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# Subversion 1.4/1.5 Python API backend
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#
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# Copyright(C) 2007 Daniel Holth et al
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import os
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import re
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import sys
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import cPickle as pickle
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import tempfile
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import urllib
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import urllib2
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from mercurial import strutil, util, encoding
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from mercurial.i18n import _
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# Subversion stuff. Works best with very recent Python SVN bindings
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# e.g. SVN 1.5 or backports. Thanks to the bzr folks for enhancing
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# these bindings.
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from cStringIO import StringIO
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from common import NoRepo, MissingTool, commit, encodeargs, decodeargs
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from common import commandline, converter_source, converter_sink, mapfile
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try:
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from svn.core import SubversionException, Pool
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import svn
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import svn.client
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import svn.core
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import svn.ra
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import svn.delta
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import transport
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import warnings
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warnings.filterwarnings('ignore',
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module='svn.core',
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category=DeprecationWarning)
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except ImportError:
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pass
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class SvnPathNotFound(Exception):
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pass
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def geturl(path):
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try:
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return svn.client.url_from_path(svn.core.svn_path_canonicalize(path))
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except SubversionException:
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pass
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if os.path.isdir(path):
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path = os.path.normpath(os.path.abspath(path))
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if os.name == 'nt':
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path = '/' + util.normpath(path)
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# Module URL is later compared with the repository URL returned
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# by svn API, which is UTF-8.
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path = encoding.tolocal(path)
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return 'file://%s' % urllib.quote(path)
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return path
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def optrev(number):
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optrev = svn.core.svn_opt_revision_t()
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optrev.kind = svn.core.svn_opt_revision_number
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optrev.value.number = number
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return optrev
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class changedpath(object):
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def __init__(self, p):
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self.copyfrom_path = p.copyfrom_path
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self.copyfrom_rev = p.copyfrom_rev
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self.action = p.action
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def get_log_child(fp, url, paths, start, end, limit=0, discover_changed_paths=True,
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strict_node_history=False):
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protocol = -1
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def receiver(orig_paths, revnum, author, date, message, pool):
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if orig_paths is not None:
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for k, v in orig_paths.iteritems():
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orig_paths[k] = changedpath(v)
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pickle.dump((orig_paths, revnum, author, date, message),
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fp, protocol)
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try:
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# Use an ra of our own so that our parent can consume
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# our results without confusing the server.
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t = transport.SvnRaTransport(url=url)
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svn.ra.get_log(t.ra, paths, start, end, limit,
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discover_changed_paths,
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strict_node_history,
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receiver)
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except SubversionException, (inst, num):
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pickle.dump(num, fp, protocol)
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except IOError:
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# Caller may interrupt the iteration
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pickle.dump(None, fp, protocol)
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else:
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pickle.dump(None, fp, protocol)
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fp.close()
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# With large history, cleanup process goes crazy and suddenly
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# consumes *huge* amount of memory. The output file being closed,
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# there is no need for clean termination.
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os._exit(0)
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def debugsvnlog(ui, **opts):
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"""Fetch SVN log in a subprocess and channel them back to parent to
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avoid memory collection issues.
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"""
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util.set_binary(sys.stdin)
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util.set_binary(sys.stdout)
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args = decodeargs(sys.stdin.read())
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get_log_child(sys.stdout, *args)
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class logstream(object):
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"""Interruptible revision log iterator."""
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def __init__(self, stdout):
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self._stdout = stdout
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def __iter__(self):
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while True:
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try:
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entry = pickle.load(self._stdout)
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except EOFError:
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raise util.Abort(_('Mercurial failed to run itself, check'
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' hg executable is in PATH'))
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try:
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orig_paths, revnum, author, date, message = entry
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except:
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if entry is None:
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break
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raise SubversionException("child raised exception", entry)
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yield entry
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def close(self):
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if self._stdout:
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self._stdout.close()
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self._stdout = None
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# Check to see if the given path is a local Subversion repo. Verify this by
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# looking for several svn-specific files and directories in the given
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# directory.
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def filecheck(ui, path, proto):
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for x in ('locks', 'hooks', 'format', 'db'):
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if not os.path.exists(os.path.join(path, x)):
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return False
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return True
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# Check to see if a given path is the root of an svn repo over http. We verify
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# this by requesting a version-controlled URL we know can't exist and looking
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# for the svn-specific "not found" XML.
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def httpcheck(ui, path, proto):
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try:
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opener = urllib2.build_opener()
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rsp = opener.open('%s://%s/!svn/ver/0/.svn' % (proto, path))
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data = rsp.read()
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except urllib2.HTTPError, inst:
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if inst.code != 404:
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# Except for 404 we cannot know for sure this is not an svn repo
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ui.warn(_('svn: cannot probe remote repository, assume it could '
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'be a subversion repository. Use --source-type if you '
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'know better.\n'))
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return True
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data = inst.fp.read()
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except:
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# Could be urllib2.URLError if the URL is invalid or anything else.
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return False
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return '<m:human-readable errcode="160013">' in data
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protomap = {'http': httpcheck,
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'https': httpcheck,
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'file': filecheck,
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}
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def issvnurl(ui, url):
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try:
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proto, path = url.split('://', 1)
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if proto == 'file':
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path = urllib.url2pathname(path)
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except ValueError:
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proto = 'file'
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path = os.path.abspath(url)
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if proto == 'file':
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path = path.replace(os.sep, '/')
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check = protomap.get(proto, lambda *args: False)
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while '/' in path:
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if check(ui, path, proto):
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return True
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path = path.rsplit('/', 1)[0]
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return False
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# SVN conversion code stolen from bzr-svn and tailor
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#
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# Subversion looks like a versioned filesystem, branches structures
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# are defined by conventions and not enforced by the tool. First,
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# we define the potential branches (modules) as "trunk" and "branches"
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# children directories. Revisions are then identified by their
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# module and revision number (and a repository identifier).
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#
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# The revision graph is really a tree (or a forest). By default, a
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# revision parent is the previous revision in the same module. If the
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# module directory is copied/moved from another module then the
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# revision is the module root and its parent the source revision in
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# the parent module. A revision has at most one parent.
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#
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class svn_source(converter_source):
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def __init__(self, ui, url, rev=None):
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super(svn_source, self).__init__(ui, url, rev=rev)
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if not (url.startswith('svn://') or url.startswith('svn+ssh://') or
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(os.path.exists(url) and
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os.path.exists(os.path.join(url, '.svn'))) or
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issvnurl(ui, url)):
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raise NoRepo(_("%s does not look like a Subversion repository")
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% url)
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try:
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SubversionException
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except NameError:
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raise MissingTool(_('Subversion python bindings could not be loaded'))
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try:
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version = svn.core.SVN_VER_MAJOR, svn.core.SVN_VER_MINOR
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if version < (1, 4):
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raise MissingTool(_('Subversion python bindings %d.%d found, '
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'1.4 or later required') % version)
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except AttributeError:
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raise MissingTool(_('Subversion python bindings are too old, 1.4 '
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'or later required'))
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self.lastrevs = {}
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latest = None
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try:
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# Support file://path@rev syntax. Useful e.g. to convert
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# deleted branches.
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at = url.rfind('@')
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if at >= 0:
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latest = int(url[at + 1:])
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url = url[:at]
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except ValueError:
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pass
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self.url = geturl(url)
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self.encoding = 'UTF-8' # Subversion is always nominal UTF-8
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try:
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self.transport = transport.SvnRaTransport(url=self.url)
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self.ra = self.transport.ra
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self.ctx = self.transport.client
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self.baseurl = svn.ra.get_repos_root(self.ra)
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# Module is either empty or a repository path starting with
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# a slash and not ending with a slash.
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self.module = urllib.unquote(self.url[len(self.baseurl):])
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self.prevmodule = None
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self.rootmodule = self.module
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self.commits = {}
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self.paths = {}
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self.uuid = svn.ra.get_uuid(self.ra)
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except SubversionException:
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ui.traceback()
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raise NoRepo(_("%s does not look like a Subversion repository")
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% self.url)
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if rev:
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try:
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latest = int(rev)
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except ValueError:
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raise util.Abort(_('svn: revision %s is not an integer') % rev)
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self.startrev = self.ui.config('convert', 'svn.startrev', default=0)
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try:
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self.startrev = int(self.startrev)
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if self.startrev < 0:
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self.startrev = 0
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except ValueError:
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raise util.Abort(_('svn: start revision %s is not an integer')
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% self.startrev)
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self.head = self.latest(self.module, latest)
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if not self.head:
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raise util.Abort(_('no revision found in module %s')
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% self.module)
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self.last_changed = self.revnum(self.head)
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self._changescache = None
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if os.path.exists(os.path.join(url, '.svn/entries')):
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self.wc = url
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else:
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self.wc = None
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self.convertfp = None
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def setrevmap(self, revmap):
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lastrevs = {}
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for revid in revmap.iterkeys():
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uuid, module, revnum = self.revsplit(revid)
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lastrevnum = lastrevs.setdefault(module, revnum)
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if revnum > lastrevnum:
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lastrevs[module] = revnum
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self.lastrevs = lastrevs
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def exists(self, path, optrev):
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try:
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svn.client.ls(self.url.rstrip('/') + '/' + urllib.quote(path),
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optrev, False, self.ctx)
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return True
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except SubversionException:
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return False
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def getheads(self):
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def isdir(path, revnum):
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kind = self._checkpath(path, revnum)
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return kind == svn.core.svn_node_dir
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def getcfgpath(name, rev):
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cfgpath = self.ui.config('convert', 'svn.' + name)
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if cfgpath is not None and cfgpath.strip() == '':
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return None
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path = (cfgpath or name).strip('/')
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if not self.exists(path, rev):
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if cfgpath:
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raise util.Abort(_('expected %s to be at %r, but not found')
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% (name, path))
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return None
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self.ui.note(_('found %s at %r\n') % (name, path))
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return path
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rev = optrev(self.last_changed)
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oldmodule = ''
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trunk = getcfgpath('trunk', rev)
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self.tags = getcfgpath('tags', rev)
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branches = getcfgpath('branches', rev)
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# If the project has a trunk or branches, we will extract heads
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# from them. We keep the project root otherwise.
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if trunk:
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oldmodule = self.module or ''
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self.module += '/' + trunk
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self.head = self.latest(self.module, self.last_changed)
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if not self.head:
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raise util.Abort(_('no revision found in module %s')
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% self.module)
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# First head in the list is the module's head
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self.heads = [self.head]
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if self.tags is not None:
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self.tags = '%s/%s' % (oldmodule , (self.tags or 'tags'))
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# Check if branches bring a few more heads to the list
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if branches:
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rpath = self.url.strip('/')
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branchnames = svn.client.ls(rpath + '/' + urllib.quote(branches),
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rev, False, self.ctx)
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for branch in branchnames.keys():
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module = '%s/%s/%s' % (oldmodule, branches, branch)
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if not isdir(module, self.last_changed):
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continue
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brevid = self.latest(module, self.last_changed)
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if not brevid:
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self.ui.note(_('ignoring empty branch %s\n') % branch)
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continue
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self.ui.note(_('found branch %s at %d\n') %
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(branch, self.revnum(brevid)))
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self.heads.append(brevid)
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if self.startrev and self.heads:
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if len(self.heads) > 1:
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raise util.Abort(_('svn: start revision is not supported '
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'with more than one branch'))
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revnum = self.revnum(self.heads[0])
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if revnum < self.startrev:
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raise util.Abort(
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_('svn: no revision found after start revision %d')
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% self.startrev)
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return self.heads
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def getchanges(self, rev):
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if self._changescache and self._changescache[0] == rev:
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return self._changescache[1]
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self._changescache = None
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(paths, parents) = self.paths[rev]
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if parents:
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files, self.removed, copies = self.expandpaths(rev, paths, parents)
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else:
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# Perform a full checkout on roots
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uuid, module, revnum = self.revsplit(rev)
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entries = svn.client.ls(self.baseurl + urllib.quote(module),
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optrev(revnum), True, self.ctx)
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files = [n for n, e in entries.iteritems()
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if e.kind == svn.core.svn_node_file]
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copies = {}
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self.removed = set()
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files.sort()
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files = zip(files, [rev] * len(files))
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# caller caches the result, so free it here to release memory
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del self.paths[rev]
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return (files, copies)
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def getchangedfiles(self, rev, i):
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changes = self.getchanges(rev)
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self._changescache = (rev, changes)
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return [f[0] for f in changes[0]]
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def getcommit(self, rev):
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if rev not in self.commits:
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uuid, module, revnum = self.revsplit(rev)
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self.module = module
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self.reparent(module)
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# We assume that:
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# - requests for revisions after "stop" come from the
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# revision graph backward traversal. Cache all of them
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# down to stop, they will be used eventually.
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# - requests for revisions before "stop" come to get
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# isolated branches parents. Just fetch what is needed.
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stop = self.lastrevs.get(module, 0)
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if revnum < stop:
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stop = revnum + 1
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self._fetch_revisions(revnum, stop)
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commit = self.commits[rev]
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# caller caches the result, so free it here to release memory
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del self.commits[rev]
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return commit
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def gettags(self):
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tags = {}
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if self.tags is None:
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return tags
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# svn tags are just a convention, project branches left in a
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|
|
# 'tags' directory. There is no other relationship than
|
|
|
# ancestry, which is expensive to discover and makes them hard
|
|
|
# to update incrementally. Worse, past revisions may be
|
|
|
# referenced by tags far away in the future, requiring a deep
|
|
|
# history traversal on every calculation. Current code
|
|
|
# performs a single backward traversal, tracking moves within
|
|
|
# the tags directory (tag renaming) and recording a new tag
|
|
|
# everytime a project is copied from outside the tags
|
|
|
# directory. It also lists deleted tags, this behaviour may
|
|
|
# change in the future.
|
|
|
pendings = []
|
|
|
tagspath = self.tags
|
|
|
start = svn.ra.get_latest_revnum(self.ra)
|
|
|
stream = self._getlog([self.tags], start, self.startrev)
|
|
|
try:
|
|
|
for entry in stream:
|
|
|
origpaths, revnum, author, date, message = entry
|
|
|
copies = [(e.copyfrom_path, e.copyfrom_rev, p) for p, e
|
|
|
in origpaths.iteritems() if e.copyfrom_path]
|
|
|
# Apply moves/copies from more specific to general
|
|
|
copies.sort(reverse=True)
|
|
|
|
|
|
srctagspath = tagspath
|
|
|
if copies and copies[-1][2] == tagspath:
|
|
|
# Track tags directory moves
|
|
|
srctagspath = copies.pop()[0]
|
|
|
|
|
|
for source, sourcerev, dest in copies:
|
|
|
if not dest.startswith(tagspath + '/'):
|
|
|
continue
|
|
|
for tag in pendings:
|
|
|
if tag[0].startswith(dest):
|
|
|
tagpath = source + tag[0][len(dest):]
|
|
|
tag[:2] = [tagpath, sourcerev]
|
|
|
break
|
|
|
else:
|
|
|
pendings.append([source, sourcerev, dest])
|
|
|
|
|
|
# Filter out tags with children coming from different
|
|
|
# parts of the repository like:
|
|
|
# /tags/tag.1 (from /trunk:10)
|
|
|
# /tags/tag.1/foo (from /branches/foo:12)
|
|
|
# Here/tags/tag.1 discarded as well as its children.
|
|
|
# It happens with tools like cvs2svn. Such tags cannot
|
|
|
# be represented in mercurial.
|
|
|
addeds = dict((p, e.copyfrom_path) for p, e
|
|
|
in origpaths.iteritems()
|
|
|
if e.action == 'A' and e.copyfrom_path)
|
|
|
badroots = set()
|
|
|
for destroot in addeds:
|
|
|
for source, sourcerev, dest in pendings:
|
|
|
if (not dest.startswith(destroot + '/')
|
|
|
or source.startswith(addeds[destroot] + '/')):
|
|
|
continue
|
|
|
badroots.add(destroot)
|
|
|
break
|
|
|
|
|
|
for badroot in badroots:
|
|
|
pendings = [p for p in pendings if p[2] != badroot
|
|
|
and not p[2].startswith(badroot + '/')]
|
|
|
|
|
|
# Tell tag renamings from tag creations
|
|
|
remainings = []
|
|
|
for source, sourcerev, dest in pendings:
|
|
|
tagname = dest.split('/')[-1]
|
|
|
if source.startswith(srctagspath):
|
|
|
remainings.append([source, sourcerev, tagname])
|
|
|
continue
|
|
|
if tagname in tags:
|
|
|
# Keep the latest tag value
|
|
|
continue
|
|
|
# From revision may be fake, get one with changes
|
|
|
try:
|
|
|
tagid = self.latest(source, sourcerev)
|
|
|
if tagid and tagname not in tags:
|
|
|
tags[tagname] = tagid
|
|
|
except SvnPathNotFound:
|
|
|
# It happens when we are following directories
|
|
|
# we assumed were copied with their parents
|
|
|
# but were really created in the tag
|
|
|
# directory.
|
|
|
pass
|
|
|
pendings = remainings
|
|
|
tagspath = srctagspath
|
|
|
finally:
|
|
|
stream.close()
|
|
|
return tags
|
|
|
|
|
|
def converted(self, rev, destrev):
|
|
|
if not self.wc:
|
|
|
return
|
|
|
if self.convertfp is None:
|
|
|
self.convertfp = open(os.path.join(self.wc, '.svn', 'hg-shamap'),
|
|
|
'a')
|
|
|
self.convertfp.write('%s %d\n' % (destrev, self.revnum(rev)))
|
|
|
self.convertfp.flush()
|
|
|
|
|
|
def revid(self, revnum, module=None):
|
|
|
return 'svn:%s%s@%s' % (self.uuid, module or self.module, revnum)
|
|
|
|
|
|
def revnum(self, rev):
|
|
|
return int(rev.split('@')[-1])
|
|
|
|
|
|
def revsplit(self, rev):
|
|
|
url, revnum = rev.rsplit('@', 1)
|
|
|
revnum = int(revnum)
|
|
|
parts = url.split('/', 1)
|
|
|
uuid = parts.pop(0)[4:]
|
|
|
mod = ''
|
|
|
if parts:
|
|
|
mod = '/' + parts[0]
|
|
|
return uuid, mod, revnum
|
|
|
|
|
|
def latest(self, path, stop=0):
|
|
|
"""Find the latest revid affecting path, up to stop. It may return
|
|
|
a revision in a different module, since a branch may be moved without
|
|
|
a change being reported. Return None if computed module does not
|
|
|
belong to rootmodule subtree.
|
|
|
"""
|
|
|
if not path.startswith(self.rootmodule):
|
|
|
# Requests on foreign branches may be forbidden at server level
|
|
|
self.ui.debug('ignoring foreign branch %r\n' % path)
|
|
|
return None
|
|
|
|
|
|
if not stop:
|
|
|
stop = svn.ra.get_latest_revnum(self.ra)
|
|
|
try:
|
|
|
prevmodule = self.reparent('')
|
|
|
dirent = svn.ra.stat(self.ra, path.strip('/'), stop)
|
|
|
self.reparent(prevmodule)
|
|
|
except SubversionException:
|
|
|
dirent = None
|
|
|
if not dirent:
|
|
|
raise SvnPathNotFound(_('%s not found up to revision %d')
|
|
|
% (path, stop))
|
|
|
|
|
|
# stat() gives us the previous revision on this line of
|
|
|
# development, but it might be in *another module*. Fetch the
|
|
|
# log and detect renames down to the latest revision.
|
|
|
stream = self._getlog([path], stop, dirent.created_rev)
|
|
|
try:
|
|
|
for entry in stream:
|
|
|
paths, revnum, author, date, message = entry
|
|
|
if revnum <= dirent.created_rev:
|
|
|
break
|
|
|
|
|
|
for p in paths:
|
|
|
if not path.startswith(p) or not paths[p].copyfrom_path:
|
|
|
continue
|
|
|
newpath = paths[p].copyfrom_path + path[len(p):]
|
|
|
self.ui.debug("branch renamed from %s to %s at %d\n" %
|
|
|
(path, newpath, revnum))
|
|
|
path = newpath
|
|
|
break
|
|
|
finally:
|
|
|
stream.close()
|
|
|
|
|
|
if not path.startswith(self.rootmodule):
|
|
|
self.ui.debug('ignoring foreign branch %r\n' % path)
|
|
|
return None
|
|
|
return self.revid(dirent.created_rev, path)
|
|
|
|
|
|
def reparent(self, module):
|
|
|
"""Reparent the svn transport and return the previous parent."""
|
|
|
if self.prevmodule == module:
|
|
|
return module
|
|
|
svnurl = self.baseurl + urllib.quote(module)
|
|
|
prevmodule = self.prevmodule
|
|
|
if prevmodule is None:
|
|
|
prevmodule = ''
|
|
|
self.ui.debug("reparent to %s\n" % svnurl)
|
|
|
svn.ra.reparent(self.ra, svnurl)
|
|
|
self.prevmodule = module
|
|
|
return prevmodule
|
|
|
|
|
|
def expandpaths(self, rev, paths, parents):
|
|
|
changed, removed = set(), set()
|
|
|
copies = {}
|
|
|
|
|
|
new_module, revnum = self.revsplit(rev)[1:]
|
|
|
if new_module != self.module:
|
|
|
self.module = new_module
|
|
|
self.reparent(self.module)
|
|
|
|
|
|
for i, (path, ent) in enumerate(paths):
|
|
|
self.ui.progress(_('scanning paths'), i, item=path,
|
|
|
total=len(paths))
|
|
|
entrypath = self.getrelpath(path)
|
|
|
|
|
|
kind = self._checkpath(entrypath, revnum)
|
|
|
if kind == svn.core.svn_node_file:
|
|
|
changed.add(self.recode(entrypath))
|
|
|
if not ent.copyfrom_path or not parents:
|
|
|
continue
|
|
|
# Copy sources not in parent revisions cannot be
|
|
|
# represented, ignore their origin for now
|
|
|
pmodule, prevnum = self.revsplit(parents[0])[1:]
|
|
|
if ent.copyfrom_rev < prevnum:
|
|
|
continue
|
|
|
copyfrom_path = self.getrelpath(ent.copyfrom_path, pmodule)
|
|
|
if not copyfrom_path:
|
|
|
continue
|
|
|
self.ui.debug("copied to %s from %s@%s\n" %
|
|
|
(entrypath, copyfrom_path, ent.copyfrom_rev))
|
|
|
copies[self.recode(entrypath)] = self.recode(copyfrom_path)
|
|
|
elif kind == 0: # gone, but had better be a deleted *file*
|
|
|
self.ui.debug("gone from %s\n" % ent.copyfrom_rev)
|
|
|
pmodule, prevnum = self.revsplit(parents[0])[1:]
|
|
|
parentpath = pmodule + "/" + entrypath
|
|
|
fromkind = self._checkpath(entrypath, prevnum, pmodule)
|
|
|
|
|
|
if fromkind == svn.core.svn_node_file:
|
|
|
removed.add(self.recode(entrypath))
|
|
|
elif fromkind == svn.core.svn_node_dir:
|
|
|
oroot = parentpath.strip('/')
|
|
|
nroot = path.strip('/')
|
|
|
children = self._iterfiles(oroot, prevnum)
|
|
|
for childpath in children:
|
|
|
childpath = childpath.replace(oroot, nroot)
|
|
|
childpath = self.getrelpath("/" + childpath, pmodule)
|
|
|
if childpath:
|
|
|
removed.add(self.recode(childpath))
|
|
|
else:
|
|
|
self.ui.debug('unknown path in revision %d: %s\n' % \
|
|
|
(revnum, path))
|
|
|
elif kind == svn.core.svn_node_dir:
|
|
|
if ent.action == 'M':
|
|
|
# If the directory just had a prop change,
|
|
|
# then we shouldn't need to look for its children.
|
|
|
continue
|
|
|
elif ent.action == 'R' and parents:
|
|
|
# If a directory is replacing a file, mark the previous
|
|
|
# file as deleted
|
|
|
pmodule, prevnum = self.revsplit(parents[0])[1:]
|
|
|
pkind = self._checkpath(entrypath, prevnum, pmodule)
|
|
|
if pkind == svn.core.svn_node_file:
|
|
|
removed.add(self.recode(entrypath))
|
|
|
|
|
|
for childpath in self._iterfiles(path, revnum):
|
|
|
childpath = self.getrelpath("/" + childpath)
|
|
|
if childpath:
|
|
|
changed.add(self.recode(childpath))
|
|
|
|
|
|
# Handle directory copies
|
|
|
if not ent.copyfrom_path or not parents:
|
|
|
continue
|
|
|
# Copy sources not in parent revisions cannot be
|
|
|
# represented, ignore their origin for now
|
|
|
pmodule, prevnum = self.revsplit(parents[0])[1:]
|
|
|
if ent.copyfrom_rev < prevnum:
|
|
|
continue
|
|
|
copyfrompath = self.getrelpath(ent.copyfrom_path, pmodule)
|
|
|
if not copyfrompath:
|
|
|
continue
|
|
|
self.ui.debug("mark %s came from %s:%d\n"
|
|
|
% (path, copyfrompath, ent.copyfrom_rev))
|
|
|
children = self._iterfiles(ent.copyfrom_path, ent.copyfrom_rev)
|
|
|
for childpath in children:
|
|
|
childpath = self.getrelpath("/" + childpath, pmodule)
|
|
|
if not childpath:
|
|
|
continue
|
|
|
copytopath = path + childpath[len(copyfrompath):]
|
|
|
copytopath = self.getrelpath(copytopath)
|
|
|
copies[self.recode(copytopath)] = self.recode(childpath)
|
|
|
|
|
|
self.ui.progress(_('scanning paths'), None)
|
|
|
changed.update(removed)
|
|
|
return (list(changed), removed, copies)
|
|
|
|
|
|
def _fetch_revisions(self, from_revnum, to_revnum):
|
|
|
if from_revnum < to_revnum:
|
|
|
from_revnum, to_revnum = to_revnum, from_revnum
|
|
|
|
|
|
self.child_cset = None
|
|
|
|
|
|
def parselogentry(orig_paths, revnum, author, date, message):
|
|
|
"""Return the parsed commit object or None, and True if
|
|
|
the revision is a branch root.
|
|
|
"""
|
|
|
self.ui.debug("parsing revision %d (%d changes)\n" %
|
|
|
(revnum, len(orig_paths)))
|
|
|
|
|
|
branched = False
|
|
|
rev = self.revid(revnum)
|
|
|
# branch log might return entries for a parent we already have
|
|
|
|
|
|
if rev in self.commits or revnum < to_revnum:
|
|
|
return None, branched
|
|
|
|
|
|
parents = []
|
|
|
# check whether this revision is the start of a branch or part
|
|
|
# of a branch renaming
|
|
|
orig_paths = sorted(orig_paths.iteritems())
|
|
|
root_paths = [(p, e) for p, e in orig_paths
|
|
|
if self.module.startswith(p)]
|
|
|
if root_paths:
|
|
|
path, ent = root_paths[-1]
|
|
|
if ent.copyfrom_path:
|
|
|
branched = True
|
|
|
newpath = ent.copyfrom_path + self.module[len(path):]
|
|
|
# ent.copyfrom_rev may not be the actual last revision
|
|
|
previd = self.latest(newpath, ent.copyfrom_rev)
|
|
|
if previd is not None:
|
|
|
prevmodule, prevnum = self.revsplit(previd)[1:]
|
|
|
if prevnum >= self.startrev:
|
|
|
parents = [previd]
|
|
|
self.ui.note(
|
|
|
_('found parent of branch %s at %d: %s\n') %
|
|
|
(self.module, prevnum, prevmodule))
|
|
|
else:
|
|
|
self.ui.debug("no copyfrom path, don't know what to do.\n")
|
|
|
|
|
|
paths = []
|
|
|
# filter out unrelated paths
|
|
|
for path, ent in orig_paths:
|
|
|
if self.getrelpath(path) is None:
|
|
|
continue
|
|
|
paths.append((path, ent))
|
|
|
|
|
|
# Example SVN datetime. Includes microseconds.
|
|
|
# ISO-8601 conformant
|
|
|
# '2007-01-04T17:35:00.902377Z'
|
|
|
date = util.parsedate(date[:19] + " UTC", ["%Y-%m-%dT%H:%M:%S"])
|
|
|
|
|
|
log = message and self.recode(message) or ''
|
|
|
author = author and self.recode(author) or ''
|
|
|
try:
|
|
|
branch = self.module.split("/")[-1]
|
|
|
if branch == 'trunk':
|
|
|
branch = ''
|
|
|
except IndexError:
|
|
|
branch = None
|
|
|
|
|
|
cset = commit(author=author,
|
|
|
date=util.datestr(date),
|
|
|
desc=log,
|
|
|
parents=parents,
|
|
|
branch=branch,
|
|
|
rev=rev)
|
|
|
|
|
|
self.commits[rev] = cset
|
|
|
# The parents list is *shared* among self.paths and the
|
|
|
# commit object. Both will be updated below.
|
|
|
self.paths[rev] = (paths, cset.parents)
|
|
|
if self.child_cset and not self.child_cset.parents:
|
|
|
self.child_cset.parents[:] = [rev]
|
|
|
self.child_cset = cset
|
|
|
return cset, branched
|
|
|
|
|
|
self.ui.note(_('fetching revision log for "%s" from %d to %d\n') %
|
|
|
(self.module, from_revnum, to_revnum))
|
|
|
|
|
|
try:
|
|
|
firstcset = None
|
|
|
lastonbranch = False
|
|
|
stream = self._getlog([self.module], from_revnum, to_revnum)
|
|
|
try:
|
|
|
for entry in stream:
|
|
|
paths, revnum, author, date, message = entry
|
|
|
if revnum < self.startrev:
|
|
|
lastonbranch = True
|
|
|
break
|
|
|
if not paths:
|
|
|
self.ui.debug('revision %d has no entries\n' % revnum)
|
|
|
# If we ever leave the loop on an empty
|
|
|
# revision, do not try to get a parent branch
|
|
|
lastonbranch = lastonbranch or revnum == 0
|
|
|
continue
|
|
|
cset, lastonbranch = parselogentry(paths, revnum, author,
|
|
|
date, message)
|
|
|
if cset:
|
|
|
firstcset = cset
|
|
|
if lastonbranch:
|
|
|
break
|
|
|
finally:
|
|
|
stream.close()
|
|
|
|
|
|
if not lastonbranch and firstcset and not firstcset.parents:
|
|
|
# The first revision of the sequence (the last fetched one)
|
|
|
# has invalid parents if not a branch root. Find the parent
|
|
|
# revision now, if any.
|
|
|
try:
|
|
|
firstrevnum = self.revnum(firstcset.rev)
|
|
|
if firstrevnum > 1:
|
|
|
latest = self.latest(self.module, firstrevnum - 1)
|
|
|
if latest:
|
|
|
firstcset.parents.append(latest)
|
|
|
except SvnPathNotFound:
|
|
|
pass
|
|
|
except SubversionException, (inst, num):
|
|
|
if num == svn.core.SVN_ERR_FS_NO_SUCH_REVISION:
|
|
|
raise util.Abort(_('svn: branch has no revision %s') % to_revnum)
|
|
|
raise
|
|
|
|
|
|
def getfile(self, file, rev):
|
|
|
# TODO: ra.get_file transmits the whole file instead of diffs.
|
|
|
if file in self.removed:
|
|
|
raise IOError()
|
|
|
mode = ''
|
|
|
try:
|
|
|
new_module, revnum = self.revsplit(rev)[1:]
|
|
|
if self.module != new_module:
|
|
|
self.module = new_module
|
|
|
self.reparent(self.module)
|
|
|
io = StringIO()
|
|
|
info = svn.ra.get_file(self.ra, file, revnum, io)
|
|
|
data = io.getvalue()
|
|
|
# ra.get_files() seems to keep a reference on the input buffer
|
|
|
# preventing collection. Release it explicitely.
|
|
|
io.close()
|
|
|
if isinstance(info, list):
|
|
|
info = info[-1]
|
|
|
mode = ("svn:executable" in info) and 'x' or ''
|
|
|
mode = ("svn:special" in info) and 'l' or mode
|
|
|
except SubversionException, e:
|
|
|
notfound = (svn.core.SVN_ERR_FS_NOT_FOUND,
|
|
|
svn.core.SVN_ERR_RA_DAV_PATH_NOT_FOUND)
|
|
|
if e.apr_err in notfound: # File not found
|
|
|
raise IOError()
|
|
|
raise
|
|
|
if mode == 'l':
|
|
|
link_prefix = "link "
|
|
|
if data.startswith(link_prefix):
|
|
|
data = data[len(link_prefix):]
|
|
|
return data, mode
|
|
|
|
|
|
def _iterfiles(self, path, revnum):
|
|
|
"""Enumerate all files in path at revnum, recursively."""
|
|
|
path = path.strip('/')
|
|
|
pool = Pool()
|
|
|
rpath = '/'.join([self.baseurl, urllib.quote(path)]).strip('/')
|
|
|
entries = svn.client.ls(rpath, optrev(revnum), True, self.ctx, pool)
|
|
|
return ((path + '/' + p) for p, e in entries.iteritems()
|
|
|
if e.kind == svn.core.svn_node_file)
|
|
|
|
|
|
def getrelpath(self, path, module=None):
|
|
|
if module is None:
|
|
|
module = self.module
|
|
|
# Given the repository url of this wc, say
|
|
|
# "http://server/plone/CMFPlone/branches/Plone-2_0-branch"
|
|
|
# extract the "entry" portion (a relative path) from what
|
|
|
# svn log --xml says, ie
|
|
|
# "/CMFPlone/branches/Plone-2_0-branch/tests/PloneTestCase.py"
|
|
|
# that is to say "tests/PloneTestCase.py"
|
|
|
if path.startswith(module):
|
|
|
relative = path.rstrip('/')[len(module):]
|
|
|
if relative.startswith('/'):
|
|
|
return relative[1:]
|
|
|
elif relative == '':
|
|
|
return relative
|
|
|
|
|
|
# The path is outside our tracked tree...
|
|
|
self.ui.debug('%r is not under %r, ignoring\n' % (path, module))
|
|
|
return None
|
|
|
|
|
|
def _checkpath(self, path, revnum, module=None):
|
|
|
if module is not None:
|
|
|
prevmodule = self.reparent('')
|
|
|
path = module + '/' + path
|
|
|
try:
|
|
|
# ra.check_path does not like leading slashes very much, it leads
|
|
|
# to PROPFIND subversion errors
|
|
|
return svn.ra.check_path(self.ra, path.strip('/'), revnum)
|
|
|
finally:
|
|
|
if module is not None:
|
|
|
self.reparent(prevmodule)
|
|
|
|
|
|
def _getlog(self, paths, start, end, limit=0, discover_changed_paths=True,
|
|
|
strict_node_history=False):
|
|
|
# Normalize path names, svn >= 1.5 only wants paths relative to
|
|
|
# supplied URL
|
|
|
relpaths = []
|
|
|
for p in paths:
|
|
|
if not p.startswith('/'):
|
|
|
p = self.module + '/' + p
|
|
|
relpaths.append(p.strip('/'))
|
|
|
args = [self.baseurl, relpaths, start, end, limit, discover_changed_paths,
|
|
|
strict_node_history]
|
|
|
arg = encodeargs(args)
|
|
|
hgexe = util.hgexecutable()
|
|
|
cmd = '%s debugsvnlog' % util.shellquote(hgexe)
|
|
|
stdin, stdout = util.popen2(cmd)
|
|
|
stdin.write(arg)
|
|
|
try:
|
|
|
stdin.close()
|
|
|
except IOError:
|
|
|
raise util.Abort(_('Mercurial failed to run itself, check'
|
|
|
' hg executable is in PATH'))
|
|
|
return logstream(stdout)
|
|
|
|
|
|
pre_revprop_change = '''#!/bin/sh
|
|
|
|
|
|
REPOS="$1"
|
|
|
REV="$2"
|
|
|
USER="$3"
|
|
|
PROPNAME="$4"
|
|
|
ACTION="$5"
|
|
|
|
|
|
if [ "$ACTION" = "M" -a "$PROPNAME" = "svn:log" ]; then exit 0; fi
|
|
|
if [ "$ACTION" = "A" -a "$PROPNAME" = "hg:convert-branch" ]; then exit 0; fi
|
|
|
if [ "$ACTION" = "A" -a "$PROPNAME" = "hg:convert-rev" ]; then exit 0; fi
|
|
|
|
|
|
echo "Changing prohibited revision property" >&2
|
|
|
exit 1
|
|
|
'''
|
|
|
|
|
|
class svn_sink(converter_sink, commandline):
|
|
|
commit_re = re.compile(r'Committed revision (\d+).', re.M)
|
|
|
|
|
|
def prerun(self):
|
|
|
if self.wc:
|
|
|
os.chdir(self.wc)
|
|
|
|
|
|
def postrun(self):
|
|
|
if self.wc:
|
|
|
os.chdir(self.cwd)
|
|
|
|
|
|
def join(self, name):
|
|
|
return os.path.join(self.wc, '.svn', name)
|
|
|
|
|
|
def revmapfile(self):
|
|
|
return self.join('hg-shamap')
|
|
|
|
|
|
def authorfile(self):
|
|
|
return self.join('hg-authormap')
|
|
|
|
|
|
def __init__(self, ui, path):
|
|
|
converter_sink.__init__(self, ui, path)
|
|
|
commandline.__init__(self, ui, 'svn')
|
|
|
self.delete = []
|
|
|
self.setexec = []
|
|
|
self.delexec = []
|
|
|
self.copies = []
|
|
|
self.wc = None
|
|
|
self.cwd = os.getcwd()
|
|
|
|
|
|
path = os.path.realpath(path)
|
|
|
|
|
|
created = False
|
|
|
if os.path.isfile(os.path.join(path, '.svn', 'entries')):
|
|
|
self.wc = path
|
|
|
self.run0('update')
|
|
|
else:
|
|
|
wcpath = os.path.join(os.getcwd(), os.path.basename(path) + '-wc')
|
|
|
|
|
|
if os.path.isdir(os.path.dirname(path)):
|
|
|
if not os.path.exists(os.path.join(path, 'db', 'fs-type')):
|
|
|
ui.status(_('initializing svn repository %r\n') %
|
|
|
os.path.basename(path))
|
|
|
commandline(ui, 'svnadmin').run0('create', path)
|
|
|
created = path
|
|
|
path = util.normpath(path)
|
|
|
if not path.startswith('/'):
|
|
|
path = '/' + path
|
|
|
path = 'file://' + path
|
|
|
|
|
|
ui.status(_('initializing svn working copy %r\n')
|
|
|
% os.path.basename(wcpath))
|
|
|
self.run0('checkout', path, wcpath)
|
|
|
|
|
|
self.wc = wcpath
|
|
|
self.opener = util.opener(self.wc)
|
|
|
self.wopener = util.opener(self.wc)
|
|
|
self.childmap = mapfile(ui, self.join('hg-childmap'))
|
|
|
self.is_exec = util.checkexec(self.wc) and util.is_exec or None
|
|
|
|
|
|
if created:
|
|
|
hook = os.path.join(created, 'hooks', 'pre-revprop-change')
|
|
|
fp = open(hook, 'w')
|
|
|
fp.write(pre_revprop_change)
|
|
|
fp.close()
|
|
|
util.set_flags(hook, False, True)
|
|
|
|
|
|
xport = transport.SvnRaTransport(url=geturl(path))
|
|
|
self.uuid = svn.ra.get_uuid(xport.ra)
|
|
|
|
|
|
def wjoin(self, *names):
|
|
|
return os.path.join(self.wc, *names)
|
|
|
|
|
|
def putfile(self, filename, flags, data):
|
|
|
if 'l' in flags:
|
|
|
self.wopener.symlink(data, filename)
|
|
|
else:
|
|
|
try:
|
|
|
if os.path.islink(self.wjoin(filename)):
|
|
|
os.unlink(filename)
|
|
|
except OSError:
|
|
|
pass
|
|
|
self.wopener(filename, 'w').write(data)
|
|
|
|
|
|
if self.is_exec:
|
|
|
was_exec = self.is_exec(self.wjoin(filename))
|
|
|
else:
|
|
|
# On filesystems not supporting execute-bit, there is no way
|
|
|
# to know if it is set but asking subversion. Setting it
|
|
|
# systematically is just as expensive and much simpler.
|
|
|
was_exec = 'x' not in flags
|
|
|
|
|
|
util.set_flags(self.wjoin(filename), False, 'x' in flags)
|
|
|
if was_exec:
|
|
|
if 'x' not in flags:
|
|
|
self.delexec.append(filename)
|
|
|
else:
|
|
|
if 'x' in flags:
|
|
|
self.setexec.append(filename)
|
|
|
|
|
|
def _copyfile(self, source, dest):
|
|
|
# SVN's copy command pukes if the destination file exists, but
|
|
|
# our copyfile method expects to record a copy that has
|
|
|
# already occurred. Cross the semantic gap.
|
|
|
wdest = self.wjoin(dest)
|
|
|
exists = os.path.exists(wdest)
|
|
|
if exists:
|
|
|
fd, tempname = tempfile.mkstemp(
|
|
|
prefix='hg-copy-', dir=os.path.dirname(wdest))
|
|
|
os.close(fd)
|
|
|
os.unlink(tempname)
|
|
|
os.rename(wdest, tempname)
|
|
|
try:
|
|
|
self.run0('copy', source, dest)
|
|
|
finally:
|
|
|
if exists:
|
|
|
try:
|
|
|
os.unlink(wdest)
|
|
|
except OSError:
|
|
|
pass
|
|
|
os.rename(tempname, wdest)
|
|
|
|
|
|
def dirs_of(self, files):
|
|
|
dirs = set()
|
|
|
for f in files:
|
|
|
if os.path.isdir(self.wjoin(f)):
|
|
|
dirs.add(f)
|
|
|
for i in strutil.rfindall(f, '/'):
|
|
|
dirs.add(f[:i])
|
|
|
return dirs
|
|
|
|
|
|
def add_dirs(self, files):
|
|
|
add_dirs = [d for d in sorted(self.dirs_of(files))
|
|
|
if not os.path.exists(self.wjoin(d, '.svn', 'entries'))]
|
|
|
if add_dirs:
|
|
|
self.xargs(add_dirs, 'add', non_recursive=True, quiet=True)
|
|
|
return add_dirs
|
|
|
|
|
|
def add_files(self, files):
|
|
|
if files:
|
|
|
self.xargs(files, 'add', quiet=True)
|
|
|
return files
|
|
|
|
|
|
def tidy_dirs(self, names):
|
|
|
deleted = []
|
|
|
for d in sorted(self.dirs_of(names), reverse=True):
|
|
|
wd = self.wjoin(d)
|
|
|
if os.listdir(wd) == '.svn':
|
|
|
self.run0('delete', d)
|
|
|
deleted.append(d)
|
|
|
return deleted
|
|
|
|
|
|
def addchild(self, parent, child):
|
|
|
self.childmap[parent] = child
|
|
|
|
|
|
def revid(self, rev):
|
|
|
return u"svn:%s@%s" % (self.uuid, rev)
|
|
|
|
|
|
def putcommit(self, files, copies, parents, commit, source, revmap):
|
|
|
# Apply changes to working copy
|
|
|
for f, v in files:
|
|
|
try:
|
|
|
data, mode = source.getfile(f, v)
|
|
|
except IOError:
|
|
|
self.delete.append(f)
|
|
|
else:
|
|
|
self.putfile(f, mode, data)
|
|
|
if f in copies:
|
|
|
self.copies.append([copies[f], f])
|
|
|
files = [f[0] for f in files]
|
|
|
|
|
|
for parent in parents:
|
|
|
try:
|
|
|
return self.revid(self.childmap[parent])
|
|
|
except KeyError:
|
|
|
pass
|
|
|
entries = set(self.delete)
|
|
|
files = frozenset(files)
|
|
|
entries.update(self.add_dirs(files.difference(entries)))
|
|
|
if self.copies:
|
|
|
for s, d in self.copies:
|
|
|
self._copyfile(s, d)
|
|
|
self.copies = []
|
|
|
if self.delete:
|
|
|
self.xargs(self.delete, 'delete')
|
|
|
self.delete = []
|
|
|
entries.update(self.add_files(files.difference(entries)))
|
|
|
entries.update(self.tidy_dirs(entries))
|
|
|
if self.delexec:
|
|
|
self.xargs(self.delexec, 'propdel', 'svn:executable')
|
|
|
self.delexec = []
|
|
|
if self.setexec:
|
|
|
self.xargs(self.setexec, 'propset', 'svn:executable', '*')
|
|
|
self.setexec = []
|
|
|
|
|
|
fd, messagefile = tempfile.mkstemp(prefix='hg-convert-')
|
|
|
fp = os.fdopen(fd, 'w')
|
|
|
fp.write(commit.desc)
|
|
|
fp.close()
|
|
|
try:
|
|
|
output = self.run0('commit',
|
|
|
username=util.shortuser(commit.author),
|
|
|
file=messagefile,
|
|
|
encoding='utf-8')
|
|
|
try:
|
|
|
rev = self.commit_re.search(output).group(1)
|
|
|
except AttributeError:
|
|
|
if not files:
|
|
|
return parents[0]
|
|
|
self.ui.warn(_('unexpected svn output:\n'))
|
|
|
self.ui.warn(output)
|
|
|
raise util.Abort(_('unable to cope with svn output'))
|
|
|
if commit.rev:
|
|
|
self.run('propset', 'hg:convert-rev', commit.rev,
|
|
|
revprop=True, revision=rev)
|
|
|
if commit.branch and commit.branch != 'default':
|
|
|
self.run('propset', 'hg:convert-branch', commit.branch,
|
|
|
revprop=True, revision=rev)
|
|
|
for parent in parents:
|
|
|
self.addchild(parent, rev)
|
|
|
return self.revid(rev)
|
|
|
finally:
|
|
|
os.unlink(messagefile)
|
|
|
|
|
|
def puttags(self, tags):
|
|
|
self.ui.warn(_('XXX TAGS NOT IMPLEMENTED YET\n'))
|
|
|
|
