run-tests: display the time it took to install Mercurial
It will help make people aware of this critical step and to assess the time it
takes in various options (like a CI run for example).
# Subversion 1.4/1.5 Python API backend
#
# Copyright(C) 2007 Daniel Holth et al
import codecs
import locale
import os
import pickle
import re
import xml.dom.minidom
from mercurial.i18n import _
from mercurial.pycompat import open
from mercurial import (
encoding,
error,
pycompat,
util,
vfs as vfsmod,
)
from mercurial.utils import (
dateutil,
procutil,
stringutil,
)
from . import common
stringio = util.stringio
propertycache = util.propertycache
urlerr = util.urlerr
urlreq = util.urlreq
commandline = common.commandline
commit = common.commit
converter_sink = common.converter_sink
converter_source = common.converter_source
decodeargs = common.decodeargs
encodeargs = common.encodeargs
makedatetimestamp = common.makedatetimestamp
mapfile = common.mapfile
MissingTool = common.MissingTool
NoRepo = common.NoRepo
# Subversion stuff. Works best with very recent Python SVN bindings
# e.g. SVN 1.5 or backports. Thanks to the bzr folks for enhancing
# these bindings.
try:
import svn
import svn.client
import svn.core
import svn.ra
import svn.delta
from . import transport
import warnings
warnings.filterwarnings(
'ignore', module='svn.core', category=DeprecationWarning
)
svn.core.SubversionException # trigger import to catch error
except ImportError:
svn = None
# In Subversion, paths and URLs are Unicode (encoded as UTF-8), which
# Subversion converts from / to native strings when interfacing with the OS.
# When passing paths and URLs to Subversion, we have to recode them such that
# it roundstrips with what Subversion is doing.
fsencoding = None
def init_fsencoding():
global fsencoding, fsencoding_is_utf8
if fsencoding is not None:
return
if pycompat.iswindows:
# On Windows, filenames are Unicode, but we store them using the MBCS
# encoding.
fsencoding = 'mbcs'
else:
# This is the encoding used to convert UTF-8 back to natively-encoded
# strings in Subversion 1.14.0 or earlier with APR 1.7.0 or earlier.
with util.with_lc_ctype():
fsencoding = locale.nl_langinfo(locale.CODESET) or 'ISO-8859-1'
fsencoding = codecs.lookup(fsencoding).name
fsencoding_is_utf8 = fsencoding == codecs.lookup('utf-8').name
def fs2svn(s):
if fsencoding_is_utf8:
return s
else:
return s.decode(fsencoding).encode('utf-8')
def formatsvndate(date):
return dateutil.datestr(date, b'%Y-%m-%dT%H:%M:%S.000000Z')
def parsesvndate(s):
# Example SVN datetime. Includes microseconds.
# ISO-8601 conformant
# '2007-01-04T17:35:00.902377Z'
return dateutil.parsedate(s[:19] + b' UTC', [b'%Y-%m-%dT%H:%M:%S'])
class SvnPathNotFound(Exception):
pass
def revsplit(rev):
"""Parse a revision string and return (uuid, path, revnum).
>>> revsplit(b'svn:a2147622-4a9f-4db4-a8d3-13562ff547b2'
... b'/proj%20B/mytrunk/mytrunk@1')
('a2147622-4a9f-4db4-a8d3-13562ff547b2', '/proj%20B/mytrunk/mytrunk', 1)
>>> revsplit(b'svn:8af66a51-67f5-4354-b62c-98d67cc7be1d@1')
('', '', 1)
>>> revsplit(b'@7')
('', '', 7)
>>> revsplit(b'7')
('', '', 0)
>>> revsplit(b'bad')
('', '', 0)
"""
parts = rev.rsplit(b'@', 1)
revnum = 0
if len(parts) > 1:
revnum = int(parts[1])
parts = parts[0].split(b'/', 1)
uuid = b''
mod = b''
if len(parts) > 1 and parts[0].startswith(b'svn:'):
uuid = parts[0][4:]
mod = b'/' + parts[1]
return uuid, mod, revnum
def quote(s):
# As of svn 1.7, many svn calls expect "canonical" paths. In
# theory, we should call svn.core.*canonicalize() on all paths
# before passing them to the API. Instead, we assume the base url
# is canonical and copy the behaviour of svn URL encoding function
# so we can extend it safely with new components. The "safe"
# characters were taken from the "svn_uri__char_validity" table in
# libsvn_subr/path.c.
return urlreq.quote(s, b"!$&'()*+,-./:=@_~")
def geturl(path):
"""Convert path or URL to a SVN URL, encoded in UTF-8.
This can raise UnicodeDecodeError if the path or URL can't be converted to
unicode using `fsencoding`.
"""
try:
return svn.client.url_from_path(
svn.core.svn_path_canonicalize(fs2svn(path))
)
except svn.core.SubversionException:
# svn.client.url_from_path() fails with local repositories
pass
if os.path.isdir(path):
path = os.path.normpath(util.abspath(path))
if pycompat.iswindows:
path = b'/' + util.normpath(path)
# Module URL is later compared with the repository URL returned
# by svn API, which is UTF-8.
path = fs2svn(path)
path = b'file://%s' % quote(path)
return svn.core.svn_path_canonicalize(path)
def optrev(number):
optrev = svn.core.svn_opt_revision_t()
optrev.kind = svn.core.svn_opt_revision_number
optrev.value.number = number
return optrev
class changedpath:
def __init__(self, p):
self.copyfrom_path = p.copyfrom_path
self.copyfrom_rev = p.copyfrom_rev
self.action = p.action
def get_log_child(
fp,
url,
paths,
start,
end,
limit=0,
discover_changed_paths=True,
strict_node_history=False,
):
protocol = -1
def receiver(orig_paths, revnum, author, date, message, pool):
paths = {}
if orig_paths is not None:
for k, v in orig_paths.items():
paths[k] = changedpath(v)
pickle.dump((paths, revnum, author, date, message), fp, protocol)
try:
# Use an ra of our own so that our parent can consume
# our results without confusing the server.
t = transport.SvnRaTransport(url=url)
svn.ra.get_log(
t.ra,
paths,
start,
end,
limit,
discover_changed_paths,
strict_node_history,
receiver,
)
except IOError:
# Caller may interrupt the iteration
pickle.dump(None, fp, protocol)
except Exception as inst:
pickle.dump(stringutil.forcebytestr(inst), fp, protocol)
else:
pickle.dump(None, fp, protocol)
fp.flush()
# With large history, cleanup process goes crazy and suddenly
# consumes *huge* amount of memory. The output file being closed,
# there is no need for clean termination.
os._exit(0)
def debugsvnlog(ui, **opts):
"""Fetch SVN log in a subprocess and channel them back to parent to
avoid memory collection issues.
"""
with util.with_lc_ctype():
if svn is None:
raise error.Abort(
_(b'debugsvnlog could not load Subversion python bindings')
)
args = decodeargs(ui.fin.read())
get_log_child(ui.fout, *args)
class logstream:
"""Interruptible revision log iterator."""
def __init__(self, stdout):
self._stdout = stdout
def __iter__(self):
while True:
try:
entry = pickle.load(self._stdout)
except EOFError:
raise error.Abort(
_(
b'Mercurial failed to run itself, check'
b' hg executable is in PATH'
)
)
try:
orig_paths, revnum, author, date, message = entry
except (TypeError, ValueError):
if entry is None:
break
raise error.Abort(_(b"log stream exception '%s'") % entry)
yield entry
def close(self):
if self._stdout:
self._stdout.close()
self._stdout = None
class directlogstream(list):
"""Direct revision log iterator.
This can be used for debugging and development but it will probably leak
memory and is not suitable for real conversions."""
def __init__(
self,
url,
paths,
start,
end,
limit=0,
discover_changed_paths=True,
strict_node_history=False,
):
def receiver(orig_paths, revnum, author, date, message, pool):
paths = {}
if orig_paths is not None:
for k, v in orig_paths.items():
paths[k] = changedpath(v)
self.append((paths, revnum, author, date, message))
# Use an ra of our own so that our parent can consume
# our results without confusing the server.
t = transport.SvnRaTransport(url=url)
svn.ra.get_log(
t.ra,
paths,
start,
end,
limit,
discover_changed_paths,
strict_node_history,
receiver,
)
def close(self):
pass
# Check to see if the given path is a local Subversion repo. Verify this by
# looking for several svn-specific files and directories in the given
# directory.
def filecheck(ui, path, proto):
for x in (b'locks', b'hooks', b'format', b'db'):
if not os.path.exists(os.path.join(path, x)):
return False
return True
# Check to see if a given path is the root of an svn repo over http. We verify
# this by requesting a version-controlled URL we know can't exist and looking
# for the svn-specific "not found" XML.
def httpcheck(ui, path, proto):
try:
opener = urlreq.buildopener()
rsp = opener.open(
pycompat.strurl(b'%s://%s/!svn/ver/0/.svn' % (proto, path)), b'rb'
)
data = rsp.read()
except urlerr.httperror as inst:
if inst.code != 404:
# Except for 404 we cannot know for sure this is not an svn repo
ui.warn(
_(
b'svn: cannot probe remote repository, assume it could '
b'be a subversion repository. Use --source-type if you '
b'know better.\n'
)
)
return True
data = inst.fp.read()
except Exception:
# Could be urlerr.urlerror if the URL is invalid or anything else.
return False
return b'<m:human-readable errcode="160013">' in data
protomap = {
b'http': httpcheck,
b'https': httpcheck,
b'file': filecheck,
}
def issvnurl(ui, url):
try:
proto, path = url.split(b'://', 1)
if proto == b'file':
if (
pycompat.iswindows
and path[:1] == b'/'
and path[1:2].isalpha()
and path[2:6].lower() == b'%3a/'
):
path = path[:2] + b':/' + path[6:]
try:
unicodepath = path.decode(fsencoding)
except UnicodeDecodeError:
ui.warn(
_(
b'Subversion requires that file URLs can be converted '
b'to Unicode using the current locale encoding (%s)\n'
)
% pycompat.sysbytes(fsencoding)
)
return False
# Subversion paths are Unicode. Since it does percent-decoding on
# UTF-8-encoded strings, percent-encoded bytes are interpreted as
# UTF-8.
# On Python 3, we have to pass unicode to urlreq.url2pathname().
# Percent-decoded bytes get decoded using UTF-8 and the 'replace'
# error handler.
unicodepath = urlreq.url2pathname(unicodepath)
if u'\N{REPLACEMENT CHARACTER}' in unicodepath:
ui.warn(
_(
b'Subversion does not support non-UTF-8 '
b'percent-encoded bytes in file URLs\n'
)
)
return False
# Below, we approximate how Subversion checks the path. On Unix, we
# should therefore convert the path to bytes using `fsencoding`
# (like Subversion does). On Windows, the right thing would
# actually be to leave the path as unicode. For now, we restrict
# the path to MBCS.
path = unicodepath.encode(fsencoding)
except ValueError:
proto = b'file'
path = util.abspath(url)
try:
path.decode(fsencoding)
except UnicodeDecodeError:
ui.warn(
_(
b'Subversion requires that paths can be converted to '
b'Unicode using the current locale encoding (%s)\n'
)
% pycompat.sysbytes(fsencoding)
)
return False
if proto == b'file':
path = util.pconvert(path)
elif proto in (b'http', 'https'):
if not encoding.isasciistr(path):
ui.warn(
_(
b"Subversion sources don't support non-ASCII characters in "
b"HTTP(S) URLs. Please percent-encode them.\n"
)
)
return False
check = protomap.get(proto, lambda *args: False)
while b'/' in path:
if check(ui, path, proto):
return True
path = path.rsplit(b'/', 1)[0]
return False
# SVN conversion code stolen from bzr-svn and tailor
#
# Subversion looks like a versioned filesystem, branches structures
# are defined by conventions and not enforced by the tool. First,
# we define the potential branches (modules) as "trunk" and "branches"
# children directories. Revisions are then identified by their
# module and revision number (and a repository identifier).
#
# The revision graph is really a tree (or a forest). By default, a
# revision parent is the previous revision in the same module. If the
# module directory is copied/moved from another module then the
# revision is the module root and its parent the source revision in
# the parent module. A revision has at most one parent.
#
class svn_source(converter_source):
def __init__(self, ui, repotype, url, revs=None):
super(svn_source, self).__init__(ui, repotype, url, revs=revs)
init_fsencoding()
if not (
url.startswith(b'svn://')
or url.startswith(b'svn+ssh://')
or (
os.path.exists(url)
and os.path.exists(os.path.join(url, b'.svn'))
)
or issvnurl(ui, url)
):
raise NoRepo(
_(b"%s does not look like a Subversion repository") % url
)
if svn is None:
raise MissingTool(_(b'could not load Subversion python bindings'))
try:
version = svn.core.SVN_VER_MAJOR, svn.core.SVN_VER_MINOR
if version < (1, 4):
raise MissingTool(
_(
b'Subversion python bindings %d.%d found, '
b'1.4 or later required'
)
% version
)
except AttributeError:
raise MissingTool(
_(
b'Subversion python bindings are too old, 1.4 '
b'or later required'
)
)
self.lastrevs = {}
latest = None
try:
# Support file://path@rev syntax. Useful e.g. to convert
# deleted branches.
at = url.rfind(b'@')
if at >= 0:
latest = int(url[at + 1 :])
url = url[:at]
except ValueError:
pass
self.url = geturl(url)
self.encoding = b'UTF-8' # Subversion is always nominal UTF-8
try:
with util.with_lc_ctype():
self.transport = transport.SvnRaTransport(url=self.url)
self.ra = self.transport.ra
self.ctx = self.transport.client
self.baseurl = svn.ra.get_repos_root(self.ra)
# Module is either empty or a repository path starting with
# a slash and not ending with a slash.
self.module = urlreq.unquote(self.url[len(self.baseurl) :])
self.prevmodule = None
self.rootmodule = self.module
self.commits = {}
self.paths = {}
self.uuid = svn.ra.get_uuid(self.ra)
except svn.core.SubversionException:
ui.traceback()
svnversion = b'%d.%d.%d' % (
svn.core.SVN_VER_MAJOR,
svn.core.SVN_VER_MINOR,
svn.core.SVN_VER_MICRO,
)
raise NoRepo(
_(
b"%s does not look like a Subversion repository "
b"to libsvn version %s"
)
% (self.url, svnversion)
)
if revs:
if len(revs) > 1:
raise error.Abort(
_(
b'subversion source does not support '
b'specifying multiple revisions'
)
)
try:
latest = int(revs[0])
except ValueError:
raise error.Abort(
_(b'svn: revision %s is not an integer') % revs[0]
)
trunkcfg = self.ui.config(b'convert', b'svn.trunk')
if trunkcfg is None:
trunkcfg = b'trunk'
self.trunkname = trunkcfg.strip(b'/')
self.startrev = self.ui.config(b'convert', b'svn.startrev')
try:
self.startrev = int(self.startrev)
if self.startrev < 0:
self.startrev = 0
except ValueError:
raise error.Abort(
_(b'svn: start revision %s is not an integer') % self.startrev
)
try:
with util.with_lc_ctype():
self.head = self.latest(self.module, latest)
except SvnPathNotFound:
self.head = None
if not self.head:
raise error.Abort(
_(b'no revision found in module %s') % self.module
)
self.last_changed = self.revnum(self.head)
self._changescache = (None, None)
if os.path.exists(os.path.join(url, b'.svn/entries')):
self.wc = url
else:
self.wc = None
self.convertfp = None
def before(self):
self.with_lc_ctype = util.with_lc_ctype()
self.with_lc_ctype.__enter__()
def after(self):
self.with_lc_ctype.__exit__(None, None, None)
def setrevmap(self, revmap):
lastrevs = {}
for revid in revmap:
uuid, module, revnum = revsplit(revid)
lastrevnum = lastrevs.setdefault(module, revnum)
if revnum > lastrevnum:
lastrevs[module] = revnum
self.lastrevs = lastrevs
def exists(self, path, optrev):
try:
svn.client.ls(
self.url.rstrip(b'/') + b'/' + quote(path),
optrev,
False,
self.ctx,
)
return True
except svn.core.SubversionException:
return False
def getheads(self):
def isdir(path, revnum):
kind = self._checkpath(path, revnum)
return kind == svn.core.svn_node_dir
def getcfgpath(name, rev):
cfgpath = self.ui.config(b'convert', b'svn.' + name)
if cfgpath is not None and cfgpath.strip() == b'':
return None
path = (cfgpath or name).strip(b'/')
if not self.exists(path, rev):
if self.module.endswith(path) and name == b'trunk':
# we are converting from inside this directory
return None
if cfgpath:
raise error.Abort(
_(b'expected %s to be at %r, but not found')
% (name, path)
)
return None
self.ui.note(
_(b'found %s at %r\n') % (name, pycompat.bytestr(path))
)
return path
rev = optrev(self.last_changed)
oldmodule = b''
trunk = getcfgpath(b'trunk', rev)
self.tags = getcfgpath(b'tags', rev)
branches = getcfgpath(b'branches', rev)
# If the project has a trunk or branches, we will extract heads
# from them. We keep the project root otherwise.
if trunk:
oldmodule = self.module or b''
self.module += b'/' + trunk
self.head = self.latest(self.module, self.last_changed)
if not self.head:
raise error.Abort(
_(b'no revision found in module %s') % self.module
)
# First head in the list is the module's head
self.heads = [self.head]
if self.tags is not None:
self.tags = b'%s/%s' % (oldmodule, (self.tags or b'tags'))
# Check if branches bring a few more heads to the list
if branches:
rpath = self.url.strip(b'/')
branchnames = svn.client.ls(
rpath + b'/' + quote(branches), rev, False, self.ctx
)
for branch in sorted(branchnames):
module = b'%s/%s/%s' % (oldmodule, branches, branch)
if not isdir(module, self.last_changed):
continue
brevid = self.latest(module, self.last_changed)
if not brevid:
self.ui.note(_(b'ignoring empty branch %s\n') % branch)
continue
self.ui.note(
_(b'found branch %s at %d\n')
% (branch, self.revnum(brevid))
)
self.heads.append(brevid)
if self.startrev and self.heads:
if len(self.heads) > 1:
raise error.Abort(
_(
b'svn: start revision is not supported '
b'with more than one branch'
)
)
revnum = self.revnum(self.heads[0])
if revnum < self.startrev:
raise error.Abort(
_(b'svn: no revision found after start revision %d')
% self.startrev
)
return self.heads
def _getchanges(self, rev, full):
(paths, parents) = self.paths[rev]
copies = {}
if parents:
files, self.removed, copies = self.expandpaths(rev, paths, parents)
if full or not parents:
# Perform a full checkout on roots
uuid, module, revnum = revsplit(rev)
entries = svn.client.ls(
self.baseurl + quote(module), optrev(revnum), True, self.ctx
)
files = [
n
for n, e in entries.items()
if e.kind == svn.core.svn_node_file
]
self.removed = set()
files.sort()
files = pycompat.ziplist(files, [rev] * len(files))
return (files, copies)
def getchanges(self, rev, full):
# reuse cache from getchangedfiles
if self._changescache[0] == rev and not full:
(files, copies) = self._changescache[1]
else:
(files, copies) = self._getchanges(rev, full)
# caller caches the result, so free it here to release memory
del self.paths[rev]
return (files, copies, set())
def getchangedfiles(self, rev, i):
# called from filemap - cache computed values for reuse in getchanges
(files, copies) = self._getchanges(rev, False)
self._changescache = (rev, (files, copies))
return [f[0] for f in files]
def getcommit(self, rev):
if rev not in self.commits:
uuid, module, revnum = revsplit(rev)
self.module = module
self.reparent(module)
# We assume that:
# - requests for revisions after "stop" come from the
# revision graph backward traversal. Cache all of them
# down to stop, they will be used eventually.
# - requests for revisions before "stop" come to get
# isolated branches parents. Just fetch what is needed.
stop = self.lastrevs.get(module, 0)
if revnum < stop:
stop = revnum + 1
self._fetch_revisions(revnum, stop)
if rev not in self.commits:
raise error.Abort(_(b'svn: revision %s not found') % revnum)
revcommit = self.commits[rev]
# caller caches the result, so free it here to release memory
del self.commits[rev]
return revcommit
def checkrevformat(self, revstr, mapname=b'splicemap'):
"""fails if revision format does not match the correct format"""
if not re.match(
br'svn:[0-9a-f]{8,8}-[0-9a-f]{4,4}-'
br'[0-9a-f]{4,4}-[0-9a-f]{4,4}-[0-9a-f]'
br'{12,12}(.*)@[0-9]+$',
revstr,
):
raise error.Abort(
_(b'%s entry %s is not a valid revision identifier')
% (mapname, revstr)
)
def numcommits(self):
return int(self.head.rsplit(b'@', 1)[1]) - self.startrev
def gettags(self):
tags = {}
if self.tags is None:
return tags
# svn tags are just a convention, project branches left in a
# '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
if not origpaths:
origpaths = []
copies = [
(e.copyfrom_path, e.copyfrom_rev, p)
for p, e in origpaths.items()
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 + b'/'):
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 = {
p: e.copyfrom_path
for p, e in origpaths.items()
if e.action == b'A' and e.copyfrom_path
}
badroots = set()
for destroot in addeds:
for source, sourcerev, dest in pendings:
if not dest.startswith(
destroot + b'/'
) or source.startswith(addeds[destroot] + b'/'):
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 + b'/')
]
# Tell tag renamings from tag creations
renamings = []
for source, sourcerev, dest in pendings:
tagname = dest.split(b'/')[-1]
if source.startswith(srctagspath):
renamings.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 = renamings
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, b'.svn', b'hg-shamap'), b'ab'
)
self.convertfp.write(
util.tonativeeol(b'%s %d\n' % (destrev, self.revnum(rev)))
)
self.convertfp.flush()
def revid(self, revnum, module=None):
return b'svn:%s%s@%d' % (self.uuid, module or self.module, revnum)
def revnum(self, rev):
return int(rev.split(b'@')[-1])
def latest(self, path, stop=None):
"""Find the latest revid affecting path, up to stop revision
number. If stop is None, default to repository latest
revision. 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.
"""
def findchanges(path, start, stop=None):
stream = self._getlog([path], start, stop or 1)
try:
for entry in stream:
paths, revnum, author, date, message = entry
if stop is None and paths:
# We do not know the latest changed revision,
# keep the first one with changed paths.
break
if stop is not None and revnum <= stop:
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(
b"branch renamed from %s to %s at %d\n"
% (path, newpath, revnum)
)
path = newpath
break
if not paths:
revnum = None
return revnum, path
finally:
stream.close()
if not path.startswith(self.rootmodule):
# Requests on foreign branches may be forbidden at server level
self.ui.debug(b'ignoring foreign branch %r\n' % path)
return None
if stop is None:
stop = svn.ra.get_latest_revnum(self.ra)
try:
prevmodule = self.reparent(b'')
dirent = svn.ra.stat(self.ra, path.strip(b'/'), stop)
self.reparent(prevmodule)
except svn.core.SubversionException:
dirent = None
if not dirent:
raise SvnPathNotFound(
_(b'%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.
revnum, realpath = findchanges(path, stop, dirent.created_rev)
if revnum is None:
# Tools like svnsync can create empty revision, when
# synchronizing only a subtree for instance. These empty
# revisions created_rev still have their original values
# despite all changes having disappeared and can be
# returned by ra.stat(), at least when stating the root
# module. In that case, do not trust created_rev and scan
# the whole history.
revnum, realpath = findchanges(path, stop)
if revnum is None:
self.ui.debug(b'ignoring empty branch %r\n' % realpath)
return None
if not realpath.startswith(self.rootmodule):
self.ui.debug(b'ignoring foreign branch %r\n' % realpath)
return None
return self.revid(revnum, realpath)
def reparent(self, module):
"""Reparent the svn transport and return the previous parent."""
if self.prevmodule == module:
return module
svnurl = self.baseurl + quote(module)
prevmodule = self.prevmodule
if prevmodule is None:
prevmodule = b''
self.ui.debug(b"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 = revsplit(rev)[1:]
if new_module != self.module:
self.module = new_module
self.reparent(self.module)
progress = self.ui.makeprogress(
_(b'scanning paths'), unit=_(b'paths'), total=len(paths)
)
for i, (path, ent) in enumerate(paths):
progress.update(i, item=path)
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 = 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(
b"copied to %s from %s@%d\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(b"gone from %d\n" % ent.copyfrom_rev)
pmodule, prevnum = revsplit(parents[0])[1:]
parentpath = pmodule + b"/" + 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(b'/')
nroot = path.strip(b'/')
children = self._iterfiles(oroot, prevnum)
for childpath in children:
childpath = childpath.replace(oroot, nroot)
childpath = self.getrelpath(b"/" + childpath, pmodule)
if childpath:
removed.add(self.recode(childpath))
else:
self.ui.debug(
b'unknown path in revision %d: %s\n' % (revnum, path)
)
elif kind == svn.core.svn_node_dir:
if ent.action == b'M':
# If the directory just had a prop change,
# then we shouldn't need to look for its children.
continue
if ent.action == b'R' and parents:
# If a directory is replacing a file, mark the previous
# file as deleted
pmodule, prevnum = revsplit(parents[0])[1:]
pkind = self._checkpath(entrypath, prevnum, pmodule)
if pkind == svn.core.svn_node_file:
removed.add(self.recode(entrypath))
elif pkind == svn.core.svn_node_dir:
# We do not know what files were kept or removed,
# mark them all as changed.
for childpath in self._iterfiles(pmodule, prevnum):
childpath = self.getrelpath(b"/" + childpath)
if childpath:
changed.add(self.recode(childpath))
for childpath in self._iterfiles(path, revnum):
childpath = self.getrelpath(b"/" + 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 = revsplit(parents[0])[1:]
if ent.copyfrom_rev < prevnum:
continue
copyfrompath = self.getrelpath(ent.copyfrom_path, pmodule)
if not copyfrompath:
continue
self.ui.debug(
b"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(b"/" + childpath, pmodule)
if not childpath:
continue
copytopath = path + childpath[len(copyfrompath) :]
copytopath = self.getrelpath(copytopath)
copies[self.recode(copytopath)] = self.recode(childpath)
progress.complete()
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(
b"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.items())
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 = revsplit(previd)[1:]
if prevnum >= self.startrev:
parents = [previd]
self.ui.note(
_(b'found parent of branch %s at %d: %s\n')
% (self.module, prevnum, prevmodule)
)
else:
self.ui.debug(b"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))
date = parsesvndate(date)
if self.ui.configbool(b'convert', b'localtimezone'):
date = makedatetimestamp(date[0])
if message:
log = self.recode(message)
else:
log = b''
if author:
author = self.recode(author)
else:
author = b''
try:
branch = self.module.split(b"/")[-1]
if branch == self.trunkname:
branch = None
except IndexError:
branch = None
cset = commit(
author=author,
date=dateutil.datestr(date, b'%Y-%m-%d %H:%M:%S %1%2'),
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(
_(b'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(b'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 svn.core.SubversionException as xxx_todo_changeme:
(inst, num) = xxx_todo_changeme.args
if num == svn.core.SVN_ERR_FS_NO_SUCH_REVISION:
raise error.Abort(
_(b'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:
return None, None
try:
new_module, revnum = 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_file() seems to keep a reference on the input buffer
# preventing collection. Release it explicitly.
io.close()
if isinstance(info, list):
info = info[-1]
mode = (b"svn:executable" in info) and b'x' or b''
mode = (b"svn:special" in info) and b'l' or mode
except svn.core.SubversionException as 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
return None, None
raise
if mode == b'l':
link_prefix = b"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(b'/')
pool = svn.core.Pool()
rpath = b'/'.join([self.baseurl, quote(path)]).strip(b'/')
entries = svn.client.ls(rpath, optrev(revnum), True, self.ctx, pool)
if path:
path += b'/'
return (
(path + p)
for p, e in entries.items()
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, i.e.
# "/CMFPlone/branches/Plone-2_0-branch/tests/PloneTestCase.py"
# that is to say "tests/PloneTestCase.py"
if path.startswith(module):
relative = path.rstrip(b'/')[len(module) :]
if relative.startswith(b'/'):
return relative[1:]
elif relative == b'':
return relative
# The path is outside our tracked tree...
self.ui.debug(
b'%r is not under %r, ignoring\n'
% (pycompat.bytestr(path), pycompat.bytestr(module))
)
return None
def _checkpath(self, path, revnum, module=None):
if module is not None:
prevmodule = self.reparent(b'')
path = module + b'/' + 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(b'/'), 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(b'/'):
p = self.module + b'/' + p
relpaths.append(p.strip(b'/'))
args = [
self.baseurl,
relpaths,
start,
end,
limit,
discover_changed_paths,
strict_node_history,
]
# developer config: convert.svn.debugsvnlog
if not self.ui.configbool(b'convert', b'svn.debugsvnlog'):
return directlogstream(*args)
arg = encodeargs(args)
hgexe = procutil.hgexecutable()
cmd = b'%s debugsvnlog' % procutil.shellquote(hgexe)
stdin, stdout = procutil.popen2(cmd)
stdin.write(arg)
try:
stdin.close()
except IOError:
raise error.Abort(
_(
b'Mercurial failed to run itself, check'
b' hg executable is in PATH'
)
)
return logstream(stdout)
pre_revprop_change_template = b'''#!/bin/sh
REPOS="$1"
REV="$2"
USER="$3"
PROPNAME="$4"
ACTION="$5"
%(rules)s
echo "Changing prohibited revision property" >&2
exit 1
'''
def gen_pre_revprop_change_hook(prop_actions_allowed):
rules = []
for action, propname in prop_actions_allowed:
rules.append(
(
b'if [ "$ACTION" = "%s" -a "$PROPNAME" = "%s" ]; '
b'then exit 0; fi'
)
% (action, propname)
)
return pre_revprop_change_template % {b'rules': b'\n'.join(rules)}
class svn_sink(converter_sink, commandline):
commit_re = re.compile(br'Committed revision (\d+).', re.M)
uuid_re = re.compile(br'Repository UUID:\s*(\S+)', 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, b'.svn', name)
def revmapfile(self):
return self.join(b'hg-shamap')
def authorfile(self):
return self.join(b'hg-authormap')
def __init__(self, ui, repotype, path):
converter_sink.__init__(self, ui, repotype, path)
commandline.__init__(self, ui, b'svn')
self.delete = []
self.setexec = []
self.delexec = []
self.copies = []
self.wc = None
self.cwd = encoding.getcwd()
created = False
if os.path.isfile(os.path.join(path, b'.svn', b'entries')):
self.wc = os.path.realpath(path)
self.run0(b'update')
else:
if not re.search(br'^(file|http|https|svn|svn\+ssh)://', path):
path = os.path.realpath(path)
if os.path.isdir(os.path.dirname(path)):
if not os.path.exists(
os.path.join(path, b'db', b'fs-type')
):
ui.status(
_(b"initializing svn repository '%s'\n")
% os.path.basename(path)
)
commandline(ui, b'svnadmin').run0(b'create', path)
created = path
path = util.normpath(path)
if not path.startswith(b'/'):
path = b'/' + path
path = b'file://' + path
wcpath = os.path.join(
encoding.getcwd(), os.path.basename(path) + b'-wc'
)
ui.status(
_(b"initializing svn working copy '%s'\n")
% os.path.basename(wcpath)
)
self.run0(b'checkout', path, wcpath)
self.wc = wcpath
self.opener = vfsmod.vfs(self.wc)
self.wopener = vfsmod.vfs(self.wc)
self.childmap = mapfile(ui, self.join(b'hg-childmap'))
if util.checkexec(self.wc):
self.is_exec = util.isexec
else:
self.is_exec = None
if created:
prop_actions_allowed = [
(b'M', b'svn:log'),
(b'A', b'hg:convert-branch'),
(b'A', b'hg:convert-rev'),
]
if self.ui.configbool(
b'convert', b'svn.dangerous-set-commit-dates'
):
prop_actions_allowed.append((b'M', b'svn:date'))
hook = os.path.join(created, b'hooks', b'pre-revprop-change')
fp = open(hook, b'wb')
fp.write(gen_pre_revprop_change_hook(prop_actions_allowed))
fp.close()
util.setflags(hook, False, True)
output = self.run0(b'info')
self.uuid = self.uuid_re.search(output).group(1).strip()
def wjoin(self, *names):
return os.path.join(self.wc, *names)
@propertycache
def manifest(self):
# As of svn 1.7, the "add" command fails when receiving
# already tracked entries, so we have to track and filter them
# ourselves.
m = set()
output = self.run0(b'ls', recursive=True, xml=True)
doc = xml.dom.minidom.parseString(output)
for e in doc.getElementsByTagName('entry'):
for n in e.childNodes:
if n.nodeType != n.ELEMENT_NODE or n.tagName != 'name':
continue
name = ''.join(
c.data for c in n.childNodes if c.nodeType == c.TEXT_NODE
)
# Entries are compared with names coming from
# mercurial, so bytes with undefined encoding. Our
# best bet is to assume they are in local
# encoding. They will be passed to command line calls
# later anyway, so they better be.
m.add(encoding.unitolocal(name))
break
return m
def putfile(self, filename, flags, data):
if b'l' in flags:
self.wopener.symlink(data, filename)
else:
try:
if os.path.islink(self.wjoin(filename)):
os.unlink(filename)
except OSError:
pass
if self.is_exec:
# We need to check executability of the file before the change,
# because `vfs.write` is able to reset exec bit.
wasexec = False
if os.path.exists(self.wjoin(filename)):
wasexec = self.is_exec(self.wjoin(filename))
self.wopener.write(filename, data)
if self.is_exec:
if wasexec:
if b'x' not in flags:
self.delexec.append(filename)
else:
if b'x' in flags:
self.setexec.append(filename)
util.setflags(self.wjoin(filename), False, b'x' in flags)
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.lexists(wdest)
if exists:
fd, tempname = pycompat.mkstemp(
prefix=b'hg-copy-', dir=os.path.dirname(wdest)
)
os.close(fd)
os.unlink(tempname)
os.rename(wdest, tempname)
try:
self.run0(b'copy', source, dest)
finally:
self.manifest.add(dest)
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)
i = len(f)
for i in iter(lambda: f.rfind(b'/', 0, i), -1):
dirs.add(f[:i])
return dirs
def add_dirs(self, files):
add_dirs = [
d for d in sorted(self.dirs_of(files)) if d not in self.manifest
]
if add_dirs:
self.manifest.update(add_dirs)
self.xargs(add_dirs, b'add', non_recursive=True, quiet=True)
return add_dirs
def add_files(self, files):
files = [f for f in files if f not in self.manifest]
if files:
self.manifest.update(files)
self.xargs(files, b'add', quiet=True)
return files
def addchild(self, parent, child):
self.childmap[parent] = child
def revid(self, rev):
return b"svn:%s@%s" % (self.uuid, rev)
def putcommit(
self, files, copies, parents, commit, source, revmap, full, cleanp2
):
for parent in parents:
try:
return self.revid(self.childmap[parent])
except KeyError:
pass
# Apply changes to working copy
for f, v in files:
data, mode = source.getfile(f, v)
if data is None:
self.delete.append(f)
else:
self.putfile(f, mode, data)
if f in copies:
self.copies.append([copies[f], f])
if full:
self.delete.extend(sorted(self.manifest.difference(files)))
files = [f[0] for f in files]
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, b'delete')
for f in self.delete:
self.manifest.remove(f)
self.delete = []
entries.update(self.add_files(files.difference(entries)))
if self.delexec:
self.xargs(self.delexec, b'propdel', b'svn:executable')
self.delexec = []
if self.setexec:
self.xargs(self.setexec, b'propset', b'svn:executable', b'*')
self.setexec = []
fd, messagefile = pycompat.mkstemp(prefix=b'hg-convert-')
fp = os.fdopen(fd, 'wb')
fp.write(util.tonativeeol(commit.desc))
fp.close()
try:
output = self.run0(
b'commit',
username=stringutil.shortuser(commit.author),
file=messagefile,
encoding=b'utf-8',
)
try:
rev = self.commit_re.search(output).group(1)
except AttributeError:
if not files:
return parents[0] if parents else b'None'
self.ui.warn(_(b'unexpected svn output:\n'))
self.ui.warn(output)
raise error.Abort(_(b'unable to cope with svn output'))
if commit.rev:
self.run(
b'propset',
b'hg:convert-rev',
commit.rev,
revprop=True,
revision=rev,
)
if commit.branch and commit.branch != b'default':
self.run(
b'propset',
b'hg:convert-branch',
commit.branch,
revprop=True,
revision=rev,
)
if self.ui.configbool(
b'convert', b'svn.dangerous-set-commit-dates'
):
# Subverson always uses UTC to represent date and time
date = dateutil.parsedate(commit.date)
date = (date[0], 0)
# The only way to set date and time for svn commit is to use propset after commit is done
self.run(
b'propset',
b'svn:date',
formatsvndate(date),
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(_(b'writing Subversion tags is not yet implemented\n'))
return None, None
def hascommitfrommap(self, rev):
# We trust that revisions referenced in a map still is present
# TODO: implement something better if necessary and feasible
return True
def hascommitforsplicemap(self, rev):
# This is not correct as one can convert to an existing subversion
# repository and childmap would not list all revisions. Too bad.
if rev in self.childmap:
return True
raise error.Abort(
_(
b'splice map revision %s not found in subversion '
b'child map (revision lookups are not implemented)'
)
% rev
)