tzf-rs 2.0.0

Fast convert longitude,latitude to timezone name.
Documentation 
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name: Rust

on:
  push:
    branches: ["main", "v2"]
    paths:
      - "**/*.rs"
      - "Cargo.toml"
      - "Cargo.lock"
      - "rust-toolchain.toml"
      - ".cargo/**"
      - "Makefile"
      - ".github/workflows/rust.yml"
  pull_request:
    branches: ["main", "v2"]
    paths:
      - "**/*.rs"
      - "Cargo.toml"
      - "Cargo.lock"
      - "rust-toolchain.toml"
      - ".cargo/**"
      - "Makefile"
      - ".github/workflows/rust.yml"
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always
  # Sibling checkouts backing the Cargo path dependency on ../tzf-dist.
  # Interim wiring until tzf-dist publishes the .tzb artifact release: the
  # tzf checkout's build script assembles the artifact set from the upstream
  # raw GeoJSON and installs it over tzf-dist's committed placeholders.
  #
  # POST-RELEASE FORM: every step guarded by `steps.data.outputs.bootstrap`
  # below becomes dead once Cargo.toml switches to the release-form
  # dependencies (registry `tzf-dist` + git `tzf-dist-git`, see Cargo.toml).
  # The guard makes that automatic — the tzf / tzf-dist checkouts, the Go
  # toolchain, the artifact cache and the build script all skip themselves,
  # and the job reduces to "checkout, setup-rust, make ci". Delete the
  # guarded steps, the three env vars and `defaults.run.working-directory`
  # (moving the checkout back to the workspace root) in a follow-up cleanup.
  # `make test-full` / `make bench-full` keep working after the switch:
  # building tzf-rs from its own manifest uses the git source of
  # `tzf-dist-git`, which carries full.tzb. Only *consumers of the published
  # crate* lose the git source (see Cargo.toml's release-form notes).
  TZF_REF: embedded
  TZF_DIST_REF: v2-artifacts
  TBB_VERSION: 2026c

permissions:
  contents: write
  deployments: write

concurrency:
  group: publish-${{ github.ref_name }}
  cancel-in-progress: false

defaults:
  run:
    working-directory: tzf-rs

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Collect Workflow Telemetry
        uses: runforesight/workflow-telemetry-action@v2
        with:
          comment_on_pr: false

      - uses: actions/checkout@v7
        with:
          path: tzf-rs

      # True only while Cargo.toml carries the dev-form path dependency on
      # ../tzf-dist. Everything below that is guarded on it disappears by
      # itself once the release-form dependencies land.
      - name: Does this manifest still need the sibling tzf-dist bootstrap?
        id: data
        run: |
          if grep -Eq '^[[:space:]]*tzf-dist[[:space:]]*=.*path[[:space:]]*=' Cargo.toml; then
            echo "bootstrap=true" >> "$GITHUB_OUTPUT"
          else
            echo "bootstrap=false" >> "$GITHUB_OUTPUT"
          fi

      - uses: actions/checkout@v7
        if: steps.data.outputs.bootstrap == 'true'
        with:
          repository: ringsaturn/tzf
          ref: ${{ env.TZF_REF }}
          path: tzf
      - uses: actions/checkout@v7
        if: steps.data.outputs.bootstrap == 'true'
        with:
          repository: ringsaturn/tzf-dist
          ref: ${{ env.TZF_DIST_REF }}
          path: tzf-dist

      - uses: actions/setup-go@v5
        if: steps.data.outputs.bootstrap == 'true'
        with:
          go-version-file: tzf/go.mod
          cache-dependency-path: tzf/go.sum

      - name: Cache tzf-dist artifact build
        if: steps.data.outputs.bootstrap == 'true'
        uses: actions/cache@v4
        with:
          path: tzf/tmp/tzf-dist-dev
          key: tzf-dist-dev-${{ env.TBB_VERSION }}-${{ hashFiles('tzf/scripts/build-tzf-dist-dev.sh', 'tzf/internal/**', 'tzf/cmd/**') }}

      - name: Build and install tzf-dist artifacts
        if: steps.data.outputs.bootstrap == 'true'
        working-directory: tzf
        run: ./scripts/build-tzf-dist-dev.sh

      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          components: rustfmt, clippy
          workspaces: tzf-rs

      - run: make ci

      - name: Publish benchmark summary to job summary
        if: always()
        run: |
          if [ -f benchmark_summary.md ]; then
            cat benchmark_summary.md >> "$GITHUB_STEP_SUMMARY"
          else
            echo "benchmark_summary.md not found." >> "$GITHUB_STEP_SUMMARY"
          fi

      - name: Upload benchmark summary artifact
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: benchmark_summary
          path: |
            tzf-rs/benchmark_summary.md
            tzf-rs/benchmark_result.txt
            tzf-rs/benchmark_full_result.txt

      - name: Upload criterion results artifact
        uses: actions/upload-artifact@v7
        with:
          name: criterion_result
          path: tzf-rs/target/criterion