atomic-bitflags 0.2.0

Atomic storage for bitflags flag sets
Documentation 
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name: release

on:
  push:
    tags: ["v*"]

permissions:
  contents: read

jobs:
  verify:
    name: Verify
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Tag points at main
        run: |
          git fetch --no-tags origin "+refs/heads/main:refs/remotes/origin/main"
          git merge-base --is-ancestor "$GITHUB_SHA" refs/remotes/origin/main

      - name: Tag matches Cargo.toml version
        run: |
          version="$(sed -n 's/^version = "\(.*\)"$/\1/p' Cargo.toml | head -n1)"
          if [ "v${version}" != "$GITHUB_REF_NAME" ]; then
            echo "tag $GITHUB_REF_NAME does not match Cargo.toml version $version"
            exit 1
          fi

      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy

      - run: cargo fmt --check
      - run: cargo clippy --all-targets --locked -- -D warnings
      - run: cargo test --locked

  publish:
    name: Publish
    needs: verify
    runs-on: ubuntu-latest
    permissions:
      contents: write # create the GitHub release
      id-token: write # exchange the GitHub OIDC token with crates.io
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check if the version is already published
        id: published
        run: |
          package="$(sed -n 's/^name = "\(.*\)"$/\1/p' Cargo.toml | head -n1)"
          version="$(sed -n 's/^version = "\(.*\)"$/\1/p' Cargo.toml | head -n1)"
          status="$(curl -sS -o /dev/null -w '%{http_code}' \
            -A 'atomic-bitflags release workflow' \
            "https://crates.io/api/v1/crates/${package}/${version}")"
          if [ "$status" = "200" ]; then
            echo "exists=true" >> "$GITHUB_OUTPUT"
            echo "${package} ${version} is already on crates.io; skipping publish"
          else
            echo "exists=false" >> "$GITHUB_OUTPUT"
          fi

      - uses: dtolnay/rust-toolchain@stable

      # Trusted publishing: no long-lived secret. Requires the crate to be
      # registered on crates.io for this repository and workflow file.
      - uses: rust-lang/crates-io-auth-action@v1
        id: auth
        if: steps.published.outputs.exists != 'true'

      - name: Publish to crates.io
        if: steps.published.outputs.exists != 'true'
        run: cargo publish --locked
        env:
          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}

      - name: Create GitHub release
        run: |
          if gh release view "$GITHUB_REF_NAME" >/dev/null 2>&1; then
            echo "release $GITHUB_REF_NAME already exists"
          else
            gh release create "$GITHUB_REF_NAME" --generate-notes
          fi
        env:
          GH_TOKEN: ${{ github.token }}