Add log -b to show the branch a specific revision lives in This can be somewhat slow on very large repositories, so I didn't want to include it in -v --- hg.orig/mercurial/commands.py 2005-09-13 14:21:57.000000000 -0500 +++ hg/mercurial/commands.py 2005-09-13 18:55:52.000000000 -0500 @@ -1161,7 +1161,10 @@ def log(ui, repo, *pats, **opts): du = dui(ui) elif st == 'add': du.bump(rev) - show_changeset(du, repo, rev) + br = None + if opts['branch']: + br = repo.branchlookup([repo.changelog.node(rev)]) + show_changeset(du, repo, rev, brinfo=br) if opts['patch']: changenode = repo.changelog.node(rev) prev, other = repo.changelog.parents(changenode) @@ -1743,6 +1746,7 @@ table = { (log, [('I', 'include', [], 'include path in search'), ('X', 'exclude', [], 'exclude path from search'), + ('b', 'branch', None, 'show branches'), ('r', 'rev', [], 'revision'), ('p', 'patch', None, 'show patch')], 'hg log [-I] [-X] [-r REV]... [-p] [FILE]'),

# lock.py - simple locking scheme 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, time
import util

class LockHeld(Exception):
    pass

class lock:
    def __init__(self, file, wait=1):
        self.f = file
        self.held = 0
        self.wait = wait
        self.lock()

    def __del__(self):
        self.release()

    def lock(self):
        while 1:
            try:
                self.trylock()
                return 1
            except LockHeld, inst:
                if self.wait:
                    time.sleep(1)
                    continue
                raise inst

    def trylock(self):
        pid = os.getpid()
        try:
            util.makelock(str(pid), self.f)
            self.held = 1
        except (OSError, IOError):
            raise LockHeld(util.readlock(self.f))

    def release(self):
        if self.held:
            self.held = 0
            try:
                os.unlink(self.f)
            except: pass