cargo_semver_checks.yaml

name: Cargo Semver Checks

on:
  workflow_call:
    inputs:
      bump-version:
        type: string
        required: true
  workflow_dispatch:
    inputs:
      bump-version:
        description: "Bump version: (e.g. -> 3.6.1)"
        type: string
      release_type:
        type: choice
        default: none
        options:
          - none
          - patch
          - minor
          - major

jobs:
  check-if-lib:
    uses: ./.github/workflows/crate_type.yaml

  get-baseline:
    runs-on: ubuntu-latest
    steps:
      - name: Fetch Repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install jql
        uses: taiki-e/install-action@v2
        with:
          tool: jql

      - name: Current versions
        id: get_baseline_hash
        run: |
          bump_version=${{ inputs.bump-version }}
          echo "bump_version: $bump_version"
          tag=v$bump_version

          # Check if tag exists
          if git rev-parse --verify $tag >/dev/null 2>&1; then
            echo "tag: $tag"
            echo "tag exists."
            echo "tag=$tag" >> "$GITHUB_OUTPUT";
            previous_tag=$(git tag --list --sort=refname | grep -B1 "^$tag$" | head -n1);
            echo "previous_tag: $previous_tag";
            # Skip semver-checks if tags are equal
            if [ "$previous_tag" = "$tag" ]; then
              hash=''
            else
              hash=$(git rev-parse "$previous_tag")
            fi
          else
            echo "Tag doesn't exist, it will use the latest crate version as the baseline tag"
            latest_tag=v$(cargo metadata --format-version=1 --no-deps | jql '"packages"|>"version"<|[0]' --raw-string);
            echo "baseline_tag: $latest_tag"
            # This allow to skip semver-checks when there is not tags.
            hash=$(git rev-parse "$latest_tag" 2>/dev/null || echo '')
          fi
          echo "hash: $hash";
          echo "baseline=$hash" >> "$GITHUB_OUTPUT";

      - name: "check-for-release-type"
        run: |

      - name: print if skip cargo-semver-checks
        if: ${{ steps.get_baseline_hash.outputs.baseline == '' || (inputs.bump-version == '' && inputs.release_type == 'none') }}
        run: |
          echo "semver-checks needs a baseline. The baseline is the latest commit(hash) of the previous tag"
          echo "cargo semver-checks will not run in 3 conditions:"
          echo "1. There is not tags"
          echo "2. There is only one tag and you bump version is that tag"
          echo "3  There is not bump version and you release_type=none"
          echo -e "\n"
          echo "4  You are screw if you use a lower bump_version of a non existent tag"
          echo "because it will run, but the baseline will be the latest tag"
          echo "the check will just pass and this will not print :)"

    outputs:
      baseline: ${{ steps.get_baseline_hash.outputs.baseline }}
      tag: ${{ steps.get_baseline_hash.outputs.tag }}

  cargo-semver-checks:
    needs: [check-if-lib, get-baseline]
    if: ${{ needs.check-if-lib.outputs.is_lib == 'true' && needs.get-baseline.outputs.baseline != '' && (inputs.bump-version != '' || inputs.release_type != 'none') }}
    runs-on: ubuntu-latest
    steps:
      - name: Fetch Repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ needs.get-baseline.outputs.tag || 'main' }}

      - name: Install stable toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1

      - name: Install cargo-bump
        uses: taiki-e/install-action@v2
        with:
          tool: cargo-bump

      - name: Run cargo bump
        run: cargo bump ${{ inputs.bump-version || inputs.release_type }}

      - name: Install cargo-semver-checks
        uses: taiki-e/install-action@v2
        with:
          tool: cargo-semver-checks

      - name: Run cargo-semver-checks
        run: cargo semver-checks --baseline-rev ${{ needs.get-baseline.outputs.baseline }};