py3: fix for Python 3.12 emitting SyntaxWarning on invalid escape sequences
Mercurial became very noisy after https://github.com/python/cpython/commit/
a60ddd31be7ff96a8189e7483bf1eb2071d2bddf ,
for example:
$ python3.12 mercurial/store.py
mercurial/store.py:406: SyntaxWarning: invalid escape sequence '\.'
EXCLUDED = re.compile(b'.*undo\.[^/]+\.(nd?|i)$')
This verbosity made some tests fail.
The problems were mostly insufficiently escaped regexps, relying on the Python
parser/scanner preserving invalid escape sequences.
# scmutil.py - Mercurial core utility functions
#
# Copyright Olivia Mackall <olivia@selenic.com> and other
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
from . import repoview
def cachetocopy(srcrepo):
"""return the list of cache file valuable to copy during a clone"""
# In local clones we're copying all nodes, not just served
# ones. Therefore copy all branch caches over.
cachefiles = [b'branch2']
cachefiles += [b'branch2-%s' % f for f in repoview.filtertable]
cachefiles += [b'rbc-names-v1', b'rbc-revs-v1']
cachefiles += [b'tags2']
cachefiles += [b'tags2-%s' % f for f in repoview.filtertable]
cachefiles += [b'hgtagsfnodes1']
return cachefiles