Fix empty repository transaction bug
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Fix empty repository transaction bug
manifest hash: df334795ea545f2401d08f734b8b6933af053d7b
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# ui.py - user interface bits for mercurial
#
# Copyright 2005 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
import os, sys, re
class ui:
def __init__(self, verbose=False, debug=False, quiet=False,
interactive=True):
self.quiet = quiet and not verbose and not debug
self.verbose = verbose or debug
self.debugflag = debug
self.interactive = interactive
def write(self, *args):
for a in args:
sys.stdout.write(str(a))
def readline(self):
return sys.stdin.readline()[:-1]
def prompt(self, msg, pat, default = "y"):
if not self.interactive: return default
while 1:
self.write(msg, " ")
r = self.readline()
if re.match(pat, r):
return r
else:
self.write("unrecognized response\n")
def status(self, *msg):
if not self.quiet: self.write(*msg)
def warn(self, *msg):
self.write(*msg)
def note(self, *msg):
if self.verbose: self.write(*msg)
def debug(self, *msg):
if self.debugflag: self.write(*msg)
def edit(self, text):
import tempfile
(fd, name) = tempfile.mkstemp("hg")
f = os.fdopen(fd, "w")
f.write(text)
f.close()
editor = os.environ.get("HGEDITOR") or os.environ.get("EDITOR", "vi")
r = os.system("%s %s" % (editor, name))
if r:
raise "Edit failed!"
t = open(name).read()
t = re.sub("(?m)^HG:.*\n", "", t)
return t