fasti 0.2.0

Dates, calendars, business-day conventions and day-count fractions for financial code. Native Rust, no_std, float-free; designed after QuantLib's ql/time.
Documentation 
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name: Release

# Publishes to crates.io when a v* tag is pushed. The tag is the trigger,
# but the version of record is the one in Cargo.toml — the first job
# refuses to publish if they disagree, which is the failure mode that
# otherwise produces an unreclaimable wrong version number on crates.io.
on:
  push:
    tags: ["v*"]

env:
  CARGO_TERM_COLOR: always
  CARGO_INCREMENTAL: 0

jobs:
  verify:
    name: verify tag
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.check.outputs.version }}
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
      - id: check
        run: |
          set -euo pipefail
          tag="${GITHUB_REF_NAME#v}"
          manifest=$(cargo metadata --no-deps --format-version 1 \
            | python3 -c 'import json,sys; print(json.load(sys.stdin)["packages"][0]["version"])')
          if [ "$tag" != "$manifest" ]; then
            echo "::error::tag v$tag does not match Cargo.toml version $manifest"
            exit 1
          fi
          grep -q "\[$manifest\]" CHANGELOG.md \
            || { echo "::error::CHANGELOG.md has no section for $manifest"; exit 1; }
          echo "version=$manifest" >> "$GITHUB_OUTPUT"

  gates:
    name: gates
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy, rustfmt
      - uses: Swatinem/rust-cache@v2
      - run: cargo fmt --all --check
      - run: cargo clippy --locked --all-features --all-targets -- -D warnings
      - run: cargo test --locked --all-features --all-targets
      - run: cargo test --locked --all-features --doc
      - run: cargo package --locked

  publish:
    name: publish to crates.io
    needs: [verify, gates]
    runs-on: ubuntu-latest
    # Gate the token behind a GitHub environment so publishing needs the
    # protection rules configured there, not just push access to a tag.
    environment: crates-io
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@stable
      # Alternative to the token below: crates.io Trusted Publishing,
      # which mints a short-lived token from this workflow's OIDC identity
      # and removes the stored secret entirely. Requires configuring the
      # publisher on crates.io first.
      - run: cargo publish --locked
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}

  github-release:
    name: github release
    needs: [verify, publish]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v7
      - name: Create release from the changelog section
        env:
          GH_TOKEN: ${{ github.token }}
          VERSION: ${{ needs.verify.outputs.version }}
        run: |
          set -euo pipefail
          python3 - "$VERSION" > body.md <<'PY'
          import re, sys
          version = sys.argv[1]
          text = open("CHANGELOG.md").read()
          m = re.search(
              rf"^## \[{re.escape(version)}\].*?$(.*?)(?=^## \[|\Z)",
              text, re.M | re.S)
          sys.stdout.write(m.group(1).strip() if m else "")
          PY
          gh release create "$GITHUB_REF_NAME" --title "$GITHUB_REF_NAME" --notes-file body.md