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rhg: strip copied files metadata from `cat` output Differential Revision: https://phab.mercurial-scm.org/D9264

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darcs.py
242 lines | 8.4 KiB | text/x-python | PythonLexer
Martin Geisler
convert: add copyright and license headers to back-ends
r8250 # darcs.py - darcs support for the convert extension
#
# Copyright 2007-2009 Matt Mackall <mpm@selenic.com> and others
#
# This software may be used and distributed according to the terms of the
Matt Mackall
Update license to GPLv2+
r10263 # GNU General Public License version 2 or any later version.
timeless
convert: darcs use absolute_import
r28368 from __future__ import absolute_import
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
timeless
convert: darcs use absolute_import
r28368 import errno
import os
import re
import shutil
Yuya Nishihara
py3: wrap tempfile.mkdtemp() to use bytes path...
r38183
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 from mercurial.i18n import _
timeless
convert: darcs use absolute_import
r28368 from mercurial import (
error,
Yuya Nishihara
py3: wrap tempfile.mkdtemp() to use bytes path...
r38183 pycompat,
timeless
convert: darcs use absolute_import
r28368 util,
)
Boris Feld
util: extract all date-related utils in utils/dateutil module...
r36625 from mercurial.utils import dateutil
timeless
convert: darcs use absolute_import
r28368 from . import common
Augie Fackler
formatting: blacken the codebase...
r43346
timeless
convert: darcs use absolute_import
r28368 NoRepo = common.NoRepo
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
# The naming drift of ElementTree is fun!
Matt Mackall
many, many trivial check-code fixups
r10282 try:
timeless
convert: darcs use absolute_import
r28368 import xml.etree.cElementTree.ElementTree as ElementTree
import xml.etree.cElementTree.XMLParser as XMLParser
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 except ImportError:
Matt Mackall
many, many trivial check-code fixups
r10282 try:
timeless
convert: darcs use absolute_import
r28368 import xml.etree.ElementTree.ElementTree as ElementTree
import xml.etree.ElementTree.XMLParser as XMLParser
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 except ImportError:
Matt Mackall
many, many trivial check-code fixups
r10282 try:
timeless
convert: darcs use absolute_import
r28368 import elementtree.cElementTree.ElementTree as ElementTree
import elementtree.cElementTree.XMLParser as XMLParser
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 except ImportError:
Matt Mackall
many, many trivial check-code fixups
r10282 try:
timeless
convert: darcs use absolute_import
r28368 import elementtree.ElementTree.ElementTree as ElementTree
Augie Fackler
formatting: blacken the codebase...
r43346 import elementtree.ElementTree.XMLParser as XMLParser
Matt Mackall
many, many trivial check-code fixups
r10282 except ImportError:
Matt Mackall
check-code: enable camelcase check, fix up problems
r15457 pass
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
Augie Fackler
formatting: blacken the codebase...
r43346
timeless
convert: darcs use absolute_import
r28368 class darcs_source(common.converter_source, common.commandline):
Matt Harbison
convert: save an indicator of the repo type for sources and sinks...
r35168 def __init__(self, ui, repotype, path, revs=None):
common.converter_source.__init__(self, ui, repotype, path, revs=revs)
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 common.commandline.__init__(self, ui, b'darcs')
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
Patrick Mezard
convert/darcs: improve unsupported format detection (issue2172)
r12393 # check for _darcs, ElementTree so that we can easily skip
# test-convert-darcs if ElementTree is not around
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 if not os.path.exists(os.path.join(path, b'_darcs')):
raise NoRepo(_(b"%s does not look like a darcs repository") % path)
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 common.checktool(b'darcs')
version = self.run0(b'--version').splitlines()[0].strip()
if version < b'2.1':
Augie Fackler
formatting: blacken the codebase...
r43346 raise error.Abort(
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 _(b'darcs version 2.1 or newer needed (found %r)') % version
Augie Fackler
formatting: blacken the codebase...
r43346 )
Patrick Mezard
convert: fail if an external required tool is not found
r5497
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 if b"ElementTree" not in globals():
raise error.Abort(_(b"Python ElementTree module is not available"))
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
Matt Mackall
backout dbdb777502dc (issue3077) (issue3071)...
r15381 self.path = os.path.realpath(path)
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
self.lastrev = None
self.changes = {}
self.parents = {}
self.tags = {}
Patrick Mezard
convert/darcs: improve unsupported format detection (issue2172)
r12393 # Check darcs repository format
format = self.format()
if format:
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 if format in (b'darcs-1.0', b'hashed'):
Augie Fackler
formatting: blacken the codebase...
r43346 raise NoRepo(
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 _(
b"%s repository format is unsupported, "
b"please upgrade"
)
Augie Fackler
formatting: blacken the codebase...
r43346 % format
)
Patrick Mezard
convert/darcs: improve unsupported format detection (issue2172)
r12393 else:
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 self.ui.warn(_(b'failed to detect repository format!'))
Patrick Mezard
convert/darcs: improve unsupported format detection (issue2172)
r12393
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 def before(self):
Yuya Nishihara
py3: wrap tempfile.mkdtemp() to use bytes path...
r38183 self.tmppath = pycompat.mkdtemp(
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 prefix=b'convert-' + os.path.basename(self.path) + b'-'
Augie Fackler
formatting: blacken the codebase...
r43346 )
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 output, status = self.run(b'init', repodir=self.tmppath)
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 self.checkexit(status)
Augie Fackler
formatting: blacken the codebase...
r43346 tree = self.xml(
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 b'changes', xml_output=True, summary=True, repodir=self.path
Augie Fackler
formatting: blacken the codebase...
r43346 )
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 tagname = None
child = None
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 for elt in tree.findall(b'patch'):
node = elt.get(b'hash')
name = elt.findtext(b'name', b'')
if name.startswith(b'TAG '):
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 tagname = name[4:].strip()
elif tagname is not None:
self.tags[tagname] = node
tagname = None
self.changes[node] = elt
self.parents[child] = [node]
child = node
self.parents[child] = []
def after(self):
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 self.ui.debug(b'cleaning up %s\n' % self.tmppath)
Bryan O'Sullivan
convert: fix a few residual bugs in darcs importer
r5362 shutil.rmtree(self.tmppath, ignore_errors=True)
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
Brodie Rao
convert/darcs: support changelogs with bytes 0x7F-0xFF (issue2411)...
r12717 def recode(self, s, encoding=None):
Pulkit Goyal
py3: replace `unicode` with pycompat.unicode...
r38332 if isinstance(s, pycompat.unicode):
Brodie Rao
convert/darcs: support changelogs with bytes 0x7F-0xFF (issue2411)...
r12717 # XMLParser returns unicode objects for anything it can't
# encode into ASCII. We convert them back to str to get
# recode's normal conversion behavior.
s = s.encode('latin-1')
return super(darcs_source, self).recode(s, encoding)
Bryan O'Sullivan
convert: abstract darcs's commandline handling
r5512 def xml(self, cmd, **kwargs):
Brodie Rao
convert/darcs: handle non-ASCII metadata in darcs changelog (issue2354)...
r12252 # NOTE: darcs is currently encoding agnostic and will print
# patch metadata byte-for-byte, even in the XML changelog.
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 etree = ElementTree()
Brodie Rao
convert/darcs: support changelogs with bytes 0x7F-0xFF (issue2411)...
r12717 # While we are decoding the XML as latin-1 to be as liberal as
# possible, etree will still raise an exception if any
# non-printable characters are in the XML changelog.
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 parser = XMLParser(encoding=b'latin-1')
Patrick Mezard
convert: use subprocess for all commandline calls...
r17413 p = self._run(cmd, **kwargs)
etree.parse(p.stdout, parser=parser)
p.wait()
self.checkexit(p.returncode)
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 return etree.getroot()
Patrick Mezard
convert/darcs: improve unsupported format detection (issue2172)
r12393 def format(self):
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 output, status = self.run(b'show', b'repo', repodir=self.path)
Patrick Mezard
convert/darcs: improve unsupported format detection (issue2172)
r12393 self.checkexit(status)
m = re.search(r'^\s*Format:\s*(.*)$', output, re.MULTILINE)
if not m:
return None
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 return b','.join(sorted(f.strip() for f in m.group(1).split(b',')))
Patrick Mezard
convert/darcs: improve unsupported format detection (issue2172)
r12393
Patrick Mezard
convert/darcs: handle directory renaming
r9527 def manifest(self):
man = []
Augie Fackler
formatting: blacken the codebase...
r43346 output, status = self.run(
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 b'show', b'files', no_directories=True, repodir=self.tmppath
Augie Fackler
formatting: blacken the codebase...
r43346 )
Patrick Mezard
convert/darcs: handle directory renaming
r9527 self.checkexit(status)
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 for line in output.split(b'\n'):
Patrick Mezard
convert/darcs: handle directory renaming
r9527 path = line[2:]
if path:
man.append(path)
return man
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 def getheads(self):
return self.parents[None]
def getcommit(self, rev):
elt = self.changes[rev]
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 dateformat = b'%a %b %d %H:%M:%S %Z %Y'
date = dateutil.strdate(elt.get(b'local_date'), dateformat)
desc = elt.findtext(b'name') + b'\n' + elt.findtext(b'comment', b'')
Brodie Rao
convert/darcs: handle non-ASCII metadata in darcs changelog (issue2354)...
r12252 # etree can return unicode objects for name, comment, and author,
# so recode() is used to ensure str objects are emitted.
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 newdateformat = b'%Y-%m-%d %H:%M:%S %1%2'
Augie Fackler
formatting: blacken the codebase...
r43346 return common.commit(
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 author=self.recode(elt.get(b'author')),
Augie Fackler
formatting: blacken the codebase...
r43346 date=dateutil.datestr(date, newdateformat),
desc=self.recode(desc).strip(),
parents=self.parents[rev],
)
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
def pull(self, rev):
Augie Fackler
formatting: blacken the codebase...
r43346 output, status = self.run(
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 b'pull',
Augie Fackler
formatting: blacken the codebase...
r43346 self.path,
all=True,
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 match=b'hash %s' % rev,
Augie Fackler
formatting: blacken the codebase...
r43346 no_test=True,
no_posthook=True,
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 external_merge=b'/bin/false',
Augie Fackler
formatting: blacken the codebase...
r43346 repodir=self.tmppath,
)
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 if status:
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 if output.find(b'We have conflicts in') == -1:
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 self.checkexit(status, output)
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 output, status = self.run(b'revert', all=True, repodir=self.tmppath)
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 self.checkexit(status, output)
Mads Kiilerich
convert: introduce --full for converting all files...
r22300 def getchanges(self, rev, full):
if full:
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 raise error.Abort(_(b"convert from darcs does not support --full"))
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 copies = {}
changes = []
Patrick Mezard
convert/darcs: handle directory renaming
r9527 man = None
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 for elt in self.changes[rev].find(b'summary').getchildren():
if elt.tag in (b'add_directory', b'remove_directory'):
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 continue
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 if elt.tag == b'move':
Patrick Mezard
convert/darcs: handle directory renaming
r9527 if man is None:
man = self.manifest()
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 source, dest = elt.get(b'from'), elt.get(b'to')
Patrick Mezard
convert/darcs: handle directory renaming
r9527 if source in man:
# File move
changes.append((source, rev))
changes.append((dest, rev))
copies[dest] = source
else:
# Directory move, deduce file moves from manifest
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 source = source + b'/'
Patrick Mezard
convert/darcs: handle directory renaming
r9527 for f in man:
if not f.startswith(source):
continue
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 fdest = dest + b'/' + f[len(source) :]
Patrick Mezard
convert/darcs: handle directory renaming
r9527 changes.append((f, rev))
changes.append((fdest, rev))
copies[fdest] = f
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 else:
changes.append((elt.text.strip(), rev))
Patrick Mezard
convert/darcs: handle directory renaming
r9527 self.pull(rev)
Bryan O'Sullivan
convert: support darcs as a source repo
r5359 self.lastrev = rev
Mads Kiilerich
convert: optimize convert of files that are unmodified from p2 in merges...
r24395 return sorted(changes), copies, set()
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
def getfile(self, name, rev):
if rev != self.lastrev:
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 raise error.Abort(_(b'internal calling inconsistency'))
Patrick Mezard
convert: merge sources getmode() into getfile()
r11134 path = os.path.join(self.tmppath, name)
Mads Kiilerich
convert: use None value for missing files instead of overloading IOError...
r22296 try:
data = util.readfile(path)
mode = os.lstat(path).st_mode
Gregory Szorc
global: mass rewrite to use modern exception syntax...
r25660 except IOError as inst:
Mads Kiilerich
convert: use None value for missing files instead of overloading IOError...
r22296 if inst.errno == errno.ENOENT:
return None, None
raise
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 mode = (mode & 0o111) and b'x' or b''
Patrick Mezard
convert: merge sources getmode() into getfile()
r11134 return data, mode
Bryan O'Sullivan
convert: support darcs as a source repo
r5359
def gettags(self):
return self.tags