view mercurial/changelog.py @ 2044:b343e7d454b4

Don't allow --style and --template for hg update and hg merge.

The only way that changesets will be shown with these command is in an error
message when trying to update to an ambiguous branch name.

# changelog.py - changelog class for mercurial
#
# Copyright 2005 Matt Mackall <[e-mail]>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.

from revlog import *
from i18n import gettext as _
from demandload import demandload
demandload(globals(), "os time util")

class changelog(revlog):
    def __init__(self, opener):
        revlog.__init__(self, opener, "00changelog.i", "00changelog.d")

    def extract(self, text):
        if not text:
            return (nullid, "", (0, 0), [], "")
        last = text.index("\n\n")
        desc = text[last + 2:]
        l = text[:last].splitlines()
        manifest = bin(l[0])
        user = l[1]
        date = l[2].split(' ')
        time = float(date.pop(0))
        try:
            # various tools did silly things with the time zone field.
            timezone = int(date[0])
        except:
            timezone = 0
        files = l[3:]
        return (manifest, user, (time, timezone), files, desc)

    def read(self, node):
        return self.extract(self.revision(node))

    def add(self, manifest, list, desc, transaction, p1=None, p2=None,
                  user=None, date=None):
        if date:
            # validate explicit (probably user-specified) date and
            # time zone offset. values must fit in signed 32 bits for
            # current 32-bit linux runtimes.
            try:
                when, offset = map(int, date.split(' '))
            except ValueError:
                raise ValueError(_('invalid date: %r') % date)
            if abs(when) > 0x7fffffff:
                raise ValueError(_('date exceeds 32 bits: %d') % when)
            if abs(offset) >= 43200:
                raise ValueError(_('impossible time zone offset: %d') % offset)
        else:
            date = "%d %d" % util.makedate()
        list.sort()
        l = [hex(manifest), user, date] + list + ["", desc]
        text = "\n".join(l)
        return self.addrevision(text, transaction, self.count(), p1, p2)