mirror of
https://github.com/facebook/sapling.git
synced 2024-10-11 17:27:53 +03:00
305 lines
10 KiB
Python
305 lines
10 KiB
Python
import os
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from mercurial import config
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from mercurial import context
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from mercurial import extensions
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from mercurial import hg
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from mercurial import node
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from mercurial import ui
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from mercurial import url
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from mercurial import util
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from mercurial import revset
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from mercurial import templatekw
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from hgext import schemes
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try:
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# Mercurial 3.0 adds laziness for revsets, which breaks returning lists.
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baseset = revset.baseset
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except AttributeError:
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baseset = lambda x: x
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hasexchange = False
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try:
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from mercurial import exchange
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hasexchange = bool(getattr(exchange, 'push', False))
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except ImportError:
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pass
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def expush(orig, repo, remote, *args, **kwargs):
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res = orig(repo, remote, *args, **kwargs)
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lock = repo.lock()
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try:
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try:
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path = activepath(repo.ui, remote)
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if path:
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# on a push, we don't want to keep obsolete heads since
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# they won't show up as heads on the next pull, so we
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# remove them here otherwise we would require the user
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# to issue a pull to refresh .hg/remotebranches
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bmap = {}
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repo = repo.unfiltered()
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for branch, nodes in remote.branchmap().iteritems():
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bmap[branch] = [n for n in nodes if not repo[n].obsolete()]
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saveremotebranches(repo, path, bmap, remote.listkeys('bookmarks'))
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except Exception, e:
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ui.debug('remote branches for path %s not saved: %s\n'
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% (path, e))
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finally:
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lock.release()
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return res
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def expull(orig, repo, remote, *args, **kwargs):
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res = orig(repo, remote, *args, **kwargs)
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lock = repo.lock()
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try:
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try:
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path = activepath(repo.ui, remote)
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if path:
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saveremotebranches(repo, path, remote.branchmap(), remote.listkeys('bookmarks'))
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except Exception, e:
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ui.debug('remote branches for path %s not saved: %s\n'
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% (path, e))
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finally:
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lock.release()
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return res
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if hasexchange:
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extensions.wrapfunction(exchange, 'push', expush)
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extensions.wrapfunction(exchange, 'pull', expull)
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def reposetup(ui, repo):
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if not repo.local():
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return
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opull = getattr(repo.__class__, 'pull', False)
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opush = getattr(repo.__class__, 'push', False)
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olookup = repo.lookup
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ofindtags = repo._findtags
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if opull or opush:
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# Mercurial 3.1 and earlier use push/pull methods on the
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# localrepo object instead of in the exchange module. Avoid
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# reintroducing these methods into newer hg versions so we can
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# continue to detect breakage.
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class rbexchangerepo(repo.__class__):
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def pull(self, remote, *args, **kwargs):
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return expull(opull, self, remote, *args, **kwargs)
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def push(self, remote, *args, **kwargs):
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return expush(opush, self, remote, *args, **kwargs)
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repo.__class__ = rbexchangerepo
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class remotebranchesrepo(repo.__class__):
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def _findtags(self):
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(tags, tagtypes) = ofindtags()
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for tag, n in self._remotebranches.iteritems():
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tags[tag] = n
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tagtypes[tag] = 'remote'
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return (tags, tagtypes)
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@util.propertycache
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def _remotebranches(self):
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bfile = self.join('remotebranches')
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if not os.path.exists(bfile):
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return {}
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remotebranches = {}
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f = open(bfile)
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for line in f:
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line = line.strip()
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if not line:
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continue
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hash, name = line.split(' ', 1)
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# look up the hash in the changelog directly
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# to avoid infinite recursion if the hash is bogus
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n = self.changelog._match(hash)
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if not n:
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continue
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# we need rev since node will recurse lookup
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ctx = context.changectx(self, self.changelog.rev(n))
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if not ctx.extra().get('close'):
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remotebranches[name] = n
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return remotebranches
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def lookup(self, key):
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try:
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if key in self._remotebranches:
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key = self._remotebranches[key]
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except TypeError: # unhashable type
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pass
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return olookup(key)
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repo.__class__ = remotebranchesrepo
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def activepath(ui, remote):
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realpath = ''
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local = None
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try:
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local = remote.local()
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except AttributeError:
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pass
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# determine the remote path from the repo, if possible; else just
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# use the string given to us
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rpath = remote
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if local:
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rpath = getattr(remote, 'root', None)
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if rpath is None:
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# Maybe a localpeer? (hg@1ac628cd7113, 2.3)
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rpath = getattr(getattr(remote, '_repo', None),
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'root', None)
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elif not isinstance(remote, str):
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rpath = remote._url
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for path, uri in ui.configitems('paths'):
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uri = ui.expandpath(expandscheme(ui, uri))
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if local:
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uri = os.path.realpath(uri)
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else:
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if uri.startswith('http'):
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try:
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uri = url.url(uri).authinfo()[0]
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except AttributeError:
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try:
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uri = util.url(uri).authinfo()[0]
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except AttributeError:
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uri = url.getauthinfo(uri)[0]
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uri = uri.rstrip('/')
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rpath = rpath.rstrip('/')
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if uri == rpath:
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realpath = path
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# prefer a non-default name to default
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if path != 'default' and path != 'default-push':
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break
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return realpath
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def expandscheme(ui, uri):
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'''For a given uri, expand the scheme for it'''
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urischemes = [s for s in schemes.schemes.iterkeys()
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if uri.startswith('%s://' % s)]
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for s in urischemes:
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# TODO: refactor schemes so we don't
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# duplicate this logic
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ui.note('performing schemes expansion with '
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'scheme %s\n' % s)
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scheme = hg.schemes[s]
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parts = uri.split('://', 1)[1].split('/', scheme.parts)
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if len(parts) > scheme.parts:
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tail = parts[-1]
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parts = parts[:-1]
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else:
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tail = ''
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context = dict((str(i+1), v) for i, v in
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enumerate(parts))
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uri = ''.join(scheme.templater.process(
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scheme.url, context)) + tail
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return uri
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def splitremotebranch(remote):
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name = ''
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if '/' in remote:
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remote, name = remote.split('/', 1)
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return remote, name
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def joinremotebranch(remote, ref):
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if ref:
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remote += '/' + ref
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return remote
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def saveremotebranches(repo, remote, branches, bookmarks):
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bfile = repo.join('remotebranches')
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olddata = []
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existed = os.path.exists(bfile)
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alias_default = repo.ui.configbool('remotebranches', 'alias.default')
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if existed:
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f = open(bfile)
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olddata = [l for l in f
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if not l.split(' ', 1)[1].startswith(remote)]
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f = open(bfile, 'w')
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if existed:
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f.write(''.join(olddata))
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for branch, nodes in branches.iteritems():
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for n in nodes:
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f.write('%s %s/%s\n' % (node.hex(n), remote, branch))
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if remote != 'default' and branch == 'default' and alias_default:
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f.write('%s %s\n' % (node.hex(n), remote))
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for bookmark, n in bookmarks.iteritems():
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f.write('%s %s/%s\n' % (n, remote, bookmark))
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f.close()
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#########
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# revsets
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#########
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def upstream_revs(filt, repo, subset, x):
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upstream_tips = [node.hex(n) for name, n in
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repo._remotebranches.iteritems() if filt(name)]
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if not upstream_tips: []
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ls = getattr(revset, 'lazyset', False)
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if ls:
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# If revset.lazyset exists (hg 3.0), use lazysets instead for
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# speed.
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tipancestors = repo.revs('::%ln', map(node.bin, upstream_tips))
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def cond(n):
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return n in tipancestors
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return ls(subset, cond)
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# 2.9 and earlier codepath
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upstream = reduce(lambda x, y: x.update(y) or x,
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map(lambda x: set(revset.ancestors(repo, subset, x)),
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[('string', n) for n in upstream_tips]),
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set())
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return [r for r in subset if r in upstream]
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def upstream(repo, subset, x):
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'''``upstream()``
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Select changesets in an upstream repository according to remotebranches.
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'''
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args = revset.getargs(x, 0, 0, "upstream takes no arguments")
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upstream_names = [s + '/' for s in
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repo.ui.configlist('remotebranches', 'upstream')]
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if not upstream_names:
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filt = lambda x: True
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else:
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filt = lambda name: any(map(name.startswith, upstream_names))
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return upstream_revs(filt, repo, subset, x)
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def pushed(repo, subset, x):
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'''``pushed()``
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Select changesets in any remote repository according to remotebranches.
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'''
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args = revset.getargs(x, 0, 0, "pushed takes no arguments")
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return upstream_revs(lambda x: True, repo, subset, x)
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def remotebranchesrevset(repo, subset, x):
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"""``remotebranches()``
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All remote branches heads.
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"""
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args = revset.getargs(x, 0, 0, "remotebranches takes no arguments")
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remoterevs = set(repo[n].rev() for n in repo._remotebranches.itervalues())
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return baseset([r for r in subset if r in remoterevs])
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revset.symbols.update({'upstream': upstream,
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'pushed': pushed,
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'remotebranches': remotebranchesrevset})
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###########
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# templates
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###########
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def remotebrancheskw(**args):
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""":remotebranches: List of strings. Any remote branch associated
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with the changeset.
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"""
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repo, ctx = args['repo'], args['ctx']
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remotenodes = {}
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for name, node in repo._remotebranches.iteritems():
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remotenodes.setdefault(node, []).append(name)
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if ctx.node() in remotenodes:
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names = sorted(remotenodes[ctx.node()])
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return templatekw.showlist('remotebranch', names,
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plural='remotebranches', **args)
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templatekw.keywords['remotebranches'] = remotebrancheskw
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