util: copyfile: remove dest before copying
This prevents spurious problems writing to locked files on Windows.
# debugshell extension
"""a python shell with repo, changelog & manifest objects"""
import mercurial
import code
def debugshell(ui, repo, **opts):
objects = {
'mercurial': mercurial,
'repo': repo,
'cl': repo.changelog,
'mf': repo.manifest,
}
bannermsg = "loaded repo : %s\n" \
"using source: %s" % (repo.root,
mercurial.__path__[0])
code.interact(bannermsg, local=objects)
cmdtable = {
"debugshell|dbsh": (debugshell, [])
}