nixpkgs/.github/workflows/lint.yml at master · applicative-systems/nixpkgs · GitHub

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name: Lint

on:
  workflow_call:
    inputs:
      mergedSha:
        required: true
        type: string
      targetSha:
        required: true
        type: string
    secrets:
      # Should only be provided in the merge queue, not in pull requests,
      # where we're evaluating untrusted code.
      CACHIX_AUTH_TOKEN_GHA:
        required: false

permissions: {}

defaults:
  run:
    shell: bash

jobs:
  treefmt:
    runs-on: ubuntu-24.04-arm
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
        with:
          persist-credentials: false
          sparse-checkout: .github/actions
      - name: Checkout the merge commit
        uses: ./.github/actions/checkout
        with:
          merged-as-untrusted-at: ${{ inputs.mergedSha }}

      - uses: cachix/install-nix-action@0b0e072294b088b73964f1d72dfdac0951439dbd # v31

      # TODO: Figure out how to best enable caching for the treefmt job. Cachix won't work well,
      # because the cache would be invalidated on every commit - treefmt checks every file.
      # Maybe we can cache treefmt's eval-cache somehow.

      - name: Check that files are formatted
        run: |
          # Note that it's fine to run this on untrusted code because:
          # - There's no secrets accessible here
          # - The build is sandboxed
          if ! nix-build nixpkgs/untrusted/ci --arg nixpkgs ./nixpkgs/untrusted-pinned -A fmt.check; then
            echo "Some files are not properly formatted"
            echo "Please format them by going to the Nixpkgs root directory and running one of:"
            echo "  nix-shell --run treefmt"
            echo "  nix develop --command treefmt"
            echo "  nix fmt"
            echo "Make sure your branch is up to date with master; rebase if not."
            echo "If you're having trouble, please ping @NixOS/nix-formatting"
            exit 1
          fi

  parse:
    runs-on: ubuntu-24.04-arm
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
        with:
          persist-credentials: false
          sparse-checkout: .github/actions
      - name: Checkout the merge commit
        uses: ./.github/actions/checkout
        with:
          merged-as-untrusted-at: ${{ inputs.mergedSha }}

      - uses: cachix/install-nix-action@0b0e072294b088b73964f1d72dfdac0951439dbd # v31

      - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
        continue-on-error: true
        with:
          # The nixpkgs-gha cache should not be trusted or used outside of Nixpkgs and its forks' CI.
          name: ${{ vars.CACHIX_NAME || 'nixpkgs-gha' }}
          extraPullNames: nixpkgs-gha
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN_GHA }}
          pushFilter: -source$

      - name: Parse all nix files
        run: |
          # Tests multiple versions at once, let's make sure all of them run, so keep-going.
          nix-build nixpkgs/untrusted/ci --arg nixpkgs ./nixpkgs/untrusted-pinned -A parse --keep-going

  nixpkgs-vet:
    runs-on: ubuntu-24.04-arm
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
        with:
          persist-credentials: false
          sparse-checkout: .github/actions
      - name: Checkout merge and target commits
        uses: ./.github/actions/checkout
        with:
          merged-as-untrusted-at: ${{ inputs.mergedSha }}
          target-as-trusted-at: ${{ inputs.targetSha }}

      - uses: cachix/install-nix-action@0b0e072294b088b73964f1d72dfdac0951439dbd # v31

      - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
        continue-on-error: true
        with:
          # The nixpkgs-gha cache should not be trusted or used outside of Nixpkgs and its forks' CI.
          name: ${{ vars.CACHIX_NAME || 'nixpkgs-gha' }}
          extraPullNames: nixpkgs-gha
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN_GHA }}
          pushFilter: -source$

      - name: Running nixpkgs-vet
        env:
          # Force terminal colors to be enabled. The library that `nixpkgs-vet` uses respects https://bixense.com/clicolors/
          CLICOLOR_FORCE: 1
        run: |
          if nix-build nixpkgs/untrusted/ci --arg nixpkgs ./nixpkgs/untrusted-pinned -A nixpkgs-vet --arg base "./nixpkgs/trusted" --arg head "./nixpkgs/untrusted"; then
            exit 0
          else
            exitCode=$?
            echo "To run locally: ./ci/nixpkgs-vet.sh $GITHUB_BASE_REF https://github.com/$GITHUB_REPOSITORY.git"
            echo "If you're having trouble, ping @NixOS/nixpkgs-vet"
            exit "$exitCode"
          fi