mirror of
https://github.com/facebook/sapling.git
synced 2024-10-10 08:47:12 +03:00
864de92728
Summary: This facilitates moving automv out of this repository to Mercurial proper. Use extensions.afterloaded() to avoid relying on module load order. Test Plan: Run the test suite with ../../hg/tests/run-tests.py Reviewers: rmcelroy, durham Differential Revision: https://phabricator.fb.com/D2896456
79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
# automv.py
|
|
#
|
|
# Copyright 2013 Facebook, Inc.
|
|
#
|
|
# This software may be used and distributed according to the terms of the
|
|
# GNU General Public License version 2 or any later version.
|
|
"""
|
|
This extension checks at commit/amend time if any of the committed files
|
|
comes from an unrecorded mv
|
|
"""
|
|
|
|
from mercurial import cmdutil, scmutil
|
|
from mercurial import similar, util, commands, copies
|
|
from mercurial.extensions import wrapcommand
|
|
from mercurial import extensions
|
|
from mercurial.i18n import _
|
|
|
|
def extsetup(ui):
|
|
entry = wrapcommand(commands.table, 'commit', mvcheck)
|
|
entry[1].append(('', 'no-move-detection', None,
|
|
_('disable automatic' + 'file move detection')))
|
|
|
|
def mvcheck(orig, ui, repo, *pats, **opts):
|
|
if not opts.get('no_move_detection'):
|
|
threshold = float(ui.config('automv', 'similaritythres', '0.75'))
|
|
if threshold > 0:
|
|
match = scmutil.match(repo[None], pats, opts)
|
|
added, removed = _interestingfiles(repo, match)
|
|
renames = _findrenames(repo, match, added, removed, threshold)
|
|
_markchanges(repo, renames)
|
|
if 'no_move_detection' in opts:
|
|
del opts['no_move_detection']
|
|
|
|
if ui.configbool('automv', 'testmode'):
|
|
return
|
|
else:
|
|
return orig(ui, repo, *pats, **opts)
|
|
|
|
def _interestingfiles(repo, matcher):
|
|
stat = repo.status(repo['.'], repo[None], matcher)
|
|
added = stat[1]
|
|
removed = stat[2]
|
|
|
|
copy = copies._forwardcopies(repo['.'], repo[None], matcher)
|
|
# remove the copy files for which we already have copy info
|
|
added = [f for f in added if f not in copy]
|
|
|
|
return added, removed
|
|
|
|
def _findrenames(repo, matcher, added, removed, similarity):
|
|
"""Find renames from removed files of the current commit/amend files
|
|
to the added ones"""
|
|
renames = {}
|
|
if similarity > 0:
|
|
for src, dst, score in similar.findrenames(repo, added, removed,
|
|
similarity):
|
|
if repo.ui.verbose:
|
|
repo.ui.status(_('detected move of %s as %s (%d%% similar)\n')
|
|
% (matcher.rel(src), matcher.rel(dst), score * 100))
|
|
renames[dst] = src
|
|
n = len(renames)
|
|
if n == 1:
|
|
repo.ui.status(_('detected move of 1 file\n'))
|
|
elif n > 1:
|
|
repo.ui.status(_('detected move of %d files\n') % len(renames))
|
|
return renames
|
|
|
|
def _markchanges(repo, renames):
|
|
"""Marks the files in renames as copied."""
|
|
wctx = repo[None]
|
|
wlock = repo.wlock()
|
|
try:
|
|
for dst, src in renames.iteritems():
|
|
wctx.copy(src, dst)
|
|
finally:
|
|
wlock.release()
|
|
|
|
|