topic: add ability to change topic of non-public changes
This is a little crude, but it gets the job done. You probably don't
want to use this without evolution for now.
from mercurial import revset
def topicset(repo, subset, x):
"""`topic([topic])`
Specified topic or all changes with any topic specified.
If `topic` starts with `re:` the remainder of the name is treated
as a regular expression.
TODO: make `topic(revset)` work the same as `branch(revset)`.
"""
args = revset.getargs(x, 0, 1, 'topic takes one or no arguments')
if args:
# match a specific topic
topic = revset.getstring(args[0], 'topic() argument must be a string')
_kind, _pattern, matcher = revset._stringmatcher(topic)
else:
matcher = lambda t: bool(t)
drafts = subset.filter(lambda r: repo[r].mutable())
return drafts.filter(lambda r: matcher(repo[r].extra().get('topic', '')))
def modsetup():
revset.symbols.update({'topic': topicset})