[Findit] Fix blame for GIT and uptake bug fix.

NOTRY=true

Review URL: https://codereview.chromium.org/510163002

Cr-Commit-Position: refs/heads/master@{#292319}

tools/findit/blame.py

@@ -124,6 +124,9 @@ class BlameList(object):
     file_path = stack_frame.file_path
     crashed_line_number = stack_frame.crashed_line_range[0]
 
+    if file_path.startswith(component_path):
+      file_path = file_path[len(component_path):]
+
     # Parse blame information.
     parsed_blame_info = repository_parser.ParseBlameInfo(
         component_path, file_path, crashed_line_number, crash_revision)

tools/findit/chromium_deps.py

@@ -5,6 +5,7 @@
 import base64
 import json
 import os
+import re
 import time
 import urllib2
 
@@ -14,6 +15,7 @@ from common import utils
 _THIS_DIR = os.path.abspath(os.path.dirname(__file__))
 CONFIG = json.loads(open(os.path.join(_THIS_DIR,
                                       'deps_config.json'), 'r').read())
+OLD_GIT_URL_PATTERN = re.compile(r'https?://git.chromium.org/(.*)')
 
 
 class _VarImpl(object):
@@ -147,6 +149,9 @@ def GetChromiumComponents(chromium_revision,
 
     name = _GetComponentName(component_path, host_dirs)
     repository, revision = component_repo_url.split('@')
+    match = OLD_GIT_URL_PATTERN.match(repository)
+    if match:
+      repository = 'https://chromium.googlesource.com/%s' % match.group(1)
     is_git_hash = utils.IsGitHash(revision)
     if is_git_hash:
       repository_type = 'git'

tools/findit/crash_utils.py

@@ -231,7 +231,7 @@ def GetDataFromURL(url, retries=10, sleep_time=0.1, timeout=5):
     # Retrieves data from URL.
     try:
       status_code, data = utils.GetHttpClient().Get(url, timeout=timeout)
-    except IOError:
+    except IOError as e:
       status_code = -1
       data = None
 
@@ -370,7 +370,7 @@ def PrettifyFrameInfo(frame_indices, functions):
   """Return a string to represent the frames with functions."""
   frames = []
   for frame_index, function in zip(frame_indices, functions):
-    frames.append('frame #%s, function "%s"' % (frame_index, function))
+    frames.append('frame #%s, "%s"' % (frame_index, function.split('(')[0]))
   return '; '.join(frames)
 
 

tools/findit/findit_for_crash.py

@@ -477,8 +477,8 @@ def GenerateReasonForMatches(matches):
         pretty_file_names = crash_utils.PrettifyList(file_names)
 
         # Add the reason, break because we took care of the rest of the files.
-        file_string += '(%s)' % crash_utils.PrettifyFrameInfo(
-            stack_frame_indices, function_list)
+        file_string += ('(and is part of stack %s)' %
+            crash_utils.PrettifyFrameInfo(stack_frame_indices, function_list))
         reason.append(file_string % pretty_file_names)
         break
 
@@ -522,8 +522,8 @@ def CombineMatches(matches):
     if match.min_distance_info:
       file_name, min_crashed_line, min_changed_line = match.min_distance_info
       match.reason += \
-          ('Minimum distance from crashed line to changed line: %d. '
-           '(File: %s, Crashed on: %d, Changed: %d).\n' %
+          ('\nMinimum distance from crash line to modified line: %d. '
+           '(file: %s, crashed on: %d, modified: %d).\n' %
            (match.min_distance, file_name, min_crashed_line, min_changed_line))
 
   return combined_matches
@@ -668,8 +668,8 @@ def FindItForCrash(stacktrace_list,
 
   if result:
     return_message = (
-        'No CL in the regression changes the crashed files. The result is '
-        'the blame information.')
+        'No CL in the regression range changes the crashed files. '
+        'The result is the blame information.')
 
   # When findit could not find any CL that changes file in stacktrace or if
   # if cannot get any blame information, return a message saying that no

tools/findit/stacktrace.py

@@ -294,6 +294,13 @@ class Stacktrace(object):
 
     # Return a new stack frame object with the parsed information.
     file_name = file_path.split('/')[-1]
+
+    # If we have the common stack frame index pattern, then use it
+    # since it is more reliable.
+    index_match = re.match('\s*#(\d+)\s.*', line)
+    if index_match:
+      stack_frame_index = int(index_match.group(1))
+
     return StackFrame(stack_frame_index, component_path, component_name,
                       file_name, function, file_path, crashed_line_range)