d3vlog 0.2.0

name: Release

on:
  push:
    tags:
      - "v*.*.*"

permissions:
  contents: read

concurrency:
  group: release
  cancel-in-progress: false

env:
  CRATE_NAME: d3vlog
  FORMULA_PATH: Formula/devlog.rb

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

    steps:
      - uses: actions/checkout@v7

      - name: Install Rust stable
        run: |
          set -euo pipefail

          rustup toolchain install stable --profile minimal
          rustup default stable
          rustup component add rustfmt clippy

      - name: Check tag matches Cargo.toml version
        run: |
          set -euo pipefail

          if [[ ! "$GITHUB_REF_NAME" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "Tag must look like vMAJOR.MINOR.PATCH, got: $GITHUB_REF_NAME" >&2
            exit 1
          fi

          TAG_VERSION="${GITHUB_REF_NAME#v}"
          CARGO_VERSION="$(cargo metadata --no-deps --format-version 1 |
              jq -r --arg name "$CRATE_NAME" '.packages[] | select(.name == $name) | .version'
          )"

          if [[ -z "$CARGO_VERSION" ]]; then
            echo "Could not find package named '$CRATE_NAME' in cargo metadata" >&2
            exit 1
          fi

          echo "Git tag:      $TAG_VERSION"
          echo "Cargo.toml:   $CARGO_VERSION"

          test "$TAG_VERSION" = "$CARGO_VERSION"

      - name: Check formatting
        run: cargo fmt --check

      - name: Clippy
        run: cargo clippy --all-targets --all-features -- -D warnings

      - name: Test
        run: cargo test --all-targets --all-features

      - name: Package dry run
        run: cargo publish --dry-run --locked --package "$CRATE_NAME"

  publish-crate:
    name: Publish to crates.io
    needs: validate
    runs-on: ubuntu-latest
    environment: release

    permissions:
      contents: read
      id-token: write

    steps:
      - uses: actions/checkout@v7

      - name: Install Rust stable
        run: |
          set -euo pipefail

          rustup toolchain install stable --profile minimal
          rustup default stable

      - name: Authenticate with crates.io
        id: auth
        uses: rust-lang/crates-io-auth-action@v1

      - name: Publish crate
        run: cargo publish --locked --package "$CRATE_NAME"
        env:
          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}

  update-homebrew:
    name: Update Homebrew tap
    needs: publish-crate
    runs-on: ubuntu-latest

    steps:
      - name: Compute source archive SHA256
        id: archive
        run: |
          set -euo pipefail

          URL="https://github.com/w3lt/devlog/archive/refs/tags/${GITHUB_REF_NAME}.tar.gz"
          SHA256="$(curl -fsSL "$URL" | shasum -a 256 | awk '{print $1}')"

          echo "url=$URL" >> "$GITHUB_OUTPUT"
          echo "sha256=$SHA256" >> "$GITHUB_OUTPUT"

      - name: Checkout Homebrew tap
        uses: actions/checkout@v7
        with:
          repository: w3lt/homebrew-devlog
          token: ${{ secrets.HOMEBREW_TAP_TOKEN }}
          path: homebrew-devlog

      - name: Update formula
        run: |
          set -euo pipefail

          cd homebrew-devlog

          export URL="${{ steps.archive.outputs.url }}"
          export SHA256="${{ steps.archive.outputs.sha256 }}"

          perl -0pi -e 's|^  url ".*"$|  url "$ENV{URL}"|m; s|^  sha256 ".*"$|  sha256 "$ENV{SHA256}"|m' "$FORMULA_PATH"

          grep -F "  url \"$URL\"" "$FORMULA_PATH"
          grep -F "  sha256 \"$SHA256\"" "$FORMULA_PATH"

          git diff -- "$FORMULA_PATH"

      - name: Commit and push formula update
        run: |
          set -euo pipefail

          cd homebrew-devlog

          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          git add "$FORMULA_PATH"

          if git diff --cached --quiet; then
            echo "No formula changes"
            exit 0
          fi

          git commit -m "devlog ${GITHUB_REF_NAME#v}" || exit 0
          git push