revset: use parentsets.min in _children
As stated in the comment, using the smartset 'min' will give more opportunity to
be smart. It give a small but significant boost to the performance. Most of the
time is still spend doing the actual computation but at least we can scrap some
performance when it makes sense.
revset #0: roots(0:tip)
plain
0) 0.046600
1) 0.044109 94%
# debugshell extension
"""a python shell with repo, changelog & manifest objects"""
import sys
import mercurial
import code
from mercurial import cmdutil
cmdtable = {}
command = cmdutil.command(cmdtable)
def pdb(ui, repo, msg, **opts):
objects = {
'mercurial': mercurial,
'repo': repo,
'cl': repo.changelog,
'mf': repo.manifest,
}
code.interact(msg, local=objects)
def ipdb(ui, repo, msg, **opts):
import IPython
cl = repo.changelog
mf = repo.manifest
cl, mf # use variables to appease pyflakes
IPython.embed()
@command('debugshell|dbsh', [])
def debugshell(ui, repo, **opts):
bannermsg = "loaded repo : %s\n" \
"using source: %s" % (repo.root,
mercurial.__path__[0])
pdbmap = {
'pdb' : 'code',
'ipdb' : 'IPython'
}
debugger = ui.config("ui", "debugger")
if not debugger:
debugger = 'pdb'
# if IPython doesn't exist, fallback to code.interact
try:
__import__(pdbmap[debugger])
except ImportError:
ui.warn("%s debugger specified but %s module was not found\n"
% (debugger, pdbmap[debugger]))
debugger = 'pdb'
getattr(sys.modules[__name__], debugger)(ui, repo, bannermsg, **opts)