cargo-publish.yml

name: Publish to crates.io

on:
  # Triggered when we tag a release (including a prerelease)
  release:
    types: [published]

concurrency:
  # Cancels pending runs when a PR gets updated.
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  cargo-publish:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4

      # Show the Rust toolchain we are actually using
      - run: rustup show
      - run: cargo --version

      - name: Cargo login
        run: cargo login ${{ secrets.CI_CARGO_LOGIN }}
      - name: Publish sub crates
        run: |
          cargo publish --manifest-path=macros/Cargo.toml
      # Publish MMTk core.
      # As mmtk-core depends on the crate we just publish above, in practice there could be
      # a delay before we can find the exact version for the dependent crate on crates.io.
      # The script will retry publish for 5 times with 60 seconds between the retries.
      - name: Public mmtk-core
        run: |
          success=false

          for n in {1..5}; do
              echo "Attempt #"$n
              cargo publish && { success=true; break; }
              echo "Wait for Retry #"$n
              sleep 60
          done

          if [ "$success" = false ]; then
              echo "All attempts to publish failed."
              exit 1
          fi