Build, test and release with cargo: CI, release workflow, cross-build and packaging scripts, Homebrew

.github/actions/cross-tools/action.yml

@@ -0,0 +1,16 @@
+name: cross-tools
+description: Rust targets, zig, cargo-zigbuild and cross for scripts/build.sh
+runs:
+  using: composite
+  steps:
+    - shell: bash
+      run: |
+        rustup target add x86_64-unknown-linux-musl aarch64-unknown-linux-musl i686-unknown-linux-musl \
+          armv7-unknown-linux-musleabihf riscv64gc-unknown-linux-musl x86_64-pc-windows-gnu \
+          aarch64-pc-windows-gnullvm x86_64-unknown-freebsd x86_64-unknown-netbsd
+        curl -sSLo zig.tar.xz https://ziglang.org/download/0.16.0/zig-x86_64-linux-0.16.0.tar.xz
+        echo "70e49664a74374b48b51e6f3fdfbf437f6395d42509050588bd49abe52ba3d00  zig.tar.xz" | sha256sum -c
+        mkdir -p "$HOME/zig" && tar -xJf zig.tar.xz -C "$HOME/zig" --strip-components=1 && rm zig.tar.xz
+        echo "$HOME/zig" >>"$GITHUB_PATH"
+        cargo install cargo-zigbuild --version 0.23.4 --locked
+        cargo install cross --version 0.2.5 --locked

.github/workflows/ci.yml

@@ -4,29 +4,38 @@ on:
   pull_request:
 permissions:
   contents: read
+env:
+  CARGO_TERM_COLOR: always
 jobs:
+  lint:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v5
+      - run: rustup component add rustfmt clippy
+      - run: cargo fmt --check
+      - run: cargo clippy --locked --all-targets -- -D warnings
+
   test:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-24.04, ubuntu-24.04-arm, macos-15, macos-15-intel, windows-2025]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version-file: go.mod
-      - name: format
-        if: runner.os == 'Linux'
-        run: test -z "$(gofmt -l .)"
-      - run: go vet ./...
-      - run: go test ./...
-      - name: race
-        if: runner.os != 'Windows'
-        run: go test -race ./...
-      - name: cross-build
-        if: runner.os == 'Linux'
+      - uses: actions/checkout@v5
+      - run: cargo test --release --locked --all-targets
+      - run: cargo run --release --locked -- --no-ui .
+
+  cross:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v5
+      - uses: ./.github/actions/cross-tools
+      - name: every target but macOS (built natively by the test job)
+        run: TARGETS="linux/amd64 linux/arm64 linux/386 linux/arm linux/riscv64 windows/amd64 windows/arm64 freebsd/amd64 netbsd/amd64" scripts/build.sh
+      - name: static binaries run under qemu
         run: |
-          for t in linux/arm64 linux/386 darwin/arm64 windows/amd64 freebsd/amd64; do
-            GOOS=${t%/*} GOARCH=${t#*/} CGO_ENABLED=0 go build -o /dev/null ./cmd/mapsize
+          sudo apt-get update -q && sudo apt-get install -yq qemu-user
+          for t in "arm64 qemu-aarch64" "arm qemu-arm" "riscv64 qemu-riscv64"; do
+            ${t#* } dist/mapsize-linux-${t%% *} --no-ui src >/dev/null
           done

.github/workflows/release.yml

@@ -0,0 +1,46 @@
+# On a version tag: build every target, package, and publish a GitHub
+# release whose notes are the tag's CHANGELOG.md section.
+name: release
+on:
+  push:
+    tags: ["v*"]
+permissions:
+  contents: read
+env:
+  CARGO_TERM_COLOR: always
+jobs:
+  build-cross:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v5
+      - uses: ./.github/actions/cross-tools
+      - run: TARGETS="linux/amd64 linux/arm64 linux/386 linux/arm linux/riscv64 windows/amd64 windows/arm64 freebsd/amd64 netbsd/amd64" scripts/build.sh
+      - uses: actions/upload-artifact@v4
+        with: {name: bin-cross, path: dist/mapsize-*}
+
+  build-macos:
+    runs-on: macos-15
+    steps:
+      - uses: actions/checkout@v5
+      - run: rustup target add x86_64-apple-darwin aarch64-apple-darwin
+      - run: TARGETS="darwin/amd64 darwin/arm64" scripts/build.sh
+      - uses: actions/upload-artifact@v4
+        with: {name: bin-macos, path: dist/mapsize-*}
+
+  publish:
+    needs: [build-cross, build-macos]
+    runs-on: ubuntu-24.04
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions/download-artifact@v4
+        with: {path: dist, merge-multiple: true}
+      - run: scripts/release.sh "$GITHUB_REF_NAME" dist dist/release
+      - name: release
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          v=${GITHUB_REF_NAME#v}
+          awk -v h="## $v" 'index($0, h) == 1 {f=1; next} /^## /{f=0} f' CHANGELOG.md >notes.md
+          gh release create "$GITHUB_REF_NAME" --title "$GITHUB_REF_NAME" --notes-file notes.md dist/release/*