-darwin
+            macosx_deployment_target: 11.0
+          - os: windows-2019
+            target: x86_64-pc-windows-msvc
+            rustflags: -Ctarget-feature=+crt-static
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v4
+
+      - name: Install rust
+        uses: ./.github/actions/rust-toolchain
+        with:
+          toolchain: ${{ matrix.target == 'aarch64-apple-darwin' && 'beta' || 'stable' }}
+          target: ${{ matrix.target }}
+        if: ${{ !matrix.container }}
+
+      - name: Install musl-tools (x86_64)
+        run: sudo apt-get install musl-tools
+        if: ${{ matrix.target == 'x86_64-unknown-linux-musl' }}
+
+      - name: Install musl-tools (arm64)
+        run: |
+          set -x
+          sed 's/mirror+file:\/etc\/apt\/apt-mirrors\.txt/[arch=arm64] http:\/\/ports.ubuntu.com\/ubuntu-ports\//g' /etc/apt/sources.list | sudo tee /etc/apt/sources.list.d/ports.list
+          sudo dpkg --add-architecture arm64
+          sudo apt-get update || true
+          sudo apt-get install musl-dev:arm64 binutils-multiarch gcc-10-aarch64-linux-gnu libc6-dev-arm64-cross
+          apt-get download musl-tools:arm64
+          sudo dpkg-deb -x musl-tools_*_arm64.deb /
+          sed 2iREALGCC=aarch64-linux-gnu-gcc-10 /usr/bin/musl-gcc | sudo tee /usr/bin/aarch64-linux-musl-gcc > /dev/null
+          sudo chmod +x /usr/bin/aarch64-linux-musl-gcc
+        if: ${{ matrix.target == 'aarch64-unknown-linux-musl' }}
+
+      - name: Build
+        run: cargo build --locked --release --bin ${{ matrix.binary || 'findutils' }} --target ${{ matrix.target }} --features=openssl/vendored ${{ matrix.extra_args }}
+        env:
+          CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_LINKER: aarch64-linux-musl-gcc
+          MACOSX_DEPLOYMENT_TARGET: ${{ matrix.macosx_deployment_target }}
+          DEVELOPER_DIR: ${{ matrix.developer_dir }}
+          SDKROOT: ${{ matrix.sdkroot }}
+          RUSTFLAGS: ${{ matrix.rustflags }}
+
+      # Workaround for the lack of substring() function in github actions expressions.
+      - name: Id
+        id: id
+        shell: bash
+        run: echo "id=${ID#refs/tags/}" >> $GITHUB_OUTPUT
+        env:
+          ID: ${{ startsWith(github.ref, 'refs/tags/') && github.ref || github.sha }}
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.binary || 'findutils' }}-${{ steps.id.outputs.id }}-${{ matrix.target }}
+          path: target/${{ matrix.target }}/release/${{ matrix.binary || 'findutils' }}${{ endsWith(matrix.target, '-msvc') && '.exe' || '' }}
+          if-no-files-found: error
+
   coverage:
     name: Code Coverage
     runs-on: ${{ matrix.job.os }}
@@ -152,3 +234,52 @@ jobs:
         name: codecov-umbrella
         fail_ci_if_error: false
 
+
+
+  release:
+    name: release
+    runs-on: ubuntu-latest
+    needs: [build, clippy, check, test]
+    if: ${{ startsWith(github.ref, 'refs/tags/') }}
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v4
+
+      - name: Check versions
+        run: |
+          tag_name=${GITHUB_REF#refs/tags/}
+          v=$(grep -m 1 "^version" Cargo.toml|sed -e "s|version = \"\(.*\)\"|\1|")
+          if ! echo $tag_name|grep -q $v; then
+             echo "Mistmatch of the version:"
+             echo "Cargo.toml says $v while the tag is $tag_name"
+             exit 2
+          fi
+
+      - name: Get artifacts
+        uses: actions/download-artifact@v4
+
+      - name: Create release assets
+        run: |
+          for d in findutils-*; do
+            chmod +x "$d/findutils"*
+            cp README.md LICENSE "$d/"
+            tar -zcvf "$d.tar.gz" "$d"
+            echo -n "$(shasum -ba 256 "$d.tar.gz" | cut -d " " -f 1)" > "$d.tar.gz.sha256"
+            if [[ $d =~ (findutils-)(.*)?(x86_64-pc-windows)(.*)? ]]; then
+              zip -r "$d.zip" "$d"
+              echo -n "$(shasum -ba 256 "$d.zip" | cut -d " " -f 1)" > "$d.zip.sha256"
+            fi
+          done
+
+      - name: Create release
+        run: |
+          sudo apt-get update && sudo apt-get install -y hub
+          tag_name=${GITHUB_REF#refs/tags/}
+          for f in findutils-*.tar.gz* findutils-*.zip*; do
+              if [[ -f "$f" ]]; then
+                files="$files -a $f";
+              fi
+          done
+          hub release create -m $tag_name $tag_name $files
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}