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If we're running in nohooks mode, don't bother to accumulate file_list in gclient.

Browse Source 
This enables significant time savings, especially since file_list only exists to
enable file-specific hooks (which, AFAIK, nothing actually uses). On a z620
(linux) using the cached git repos, a first-time `gclient sync --nohooks` takes:
  * (with)    131.06s user 14.10s  system 117% cpu 2:03.89 total
  * (without) 482.13s user 189.35s system 144% cpu 7:45.63 total

This change makes nohooks cause file_list to be None if we don't need to
accumulate it, and updates GitWrapper and SvnWrapper appropriately.

R=szager@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/18541006

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@210026 0039d316-1c4b-4281-b951-d872f2087c98
experimental/szager/collated-output
iannucci@chromium.org 13 years ago
parent 53456aa2a9
commit 396e1a6d9e
3 changed files with 45 additions and 34 deletions
Show Stats Download Patch File Download Diff File

7
gclient.py
Unescape Escape View File

@ -591,7 +591,7 @@ class Dependency(gclient_utils.WorkItem, DependencySettings):
# copy state, so skip the SCM status check.
run_scm = command not in ('runhooks', 'recurse', None)
parsed_url = self.LateOverride(self.url)
file_list = []
file_list = [] if not options.nohooks else None
if run_scm and parsed_url:
if isinstance(parsed_url, self.FileImpl):
# Special support for single-file checkout.
@ -612,11 +612,12 @@ class Dependency(gclient_utils.WorkItem, DependencySettings):
self._used_scm = gclient_scm.CreateSCM(
parsed_url, self.root.root_dir, self.name)
self._used_scm.RunCommand(command, options, args, file_list)
if file_list:
file_list = [os.path.join(self.name, f.strip()) for f in file_list]
# TODO(phajdan.jr): We should know exactly when the paths are absolute.
# Convert all absolute paths to relative.
for i in range(len(file_list)):
for i in range(len(file_list or [])):
# It depends on the command being executed (like runhooks vs sync).
if not os.path.isabs(file_list[i]):
continue
@ -630,7 +631,7 @@ class Dependency(gclient_utils.WorkItem, DependencySettings):
# Always parse the DEPS file.
self.ParseDepsFile()
self._run_is_done(file_list, parsed_url)
self._run_is_done(file_list or [], parsed_url)
if self.recursion_limit:
# Parse the dependencies of this dependency.

43
gclient_scm.py
Unescape Escape View File

@ -137,10 +137,6 @@ class SCMWrapper(object):
self.checkout_path = os.path.join(self._root_dir, self.relpath)
def RunCommand(self, command, options, args, file_list=None):
# file_list will have all files that are modified appended to it.
if file_list is None:
file_list = []
commands = ['cleanup', 'update', 'updatesingle', 'revert',
'revinfo', 'status', 'diff', 'pack', 'runhooks']
@ -220,7 +216,7 @@ class GitWrapper(SCMWrapper):
def GetCheckoutRoot(self):
return scm.GIT.GetCheckoutRoot(self.checkout_path)
def GetRevisionDate(self, revision):
def GetRevisionDate(self, _revision):
"""Returns the given revision's date in ISO-8601 format (which contains the
time zone)."""
# TODO(floitsch): get the time-stamp of the given revision and not just the
@ -234,11 +230,11 @@ class GitWrapper(SCMWrapper):
There's no real git equivalent for the svn cleanup command, do a no-op.
"""
def diff(self, options, args, file_list):
def diff(self, options, _args, _file_list):
merge_base = self._Capture(['merge-base', 'HEAD', 'origin'])
self._Run(['diff', merge_base], options)
def pack(self, options, args, file_list):
def pack(self, _options, _args, _file_list):
"""Generates a patch file which can be applied to the root of the
repository.
@ -293,6 +289,7 @@ class GitWrapper(SCMWrapper):
self._Run(fetch_cmd + quiet, options)
self._Run(['reset', '--hard', revision] + quiet, options)
self.UpdateSubmoduleConfig()
if file_list is not None:
files = self._Capture(['ls-files']).splitlines()
file_list.extend([os.path.join(self.checkout_path, f) for f in files])
@ -332,7 +329,7 @@ class GitWrapper(SCMWrapper):
revision = default_rev
rev_str = ' at %s' % revision
files = []
files = [] if file_list is not None else None
printed_path = False
verbose = []
@ -359,6 +356,7 @@ class GitWrapper(SCMWrapper):
gclient_utils.safe_makedirs(os.path.dirname(self.checkout_path))
self._Clone(revision, url, options)
self.UpdateSubmoduleConfig()
if file_list is not None:
files = self._Capture(['ls-files']).splitlines()
file_list.extend([os.path.join(self.checkout_path, f) for f in files])
if not verbose:
@ -510,6 +508,7 @@ class GitWrapper(SCMWrapper):
raise gclient_utils.Error(switch_error)
else:
# case 3 - the default case
if files is not None:
files = self._Capture(['diff', upstream_branch, '--name-only']).split()
if verbose:
print('Trying fast-forward merge to branch : %s' % upstream_branch)
@ -572,6 +571,7 @@ class GitWrapper(SCMWrapper):
print('')
self.UpdateSubmoduleConfig()
if file_list is not None:
file_list.extend([os.path.join(self.checkout_path, f) for f in files])
# If the rebase generated a conflict, abort and ask user to fix
@ -601,7 +601,7 @@ class GitWrapper(SCMWrapper):
gclient_utils.rmtree(full_path)
def revert(self, options, args, file_list):
def revert(self, options, _args, file_list):
"""Reverts local modifications.
All reverted files will be appended to file_list.
@ -624,19 +624,23 @@ class GitWrapper(SCMWrapper):
if deps_revision.startswith('refs/heads/'):
deps_revision = deps_revision.replace('refs/heads/', 'origin/')
if file_list is not None:
files = self._Capture(['diff', deps_revision, '--name-only']).split()
self._Run(['reset', '--hard', deps_revision], options)
self._Run(['clean', '-f', '-d'], options)
if file_list is not None:
file_list.extend([os.path.join(self.checkout_path, f) for f in files])
def revinfo(self, options, args, file_list):
def revinfo(self, _options, _args, _file_list):
"""Returns revision"""
return self._Capture(['rev-parse', 'HEAD'])
def runhooks(self, options, args, file_list):
self.status(options, args, file_list)
def status(self, options, args, file_list):
def status(self, options, _args, file_list):
"""Display status information."""
if not os.path.isdir(self.checkout_path):
print(('\n________ couldn\'t run status in %s:\n'
@ -644,6 +648,7 @@ class GitWrapper(SCMWrapper):
else:
merge_base = self._Capture(['merge-base', 'HEAD', 'origin'])
self._Run(['diff', '--name-status', merge_base], options)
if file_list is not None:
files = self._Capture(['diff', '--name-only', merge_base]).split()
file_list.extend([os.path.join(self.checkout_path, f) for f in files])
@ -830,6 +835,7 @@ class GitWrapper(SCMWrapper):
def _AttemptRebase(self, upstream, files, options, newbase=None,
branch=None, printed_path=False):
"""Attempt to rebase onto either upstream or, if specified, newbase."""
if files is not None:
files.extend(self._Capture(['diff', upstream, '--name-only']).split())
revision = upstream
if newbase:
@ -955,7 +961,7 @@ class GitWrapper(SCMWrapper):
'\tPlease commit, stash, or reset.\n'
% (self.relpath, rev_str))
def _CheckDetachedHead(self, rev_str, options):
def _CheckDetachedHead(self, rev_str, _options):
# HEAD is detached. Make sure it is safe to move away from (i.e., it is
# reference by a commit). If not, error out -- most likely a rebase is
# in progress, try to detect so we can give a better error.
@ -1057,18 +1063,18 @@ class SVNWrapper(SCMWrapper):
os.path.join(self.checkout_path, '.'))
return date.strip()
def cleanup(self, options, args, file_list):
def cleanup(self, options, args, _file_list):
"""Cleanup working copy."""
self._Run(['cleanup'] + args, options)
def diff(self, options, args, file_list):
def diff(self, options, args, _file_list):
# NOTE: This function does not currently modify file_list.
if not os.path.isdir(self.checkout_path):
raise gclient_utils.Error('Directory %s is not present.' %
self.checkout_path)
self._Run(['diff'] + args, options)
def pack(self, options, args, file_list):
def pack(self, _options, args, _file_list):
"""Generates a patch file which can be applied to the root of the
repository."""
if not os.path.isdir(self.checkout_path):
@ -1286,7 +1292,7 @@ class SVNWrapper(SCMWrapper):
options.revision)
self._Run(command, options, cwd=self._root_dir)
def revert(self, options, args, file_list):
def revert(self, options, _args, file_list):
"""Reverts local modifications. Subversion specific.
All reverted files will be appended to file_list, even if Subversion
@ -1318,6 +1324,7 @@ class SVNWrapper(SCMWrapper):
return self.update(options, [], file_list)
def printcb(file_status):
if file_list is not None:
file_list.append(file_status[1])
if logging.getLogger().isEnabledFor(logging.INFO):
logging.info('%s%s' % (file_status[0], file_status[1]))
@ -1340,7 +1347,7 @@ class SVNWrapper(SCMWrapper):
# Maybe the directory disapeared meanwhile. Do not throw an exception.
logging.error('Failed to update:\n%s' % str(e))
def revinfo(self, options, args, file_list):
def revinfo(self, _options, _args, _file_list):
"""Display revision"""
try:
return scm.SVN.CaptureRevision(self.checkout_path)
@ -1362,7 +1369,7 @@ class SVNWrapper(SCMWrapper):
else:
self._RunAndGetFileList(command, options, file_list)
def GetUsableRev(self, rev, options):
def GetUsableRev(self, rev, _options):
"""Verifies the validity of the revision for this repository."""
if not scm.SVN.IsValidRevision(url='%s@%s' % (self.url, rev)):
raise gclient_utils.Error(

3
scm.py
Unescape Escape View File

@ -512,6 +512,9 @@ class SVN(object):
Error: An error occurred while running the svn command.
"""
stdout = stdout or sys.stdout
if file_list is None:
# Even if our caller doesn't care about file_list, we use it internally.
file_list = []
# svn update and svn checkout use the same pattern: the first three columns
# are for file status, property status, and lock status. This is followed

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