name: Build Cargo package binaries
description: Set up Cargo and build unstripped runtime package binaries and symbols.
inputs:
  target:
    description: Rust release target triple.
    required: true
  binaries:
    description: Space-separated binary target names.
    required: true
  build-mode:
    description: Release optimizations, or debug for faster package smoke builds.
    default: release

runs:
  using: composite
  steps:
    - uses: ./.github/actions/setup-ci

    - name: Configure Cargo release profile
      shell: bash
      env:
        BUILD_MODE: ${{ inputs.build-mode }}
        # macOS symbol extraction needs packed dSYM bundles before binaries are stripped.
        CARGO_PROFILE_RELEASE_SPLIT_DEBUGINFO: ${{ contains(inputs.target, 'apple-darwin') && 'packed' || 'off' }}
      run: |
        set -euo pipefail
        echo "CARGO_PROFILE_RELEASE_SPLIT_DEBUGINFO=$CARGO_PROFILE_RELEASE_SPLIT_DEBUGINFO" >> "$GITHUB_ENV"
        case "$BUILD_MODE" in
          release) ;;
          debug)
            # Use the release profile so assertions, symbols and packaging match production.
            # Only trade compiler optimizations for faster builds.
            {
              echo "CARGO_PROFILE_RELEASE_OPT_LEVEL=0"
              echo "CARGO_PROFILE_RELEASE_LTO=off"
              echo "CARGO_PROFILE_RELEASE_CODEGEN_UNITS=256"
            } >> "$GITHUB_ENV"
            ;;
          *) echo "Unsupported build mode: $BUILD_MODE" >&2; exit 1 ;;
        esac

    - uses: dtolnay/rust-toolchain@e081816240890017053eacbb1bdf337761dc5582 # 1.95.0
      with:
        targets: ${{ inputs.target }}

    - name: Use hermetic Cargo home (musl)
      if: ${{ runner.os == 'Linux' }}
      shell: bash
      working-directory: codex-rs
      run: |
        set -euo pipefail
        cargo_home="${GITHUB_WORKSPACE}/.cargo-home"
        mkdir -p "${cargo_home}/bin"
        echo "CARGO_HOME=${cargo_home}" >> "$GITHUB_ENV"
        echo "${cargo_home}/bin" >> "$GITHUB_PATH"
        : > "${cargo_home}/config.toml"

    - name: Install Zig
      if: ${{ runner.os == 'Linux' }}
      uses: mlugg/setup-zig@d1434d08867e3ee9daa34448df10607b98908d29 # v2.2.1
      with:
        version: 0.14.0
        use-cache: false

    - name: Install musl build tools
      if: ${{ runner.os == 'Linux' }}
      shell: bash
      working-directory: codex-rs
      env:
        TARGET: ${{ inputs.target }}
      run: bash "${GITHUB_WORKSPACE}/.github/scripts/install-musl-build-tools.sh"

    - name: Disable aws-lc jitter entropy (musl)
      if: ${{ runner.os == 'Linux' }}
      shell: bash
      working-directory: codex-rs
      env:
        TARGET: ${{ inputs.target }}
      run: |
        set -euo pipefail
        # aws-lc's jitter entropy path does not work reliably on musl builders,
        # so disable it globally and per target.
        echo "AWS_LC_SYS_NO_JITTER_ENTROPY=1" >> "$GITHUB_ENV"
        target_no_jitter="AWS_LC_SYS_NO_JITTER_ENTROPY_${TARGET}"
        target_no_jitter="${target_no_jitter//-/_}"
        echo "${target_no_jitter}=1" >> "$GITHUB_ENV"

    - name: Configure rusty_v8 artifact overrides and verify checksums
      uses: ./.github/actions/setup-rusty-v8
      with:
        target: ${{ inputs.target }}

    - name: Configure MSVC environment
      if: ${{ runner.os == 'Windows' }}
      uses: ./.github/actions/setup-msvc-env
      with:
        target: ${{ inputs.target }}

    - name: Build bwrap and export digest
      if: ${{ runner.os == 'Linux' }}
      shell: bash
      working-directory: codex-rs
      env:
        TARGET: ${{ inputs.target }}
      run: |
        set -euo pipefail
        cargo build --target "${TARGET}" --release --timings --bin bwrap

        bwrap_path="${CARGO_TARGET_DIR}/${TARGET}/release/bwrap"
        # Codex embeds this digest at build time and verifies the packaged
        # bwrap at runtime, so hash its final stripped bytes first.
        strip --strip-debug --strip-unneeded "$bwrap_path"
        digest="$(sha256sum "$bwrap_path" | awk '{print $1}')"
        echo "CODEX_BWRAP_SHA256=${digest}" >> "$GITHUB_ENV"

    - name: Build Codex package binaries
      shell: bash
      working-directory: codex-rs
      env:
        TARGET: ${{ inputs.target }}
        BINARIES: ${{ inputs.binaries }}
      run: |
        set -euo pipefail
        build_args=()
        for binary in $BINARIES; do
          build_args+=(--bin "$binary")
        done
        # SQLite intrinsics can emit instructions unsupported by older x64
        # CPUs, causing Windows release binaries to crash during startup.
        if [[ "${TARGET}" == "x86_64-pc-windows-msvc" ]]; then
          export LIBSQLITE3_FLAGS=SQLITE_DISABLE_INTRINSIC
        fi
        STABLE_GIT_COMMIT="$(git rev-parse HEAD)"
        export STABLE_GIT_COMMIT
        cargo build --target "${TARGET}" --release --timings "${build_args[@]}"