glpk-sys 0.3.0

GLPK bindings for Rust.
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name: publish

on:
  push:
    tags:
      - 'v*'
  pull_request:

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - run: rustup toolchain install stable --profile minimal
      - run: sudo apt-get update && sudo apt-get install -y libglpk-dev

      - name: verify tag matches crate version
        if: github.event_name == 'push'
        run: |
          TAG="${GITHUB_REF_NAME#v}"
          VERSION="$(cargo metadata --no-deps --format-version=1 \
            | jq -r '.packages[] | select(.name == "glpk-sys") | .version')"
          if [ "$TAG" != "$VERSION" ]; then
            echo "::error::tag ${GITHUB_REF_NAME} does not match crate version ${VERSION}"
            exit 1
          fi
          echo "tag ${GITHUB_REF_NAME} matches crate version ${VERSION}"

      - name: publish to crates.io (dry-run)
        if: ${{ github.event_name == 'pull_request' && !github.event.pull_request.head.repo.fork }}
        run: |
          # validate token
          cargo login ${{ secrets.CRATES_TOKEN }}
          cargo publish --dry-run

      - name: publish to crates.io (real)
        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
        run: cargo publish --token ${{ secrets.CRATES_TOKEN }}