hgext3rd/topic/revset.py
author Boris Feld <boris.feld@octobus.net>
Thu, 21 Sep 2017 10:45:27 +0200
changeset 2959 ef361938dfa1
parent 2924 430fb1758d28
child 3156 31493a1b0e39
permissions -rw-r--r--
doc: integrate graphviz graphs in tutorials Use the mercurial-docgraph extension (https://pypi.python.org/pypi/hg- docgraph/) in tutorials in order to have some dot graphs in the tutorials .t files. Then generate the doc as usual, the sphinx-graphviz extension (http://www .sphinx-doc.org/en/stable/ext/graphviz.html) has been added and it should handle the generation of the graphs. Please be aware that you need the dot binary installed in your system. Please refer to the extension documentation for more configuration.
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from __future__ import absolute_import
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from mercurial import (
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    registrar,
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    revset,
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    util,
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)
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from . import (
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    constants,
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    destination,
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    stack,
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)
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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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revsetpredicate = registrar.revsetpredicate()
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@revsetpredicate('topic([topic])')
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def topicset(repo, subset, x):
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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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    mutable = revset._notpublic(repo, revset.fullreposet(repo), ())
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    rawchange = repo.changelog.changelogrevision
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    key = constants.extrakey
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    def matchtopic(r):
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        topic = rawchange(r).extra.get(key)
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        if topic is None:
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            return False
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        return matcher(topic)
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    return (subset & mutable).filter(matchtopic)
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@revsetpredicate('ngtip([branch])')
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def ngtipset(repo, subset, x):
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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 & revset.baseset(destination.ngtip(repo, branch))
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@revsetpredicate('stack()')
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def stackset(repo, subset, x):
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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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    err = 'stack() takes no argument, it works on current topic'
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    revset.getargs(x, 0, 0, err)
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    topic = repo.currenttopic
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    topic = None
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    branch = None
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    if not topic and repo.currenttopic:
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        topic = repo.currenttopic
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    if not topic:
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        branch = repo[None].branch()
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    return revset.baseset(stack.stack(repo, branch=branch, topic=topic)[1:]) & subset