|
|
# common.py - common code for the convert extension
|
|
|
#
|
|
|
# Copyright 2005-2009 Olivia Mackall <olivia@selenic.com> and others
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2 or any later version.
|
|
|
|
|
|
import base64
|
|
|
import datetime
|
|
|
import os
|
|
|
import pickle
|
|
|
import re
|
|
|
import shlex
|
|
|
import subprocess
|
|
|
|
|
|
from mercurial.i18n import _
|
|
|
from mercurial.pycompat import open
|
|
|
from mercurial import (
|
|
|
encoding,
|
|
|
error,
|
|
|
phases,
|
|
|
pycompat,
|
|
|
util,
|
|
|
)
|
|
|
from mercurial.utils import procutil
|
|
|
|
|
|
propertycache = util.propertycache
|
|
|
|
|
|
|
|
|
def _encodeornone(d):
|
|
|
if d is None:
|
|
|
return
|
|
|
return d.encode('latin1')
|
|
|
|
|
|
|
|
|
class _shlexpy3proxy:
|
|
|
def __init__(self, l):
|
|
|
self._l = l
|
|
|
|
|
|
def __iter__(self):
|
|
|
return (_encodeornone(v) for v in self._l)
|
|
|
|
|
|
def get_token(self):
|
|
|
return _encodeornone(self._l.get_token())
|
|
|
|
|
|
@property
|
|
|
def infile(self):
|
|
|
return self._l.infile or b'<unknown>'
|
|
|
|
|
|
@property
|
|
|
def lineno(self):
|
|
|
return self._l.lineno
|
|
|
|
|
|
|
|
|
def shlexer(data=None, filepath=None, wordchars=None, whitespace=None):
|
|
|
if data is None:
|
|
|
data = open(filepath, b'r', encoding='latin1')
|
|
|
else:
|
|
|
if filepath is not None:
|
|
|
raise error.ProgrammingError(
|
|
|
b'shlexer only accepts data or filepath, not both'
|
|
|
)
|
|
|
data = data.decode('latin1')
|
|
|
l = shlex.shlex(data, infile=filepath, posix=True)
|
|
|
if whitespace is not None:
|
|
|
l.whitespace_split = True
|
|
|
l.whitespace += whitespace.decode('latin1')
|
|
|
if wordchars is not None:
|
|
|
l.wordchars += wordchars.decode('latin1')
|
|
|
return _shlexpy3proxy(l)
|
|
|
|
|
|
|
|
|
def encodeargs(args):
|
|
|
def encodearg(s):
|
|
|
lines = base64.encodebytes(s)
|
|
|
lines = [l.splitlines()[0] for l in pycompat.iterbytestr(lines)]
|
|
|
return b''.join(lines)
|
|
|
|
|
|
s = pickle.dumps(args)
|
|
|
return encodearg(s)
|
|
|
|
|
|
|
|
|
def decodeargs(s):
|
|
|
s = base64.decodebytes(s)
|
|
|
return pickle.loads(s)
|
|
|
|
|
|
|
|
|
class MissingTool(Exception):
|
|
|
pass
|
|
|
|
|
|
|
|
|
def checktool(exe, name=None, abort=True):
|
|
|
name = name or exe
|
|
|
if not procutil.findexe(exe):
|
|
|
if abort:
|
|
|
exc = error.Abort
|
|
|
else:
|
|
|
exc = MissingTool
|
|
|
raise exc(_(b'cannot find required "%s" tool') % name)
|
|
|
|
|
|
|
|
|
class NoRepo(Exception):
|
|
|
pass
|
|
|
|
|
|
|
|
|
SKIPREV = b'SKIP'
|
|
|
|
|
|
|
|
|
class commit:
|
|
|
def __init__(
|
|
|
self,
|
|
|
author,
|
|
|
date,
|
|
|
desc,
|
|
|
parents,
|
|
|
branch=None,
|
|
|
rev=None,
|
|
|
extra=None,
|
|
|
sortkey=None,
|
|
|
saverev=True,
|
|
|
phase=phases.draft,
|
|
|
optparents=None,
|
|
|
ctx=None,
|
|
|
):
|
|
|
self.author = author or b'unknown'
|
|
|
self.date = date or b'0 0'
|
|
|
self.desc = desc
|
|
|
self.parents = parents # will be converted and used as parents
|
|
|
self.optparents = optparents or [] # will be used if already converted
|
|
|
self.branch = branch
|
|
|
self.rev = rev
|
|
|
self.extra = extra or {}
|
|
|
self.sortkey = sortkey
|
|
|
self.saverev = saverev
|
|
|
self.phase = phase
|
|
|
self.ctx = ctx # for hg to hg conversions
|
|
|
|
|
|
|
|
|
class converter_source:
|
|
|
"""Conversion source interface"""
|
|
|
|
|
|
def __init__(self, ui, repotype, path=None, revs=None):
|
|
|
"""Initialize conversion source (or raise NoRepo("message")
|
|
|
exception if path is not a valid repository)"""
|
|
|
self.ui = ui
|
|
|
self.path = path
|
|
|
self.revs = revs
|
|
|
self.repotype = repotype
|
|
|
|
|
|
self.encoding = b'utf-8'
|
|
|
|
|
|
def checkhexformat(self, revstr, mapname=b'splicemap'):
|
|
|
"""fails if revstr is not a 40 byte hex. mercurial and git both uses
|
|
|
such format for their revision numbering
|
|
|
"""
|
|
|
if not re.match(br'[0-9a-fA-F]{40,40}$', revstr):
|
|
|
raise error.Abort(
|
|
|
_(b'%s entry %s is not a valid revision identifier')
|
|
|
% (mapname, revstr)
|
|
|
)
|
|
|
|
|
|
def before(self):
|
|
|
pass
|
|
|
|
|
|
def after(self):
|
|
|
pass
|
|
|
|
|
|
def targetfilebelongstosource(self, targetfilename):
|
|
|
"""Returns true if the given targetfile belongs to the source repo. This
|
|
|
is useful when only a subdirectory of the target belongs to the source
|
|
|
repo."""
|
|
|
# For normal full repo converts, this is always True.
|
|
|
return True
|
|
|
|
|
|
def setrevmap(self, revmap):
|
|
|
"""set the map of already-converted revisions"""
|
|
|
|
|
|
def getheads(self):
|
|
|
"""Return a list of this repository's heads"""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
def getfile(self, name, rev):
|
|
|
"""Return a pair (data, mode) where data is the file content
|
|
|
as a string and mode one of '', 'x' or 'l'. rev is the
|
|
|
identifier returned by a previous call to getchanges().
|
|
|
Data is None if file is missing/deleted in rev.
|
|
|
"""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
def getchanges(self, version, full):
|
|
|
"""Returns a tuple of (files, copies, cleanp2).
|
|
|
|
|
|
files is a sorted list of (filename, id) tuples for all files
|
|
|
changed between version and its first parent returned by
|
|
|
getcommit(). If full, all files in that revision is returned.
|
|
|
id is the source revision id of the file.
|
|
|
|
|
|
copies is a dictionary of dest: source
|
|
|
|
|
|
cleanp2 is the set of files filenames that are clean against p2.
|
|
|
(Files that are clean against p1 are already not in files (unless
|
|
|
full). This makes it possible to handle p2 clean files similarly.)
|
|
|
"""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
def getcommit(self, version):
|
|
|
"""Return the commit object for version"""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
def numcommits(self):
|
|
|
"""Return the number of commits in this source.
|
|
|
|
|
|
If unknown, return None.
|
|
|
"""
|
|
|
return None
|
|
|
|
|
|
def gettags(self):
|
|
|
"""Return the tags as a dictionary of name: revision
|
|
|
|
|
|
Tag names must be UTF-8 strings.
|
|
|
"""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
def recode(self, s, encoding=None):
|
|
|
if not encoding:
|
|
|
encoding = self.encoding or b'utf-8'
|
|
|
|
|
|
if isinstance(s, str):
|
|
|
return s.encode("utf-8")
|
|
|
try:
|
|
|
return s.decode(pycompat.sysstr(encoding)).encode("utf-8")
|
|
|
except UnicodeError:
|
|
|
try:
|
|
|
return s.decode("latin-1").encode("utf-8")
|
|
|
except UnicodeError:
|
|
|
return s.decode(pycompat.sysstr(encoding), "replace").encode(
|
|
|
"utf-8"
|
|
|
)
|
|
|
|
|
|
def getchangedfiles(self, rev, i):
|
|
|
"""Return the files changed by rev compared to parent[i].
|
|
|
|
|
|
i is an index selecting one of the parents of rev. The return
|
|
|
value should be the list of files that are different in rev and
|
|
|
this parent.
|
|
|
|
|
|
If rev has no parents, i is None.
|
|
|
|
|
|
This function is only needed to support --filemap
|
|
|
"""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
def converted(self, rev, sinkrev):
|
|
|
'''Notify the source that a revision has been converted.'''
|
|
|
|
|
|
def hasnativeorder(self):
|
|
|
"""Return true if this source has a meaningful, native revision
|
|
|
order. For instance, Mercurial revisions are store sequentially
|
|
|
while there is no such global ordering with Darcs.
|
|
|
"""
|
|
|
return False
|
|
|
|
|
|
def hasnativeclose(self):
|
|
|
"""Return true if this source has ability to close branch."""
|
|
|
return False
|
|
|
|
|
|
def lookuprev(self, rev):
|
|
|
"""If rev is a meaningful revision reference in source, return
|
|
|
the referenced identifier in the same format used by getcommit().
|
|
|
return None otherwise.
|
|
|
"""
|
|
|
return None
|
|
|
|
|
|
def getbookmarks(self):
|
|
|
"""Return the bookmarks as a dictionary of name: revision
|
|
|
|
|
|
Bookmark names are to be UTF-8 strings.
|
|
|
"""
|
|
|
return {}
|
|
|
|
|
|
def checkrevformat(self, revstr, mapname=b'splicemap'):
|
|
|
"""revstr is a string that describes a revision in the given
|
|
|
source control system. Return true if revstr has correct
|
|
|
format.
|
|
|
"""
|
|
|
return True
|
|
|
|
|
|
|
|
|
class converter_sink:
|
|
|
"""Conversion sink (target) interface"""
|
|
|
|
|
|
def __init__(self, ui, repotype, path):
|
|
|
"""Initialize conversion sink (or raise NoRepo("message")
|
|
|
exception if path is not a valid repository)
|
|
|
|
|
|
created is a list of paths to remove if a fatal error occurs
|
|
|
later"""
|
|
|
self.ui = ui
|
|
|
self.path = path
|
|
|
self.created = []
|
|
|
self.repotype = repotype
|
|
|
|
|
|
def revmapfile(self):
|
|
|
"""Path to a file that will contain lines
|
|
|
source_rev_id sink_rev_id
|
|
|
mapping equivalent revision identifiers for each system."""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
def authorfile(self):
|
|
|
"""Path to a file that will contain lines
|
|
|
srcauthor=dstauthor
|
|
|
mapping equivalent authors identifiers for each system."""
|
|
|
return None
|
|
|
|
|
|
def putcommit(
|
|
|
self, files, copies, parents, commit, source, revmap, full, cleanp2
|
|
|
):
|
|
|
"""Create a revision with all changed files listed in 'files'
|
|
|
and having listed parents. 'commit' is a commit object
|
|
|
containing at a minimum the author, date, and message for this
|
|
|
changeset. 'files' is a list of (path, version) tuples,
|
|
|
'copies' is a dictionary mapping destinations to sources,
|
|
|
'source' is the source repository, and 'revmap' is a mapfile
|
|
|
of source revisions to converted revisions. Only getfile() and
|
|
|
lookuprev() should be called on 'source'. 'full' means that 'files'
|
|
|
is complete and all other files should be removed.
|
|
|
'cleanp2' is a set of the filenames that are unchanged from p2
|
|
|
(only in the common merge case where there two parents).
|
|
|
|
|
|
Note that the sink repository is not told to update itself to
|
|
|
a particular revision (or even what that revision would be)
|
|
|
before it receives the file data.
|
|
|
"""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
def puttags(self, tags):
|
|
|
"""Put tags into sink.
|
|
|
|
|
|
tags: {tagname: sink_rev_id, ...} where tagname is an UTF-8 string.
|
|
|
Return a pair (tag_revision, tag_parent_revision), or (None, None)
|
|
|
if nothing was changed.
|
|
|
"""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
def setbranch(self, branch, pbranches):
|
|
|
"""Set the current branch name. Called before the first putcommit
|
|
|
on the branch.
|
|
|
branch: branch name for subsequent commits
|
|
|
pbranches: (converted parent revision, parent branch) tuples"""
|
|
|
|
|
|
def setfilemapmode(self, active):
|
|
|
"""Tell the destination that we're using a filemap
|
|
|
|
|
|
Some converter_sources (svn in particular) can claim that a file
|
|
|
was changed in a revision, even if there was no change. This method
|
|
|
tells the destination that we're using a filemap and that it should
|
|
|
filter empty revisions.
|
|
|
"""
|
|
|
|
|
|
def before(self):
|
|
|
pass
|
|
|
|
|
|
def after(self):
|
|
|
pass
|
|
|
|
|
|
def putbookmarks(self, bookmarks):
|
|
|
"""Put bookmarks into sink.
|
|
|
|
|
|
bookmarks: {bookmarkname: sink_rev_id, ...}
|
|
|
where bookmarkname is an UTF-8 string.
|
|
|
"""
|
|
|
|
|
|
def hascommitfrommap(self, rev):
|
|
|
"""Return False if a rev mentioned in a filemap is known to not be
|
|
|
present."""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
def hascommitforsplicemap(self, rev):
|
|
|
"""This method is for the special needs for splicemap handling and not
|
|
|
for general use. Returns True if the sink contains rev, aborts on some
|
|
|
special cases."""
|
|
|
raise NotImplementedError
|
|
|
|
|
|
|
|
|
class commandline:
|
|
|
def __init__(self, ui, command):
|
|
|
self.ui = ui
|
|
|
self.command = command
|
|
|
|
|
|
def prerun(self):
|
|
|
pass
|
|
|
|
|
|
def postrun(self):
|
|
|
pass
|
|
|
|
|
|
def _cmdline(self, cmd, *args, **kwargs):
|
|
|
kwargs = pycompat.byteskwargs(kwargs)
|
|
|
cmdline = [self.command, cmd] + list(args)
|
|
|
for k, v in kwargs.items():
|
|
|
if len(k) == 1:
|
|
|
cmdline.append(b'-' + k)
|
|
|
else:
|
|
|
cmdline.append(b'--' + k.replace(b'_', b'-'))
|
|
|
try:
|
|
|
if len(k) == 1:
|
|
|
cmdline.append(b'' + v)
|
|
|
else:
|
|
|
cmdline[-1] += b'=' + v
|
|
|
except TypeError:
|
|
|
pass
|
|
|
cmdline = [procutil.shellquote(arg) for arg in cmdline]
|
|
|
if not self.ui.debugflag:
|
|
|
cmdline += [b'2>', pycompat.bytestr(os.devnull)]
|
|
|
cmdline = b' '.join(cmdline)
|
|
|
return cmdline
|
|
|
|
|
|
def _run(self, cmd, *args, **kwargs):
|
|
|
def popen(cmdline):
|
|
|
p = subprocess.Popen(
|
|
|
procutil.tonativestr(cmdline),
|
|
|
shell=True,
|
|
|
bufsize=-1,
|
|
|
close_fds=procutil.closefds,
|
|
|
stdout=subprocess.PIPE,
|
|
|
)
|
|
|
return p
|
|
|
|
|
|
return self._dorun(popen, cmd, *args, **kwargs)
|
|
|
|
|
|
def _run2(self, cmd, *args, **kwargs):
|
|
|
return self._dorun(procutil.popen2, cmd, *args, **kwargs)
|
|
|
|
|
|
def _run3(self, cmd, *args, **kwargs):
|
|
|
return self._dorun(procutil.popen3, cmd, *args, **kwargs)
|
|
|
|
|
|
def _dorun(self, openfunc, cmd, *args, **kwargs):
|
|
|
cmdline = self._cmdline(cmd, *args, **kwargs)
|
|
|
self.ui.debug(b'running: %s\n' % (cmdline,))
|
|
|
self.prerun()
|
|
|
try:
|
|
|
return openfunc(cmdline)
|
|
|
finally:
|
|
|
self.postrun()
|
|
|
|
|
|
def run(self, cmd, *args, **kwargs):
|
|
|
p = self._run(cmd, *args, **kwargs)
|
|
|
output = p.communicate()[0]
|
|
|
self.ui.debug(output)
|
|
|
return output, p.returncode
|
|
|
|
|
|
def runlines(self, cmd, *args, **kwargs):
|
|
|
p = self._run(cmd, *args, **kwargs)
|
|
|
output = p.stdout.readlines()
|
|
|
p.wait()
|
|
|
self.ui.debug(b''.join(output))
|
|
|
return output, p.returncode
|
|
|
|
|
|
def checkexit(self, status, output=b''):
|
|
|
if status:
|
|
|
if output:
|
|
|
self.ui.warn(_(b'%s error:\n') % self.command)
|
|
|
self.ui.warn(output)
|
|
|
msg = procutil.explainexit(status)
|
|
|
raise error.Abort(b'%s %s' % (self.command, msg))
|
|
|
|
|
|
def run0(self, cmd, *args, **kwargs):
|
|
|
output, status = self.run(cmd, *args, **kwargs)
|
|
|
self.checkexit(status, output)
|
|
|
return output
|
|
|
|
|
|
def runlines0(self, cmd, *args, **kwargs):
|
|
|
output, status = self.runlines(cmd, *args, **kwargs)
|
|
|
self.checkexit(status, b''.join(output))
|
|
|
return output
|
|
|
|
|
|
@propertycache
|
|
|
def argmax(self):
|
|
|
# POSIX requires at least 4096 bytes for ARG_MAX
|
|
|
argmax = 4096
|
|
|
try:
|
|
|
argmax = os.sysconf("SC_ARG_MAX")
|
|
|
except (AttributeError, ValueError):
|
|
|
pass
|
|
|
|
|
|
# Windows shells impose their own limits on command line length,
|
|
|
# down to 2047 bytes for cmd.exe under Windows NT/2k and 2500 bytes
|
|
|
# for older 4nt.exe. See http://support.microsoft.com/kb/830473 for
|
|
|
# details about cmd.exe limitations.
|
|
|
|
|
|
# Since ARG_MAX is for command line _and_ environment, lower our limit
|
|
|
# (and make happy Windows shells while doing this).
|
|
|
return argmax // 2 - 1
|
|
|
|
|
|
def _limit_arglist(self, arglist, cmd, *args, **kwargs):
|
|
|
cmdlen = len(self._cmdline(cmd, *args, **kwargs))
|
|
|
limit = self.argmax - cmdlen
|
|
|
numbytes = 0
|
|
|
fl = []
|
|
|
for fn in arglist:
|
|
|
b = len(fn) + 3
|
|
|
if numbytes + b < limit or len(fl) == 0:
|
|
|
fl.append(fn)
|
|
|
numbytes += b
|
|
|
else:
|
|
|
yield fl
|
|
|
fl = [fn]
|
|
|
numbytes = b
|
|
|
if fl:
|
|
|
yield fl
|
|
|
|
|
|
def xargs(self, arglist, cmd, *args, **kwargs):
|
|
|
for l in self._limit_arglist(arglist, cmd, *args, **kwargs):
|
|
|
self.run0(cmd, *(list(args) + l), **kwargs)
|
|
|
|
|
|
|
|
|
class mapfile(dict):
|
|
|
def __init__(self, ui, path):
|
|
|
super(mapfile, self).__init__()
|
|
|
self.ui = ui
|
|
|
self.path = path
|
|
|
self.fp = None
|
|
|
self.order = []
|
|
|
self._read()
|
|
|
|
|
|
def _read(self):
|
|
|
if not self.path:
|
|
|
return
|
|
|
try:
|
|
|
fp = open(self.path, b'rb')
|
|
|
except FileNotFoundError:
|
|
|
return
|
|
|
for i, line in enumerate(fp):
|
|
|
line = line.splitlines()[0].rstrip()
|
|
|
if not line:
|
|
|
# Ignore blank lines
|
|
|
continue
|
|
|
try:
|
|
|
key, value = line.rsplit(b' ', 1)
|
|
|
except ValueError:
|
|
|
raise error.Abort(
|
|
|
_(b'syntax error in %s(%d): key/value pair expected')
|
|
|
% (self.path, i + 1)
|
|
|
)
|
|
|
if key not in self:
|
|
|
self.order.append(key)
|
|
|
super(mapfile, self).__setitem__(key, value)
|
|
|
fp.close()
|
|
|
|
|
|
def __setitem__(self, key, value):
|
|
|
if self.fp is None:
|
|
|
try:
|
|
|
self.fp = open(self.path, b'ab')
|
|
|
except IOError as err:
|
|
|
raise error.Abort(
|
|
|
_(b'could not open map file %r: %s')
|
|
|
% (self.path, encoding.strtolocal(err.strerror))
|
|
|
)
|
|
|
self.fp.write(util.tonativeeol(b'%s %s\n' % (key, value)))
|
|
|
self.fp.flush()
|
|
|
super(mapfile, self).__setitem__(key, value)
|
|
|
|
|
|
def close(self):
|
|
|
if self.fp:
|
|
|
self.fp.close()
|
|
|
self.fp = None
|
|
|
|
|
|
|
|
|
def makedatetimestamp(t):
|
|
|
"""Like dateutil.makedate() but for time t instead of current time"""
|
|
|
delta = datetime.datetime.utcfromtimestamp(
|
|
|
t
|
|
|
) - datetime.datetime.fromtimestamp(t)
|
|
|
tz = delta.days * 86400 + delta.seconds
|
|
|
return t, tz
|
|
|
|
