name: Escaping characters in Makefile

on: [push, pull_request]

jobs:
  quoting_arguments:
    name: Quoting arguments
    runs-on: ubuntu-18.04
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: make test
        run: |
          cd makefile_escaping
          diff <( echo "$expected" ) <( make -f quoting_args.mk test )
    env:
      expected: |-
        printf '%s\n' Same line?
        Same
        line?
        printf '%s\n' 'Same line?'
        Same line?
        printf '%s\n' $test_var
        Same
        line?
        printf '%s\n' "$test_var"
        Same line?
  escaping_quotes:
    name: Escaping quotes
    runs-on: ubuntu-18.04
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: make test
        run: |
          cd makefile_escaping
          diff <( echo "$expected" ) <( make -f escaping_quotes.mk test )
    env:
      expected: |-
        printf '%s\n' 'Includes '\'' quote'
        Includes ' quote
        bash -c 'printf '\''%s\n'\'' '\''Includes '\''\'\'''\'' quote'\'''
        Includes ' quote
        bash -c 'bash -c '\''printf '\''\'\'''\''%s\n'\''\'\'''\'' '\''\'\'''\''Includes '\''\'\'''\''\'\''\'\'''\'''\''\'\'''\'' quote'\''\'\'''\'''\'''
        Includes ' quote
  shell_output:
    name: Shell output
    runs-on: ubuntu-18.04
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: make test
        run: |
          cd makefile_escaping
          diff <( echo "$expected_includes_quote"     ) <( mkdir -p -- "Includes ' quote"      && cd -- "Includes ' quote"      && make -f ../escaping_shell.mk test )
          diff <( echo "$expected_maybe_comment"      ) <( mkdir -p -- 'Maybe a comment #'     && cd -- 'Maybe a comment #'     && make -f ../escaping_shell.mk test )
          diff <( echo "$expected_variable_reference" ) <( mkdir -p -- 'Variable ${reference}' && cd -- 'Variable ${reference}' && make -f ../escaping_shell.mk test )
    env:
      expected_includes_quote: |-
        Includes ' quote
        Includes ' quote
        Includes ' quote
        Includes ' quote
        Outer variable - Inner variable - Includes ' quote
        Outer variable - Inner variable - Includes ' quote
      expected_maybe_comment: |-
        Maybe a comment #
        Maybe a comment #
        Maybe a comment #
        Maybe a comment #
        Outer variable - Inner variable - Maybe a comment #
        Outer variable - Inner variable - Maybe a comment #
      expected_variable_reference: |-
        Variable ${reference}
        Variable ${reference}
        Variable ${reference}
        Variable ${reference}
        Outer variable - Inner variable - Variable ${reference}
        Outer variable - Inner variable - Variable ${reference}
  env_variables:
    name: Environment variables
    runs-on: ubuntu-18.04
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: make test
        run: |
          cd makefile_escaping
          diff <( echo "$expected" ) <( test_var="Quote ' "'and variable ${reference}' make -f escaping_env_vars.mk test )
    env:
      expected: |-
        Quote ' and variable ${reference}
        Quote ' and variable ${reference}
        Quote ' and variable ${reference}
        Quote ' and variable ${reference}
        Outer variable - Inner variable - Quote ' and variable ${reference}
        Outer variable - Inner variable - Quote ' and variable ${reference}