linguist.yml

# yaml-language-server: $schema=https://json.schemastore.org/github-workflow

name: "Linguist"

on:
    workflow_dispatch:
        inputs:
            repository:
                type: "string"
                description: "Repository: username/project"
                required: true

permissions: {}

concurrency:
    group: "${{ github.workflow }}-${{ github.ref }}"
    cancel-in-progress: true

jobs:
    linguist:
        name: "Language statistics - ${{ inputs.repository }}"
        runs-on: "ubuntu-22.04"
        timeout-minutes: 5
        steps:
        -
            name: "Checkout repository"
            uses: "actions/checkout@v4.1.1"
            with:
                repository: "${{ inputs.repository }}"
        -
            name: "Set up Ruby"
            uses: "ruby/setup-ruby@v1.159.0"
            with:
                ruby-version: "ruby"
        -
            name: "Determine gem cache key"
            id: "gem_cache"
            run: |
                echo "key=ruby-$(ruby -e 'puts RUBY_VERSION')-gem-$(gem environment version)" >>"${GITHUB_OUTPUT}"
        -
            name: "Cache gems"
            uses: "actions/cache@v3.3.2"
            with:
                # This is experimental! find ~/.local/share/gem/
                path: "~/.local/share/gem"
                key: "${{ runner.os }}-${{ steps.gem_cache.outputs.key }}"
        -
            name: "Install github-linguist"
            run: |
                gem install --user-install github-linguist
        -
            name: "Run github-linguist"
            run: |
                git ls-files --cached | git check-attr --stdin --all | grep -F ': linguist-' || true
                {
                    echo '```'
                    printf '%-7s %-10s %s\n' "percent" "bytes" "grammar" "-------" "-----" "-------"
                    "$(ruby -e 'puts Gem.user_dir')/bin/github-linguist"
                    echo '```'
                } >>"${GITHUB_STEP_SUMMARY}"