publish.yml

name: Publish

on:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+'

jobs:
  check:
    runs-on: ubuntu-latest
    outputs:
      result:  ${{ steps.check-branch.outputs.value }}
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.repository.default_branch }}
          fetch-depth: 0
      - run: git branch -a --contains ${{ github.ref_name }} 2> /dev/null | grep -q ' main' && echo "value=true" >> "$GITHUB_OUTPUT" || exit 0
        id: check-branch

  publish:
    runs-on: ubuntu-latest
    needs: check
    if: needs.check.outputs.result == 'true'
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable
      - name: Make sure crate is ready
        run: cargo publish --dry-run
      - name: Publish the crate
        run: cargo publish --token ${{ secrets.CRATES_TOKEN }}