author | Pierre-Yves David <pierre-yves.david@octobus.net> |
Tue, 20 Apr 2021 04:27:03 +0200 | |
changeset 46990 | 0b569c75d180 |
parent 46819 | d4ba4d51f85f |
child 48875 | 6000f5b25c9b |
permissions | -rw-r--r-- |
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# darcs.py - darcs support for the convert extension |
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# |
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# Copyright 2007-2009 Olivia Mackall <olivia@selenic.com> and others |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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from __future__ import absolute_import |
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import errno |
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import os |
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import re |
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import shutil |
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from mercurial.i18n import _ |
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from mercurial import ( |
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error, |
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pycompat, |
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util, |
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) |
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from mercurial.utils import dateutil |
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from . import common |
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NoRepo = common.NoRepo |
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# The naming drift of ElementTree is fun! |
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try: |
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import xml.etree.cElementTree.ElementTree as ElementTree |
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import xml.etree.cElementTree.XMLParser as XMLParser |
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except ImportError: |
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try: |
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import xml.etree.ElementTree.ElementTree as ElementTree |
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import xml.etree.ElementTree.XMLParser as XMLParser |
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except ImportError: |
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try: |
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import elementtree.cElementTree.ElementTree as ElementTree |
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import elementtree.cElementTree.XMLParser as XMLParser |
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except ImportError: |
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try: |
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import elementtree.ElementTree.ElementTree as ElementTree |
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import elementtree.ElementTree.XMLParser as XMLParser |
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except ImportError: |
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pass |
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class darcs_source(common.converter_source, common.commandline): |
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def __init__(self, ui, repotype, path, revs=None): |
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common.converter_source.__init__(self, ui, repotype, path, revs=revs) |
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common.commandline.__init__(self, ui, b'darcs') |
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# check for _darcs, ElementTree so that we can easily skip |
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# test-convert-darcs if ElementTree is not around |
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if not os.path.exists(os.path.join(path, b'_darcs')): |
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raise NoRepo(_(b"%s does not look like a darcs repository") % path) |
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common.checktool(b'darcs') |
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version = self.run0(b'--version').splitlines()[0].strip() |
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if version < b'2.1': |
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raise error.Abort( |
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_(b'darcs version 2.1 or newer needed (found %r)') % version |
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) |
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if b"ElementTree" not in globals(): |
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raise error.Abort(_(b"Python ElementTree module is not available")) |
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self.path = os.path.realpath(path) |
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self.lastrev = None |
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self.changes = {} |
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self.parents = {} |
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self.tags = {} |
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# Check darcs repository format |
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format = self.format() |
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if format: |
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if format in (b'darcs-1.0', b'hashed'): |
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raise NoRepo( |
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_( |
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b"%s repository format is unsupported, " |
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b"please upgrade" |
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) |
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% format |
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) |
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else: |
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self.ui.warn(_(b'failed to detect repository format!')) |
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def before(self): |
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self.tmppath = pycompat.mkdtemp( |
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prefix=b'convert-' + os.path.basename(self.path) + b'-' |
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) |
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output, status = self.run(b'init', repodir=self.tmppath) |
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self.checkexit(status) |
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tree = self.xml( |
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b'changes', xml_output=True, summary=True, repodir=self.path |
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) |
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tagname = None |
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child = None |
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for elt in tree.findall(b'patch'): |
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node = elt.get(b'hash') |
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name = elt.findtext(b'name', b'') |
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if name.startswith(b'TAG '): |
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tagname = name[4:].strip() |
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elif tagname is not None: |
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self.tags[tagname] = node |
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tagname = None |
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self.changes[node] = elt |
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self.parents[child] = [node] |
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child = node |
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self.parents[child] = [] |
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def after(self): |
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113 |
self.ui.debug(b'cleaning up %s\n' % self.tmppath) |
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114 |
shutil.rmtree(self.tmppath, ignore_errors=True) |
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115 |
|
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116 |
def recode(self, s, encoding=None): |
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117 |
if isinstance(s, pycompat.unicode): |
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118 |
# XMLParser returns unicode objects for anything it can't |
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119 |
# encode into ASCII. We convert them back to str to get |
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120 |
# recode's normal conversion behavior. |
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|
121 |
s = s.encode('latin-1') |
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|
122 |
return super(darcs_source, self).recode(s, encoding) |
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|
123 |
|
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124 |
def xml(self, cmd, **kwargs): |
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|
125 |
# NOTE: darcs is currently encoding agnostic and will print |
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|
126 |
# patch metadata byte-for-byte, even in the XML changelog. |
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127 |
etree = ElementTree() |
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|
128 |
# While we are decoding the XML as latin-1 to be as liberal as |
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129 |
# possible, etree will still raise an exception if any |
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130 |
# non-printable characters are in the XML changelog. |
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131 |
parser = XMLParser(encoding=b'latin-1') |
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132 |
p = self._run(cmd, **kwargs) |
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133 |
etree.parse(p.stdout, parser=parser) |
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134 |
p.wait() |
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|
135 |
self.checkexit(p.returncode) |
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136 |
return etree.getroot() |
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|
137 |
|
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|
138 |
def format(self): |
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139 |
output, status = self.run(b'show', b'repo', repodir=self.path) |
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|
140 |
self.checkexit(status) |
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|
141 |
m = re.search(r'^\s*Format:\s*(.*)$', output, re.MULTILINE) |
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|
142 |
if not m: |
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|
143 |
return None |
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144 |
return b','.join(sorted(f.strip() for f in m.group(1).split(b','))) |
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|
145 |
|
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146 |
def manifest(self): |
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147 |
man = [] |
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148 |
output, status = self.run( |
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|
149 |
b'show', b'files', no_directories=True, repodir=self.tmppath |
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|
150 |
) |
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|
151 |
self.checkexit(status) |
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|
152 |
for line in output.split(b'\n'): |
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|
153 |
path = line[2:] |
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|
154 |
if path: |
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|
155 |
man.append(path) |
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|
156 |
return man |
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|
157 |
|
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|
158 |
def getheads(self): |
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|
159 |
return self.parents[None] |
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|
160 |
|
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|
161 |
def getcommit(self, rev): |
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|
162 |
elt = self.changes[rev] |
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|
163 |
dateformat = b'%a %b %d %H:%M:%S %Z %Y' |
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|
164 |
date = dateutil.strdate(elt.get(b'local_date'), dateformat) |
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|
165 |
desc = elt.findtext(b'name') + b'\n' + elt.findtext(b'comment', b'') |
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|
166 |
# etree can return unicode objects for name, comment, and author, |
4481f8a93c7a
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|
167 |
# so recode() is used to ensure str objects are emitted. |
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|
168 |
newdateformat = b'%Y-%m-%d %H:%M:%S %1%2' |
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|
169 |
return common.commit( |
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|
170 |
author=self.recode(elt.get(b'author')), |
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|
171 |
date=dateutil.datestr(date, newdateformat), |
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|
172 |
desc=self.recode(desc).strip(), |
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|
173 |
parents=self.parents[rev], |
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changeset
|
174 |
) |
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changeset
|
175 |
|
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changeset
|
176 |
def pull(self, rev): |
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|
177 |
output, status = self.run( |
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|
178 |
b'pull', |
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|
179 |
self.path, |
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|
180 |
all=True, |
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|
181 |
match=b'hash %s' % rev, |
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|
182 |
no_test=True, |
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|
183 |
no_posthook=True, |
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|
184 |
external_merge=b'/bin/false', |
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|
185 |
repodir=self.tmppath, |
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|
186 |
) |
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changeset
|
187 |
if status: |
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|
188 |
if output.find(b'We have conflicts in') == -1: |
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|
189 |
self.checkexit(status, output) |
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|
190 |
output, status = self.run(b'revert', all=True, repodir=self.tmppath) |
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|
191 |
self.checkexit(status, output) |
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changeset
|
192 |
|
22300
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convert: introduce --full for converting all files
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
193 |
def getchanges(self, rev, full): |
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|
194 |
if full: |
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|
195 |
raise error.Abort(_(b"convert from darcs does not support --full")) |
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|
196 |
copies = {} |
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|
197 |
changes = [] |
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|
198 |
man = None |
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|
199 |
for elt in self.changes[rev].find(b'summary').getchildren(): |
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|
200 |
if elt.tag in (b'add_directory', b'remove_directory'): |
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|
201 |
continue |
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|
202 |
if elt.tag == b'move': |
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|
203 |
if man is None: |
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|
204 |
man = self.manifest() |
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|
205 |
source, dest = elt.get(b'from'), elt.get(b'to') |
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|
206 |
if source in man: |
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|
207 |
# File move |
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|
208 |
changes.append((source, rev)) |
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|
209 |
changes.append((dest, rev)) |
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|
210 |
copies[dest] = source |
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|
211 |
else: |
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|
212 |
# Directory move, deduce file moves from manifest |
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|
213 |
source = source + b'/' |
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|
214 |
for f in man: |
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|
215 |
if not f.startswith(source): |
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|
216 |
continue |
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|
217 |
fdest = dest + b'/' + f[len(source) :] |
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|
218 |
changes.append((f, rev)) |
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|
219 |
changes.append((fdest, rev)) |
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|
220 |
copies[fdest] = f |
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else: |
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changes.append((elt.text.strip(), rev)) |
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self.pull(rev) |
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self.lastrev = rev |
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return sorted(changes), copies, set() |
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226 |
|
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def getfile(self, name, rev): |
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if rev != self.lastrev: |
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raise error.Abort(_(b'internal calling inconsistency')) |
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path = os.path.join(self.tmppath, name) |
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try: |
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data = util.readfile(path) |
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mode = os.lstat(path).st_mode |
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except IOError as inst: |
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if inst.errno == errno.ENOENT: |
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return None, None |
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raise |
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mode = (mode & 0o111) and b'x' or b'' |
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return data, mode |
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|
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def gettags(self): |
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return self.tags |