rust.yml

on:
  push:
    tags:
      - "v*.*.*"
    branches:
      - main
    paths-ignore:
      - "docs/**"
  workflow_dispatch:
  pull_request:
    paths-ignore:
      - "docs/**"

name: Rust

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  RUST_LOG: info
  RUST_BACKTRACE: 1
  RUSTFLAGS: "-D warnings"
  CARGO_TERM_COLOR: always
  CICD_INTERMEDIATES_DIR: "_cicd-intermediates"
  TEST_FEATURES: "slow_integration_tests"
  XDG_CACHE_HOME: ${{ github.workspace }}/.cache

jobs:
  check-rustdoc-links:
    name: Check intra-doc links
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: actions-rust-lang/setup-rust-toolchain@v1
      - run: |
          for package in $(cargo metadata --no-deps --format-version=1 | jq -r '.packages[] | .name'); do
            cargo rustdoc -p "$package" --all-features -- -D warnings -W unreachable-pub
          done

  format_and_lint:
    name: Format and Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: recursive
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          components: clippy, rustfmt
      - name: Run rustfmt
        uses: actions-rust-lang/rustfmt@v1
      - name: Run clippy
        run: cargo clippy

  crate_metadata:
    name: Extract crate metadata
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Extract crate information
        id: crate_metadata
        run: |
          cargo metadata --no-deps --format-version 1 | jq -r '"name=" + .packages[0].name' | tee -a $GITHUB_OUTPUT
          cargo metadata --no-deps --format-version 1 | jq -r '"version=" + .packages[0].version' | tee -a $GITHUB_OUTPUT
          cargo metadata --no-deps --format-version 1 | jq -r '"maintainer=" + .packages[0].authors[0]' | tee -a $GITHUB_OUTPUT
          cargo metadata --no-deps --format-version 1 | jq -r '"homepage=" + .packages[0].homepage' | tee -a $GITHUB_OUTPUT
    outputs:
      name: ${{ steps.crate_metadata.outputs.name }}
      version: ${{ steps.crate_metadata.outputs.version }}
      maintainer: ${{ steps.crate_metadata.outputs.maintainer }}
      homepage: ${{ steps.crate_metadata.outputs.homepage }}

  build:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    needs: [ crate_metadata, format_and_lint ]
    strategy:
      fail-fast: false
      matrix:
        include:
          - { name: "Linux-x86_64",       target: x86_64-unknown-linux-musl,  os: ubuntu-20.04 }
          - { name: "Linux-aarch64",      target: aarch64-unknown-linux-musl, os: ubuntu-latest, skip-tests: true }

          - { name: "macOS-x86_64",       target: x86_64-apple-darwin,        os: macOS-latest }
          - { name: "macOS-aarch64",      target: aarch64-apple-darwin,       os: macOS-latest, skip-tests: true }

          - { name: "Windows-x86_64",     target: x86_64-pc-windows-msvc,     os: windows-latest }
    env:
      #
      # These are some environment variables that configure the build so that the binary size is reduced.
      # Inspiration was taken from this blog: https://arusahni.net/blog/2020/03/optimizing-rust-binary-size.html
      #

      # Enable Link Time Optimization (LTO) for our release builds. This increases link time but drastically reduces
      # binary size.
      CARGO_PROFILE_RELEASE_LTO: true

      # Use a single code gen unit, this effectively disables parallel linking but ensures that everything is linked
      # together in a single unit which reduces the file-size at the cost of link time.
      CARGO_PROFILE_RELEASE_CODEGEN_UNITS: 1

      # Strip the binaries. This reduces the filesize of the final release.
      CARGO_PROFILE_RELEASE_STRIP: "symbols"

      # Optimize the binary for size. This reduces the filesize at the cost of a slower binary.
      CARGO_PROFILE_OPT_LEVEL: s
    steps:
      - name: Checkout source code
        uses: actions/checkout@v3

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          target: ${{ matrix.target }}
          cache: false

      - uses: taiki-e/setup-cross-toolchain-action@v1
        with:
          target: ${{ matrix.target }}

      - name: Use static CRT on Windows
        shell: bash
        run: echo "RUSTFLAGS=${RUSTFLAGS} -C target-feature=+crt-static" >> "${GITHUB_ENV}"
        if: endsWith(matrix.target, 'windows-msvc')

      - uses: Swatinem/rust-cache@v2

      - name: Setup | Install cargo-wix [Windows]
        continue-on-error: true
        # aarch64 is only supported in wix 4.0 development builds
        if: startsWith(matrix.os, 'windows') && matrix.target != 'aarch64-pc-windows-msvc'
        run: cargo install --version 0.3.4 cargo-wix
        env:
          # cargo-wix does not require static crt
          RUSTFLAGS: ""

      - name: Ensure cache directory exists
        shell: bash
        if: matrix.os == 'ubuntu-20.04' && matrix.use-cross
        run: |
          mkdir -p ${XDG_CACHE_HOME}

      - name: Show version information (Rust, cargo, GCC)
        shell: bash
        run: |
          gcc --version || true
          rustup -V
          rustup toolchain list
          cargo -V
          rustc -V

      - name: Check for release
        id: is-release
        shell: bash
        run: |
          unset IS_RELEASE ; if [[ $GITHUB_REF =~ ^refs/tags/v[0-9].* ]]; then IS_RELEASE='true' ; fi
          echo "IS_RELEASE=${IS_RELEASE}" >> $GITHUB_OUTPUT

      - name: Use rustls on musl targets.
        id: build-options
        if: contains(matrix.target, '-musl')
        run: |
          echo "CARGO_BUILD_OPTIONS=${CARGO_BUILD_OPTIONS} --no-default-features --features rustls-tls" >> $GITHUB_OUTPUT

      - name: Build
        run: >
          cargo build
          --locked
          --release
          ${{ steps.build-options.outputs.CARGO_BUILD_OPTIONS}}

      - name: Set binary name & path
        id: bin
        shell: bash
        run: |
          # Figure out suffix of binary
          EXE_SUFFIX=""
          case ${{ matrix.target }} in
            *-pc-windows-*) EXE_SUFFIX=".exe" ;;
          esac;

          # Setup paths
          BIN_NAME="${{ needs.crate_metadata.outputs.name }}${EXE_SUFFIX}"
          BIN_PATH="target/${{ matrix.target }}/release/${BIN_NAME}"

          # Let subsequent steps know where to find the binary
          echo "BIN_PATH=${BIN_PATH}" >> $GITHUB_OUTPUT
          echo "BIN_NAME=${BIN_NAME}" >> $GITHUB_OUTPUT
          echo "EXE_SUFFIX=${EXE_SUFFIX}" >> $GITHUB_OUTPUT

      - name: Set testing options
        id: test-options
        if: ${{ !matrix.skip-tests }}
        shell: bash
        run: |
          # test only library unit tests and binary for arm-type targets
          unset CARGO_TEST_OPTIONS
          unset CARGO_TEST_OPTIONS ; case ${{ matrix.target }} in arm-* | aarch64-*) CARGO_TEST_OPTIONS="--bin ${{ needs.crate_metadata.outputs.name }}" ;; esac;
          CARGO_TEST_OPTIONS="${CARGO_TEST_OPTIONS} --features ${{ env.TEST_FEATURES }}"
          echo "CARGO_TEST_OPTIONS=${CARGO_TEST_OPTIONS}" >> $GITHUB_OUTPUT

      - name: Run tests
        if: ${{ !matrix.skip-tests }}
        run: >
          cargo test
          --locked
          --release
          ${{ steps.build-options.outputs.CARGO_BUILD_OPTIONS}}
          ${{ steps.test-options.outputs.CARGO_TEST_OPTIONS}}

      - name: Build Installer
        continue-on-error: true
        if: matrix.os == 'windows-latest' && matrix.target != 'aarch64-pc-windows-msvc'
        run: >
          cargo wix -v --no-build --nocapture -I install/windows/main.wxs
          --target ${{ matrix.target }}
          --output target/wix/pixi-${{ matrix.target }}.msi

      # Here we notarize the binary with a certificate from Apple
      # To get a certificate, go to XCode and request a Developer ID certificate for the right team.
      # Then export the certificate from XCode and copy it as base64 into the secrets.
      # Using e.g. `openssl base64 -in ~/Desktop/DeveloperID.p12 | tr -d '\n' | pbcopy` (to copy to clipboard).
      # The password is the password you used to export the certificate.
      # The ident is the ident of the certificate, which you can find in the keychain.
      # The apple id password is a app specific password that you can get on the apple website (https://support.apple.com/en-us/HT204397) (usually a UUID looking string)
      # The team id is the team id of the Apple Developer Team.
      - name: Notarize binary
        # only execute this step when releasing, or on main branch and on macOS
        if: startsWith(matrix.os, 'macOS-') && (github.ref == 'refs/heads/main' || steps.is-release.outputs.IS_RELEASE)
        env:
          APPLEID_TEAMID: ${{ secrets.APPLEID_TEAMID }}
          APPLEID_USERNAME: ${{ secrets.APPLEID_USERNAME }}
          APPLEID_PASSWORD: ${{ secrets.APPLEID_PASSWORD }}
          DEVELOPER_ID_CERTIFICATE: ${{ secrets.DEVELOPER_ID_CERTIFICATE }}
          DEVELOPER_ID_PASSWORD: ${{ secrets.DEVELOPER_ID_PASSWORD }}
          DEVELOPER_ID_IDENT: ${{ secrets.DEVELOPER_ID_IDENT }}
          KEYCHAIN_FILENAME: app-signing.keychain-db
          BIN_PATH: ${{ steps.bin.outputs.BIN_PATH }}
        run: |
          export KEYCHAIN_ENTRY="AC_PASSWORD"
          INSTALL_CERTIFICATE_PATH="$RUNNER_TEMP/install_certificate.p12"
          KEYCHAIN_PATH="$RUNNER_TEMP/$KEYCHAIN_FILENAME"

          # create temporary keychain
          export KEYCHAIN_PASSWORD=$(openssl rand -base64 32)
          security create-keychain -p "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"
          security set-keychain-settings -lut 21600 "$KEYCHAIN_PATH"
          security unlock-keychain -p "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"

          echo -n "$DEVELOPER_ID_CERTIFICATE" | base64 --decode --output $INSTALL_CERTIFICATE_PATH
          security import $INSTALL_CERTIFICATE_PATH -P "$DEVELOPER_ID_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
          security list-keychain -d user -s $KEYCHAIN_PATH

          echo "Successfully imported Developer ID certificate into keychain"

          # Add Apple Developer ID credentials to keychain
          xcrun notarytool store-credentials "$KEYCHAIN_ENTRY" \
              --team-id "$APPLEID_TEAMID" \
              --apple-id "$APPLEID_USERNAME" \
              --password "$APPLEID_PASSWORD" \
              --keychain "$KEYCHAIN_PATH"

          echo "Successfully added Apple Developer ID credentials to keychain"
          echo "Now signing binary..."

          # codesign binary
          xcrun codesign --force --options=runtime --keychain "$KEYCHAIN_PATH" \
            --timestamp --sign "$DEVELOPER_ID_IDENT" --verbose "$BIN_PATH" \
            --identifier "dev.prefix.pixi"

          zip pixi.zip ${BIN_PATH}

          # notarize binary
          xcrun notarytool submit pixi.zip --keychain-profile "$KEYCHAIN_ENTRY" --wait


      - name: Create tarball
        id: package
        shell: bash
        run: |
          PKG_suffix=".tar.gz" ; case ${{ matrix.target }} in *-pc-windows-*) PKG_suffix=".zip" ;; esac;
          PKG_BASENAME=${{ needs.crate_metadata.outputs.name }}-${{ matrix.target }}
          PKG_NAME=${PKG_BASENAME}${PKG_suffix}
          echo "PKG_NAME=${PKG_NAME}" >> $GITHUB_OUTPUT

          PKG_STAGING="${{ env.CICD_INTERMEDIATES_DIR }}/package"
          mkdir -p "${PKG_STAGING}"

          # Binary
          cp "${{ steps.bin.outputs.BIN_PATH }}" "$PKG_STAGING"

          # README, LICENSE and CHANGELOG files
          # cp "README.md" "LICENSE-MIT" "LICENSE-APACHE" "CHANGELOG.md" "$PKG_STAGING"

          # base compressed package
          pushd "${PKG_STAGING}/" >/dev/null
          case ${{ matrix.target }} in
            *-pc-windows-*) 7z -y a "${PKG_NAME}" ./* | tail -2 ;;
            *) tar czf "${PKG_NAME}" ./* ;;
          esac;
          popd >/dev/null

          cp "${{ steps.bin.outputs.BIN_PATH }}" "$PKG_STAGING/pixi-${{ matrix.target }}${{ steps.bin.outputs.EXE_SUFFIX }}"

          # Let subsequent steps know where to find the compressed package
          echo "PKG_PATH=${PKG_STAGING}/${PKG_NAME}" >> $GITHUB_OUTPUT
          echo "BIN_PATH=$PKG_STAGING/pixi-${{ matrix.target }}${{ steps.bin.outputs.EXE_SUFFIX }}" >> $GITHUB_OUTPUT

      - name: "Artifact upload: tarball"
        uses: actions/upload-artifact@master
        with:
          name: ${{ steps.package.outputs.PKG_NAME }}
          path: ${{ steps.package.outputs.PKG_PATH }}

      - name: "Artifact upload: binary"
        uses: actions/upload-artifact@master
        with:
          name: pixi-${{ matrix.target }}${{ steps.bin.outputs.EXE_SUFFIX }}
          path: ${{ steps.package.outputs.BIN_PATH }}

      - name: "Artifact upload: windows installer"
        continue-on-error: true
        if: matrix.os == 'windows-latest' && matrix.target != 'aarch64-pc-windows-msvc'
        uses: actions/upload-artifact@v3
        with:
          name: pixi-${{ matrix.target }}.msi
          path: target/wix/pixi-${{ matrix.target }}.msi

      - name: Publish packages
        uses: softprops/action-gh-release@v1
        if: steps.is-release.outputs.IS_RELEASE
        with:
          draft: true
          files: |
            ${{ steps.package.outputs.PKG_PATH }}
            ${{ steps.package.outputs.BIN_PATH }}
            target/wix/pixi-${{ matrix.target }}.msi
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}