transaction: use a ".bck" extension for all backup file
There are too much code in Mercurial that assume file function from extension.
Keeping the original extension when doing backup is just creating confusion
(for exemple, backup of revlog's confused with new version revlogs).
So we change the backup name from now on to be explicilty backup file and
prevent this kind of problem.
(note that repository using fncache is less affected (but still affected) by
this kind of problem as the backup are not listed in the fncache).
#!/usr/bin/env python3
#
# An example hgweb CGI script, edit as necessary
# See also https://mercurial-scm.org/wiki/PublishingRepositories
# Path to repo or hgweb config to serve (see 'hg help hgweb')
config = b"/path/to/repo/or/config"
# Uncomment and adjust if Mercurial is not installed system-wide
# (consult "installed modules" path from 'hg debuginstall'):
# import sys; sys.path.insert(0, "/path/to/python/lib")
# Uncomment to send python tracebacks to the browser if an error occurs:
# import cgitb; cgitb.enable()
from mercurial import demandimport
demandimport.enable()
from mercurial.hgweb import hgweb, wsgicgi
application = hgweb(config)
wsgicgi.launch(application)