# Code coverage generation via cargo-tarpaulin, and uploaded to codecov.

name: codecov

on:
  workflow_dispatch:
  pull_request:
  push:
    branches:
      - master

env:
  CARGO_INCREMENTAL: 0

jobs:
  pre_job:
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ steps.skip_check.outputs.should_skip }}
    steps:
      - id: skip_check
        uses: fkirc/skip-duplicate-actions@38c3738dcac87b41e2b7038775457756c793566e # https://github.com/fkirc/skip-duplicate-actions/commit/38c3738dcac87b41e2b7038775457756c793566e
        with:
          concurrent_skipping: "same_content_newer"
          skip_after_successful_duplicate: "false"
          paths: '["tests/**", "src/**", ".github/workflows/coverage.yml", ".cargo/**", "Cargo.toml", "Cargo.lock", "build.rs"]'
          do_not_skip: '["workflow_dispatch", "push"]'

  coverage:
    needs: pre_job
    if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Set up Rust toolchain
        uses: dtolnay/rust-toolchain@88e7c2e1da2693cf72d58fce9416206818e61dea # https://github.com/dtolnay/rust-toolchain/commit/88e7c2e1da2693cf72d58fce9416206818e61dea
        with:
          toolchain: stable

      - name: Enable Rust cache
        uses: Swatinem/rust-cache@cb2cf0cc7c5198d3364b9630e2c3d457f160790c # 1.4.0

      - name: Install cargo-llvm-cov
        run: |
          rustup component add llvm-tools-preview
          cargo install cargo-llvm-cov --version 0.4.8 --locked

      - name: Generate code coverage
        run: |
          cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info

      - name: Upload to codecov.io
        uses: codecov/codecov-action@f32b3a3741e1053eb607407145bc9619351dc93b # 2.1.0
        with:
          files: lcov.info
          fail_ci_if_error: true