processmanager 0.6.0

name: Release

on:
  push:
    tags:
      - "v*"

permissions:
  contents: write

jobs:
  validate:
    name: Validate release tag
    runs-on: ubuntu-latest

    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Install Rust (stable)
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          profile: minimal
          components: clippy, rustfmt

      - name: Cache cargo registry + build
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-release-${{ hashFiles('**/Cargo.lock') }}

      - name: Run release preflight
        run: ./scripts/release-check.sh

  publish:
    name: Publish crate and GitHub release
    runs-on: ubuntu-latest
    needs: validate

    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Install Rust (stable)
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          profile: minimal

      - name: Verify tag matches crate version
        shell: bash
        run: |
          set -euo pipefail
          tag="${GITHUB_REF_NAME}"
          crate_version=$(awk '
            /^\[package\]$/ { in_package=1; next }
            /^\[/ && in_package { exit }
            in_package && $1 == "version" {
              gsub(/"/, "", $3);
              print $3;
              exit
            }
          ' Cargo.toml)

          if [[ -z "${crate_version}" ]]; then
            echo "Unable to read package version from Cargo.toml" >&2
            exit 1
          fi

          if [[ "${tag}" != "v${crate_version}" ]]; then
            echo "Tag ${tag} does not match crate version v${crate_version}" >&2
            exit 1
          fi

      - name: Cargo publish (dry-run)
        run: cargo publish --dry-run

      - name: Cargo publish
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
        run: cargo publish

      - name: Build release notes from changelog
        shell: bash
        run: |
          set -euo pipefail
          tag="${GITHUB_REF_NAME#v}"
          awk -v version="${tag}" '
            BEGIN { in_section=0 }
            $0 ~ "^## \\[" version "\\]" { in_section=1; next }
            /^## \[/ && in_section { exit }
            in_section { print }
          ' CHANGELOG.md > release-notes.md

          if [[ ! -s release-notes.md ]]; then
            echo "No changelog section found for ${tag}" >&2
            exit 1
          fi

      - name: Create GitHub release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ github.ref_name }}
          body_path: release-notes.md
          draft: false
          prerelease: false