[PATCH] Parse and use header data from an hg export'ed changeset
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[PATCH] Parse and use header data from an hg export'ed changeset
From: Andrew Thompson <andrewkt@aktzero.com>
This should make it easier to import changesets that are hg export'ed
from other Mercurial users:
Add a routine to catch the user from an hg export'ed changeset.
Add user to commit call.
Add trap for changelog snippet, which is promoted to the beginning of
the commit text.
manifest hash: cf5b068f4cec411ff8b9fa3db324ab44ed012778
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# util.py - utility functions and platform specfic implementations
#
# Copyright 2005 K. Thananchayan <thananck@yahoo.com>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
import os
def unique(g):
seen = {}
for f in g:
if f not in seen:
seen[f] = 1
yield f
class CommandError(Exception): pass
def explain_exit(code):
"""return a 2-tuple (desc, code) describing a process's status"""
if os.WIFEXITED(code):
val = os.WEXITSTATUS(code)
return "exited with status %d" % val, val
elif os.WIFSIGNALED(code):
val = os.WTERMSIG(code)
return "killed by signal %d" % val, val
elif os.WIFSTOPPED(code):
val = os.STOPSIG(code)
return "stopped by signal %d" % val, val
raise ValueError("invalid exit code")
def system(cmd, errprefix=None):
"""execute a shell command that must succeed"""
rc = os.system(cmd)
if rc:
errmsg = "%s %s" % (os.path.basename(cmd.split(None, 1)[0]),
explain_exit(rc)[0])
if errprefix:
errmsg = "%s: %s" % (errprefix, errmsg)
raise CommandError(errmsg)
def rename(src, dst):
try:
os.rename(src, dst)
except:
os.unlink(dst)
os.rename(src, dst)
# Platfor specific varients
if os.name == 'nt':
nulldev = 'NUL:'
def is_exec(f, last):
return last
def set_exec(f, mode):
pass
def pconvert(path):
return path.replace("\\", "/")
def makelock(info, pathname):
ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL)
os.write(ld, info)
os.close(ld)
def readlock(pathname):
return file(pathname).read()
else:
nulldev = '/dev/null'
def is_exec(f, last):
return (os.stat(f).st_mode & 0100 != 0)
def set_exec(f, mode):
s = os.stat(f).st_mode
if (s & 0100 != 0) == mode:
return
if mode:
# Turn on +x for every +r bit when making a file executable
# and obey umask.
umask = os.umask(0)
os.umask(umask)
os.chmod(f, s | (s & 0444) >> 2 & ~umask)
else:
os.chmod(f, s & 0666)
def pconvert(path):
return path
def makelock(info, pathname):
os.symlink(info, pathname)
def readlock(pathname):
return os.readlink(pathname)