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record.py	5.07 KB	-rw-r--r--
releasenotes.py	21.88 KB	-rw-r--r--
relink.py	6.66 KB	-rw-r--r--
remotenames.py	13.78 KB	-rw-r--r--
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Code Editor : remotenames.py

# remotenames.py - extension to display remotenames
#
# Copyright 2017 Augie Fackler <raf@durin42.com>
# Copyright 2017 Sean Farley <sean@farley.io>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

""" showing remotebookmarks and remotebranches in UI (EXPERIMENTAL)

By default both remotebookmarks and remotebranches are turned on. Config knob to
control the individually are as follows.

Config options to tweak the default behaviour:

remotenames.bookmarks
  Boolean value to enable or disable showing of remotebookmarks (default: True)

remotenames.branches
  Boolean value to enable or disable showing of remotebranches (default: True)

remotenames.hoistedpeer
  Name of the peer whose remotebookmarks should be hoisted into the top-level
  namespace (default: 'default')
"""

from __future__ import absolute_import

from mercurial.i18n import _

from mercurial.node import bin
from mercurial import (
    bookmarks,
    error,
    extensions,
    logexchange,
    namespaces,
    pycompat,
    registrar,
    revsetlang,
    smartset,
    templateutil,
    util,
)

from mercurial.utils import stringutil

if pycompat.ispy3:
    import collections.abc

mutablemapping = collections.abc.MutableMapping
else:
    import collections

mutablemapping = collections.MutableMapping

# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
# be specifying the version(s) of Mercurial they are tested with, or
# leave the attribute unspecified.
testedwith = b'ships-with-hg-core'

configtable = {}
configitem = registrar.configitem(configtable)
templatekeyword = registrar.templatekeyword()
revsetpredicate = registrar.revsetpredicate()

configitem(
    b'remotenames',
    b'bookmarks',
    default=True,
)
configitem(
    b'remotenames',
    b'branches',
    default=True,
)
configitem(
    b'remotenames',
    b'hoistedpeer',
    default=b'default',
)

class lazyremotenamedict(mutablemapping):
    """
    Read-only dict-like Class to lazily resolve remotename entries

We are doing that because remotenames startup was slow.
    We lazily read the remotenames file once to figure out the potential entries
    and store them in self.potentialentries. Then when asked to resolve an
    entry, if it is not in self.potentialentries, then it isn't there, if it
    is in self.potentialentries we resolve it and store the result in
    self.cache. We cannot be lazy is when asked all the entries (keys).
    """

def __init__(self, kind, repo):
        self.cache = {}
        self.potentialentries = {}
        self._kind = kind  # bookmarks or branches
        self._repo = repo
        self.loaded = False

def _load(self):
        """Read the remotenames file, store entries matching selected kind"""
        self.loaded = True
        repo = self._repo
        for node, rpath, rname in logexchange.readremotenamefile(
            repo, self._kind
        ):
            name = rpath + b'/' + rname
            self.potentialentries[name] = (node, rpath, name)

def _resolvedata(self, potentialentry):
        """Check that the node for potentialentry exists and return it"""
        if not potentialentry in self.potentialentries:
            return None
        node, remote, name = self.potentialentries[potentialentry]
        repo = self._repo
        binnode = bin(node)
        # if the node doesn't exist, skip it
        try:
            repo.changelog.rev(binnode)
        except LookupError:
            return None
        # Skip closed branches
        if self._kind == b'branches' and repo[binnode].closesbranch():
            return None
        return [binnode]

def __getitem__(self, key):
        if not self.loaded:
            self._load()
        val = self._fetchandcache(key)
        if val is not None:
            return val
        else:
            raise KeyError()

def __iter__(self):
        return iter(self.potentialentries)

def __len__(self):
        return len(self.potentialentries)

def __setitem__(self):
        raise NotImplementedError

def __delitem__(self):
        raise NotImplementedError

def _fetchandcache(self, key):
        if key in self.cache:
            return self.cache[key]
        val = self._resolvedata(key)
        if val is not None:
            self.cache[key] = val
            return val
        else:
            return None

def keys(self):
        """Get a list of bookmark or branch names"""
        if not self.loaded:
            self._load()
        return self.potentialentries.keys()

def iteritems(self):
        """Iterate over (name, node) tuples"""

if not self.loaded:
            self._load()

for k, vtup in pycompat.iteritems(self.potentialentries):
            yield (k, [bin(vtup[0])])

items = iteritems

class remotenames(object):
    """
    This class encapsulates all the remotenames state. It also contains
    methods to access that state in convenient ways. Remotenames are lazy
    loaded. Whenever client code needs to ensure the freshest copy of
    remotenames, use the `clearnames` method to force an eventual load.
    """

def __init__(self, repo, *args):
        self._repo = repo
        self.clearnames()

def clearnames(self):
        """Clear all remote names state"""
        self.bookmarks = lazyremotenamedict(b"bookmarks", self._repo)
        self.branches = lazyremotenamedict(b"branches", self._repo)
        self._invalidatecache()

def _invalidatecache(self):
        self._nodetobmarks = None
        self._nodetobranch = None
        self._hoisttonodes = None
        self._nodetohoists = None

def bmarktonodes(self):
        return self.bookmarks

def nodetobmarks(self):
        if not self._nodetobmarks:
            bmarktonodes = self.bmarktonodes()
            self._nodetobmarks = {}
            for name, node in pycompat.iteritems(bmarktonodes):
                self._nodetobmarks.setdefault(node[0], []).append(name)
        return self._nodetobmarks

def branchtonodes(self):
        return self.branches

def nodetobranch(self):
        if not self._nodetobranch:
            branchtonodes = self.branchtonodes()
            self._nodetobranch = {}
            for name, nodes in pycompat.iteritems(branchtonodes):
                for node in nodes:
                    self._nodetobranch.setdefault(node, []).append(name)
        return self._nodetobranch

def hoisttonodes(self, hoist):
        if not self._hoisttonodes:
            marktonodes = self.bmarktonodes()
            self._hoisttonodes = {}
            hoist += b'/'
            for name, node in pycompat.iteritems(marktonodes):
                if name.startswith(hoist):
                    name = name[len(hoist) :]
                    self._hoisttonodes[name] = node
        return self._hoisttonodes

def nodetohoists(self, hoist):
        if not self._nodetohoists:
            marktonodes = self.bmarktonodes()
            self._nodetohoists = {}
            hoist += b'/'
            for name, node in pycompat.iteritems(marktonodes):
                if name.startswith(hoist):
                    name = name[len(hoist) :]
                    self._nodetohoists.setdefault(node[0], []).append(name)
        return self._nodetohoists

def wrapprintbookmarks(orig, ui, repo, fm, bmarks):
    if b'remotebookmarks' not in repo.names:
        return
    ns = repo.names[b'remotebookmarks']

for name in ns.listnames(repo):
        nodes = ns.nodes(repo, name)
        if not nodes:
            continue
        node = nodes[0]

bmarks[name] = (node, b' ', b'')

return orig(ui, repo, fm, bmarks)

def extsetup(ui):
    extensions.wrapfunction(bookmarks, b'_printbookmarks', wrapprintbookmarks)

def reposetup(ui, repo):

# set the config option to store remotenames
    repo.ui.setconfig(b'experimental', b'remotenames', True, b'remotenames-ext')

if not repo.local():
        return

repo._remotenames = remotenames(repo)
    ns = namespaces.namespace

if ui.configbool(b'remotenames', b'bookmarks'):
        remotebookmarkns = ns(
            b'remotebookmarks',
            templatename=b'remotebookmarks',
            colorname=b'remotebookmark',
            logfmt=b'remote bookmark:  %s\n',
            listnames=lambda repo: repo._remotenames.bmarktonodes().keys(),
            namemap=lambda repo, name: repo._remotenames.bmarktonodes().get(
                name, []
            ),
            nodemap=lambda repo, node: repo._remotenames.nodetobmarks().get(
                node, []
            ),
        )
        repo.names.addnamespace(remotebookmarkns)

# hoisting only works if there are remote bookmarks
        hoist = ui.config(b'remotenames', b'hoistedpeer')
        if hoist:
            hoistednamens = ns(
                b'hoistednames',
                templatename=b'hoistednames',
                colorname=b'hoistedname',
                logfmt=b'hoisted name:  %s\n',
                listnames=lambda repo: repo._remotenames.hoisttonodes(
                    hoist
                ).keys(),
                namemap=lambda repo, name: repo._remotenames.hoisttonodes(
                    hoist
                ).get(name, []),
                nodemap=lambda repo, node: repo._remotenames.nodetohoists(
                    hoist
                ).get(node, []),
            )
            repo.names.addnamespace(hoistednamens)

if ui.configbool(b'remotenames', b'branches'):
        remotebranchns = ns(
            b'remotebranches',
            templatename=b'remotebranches',
            colorname=b'remotebranch',
            logfmt=b'remote branch:  %s\n',
            listnames=lambda repo: repo._remotenames.branchtonodes().keys(),
            namemap=lambda repo, name: repo._remotenames.branchtonodes().get(
                name, []
            ),
            nodemap=lambda repo, node: repo._remotenames.nodetobranch().get(
                node, []
            ),
        )
        repo.names.addnamespace(remotebranchns)

@templatekeyword(b'remotenames', requires={b'repo', b'ctx'})
def remotenameskw(context, mapping):
    """List of strings. Remote names associated with the changeset."""
    repo = context.resource(mapping, b'repo')
    ctx = context.resource(mapping, b'ctx')

remotenames = []
    if b'remotebookmarks' in repo.names:
        remotenames = repo.names[b'remotebookmarks'].names(repo, ctx.node())

if b'remotebranches' in repo.names:
        remotenames += repo.names[b'remotebranches'].names(repo, ctx.node())

return templateutil.compatlist(
        context, mapping, b'remotename', remotenames, plural=b'remotenames'
    )

@templatekeyword(b'remotebookmarks', requires={b'repo', b'ctx'})
def remotebookmarkskw(context, mapping):
    """List of strings. Remote bookmarks associated with the changeset."""
    repo = context.resource(mapping, b'repo')
    ctx = context.resource(mapping, b'ctx')

remotebmarks = []
    if b'remotebookmarks' in repo.names:
        remotebmarks = repo.names[b'remotebookmarks'].names(repo, ctx.node())

return templateutil.compatlist(
        context,
        mapping,
        b'remotebookmark',
        remotebmarks,
        plural=b'remotebookmarks',
    )

@templatekeyword(b'remotebranches', requires={b'repo', b'ctx'})
def remotebrancheskw(context, mapping):
    """List of strings. Remote branches associated with the changeset."""
    repo = context.resource(mapping, b'repo')
    ctx = context.resource(mapping, b'ctx')

remotebranches = []
    if b'remotebranches' in repo.names:
        remotebranches = repo.names[b'remotebranches'].names(repo, ctx.node())

return templateutil.compatlist(
        context,
        mapping,
        b'remotebranch',
        remotebranches,
        plural=b'remotebranches',
    )

def _revsetutil(repo, subset, x, rtypes):
    """utility function to return a set of revs based on the rtypes"""
    args = revsetlang.getargs(x, 0, 1, _(b'only one argument accepted'))
    if args:
        kind, pattern, matcher = stringutil.stringmatcher(
            revsetlang.getstring(args[0], _(b'argument must be a string'))
        )
    else:
        kind = pattern = None
        matcher = util.always

nodes = set()
    cl = repo.changelog
    for rtype in rtypes:
        if rtype in repo.names:
            ns = repo.names[rtype]
            for name in ns.listnames(repo):
                if not matcher(name):
                    continue
                nodes.update(ns.nodes(repo, name))
    if kind == b'literal' and not nodes:
        raise error.RepoLookupError(
            _(b"remote name '%s' does not exist") % pattern
        )

revs = (cl.rev(n) for n in nodes if cl.hasnode(n))
    return subset & smartset.baseset(revs)

@revsetpredicate(b'remotenames([name])')
def remotenamesrevset(repo, subset, x):
    """All changesets which have a remotename on them. If `name` is
    specified, only remotenames of matching remote paths are considered.

Pattern matching is supported for `name`. See :hg:`help revisions.patterns`.
    """
    return _revsetutil(repo, subset, x, (b'remotebookmarks', b'remotebranches'))

@revsetpredicate(b'remotebranches([name])')
def remotebranchesrevset(repo, subset, x):
    """All changesets which are branch heads on remotes. If `name` is
    specified, only remotenames of matching remote paths are considered.

Pattern matching is supported for `name`. See :hg:`help revisions.patterns`.
    """
    return _revsetutil(repo, subset, x, (b'remotebranches',))

@revsetpredicate(b'remotebookmarks([name])')
def remotebmarksrevset(repo, subset, x):
    """All changesets which have bookmarks on remotes. If `name` is
    specified, only remotenames of matching remote paths are considered.

Pattern matching is supported for `name`. See :hg:`help revisions.patterns`.
    """
    return _revsetutil(repo, subset, x, (b'remotebookmarks',))

${this.title}

Code Editor : remotenames.py