Add prebuilt and codereview.settings to chromiumos-overlay

ROOT_PRESUBMIT.py

Index: ROOT_PRESUBMIT.py
diff --git a/ROOT_PRESUBMIT.py b/ROOT_PRESUBMIT.py
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+++ b/ROOT_PRESUBMIT.py
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+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Top-level presubmit script for Chromium OS.
+
+See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
+for more details about the presubmit API built into gcl and git cl.
+"""
+
+import re
+
+_EXCLUDED_PATHS = (
+    r"^inherit-review-settings-ok$",
+    r".*[\\\/]debian[\\\/]rules$",
+)
+
+# These match files that should contain tabs as indentation.
+_TAB_OK_PATHS = (
+    r"/src/third_party/kernel/",
+    r"/src/third_party/kernel-next/",
+    r"/src/third_party/u-boot/",
+    r"/src/third_party/u-boot-next/",
+    r".*\.ebuild$",
+    r".*\.eclass$",
+)
+
+# These match files that are part of out "next" developemnt flow and as such
+# do not require a valid BUG= field to commit, but it's still a good idea.
+_NEXT_PATHS = (
+    r"/src/third_party/kernel-next",
+    r"/src/third_party/u-boot-next",
+)
+
+_LICENSE_HEADER = (
+     r".*? Copyright \(c\) 20[-0-9]{2,7} The Chromium OS Authors\. All rights "
+       r"reserved\." "\n"
+     r".*? Use of this source code is governed by a BSD-style license that can "
+       "be\n"
+     r".*? found in the LICENSE file\."
+       "\n"
+)
+
+
+def CheckAndShowLicense(input_api, output_api, source_file_filter=None):
+  """Check that the source files have a valid License header.
+
+  The license header must matches our template.  If not also show the
+  header that should have been used.
+
+  """
+  results = []
+  license_check = input_api.canned_checks.CheckLicense(
+    input_api, output_api, _LICENSE_HEADER, source_file_filter)
+  results.extend(license_check)
+  if license_check:
+    results.extend([output_api.PresubmitNotifyResult(
+      "License header should match the following:",
+      long_text=_LICENSE_HEADER)])
+  return results
+
+
+def CheckChangeHasMandatoryBugField(input_api,
+                                    output_api,
+                                    source_file_filter=None):
+  """Check that the commit contains a valid BUG= field."""
+  msg = ('Changelist must reference a bug number using BUG=\n'
+         'For example, BUG=chromium-os:8205\n'
+         'BUG=none is not allowed.')
+
+  if (not input_api.AffectedSourceFiles(source_file_filter) or
+      (input_api.change.BUG and re.search(r"\d", input_api.change.BUG))):
+    return []
+  else:
+    return [output_api.PresubmitError(msg)]
+
+
+def CheckChangeHasBugField(input_api, output_api, source_file_filter=None):
+  # This function is required because the canned BugField check doesn't
+  # take a source filter.
+  return input_api.canned_checks.CheckChangeHasBugField(input_api,
+                                                        output_api)
+
+
+def CheckChangeHasTestField(input_api, output_api, source_file_filter=None):
+  # This function is required because the canned TestField check doesn't
+  # take a source filter.
+  return input_api.canned_checks.CheckChangeHasTestField(input_api,
+                                                         output_api)
+
+
+def CheckTreeIsOpen(input_api, output_api, source_file_filter=None):
+  """Make sure the tree is 'open'.  If not, don't submit."""
+  return input_api.canned_checks.CheckTreeIsOpen(
+      input_api,
+      output_api,
+      'http://chromiumos-status.appspot.com/current?format=raw',
+      '.*closed.*')
+
+
+def CheckBuildbotPendingBuilds(input_api, output_api, source_file_filter=None):
+  """Check to see if there's a backlog on the pending CL queue"""
+  return input_api.canned_checks.CheckBuildbotPendingBuilds(
+      input_api,
+      output_api,
+      'http://build.chromium.org/buildbot/chromiumos/json/builders?filter=1',
+      6,
+      [])
+
+
+def FilterAbsoluteSourceFile(input_api, affected_file, white_list, black_list):
+  """Filters out files that aren't considered "source file".
+
+  The lists will be compiled as regular expression and
+  AffectedFile.AbsoluteLocalPath() needs to pass both list.
+
+  Note: This function was coppied from presubmit_support.py and modified to
+  check against (AbsoluteLocalPath - PresubmitLocalPath) instead of LocalPath
+  because LocalPath doesn't contain enough information to disambiguate kernel,
+  u-boot and -next files from the rest of ChromiumOS.
+
+  """
+  presubmit_local_path = input_api.PresubmitLocalPath()
+
+  def RelativePath(affected_file):
+    absolute_local_path = affected_file.AbsoluteLocalPath()
+
+    assert absolute_local_path.startswith(presubmit_local_path)
+    return absolute_local_path[len(presubmit_local_path):]
+
+  def Find(relative_path, items):
+    for item in items:
+      if re.match(item, relative_path):
+        return True
+
+    return False
+
+  relative_path = RelativePath(affected_file)
+
+  return (Find(relative_path, white_list) and
+          not Find(relative_path, black_list))
+
+def RunChecklist(input_api, output_api, checklist):
+  """Run through a set of checks provided in a checklist.
+
+  The checklist is a list of tuples, each of which contains the check to run
+  and a list of regular expressions of paths to ignore for this check
+
+  """
+  results = []
+
+  for check, paths in checklist:
+    white_list = input_api.DEFAULT_WHITE_LIST
+
+    # Construct a black list from the DEFAULT_BLACK_LIST supplied by
+    # depot_tools and the paths that this check should not be applied to.
+    #
+    # We also remove the third_party rule here because our paterns are
+    # matching against the entire path from the root of the ChromiumOS
+    # project.  We use the rooted paths because we want to be able to apply
+    # some of the presubmit checks to things like the kernel and u-boot that
+    # live in the third_party directory.
+    black_list = list(input_api.DEFAULT_BLACK_LIST)
+    black_list.remove(r".*\bthird_party[\\\/].*")
+    black_list.extend(paths)
+    sources = lambda path: FilterAbsoluteSourceFile(input_api,
+                                                    path,
+                                                    white_list,
+                                                    black_list)
+    results.extend(check(input_api, output_api, source_file_filter=sources))
+
+  return results
+
+
+def MakeCommonChecklist(input_api):
+  return [(input_api.canned_checks.CheckLongLines, _EXCLUDED_PATHS),
+          (input_api.canned_checks.CheckChangeHasNoStrayWhitespace,
+           _EXCLUDED_PATHS),
+          (CheckChangeHasTestField, _EXCLUDED_PATHS),
+          (CheckAndShowLicense, _EXCLUDED_PATHS),
+          (input_api.canned_checks.CheckChangeHasNoTabs,
+           _EXCLUDED_PATHS + _TAB_OK_PATHS)]
+
+
+def MakeUploadChecklist(input_api):
+  return [(CheckChangeHasBugField, _EXCLUDED_PATHS)]
+
+
+def MakeCommitChecklist(input_api):
+  return [(CheckChangeHasMandatoryBugField, _EXCLUDED_PATHS + _NEXT_PATHS),
+          (CheckTreeIsOpen, _EXCLUDED_PATHS),
+          (CheckBuildbotPendingBuilds, _EXCLUDED_PATHS)]
+
+
+def CheckChangeOnUpload(input_api, output_api):
+  """On upload we check against the common and upload lists."""
+  return RunChecklist(input_api,
+                      output_api,
+                      MakeCommonChecklist(input_api) +
+                      MakeUploadChecklist(input_api))
+
+
+def CheckChangeOnCommit(input_api, output_api):
+  """On commit we check against the common and commit lists."""
+  return RunChecklist(input_api,
+                      output_api,
+                      MakeCommonChecklist(input_api) +
+                      MakeCommitChecklist(input_api))
+
+
+def GetPreferredTrySlaves():
+  return ['ChromiumOS x86']