Merge pull request #254371 from NixOS/yu-re-ka-patch-1

name: Check pkgs/by-name

# The pre-built tool is fetched from a channel,

# making it work predictable on all PRs

on: pull_request

# making it work predictable on all PRs.

on:

  # Using pull_request_target instead of pull_request avoids having to approve first time contributors

  pull_request_target

# The tool doesn't need any permissions, it only outputs success or not based on the checkout

permissions: {}

    runs-on: ubuntu-latest

    steps:

      - uses: actions/checkout@v4

        with:

          # pull_request_target checks out the base branch by default

          ref: refs/pull/${{ github.event.pull_request.number }}/merge

      - uses: cachix/install-nix-action@v23

      - name: Determining channel to use for dependencies

        run: |