Revert of Cross-repo recipe package system.

scripts/slave/recipe_modules/generator_script/example.py

+# Copyright 2013 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+DEPS = [
+  'generator_script',
+  'json',
+  'path',
+  'properties',
+  'step',
+]
+
+
+def RunSteps(api):
+  api.path['checkout'] = api.path['slave_build']
+  script_name = api.properties['script_name']
+  script_env = api.properties.get('script_env')
+  api.generator_script(script_name, env=script_env)
+
+def GenTests(api):
+  yield (
+    api.test('basic') +
+    api.properties(script_name="bogus") +
+    api.generator_script(
+      'bogus',
+      {'name': 'mock.step.binary', 'cmd': ['echo', 'mock step binary']}
+    )
+  )
+
+  yield (
+    api.test('basic_python') +
+    api.properties(script_name="bogus.py", script_env={'FOO': 'bar'}) +
+    api.generator_script(
+      'bogus.py',
+      {'name': 'mock.step.python', 'cmd': ['echo', 'mock step python']},
+    )
+  )
+
+  yield (
+    api.test('presentation') +
+    api.properties(script_name='presentation.py') +
+    api.generator_script(
+      'presentation.py', {
+        'name': 'mock.step.presentation',
+        'cmd': ['echo', 'mock step presentation'],
+        'outputs_presentation_json': True
+      }
+    ) +
+    api.step_data(
+      'mock.step.presentation',
+      api.json.output({'step_text': 'mock step text'})
+    )
+  )
+
+  yield (
+    api.test('always_run') +
+    api.properties(script_name='always_run.py') +
+    api.generator_script(
+      'always_run.py',
+      {'name': 'runs', 'cmd': ['echo', 'runs succeeds']},
+      {'name': 'fails', 'cmd': ['echo', 'fails fails!']},
+      {'name': 'skipped', 'cmd': ['echo', 'absent']},
+      {'name': 'always_runs', 'cmd': ['echo', 'runs anyway'],
+       'always_run': True},
+    ) +
+    api.step_data('fails', retcode=1)
+  )