mirror of
https://github.com/facebook/sapling.git
synced 2024-10-10 16:57:49 +03:00
9766845689
Bookmarks persistence still showed a fair amount of its legacy as a monkeypatching extension. This encapsulates all bookmarks serialization and parsing in a single class, and offers a single location where other bookmarks storage engines can be substituted in. As a result, many files no longer import the bookmarks module, which strikes me as an encapsulation win. This doesn't do anything to the current bookmark state yet, but I'm hoping put that in the bmstore class as well.
647 lines
22 KiB
Python
647 lines
22 KiB
Python
# hg.py - repository classes for mercurial
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#
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# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from i18n import _
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from lock import release
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from node import hex, nullid
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import localrepo, bundlerepo, httppeer, sshpeer, statichttprepo, bookmarks
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import lock, util, extensions, error, node, scmutil, phases, url
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import cmdutil, discovery
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import merge as mergemod
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import verify as verifymod
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import errno, os, shutil
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def _local(path):
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path = util.expandpath(util.urllocalpath(path))
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return (os.path.isfile(path) and bundlerepo or localrepo)
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def addbranchrevs(lrepo, other, branches, revs):
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peer = other.peer() # a courtesy to callers using a localrepo for other
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hashbranch, branches = branches
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if not hashbranch and not branches:
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return revs or None, revs and revs[0] or None
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revs = revs and list(revs) or []
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if not peer.capable('branchmap'):
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if branches:
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raise util.Abort(_("remote branch lookup not supported"))
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revs.append(hashbranch)
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return revs, revs[0]
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branchmap = peer.branchmap()
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def primary(branch):
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if branch == '.':
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if not lrepo:
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raise util.Abort(_("dirstate branch not accessible"))
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branch = lrepo.dirstate.branch()
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if branch in branchmap:
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revs.extend(node.hex(r) for r in reversed(branchmap[branch]))
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return True
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else:
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return False
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for branch in branches:
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if not primary(branch):
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raise error.RepoLookupError(_("unknown branch '%s'") % branch)
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if hashbranch:
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if not primary(hashbranch):
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revs.append(hashbranch)
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return revs, revs[0]
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def parseurl(path, branches=None):
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'''parse url#branch, returning (url, (branch, branches))'''
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u = util.url(path)
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branch = None
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if u.fragment:
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branch = u.fragment
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u.fragment = None
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return str(u), (branch, branches or [])
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schemes = {
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'bundle': bundlerepo,
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'file': _local,
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'http': httppeer,
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'https': httppeer,
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'ssh': sshpeer,
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'static-http': statichttprepo,
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}
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def _peerlookup(path):
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u = util.url(path)
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scheme = u.scheme or 'file'
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thing = schemes.get(scheme) or schemes['file']
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try:
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return thing(path)
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except TypeError:
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return thing
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def islocal(repo):
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'''return true if repo or path is local'''
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if isinstance(repo, str):
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try:
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return _peerlookup(repo).islocal(repo)
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except AttributeError:
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return False
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return repo.local()
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def openpath(ui, path):
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'''open path with open if local, url.open if remote'''
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if islocal(path):
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return util.posixfile(util.urllocalpath(path), 'rb')
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else:
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return url.open(ui, path)
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def _peerorrepo(ui, path, create=False):
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"""return a repository object for the specified path"""
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obj = _peerlookup(path).instance(ui, path, create)
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ui = getattr(obj, "ui", ui)
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for name, module in extensions.extensions():
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hook = getattr(module, 'reposetup', None)
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if hook:
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hook(ui, obj)
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return obj
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def repository(ui, path='', create=False):
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"""return a repository object for the specified path"""
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peer = _peerorrepo(ui, path, create)
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repo = peer.local()
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if not repo:
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raise util.Abort(_("repository '%s' is not local") %
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(path or peer.url()))
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return repo
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def peer(uiorrepo, opts, path, create=False):
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'''return a repository peer for the specified path'''
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rui = remoteui(uiorrepo, opts)
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return _peerorrepo(rui, path, create).peer()
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def defaultdest(source):
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'''return default destination of clone if none is given'''
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return os.path.basename(os.path.normpath(util.url(source).path))
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def share(ui, source, dest=None, update=True):
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'''create a shared repository'''
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if not islocal(source):
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raise util.Abort(_('can only share local repositories'))
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if not dest:
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dest = defaultdest(source)
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else:
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dest = ui.expandpath(dest)
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if isinstance(source, str):
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origsource = ui.expandpath(source)
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source, branches = parseurl(origsource)
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srcrepo = repository(ui, source)
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rev, checkout = addbranchrevs(srcrepo, srcrepo, branches, None)
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else:
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srcrepo = source.local()
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origsource = source = srcrepo.url()
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checkout = None
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sharedpath = srcrepo.sharedpath # if our source is already sharing
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root = os.path.realpath(dest)
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roothg = os.path.join(root, '.hg')
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if os.path.exists(roothg):
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raise util.Abort(_('destination already exists'))
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if not os.path.isdir(root):
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os.mkdir(root)
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util.makedir(roothg, notindexed=True)
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requirements = ''
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try:
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requirements = srcrepo.opener.read('requires')
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except IOError, inst:
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if inst.errno != errno.ENOENT:
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raise
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requirements += 'shared\n'
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util.writefile(os.path.join(roothg, 'requires'), requirements)
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util.writefile(os.path.join(roothg, 'sharedpath'), sharedpath)
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r = repository(ui, root)
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default = srcrepo.ui.config('paths', 'default')
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if not default:
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# set default to source for being able to clone subrepos
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default = os.path.abspath(util.urllocalpath(origsource))
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fp = r.opener("hgrc", "w", text=True)
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fp.write("[paths]\n")
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fp.write("default = %s\n" % default)
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fp.close()
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r.ui.setconfig('paths', 'default', default)
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if update:
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r.ui.status(_("updating working directory\n"))
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if update is not True:
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checkout = update
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for test in (checkout, 'default', 'tip'):
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if test is None:
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continue
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try:
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uprev = r.lookup(test)
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break
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except error.RepoLookupError:
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continue
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_update(r, uprev)
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def copystore(ui, srcrepo, destpath):
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'''copy files from store of srcrepo in destpath
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returns destlock
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'''
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destlock = None
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try:
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hardlink = None
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num = 0
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srcpublishing = srcrepo.ui.configbool('phases', 'publish', True)
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for f in srcrepo.store.copylist():
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if srcpublishing and f.endswith('phaseroots'):
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continue
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src = os.path.join(srcrepo.sharedpath, f)
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dst = os.path.join(destpath, f)
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dstbase = os.path.dirname(dst)
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if dstbase and not os.path.exists(dstbase):
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os.mkdir(dstbase)
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if os.path.exists(src):
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if dst.endswith('data'):
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# lock to avoid premature writing to the target
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destlock = lock.lock(os.path.join(dstbase, "lock"))
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hardlink, n = util.copyfiles(src, dst, hardlink)
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num += n
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if hardlink:
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ui.debug("linked %d files\n" % num)
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else:
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ui.debug("copied %d files\n" % num)
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return destlock
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except: # re-raises
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release(destlock)
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raise
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def clone(ui, peeropts, source, dest=None, pull=False, rev=None,
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update=True, stream=False, branch=None):
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"""Make a copy of an existing repository.
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Create a copy of an existing repository in a new directory. The
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source and destination are URLs, as passed to the repository
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function. Returns a pair of repository peers, the source and
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newly created destination.
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The location of the source is added to the new repository's
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.hg/hgrc file, as the default to be used for future pulls and
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pushes.
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If an exception is raised, the partly cloned/updated destination
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repository will be deleted.
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Arguments:
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source: repository object or URL
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dest: URL of destination repository to create (defaults to base
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name of source repository)
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pull: always pull from source repository, even in local case
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stream: stream raw data uncompressed from repository (fast over
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LAN, slow over WAN)
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rev: revision to clone up to (implies pull=True)
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update: update working directory after clone completes, if
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destination is local repository (True means update to default rev,
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anything else is treated as a revision)
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branch: branches to clone
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"""
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if isinstance(source, str):
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origsource = ui.expandpath(source)
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source, branch = parseurl(origsource, branch)
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srcpeer = peer(ui, peeropts, source)
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else:
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srcpeer = source.peer() # in case we were called with a localrepo
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branch = (None, branch or [])
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origsource = source = srcpeer.url()
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rev, checkout = addbranchrevs(srcpeer, srcpeer, branch, rev)
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if dest is None:
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dest = defaultdest(source)
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ui.status(_("destination directory: %s\n") % dest)
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else:
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dest = ui.expandpath(dest)
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dest = util.urllocalpath(dest)
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source = util.urllocalpath(source)
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if not dest:
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raise util.Abort(_("empty destination path is not valid"))
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if os.path.exists(dest):
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if not os.path.isdir(dest):
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raise util.Abort(_("destination '%s' already exists") % dest)
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elif os.listdir(dest):
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raise util.Abort(_("destination '%s' is not empty") % dest)
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class DirCleanup(object):
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def __init__(self, dir_):
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self.rmtree = shutil.rmtree
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self.dir_ = dir_
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def close(self):
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self.dir_ = None
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def cleanup(self):
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if self.dir_:
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self.rmtree(self.dir_, True)
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srclock = destlock = dircleanup = None
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srcrepo = srcpeer.local()
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try:
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abspath = origsource
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if islocal(origsource):
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abspath = os.path.abspath(util.urllocalpath(origsource))
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if islocal(dest):
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dircleanup = DirCleanup(dest)
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copy = False
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if (srcrepo and srcrepo.cancopy() and islocal(dest)
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and not phases.hassecret(srcrepo)):
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copy = not pull and not rev
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if copy:
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try:
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# we use a lock here because if we race with commit, we
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# can end up with extra data in the cloned revlogs that's
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# not pointed to by changesets, thus causing verify to
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# fail
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srclock = srcrepo.lock(wait=False)
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except error.LockError:
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copy = False
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if copy:
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srcrepo.hook('preoutgoing', throw=True, source='clone')
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hgdir = os.path.realpath(os.path.join(dest, ".hg"))
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if not os.path.exists(dest):
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os.mkdir(dest)
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else:
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# only clean up directories we create ourselves
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dircleanup.dir_ = hgdir
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try:
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destpath = hgdir
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util.makedir(destpath, notindexed=True)
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except OSError, inst:
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if inst.errno == errno.EEXIST:
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dircleanup.close()
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raise util.Abort(_("destination '%s' already exists")
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% dest)
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raise
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destlock = copystore(ui, srcrepo, destpath)
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# Recomputing branch cache might be slow on big repos,
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# so just copy it
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dstcachedir = os.path.join(destpath, 'cache')
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srcbranchcache = srcrepo.sjoin('cache/branchheads')
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dstbranchcache = os.path.join(dstcachedir, 'branchheads')
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if os.path.exists(srcbranchcache):
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if not os.path.exists(dstcachedir):
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os.mkdir(dstcachedir)
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util.copyfile(srcbranchcache, dstbranchcache)
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# we need to re-init the repo after manually copying the data
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# into it
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destpeer = peer(srcrepo, peeropts, dest)
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srcrepo.hook('outgoing', source='clone',
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node=node.hex(node.nullid))
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else:
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try:
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destpeer = peer(srcrepo or ui, peeropts, dest, create=True)
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# only pass ui when no srcrepo
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except OSError, inst:
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if inst.errno == errno.EEXIST:
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dircleanup.close()
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raise util.Abort(_("destination '%s' already exists")
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% dest)
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raise
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revs = None
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if rev:
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if not srcpeer.capable('lookup'):
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raise util.Abort(_("src repository does not support "
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"revision lookup and so doesn't "
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"support clone by revision"))
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revs = [srcpeer.lookup(r) for r in rev]
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checkout = revs[0]
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if destpeer.local():
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destpeer.local().clone(srcpeer, heads=revs, stream=stream)
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elif srcrepo:
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srcrepo.push(destpeer, revs=revs)
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else:
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raise util.Abort(_("clone from remote to remote not supported"))
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if dircleanup:
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dircleanup.close()
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# clone all bookmarks except divergent ones
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destrepo = destpeer.local()
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if destrepo and srcpeer.capable("pushkey"):
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rb = srcpeer.listkeys('bookmarks')
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marks = destrepo._bookmarks
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for k, n in rb.iteritems():
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try:
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m = destrepo.lookup(n)
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marks[k] = m
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except error.RepoLookupError:
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pass
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if rb:
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marks.write()
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elif srcrepo and destpeer.capable("pushkey"):
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for k, n in srcrepo._bookmarks.iteritems():
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destpeer.pushkey('bookmarks', k, '', hex(n))
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if destrepo:
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fp = destrepo.opener("hgrc", "w", text=True)
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fp.write("[paths]\n")
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u = util.url(abspath)
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u.passwd = None
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defaulturl = str(u)
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fp.write("default = %s\n" % defaulturl)
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fp.close()
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destrepo.ui.setconfig('paths', 'default', defaulturl)
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if update:
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if update is not True:
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checkout = srcpeer.lookup(update)
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uprev = None
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status = None
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if checkout is not None:
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try:
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uprev = destrepo.lookup(checkout)
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except error.RepoLookupError:
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pass
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if uprev is None:
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try:
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uprev = destrepo._bookmarks['@']
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update = '@'
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bn = destrepo[uprev].branch()
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if bn == 'default':
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status = _("updating to bookmark @\n")
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else:
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status = _("updating to bookmark @ on branch %s\n"
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% bn)
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except KeyError:
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try:
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uprev = destrepo.branchtip('default')
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except error.RepoLookupError:
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uprev = destrepo.lookup('tip')
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if not status:
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bn = destrepo[uprev].branch()
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status = _("updating to branch %s\n") % bn
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destrepo.ui.status(status)
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_update(destrepo, uprev)
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if update in destrepo._bookmarks:
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bookmarks.setcurrent(destrepo, update)
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return srcpeer, destpeer
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finally:
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release(srclock, destlock)
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if dircleanup is not None:
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dircleanup.cleanup()
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if srcpeer is not None:
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srcpeer.close()
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def _showstats(repo, stats):
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repo.ui.status(_("%d files updated, %d files merged, "
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"%d files removed, %d files unresolved\n") % stats)
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def updaterepo(repo, node, overwrite):
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"""Update the working directory to node.
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When overwrite is set, changes are clobbered, merged else
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returns stats (see pydoc mercurial.merge.applyupdates)"""
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return mergemod.update(repo, node, False, overwrite, None)
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def update(repo, node):
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"""update the working directory to node, merging linear changes"""
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stats = updaterepo(repo, node, False)
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_showstats(repo, stats)
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if stats[3]:
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repo.ui.status(_("use 'hg resolve' to retry unresolved file merges\n"))
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return stats[3] > 0
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# naming conflict in clone()
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_update = update
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def clean(repo, node, show_stats=True):
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"""forcibly switch the working directory to node, clobbering changes"""
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stats = updaterepo(repo, node, True)
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if show_stats:
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_showstats(repo, stats)
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return stats[3] > 0
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def merge(repo, node, force=None, remind=True):
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"""Branch merge with node, resolving changes. Return true if any
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unresolved conflicts."""
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stats = mergemod.update(repo, node, True, force, False)
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_showstats(repo, stats)
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if stats[3]:
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repo.ui.status(_("use 'hg resolve' to retry unresolved file merges "
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"or 'hg update -C .' to abandon\n"))
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elif remind:
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repo.ui.status(_("(branch merge, don't forget to commit)\n"))
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return stats[3] > 0
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def _incoming(displaychlist, subreporecurse, ui, repo, source,
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opts, buffered=False):
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"""
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Helper for incoming / gincoming.
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displaychlist gets called with
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(remoterepo, incomingchangesetlist, displayer) parameters,
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and is supposed to contain only code that can't be unified.
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"""
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source, branches = parseurl(ui.expandpath(source), opts.get('branch'))
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other = peer(repo, opts, source)
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ui.status(_('comparing with %s\n') % util.hidepassword(source))
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revs, checkout = addbranchrevs(repo, other, branches, opts.get('rev'))
|
|
|
|
if revs:
|
|
revs = [other.lookup(rev) for rev in revs]
|
|
other, chlist, cleanupfn = bundlerepo.getremotechanges(ui, repo, other,
|
|
revs, opts["bundle"], opts["force"])
|
|
try:
|
|
if not chlist:
|
|
ui.status(_("no changes found\n"))
|
|
return subreporecurse()
|
|
|
|
displayer = cmdutil.show_changeset(ui, other, opts, buffered)
|
|
|
|
# XXX once graphlog extension makes it into core,
|
|
# should be replaced by a if graph/else
|
|
displaychlist(other, chlist, displayer)
|
|
|
|
displayer.close()
|
|
finally:
|
|
cleanupfn()
|
|
subreporecurse()
|
|
return 0 # exit code is zero since we found incoming changes
|
|
|
|
def incoming(ui, repo, source, opts):
|
|
def subreporecurse():
|
|
ret = 1
|
|
if opts.get('subrepos'):
|
|
ctx = repo[None]
|
|
for subpath in sorted(ctx.substate):
|
|
sub = ctx.sub(subpath)
|
|
ret = min(ret, sub.incoming(ui, source, opts))
|
|
return ret
|
|
|
|
def display(other, chlist, displayer):
|
|
limit = cmdutil.loglimit(opts)
|
|
if opts.get('newest_first'):
|
|
chlist.reverse()
|
|
count = 0
|
|
for n in chlist:
|
|
if limit is not None and count >= limit:
|
|
break
|
|
parents = [p for p in other.changelog.parents(n) if p != nullid]
|
|
if opts.get('no_merges') and len(parents) == 2:
|
|
continue
|
|
count += 1
|
|
displayer.show(other[n])
|
|
return _incoming(display, subreporecurse, ui, repo, source, opts)
|
|
|
|
def _outgoing(ui, repo, dest, opts):
|
|
dest = ui.expandpath(dest or 'default-push', dest or 'default')
|
|
dest, branches = parseurl(dest, opts.get('branch'))
|
|
ui.status(_('comparing with %s\n') % util.hidepassword(dest))
|
|
revs, checkout = addbranchrevs(repo, repo, branches, opts.get('rev'))
|
|
if revs:
|
|
revs = [repo.lookup(rev) for rev in scmutil.revrange(repo, revs)]
|
|
|
|
other = peer(repo, opts, dest)
|
|
outgoing = discovery.findcommonoutgoing(repo, other, revs,
|
|
force=opts.get('force'))
|
|
o = outgoing.missing
|
|
if not o:
|
|
scmutil.nochangesfound(repo.ui, repo, outgoing.excluded)
|
|
return None
|
|
return o
|
|
|
|
def outgoing(ui, repo, dest, opts):
|
|
def recurse():
|
|
ret = 1
|
|
if opts.get('subrepos'):
|
|
ctx = repo[None]
|
|
for subpath in sorted(ctx.substate):
|
|
sub = ctx.sub(subpath)
|
|
ret = min(ret, sub.outgoing(ui, dest, opts))
|
|
return ret
|
|
|
|
limit = cmdutil.loglimit(opts)
|
|
o = _outgoing(ui, repo, dest, opts)
|
|
if o is None:
|
|
return recurse()
|
|
|
|
if opts.get('newest_first'):
|
|
o.reverse()
|
|
displayer = cmdutil.show_changeset(ui, repo, opts)
|
|
count = 0
|
|
for n in o:
|
|
if limit is not None and count >= limit:
|
|
break
|
|
parents = [p for p in repo.changelog.parents(n) if p != nullid]
|
|
if opts.get('no_merges') and len(parents) == 2:
|
|
continue
|
|
count += 1
|
|
displayer.show(repo[n])
|
|
displayer.close()
|
|
recurse()
|
|
return 0 # exit code is zero since we found outgoing changes
|
|
|
|
def revert(repo, node, choose):
|
|
"""revert changes to revision in node without updating dirstate"""
|
|
return mergemod.update(repo, node, False, True, choose)[3] > 0
|
|
|
|
def verify(repo):
|
|
"""verify the consistency of a repository"""
|
|
return verifymod.verify(repo)
|
|
|
|
def remoteui(src, opts):
|
|
'build a remote ui from ui or repo and opts'
|
|
if util.safehasattr(src, 'baseui'): # looks like a repository
|
|
dst = src.baseui.copy() # drop repo-specific config
|
|
src = src.ui # copy target options from repo
|
|
else: # assume it's a global ui object
|
|
dst = src.copy() # keep all global options
|
|
|
|
# copy ssh-specific options
|
|
for o in 'ssh', 'remotecmd':
|
|
v = opts.get(o) or src.config('ui', o)
|
|
if v:
|
|
dst.setconfig("ui", o, v)
|
|
|
|
# copy bundle-specific options
|
|
r = src.config('bundle', 'mainreporoot')
|
|
if r:
|
|
dst.setconfig('bundle', 'mainreporoot', r)
|
|
|
|
# copy selected local settings to the remote ui
|
|
for sect in ('auth', 'hostfingerprints', 'http_proxy'):
|
|
for key, val in src.configitems(sect):
|
|
dst.setconfig(sect, key, val)
|
|
v = src.config('web', 'cacerts')
|
|
if v:
|
|
dst.setconfig('web', 'cacerts', util.expandpath(v))
|
|
|
|
return dst
|