Merge pull request #472 from chriskuehl/gemfile-in-root

Fix ruby hooks in projects with weird options in.bundle/config

pre_commit/languages/ruby.py

@@ -22,6 +22,7 @@ def get_env_patch(venv, language_version):  # pragma: windows no cover
     patches = (
         ('GEM_HOME', os.path.join(venv, 'gems')),
         ('RBENV_ROOT', venv),
+        ('BUNDLE_IGNORE_CONFIG', '1'),
         ('PATH', (
             os.path.join(venv, 'gems', 'bin'), os.pathsep,
             os.path.join(venv, 'shims'), os.pathsep,

tests/repository_test.py

@@ -207,6 +207,30 @@ def test_run_versioned_ruby_hook(tempdir_factory, store):
     )
 
 
+@skipif_slowtests_false
+@xfailif_windows_no_ruby
+@pytest.mark.integration
+def test_run_ruby_hook_with_disable_shared_gems(
+        tempdir_factory,
+        store,
+        tmpdir,
+):
+    """Make sure a Gemfile in the project doesn't interfere."""
+    tmpdir.join('Gemfile').write('gem "lol_hai"')
+    tmpdir.join('.bundle').mkdir()
+    tmpdir.join('.bundle', 'config').write(
+        'BUNDLE_DISABLE_SHARED_GEMS: true\n'
+        'BUNDLE_PATH: vendor/gem\n'
+    )
+    with cwd(tmpdir.strpath):
+        _test_hook_repo(
+            tempdir_factory, store, 'ruby_versioned_hooks_repo',
+            'ruby_hook',
+            ['/dev/null'],
+            b'2.1.5\nHello world from a ruby hook\n',
+        )
+
+
 @pytest.mark.integration
 def test_system_hook_with_spaces(tempdir_factory, store):
     _test_hook_repo(