hgext3rd/topic/revset.py
author Pierre-Yves David <pierre-yves.david@fb.com>
Thu, 17 Mar 2016 09:13:12 -0700
changeset 1910 24986e5a537c
parent 1901 85390446f8c1
child 1922 3d14e9eef3c1
permissions -rw-r--r--
stack: add a 'stack()' revset We give access to the list of relevant commit with a revset. Benefits over 'topic(.)' are the filtering of obsolete changeset and the reordering (to topological as-in unstability were resolved).
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from mercurial import revset
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from mercurial import util
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from . import constants, destination, stack
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try:
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    mkmatcher = revset._stringmatcher
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except AttributeError:
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    mkmatcher = util.stringmatcher
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def topicset(repo, subset, x):
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    """`topic([topic])`
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    Specified topic or all changes with any topic specified.
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    If `topic` starts with `re:` the remainder of the name is treated
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    as a regular expression.
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    TODO: make `topic(revset)` work the same as `branch(revset)`.
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    """
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    args = revset.getargs(x, 0, 1, 'topic takes one or no arguments')
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    if args:
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        # match a specific topic
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        topic = revset.getstring(args[0], 'topic() argument must be a string')
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        if topic == '.':
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            topic = repo['.'].extra().get('topic', '')
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        _kind, _pattern, matcher = mkmatcher(topic)
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    else:
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        matcher = lambda t: bool(t)
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    drafts = subset.filter(lambda r: repo[r].mutable())
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    return drafts.filter(
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        lambda r: matcher(repo[r].extra().get(constants.extrakey, '')))
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def ngtipset(repo, subset, x):
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    """`ngtip([branch])`
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    The untopiced tip.
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    Name is horrible so that people change it.
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    """
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    args = revset.getargs(x, 1, 1, 'topic takes one')
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    # match a specific topic
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    branch = revset.getstring(args[0], 'ngtip() argument must be a string')
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    if branch == '.':
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        branch = repo['.'].branch()
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    return subset & destination.ngtip(repo, branch)
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def stackset(repo, subset, x):
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    """`stack()`
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    All relevant changes in the current topic,
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    This is roughly equivalent to 'topic(.) - obsolete' with a sorting moving
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    unstable changeset after there future parent (as if evolve where already
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    run)."""
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    topic = repo.currenttopic
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    if not topic:
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        raise error.Abort(_('no active topic to list'))
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    # ordering hack, boo
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    return revset.baseset(stack.getstack(repo, topic)) & subset
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def modsetup():
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    revset.symbols.update({'topic': topicset})
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    revset.symbols.update({'ngtip': ngtipset})
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    revset.symbols.update({'stack': stackset})