Mercurial > hg
view hgext/parentrevspec.py @ 5827:0c29977bd7db
record: refactor record into generic record driver
rationale
---------
I'd like to make MQ version of record -- qrecord.
>From the first glance it seemed to be easy -- the task in essence would be to
change call to cmdutil.commit() to something like mq.qrefresh().
As it turned out queue.refresh() and cmdutil.commit() have different semantics
-- cmdutil.commit() first scans for changes and then delegate the actual commit
to lowlevel func. On the other hand queue.refresh() do it all in once, and I am
a bit scary to change it.
Maybe the right way would be to first refactor queue.refresh() to use
cmdutil.commit() machinery, and then trivially adjust record, but I feel I'm
not competent for the task right now.
Instead, I propose we refactor record to be some sort of high-level driver, or
like a high-level decorator one can say, which will first interactively filter
changes, and then delegate commit job to high-level commiter, e.g. 'commit' or
'qrefresh'
So, this patch does just that -- refactor record to be generic driver, and
update 'hg record' code to use the driver.
'hg qrecord' will follow.
author | Kirill Smelkov <kirr@mns.spb.ru> |
---|---|
date | Thu, 10 Jan 2008 12:07:13 +0300 |
parents | b111e9a907b1 |
children | 1d54e2f6c0b7 |
line wrap: on
line source
# Mercurial extension to make it easy to refer to the parent of a revision # # Copyright (C) 2007 Alexis S. L. Carvalho <alexis@cecm.usp.br> # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. '''\ use suffixes to refer to ancestor revisions This extension allows you to use git-style suffixes to refer to the ancestors of a specific revision. For example, if you can refer to a revision as "foo", then: - foo^N = Nth parent of foo: foo^0 = foo foo^1 = first parent of foo foo^2 = second parent of foo foo^ = foo^1 - foo~N = Nth first grandparent of foo foo~0 = foo foo~1 = foo^1 = foo^ = first parent of foo foo~2 = foo^1^1 = foo^^ = first parent of first parent of foo ''' import mercurial.repo def reposetup(ui, repo): if not repo.local(): return class parentrevspecrepo(repo.__class__): def lookup(self, key): try: _super = super(parentrevspecrepo, self) return _super.lookup(key) except mercurial.repo.RepoError: pass circ = key.find('^') tilde = key.find('~') if circ < 0 and tilde < 0: raise elif circ >= 0 and tilde >= 0: end = min(circ, tilde) else: end = max(circ, tilde) cl = self.changelog base = key[:end] try: node = _super.lookup(base) except mercurial.repo.RepoError: # eek - reraise the first error return _super.lookup(key) rev = cl.rev(node) suffix = key[end:] i = 0 while i < len(suffix): # foo^N => Nth parent of foo # foo^0 == foo # foo^1 == foo^ == 1st parent of foo # foo^2 == 2nd parent of foo if suffix[i] == '^': j = i + 1 p = cl.parentrevs(rev) if j < len(suffix) and suffix[j].isdigit(): j += 1 n = int(suffix[i+1:j]) if n > 2 or n == 2 and p[1] == -1: raise else: n = 1 if n: rev = p[n - 1] i = j # foo~N => Nth first grandparent of foo # foo~0 = foo # foo~1 = foo^1 == foo^ == 1st parent of foo # foo~2 = foo^1^1 == foo^^ == 1st parent of 1st parent of foo elif suffix[i] == '~': j = i + 1 while j < len(suffix) and suffix[j].isdigit(): j += 1 if j == i + 1: raise n = int(suffix[i+1:j]) for k in xrange(n): rev = cl.parentrevs(rev)[0] i = j else: raise return cl.node(rev) repo.__class__ = parentrevspecrepo