feat: add new input to allow include statements at the top of formula class

README.md

@@ -89,6 +89,10 @@ jobs:
           # Optional - string
           custom_require: custom_download_strategy
 
+          # Allows you to add custom includes inside the formula class, before dependencies and install blocks.
+          # Optional - string
+          formula_includes: 'include Language::Python::Virtualenv'
+
           # Override the automatically detected version of a formula with an explicit value.
           # This option should only be used if Homebrew cannot automatically detect the version when generating
           # the Homebrew formula. Including this when not necessary could lead to uninstallable formula that may 

docker-compose.yml

@@ -16,6 +16,7 @@ services:
       - INPUT_TEST='assert_match("my script output", shell_output("my-script-command"))'
       - INPUT_DOWNLOAD_STRATEGY=
       - INPUT_CUSTOM_REQUIRE=
+      - INPUT_FORMULA_INCLUDES=
       - INPUT_TARGET_DARWIN_AMD64=
       - INPUT_TARGET_DARWIN_ARM64=
       - INPUT_TARGET_LINUX_AMD64=

homebrew_releaser/app.py

@@ -10,6 +10,7 @@
     CUSTOM_REQUIRE,
     DOWNLOAD_STRATEGY,
     FORMULA_FOLDER,
+    FORMULA_INCLUDES,
     GITHUB_OWNER,
     GITHUB_REPO,
     GITHUB_TOKEN,
@@ -156,6 +157,7 @@ def run_github_action():
             TEST,
             DOWNLOAD_STRATEGY,
             CUSTOM_REQUIRE,
+            FORMULA_INCLUDES,
             version_no_v if VERSION else None,
         )
 

homebrew_releaser/constants.py

@@ -10,6 +10,7 @@
 )  # Must check for string `false` since GitHub Actions passes the bool as a string
 DOWNLOAD_STRATEGY = os.getenv('INPUT_DOWNLOAD_STRATEGY')
 CUSTOM_REQUIRE = os.getenv('INPUT_CUSTOM_REQUIRE')
+FORMULA_INCLUDES = os.getenv('INPUT_FORMULA_INCLUDES')
 VERSION = os.getenv('INPUT_VERSION')
 
 # App Constants

homebrew_releaser/formula.py

@@ -31,6 +31,7 @@ def generate_formula_data(
         test: Optional[str] = None,
         download_strategy: Optional[str] = None,
         custom_require: Optional[str] = None,
+        formula_includes: Optional[str] = None,
         version: Optional[str] = None,
     ) -> str:
         """Generates the formula data for Homebrew.
@@ -127,6 +128,10 @@ def generate_formula_data(
 
 # This file was generated by Homebrew Releaser. DO NOT EDIT.
 class {{class_name}} < Formula
+  {{# formula_includes}}
+  {{{formula_includes}}}
+
+  {{/ formula_includes}}
   desc "{{description}}"
   homepage "https://github.com/{{owner}}/{{repo_name}}"
   url "{{tar_url}}"{{# download_strategy}}, using: {{download_strategy}}{{/ download_strategy}}
@@ -212,6 +217,7 @@ def install
                 'test_instructions': test.strip() if test else None,
                 'download_strategy': download_strategy,
                 'custom_require': custom_require,
+                'formula_includes': formula_includes.strip() if formula_includes else None,
                 'version': version,
                 'darwin_amd64_url': darwin_amd64_url,
                 'darwin_amd64_checksum': darwin_amd64_checksum,

test/formulas/test_generate_formula_formula_includes.rb

@@ -0,0 +1,17 @@
+# typed: true
+# frozen_string_literal: true
+
+# This file was generated by Homebrew Releaser. DO NOT EDIT.
+class TestGenerateFormulaFormulaIncludes < Formula
+  include Language::Python::Virtualenv
+
+  desc "Release scripts, binaries, and executables to github"
+  homepage "https://github.com/Justintime50/test-generate-formula-formula-includes"
+  url "https://github.com/Justintime50/test-generate-formula-formula-includes/archive/refs/tags/v0.1.0.tar.gz"
+  sha256 "0000000000000000000000000000000000000000000000000000000000000000"
+  license "MIT"
+
+  def install
+    bin.install "src/secure-browser-kiosk.sh" => "secure-browser-kiosk"
+  end
+end

test/unit/test_formula.py

@@ -684,3 +684,39 @@ def test_generate_formula_override_version():
     record_formula(formula_path, formula_filename, formula)
 
     assert '9.8.7' in formula
+
+
+def test_generate_formula_formula_includes():
+    """Tests that we generate the formula content correctly when using the formula_includes param.
+
+    NOTE: See docstring in `record_formula` for more details on how recording formulas works.
+    """
+    formula_filename = f'{inspect.stack()[0][3]}.rb'
+    mock_repo_name = formula_filename.replace('_', '-').replace('.rb', '')
+    mock_tar_url = f'https://github.com/{USERNAME}/{mock_repo_name}/archive/refs/tags/v0.1.0.tar.gz'
+
+    repository = {
+        'description': DESCRIPTION,
+        'license': LICENSE,
+    }
+
+    formula = Formula.generate_formula_data(
+        owner=USERNAME,
+        repo_name=mock_repo_name,
+        repository=repository,
+        checksums=[
+            {
+                f'{mock_repo_name}.tar.gz': {
+                    'checksum': CHECKSUM,
+                    'url': f'https://github.com/justintime50/{mock_repo_name}/releases/download/{VERSION}/{mock_repo_name}-{VERSION}.tar.gz',  # noqa
+                },
+            }
+        ],
+        install=INSTALL,
+        tar_url=mock_tar_url,
+        formula_includes='include Language::Python::Virtualenv',
+    )
+
+    record_formula(formula_path, formula_filename, formula)
+
+    assert 'include Language::Python::Virtualenv' in formula

test/unit/test_readme_updater.py

@@ -75,7 +75,7 @@ def test_format_formula_data():
     """
     formulas = ReadmeUpdater.format_formula_data('./test')
 
-    assert len(formulas) == 13
+    assert len(formulas) == 14
     assert formulas[0] == {
         'name': 'test-generate-formula',
         'desc': 'Tool to release scripts, binaries, and executables to github',