1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
# 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
# GNU General Public License version 2, incorporated herein by reference.
from common import NoRepo, checktool, commandline, commit, converter_source
from mercurial.i18n import _
from mercurial import util
import os, shutil, tempfile
# The naming drift of ElementTree is fun!
try: from xml.etree.cElementTree import ElementTree
except ImportError:
try: from xml.etree.ElementTree import ElementTree
except ImportError:
try: from elementtree.cElementTree import ElementTree
except ImportError:
try: from elementtree.ElementTree import ElementTree
except ImportError: ElementTree = None
class darcs_source(converter_source, commandline):
def __init__(self, ui, path, rev=None):
converter_source.__init__(self, ui, path, rev=rev)
commandline.__init__(self, ui, 'darcs')
# check for _darcs, ElementTree, _darcs/inventory so that we can
# easily skip test-convert-darcs if ElementTree is not around
if not os.path.exists(os.path.join(path, '_darcs', 'inventories')):
raise NoRepo("%s does not look like a darcs repo" % path)
if not os.path.exists(os.path.join(path, '_darcs')):
raise NoRepo("%s does not look like a darcs repo" % path)
checktool('darcs')
version = self.run0('--version').splitlines()[0].strip()
if version < '2.1':
raise util.Abort(_('darcs version 2.1 or newer needed (found %r)') %
version)
if ElementTree is None:
raise util.Abort(_("Python ElementTree module is not available"))
self.path = os.path.realpath(path)
self.lastrev = None
self.changes = {}
self.parents = {}
self.tags = {}
def before(self):
self.tmppath = tempfile.mkdtemp(
prefix='convert-' + os.path.basename(self.path) + '-')
output, status = self.run('init', repodir=self.tmppath)
self.checkexit(status)
tree = self.xml('changes', xml_output=True, summary=True,
repodir=self.path)
tagname = None
child = None
for elt in tree.findall('patch'):
node = elt.get('hash')
name = elt.findtext('name', '')
if name.startswith('TAG '):
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):
self.ui.debug(_('cleaning up %s\n') % self.tmppath)
shutil.rmtree(self.tmppath, ignore_errors=True)
def xml(self, cmd, **kwargs):
etree = ElementTree()
fp = self._run(cmd, **kwargs)
etree.parse(fp)
self.checkexit(fp.close())
return etree.getroot()
def getheads(self):
return self.parents[None]
def getcommit(self, rev):
elt = self.changes[rev]
date = util.strdate(elt.get('local_date'), '%a %b %d %H:%M:%S %Z %Y')
desc = elt.findtext('name') + '\n' + elt.findtext('comment', '')
return commit(author=elt.get('author'), date=util.datestr(date),
desc=desc.strip(), parents=self.parents[rev])
def pull(self, rev):
output, status = self.run('pull', self.path, all=True,
match='hash %s' % rev,
no_test=True, no_posthook=True,
external_merge='/bin/false',
repodir=self.tmppath)
if status:
if output.find('We have conflicts in') == -1:
self.checkexit(status, output)
output, status = self.run('revert', all=True, repodir=self.tmppath)
self.checkexit(status, output)
def getchanges(self, rev):
self.pull(rev)
copies = {}
changes = []
for elt in self.changes[rev].find('summary').getchildren():
if elt.tag in ('add_directory', 'remove_directory'):
continue
if elt.tag == 'move':
changes.append((elt.get('from'), rev))
copies[elt.get('from')] = elt.get('to')
else:
changes.append((elt.text.strip(), rev))
self.lastrev = rev
return sorted(changes), copies
def getfile(self, name, rev):
if rev != self.lastrev:
raise util.Abort(_('internal calling inconsistency'))
return open(os.path.join(self.tmppath, name), 'rb').read()
def getmode(self, name, rev):
mode = os.lstat(os.path.join(self.tmppath, name)).st_mode
return (mode & 0111) and 'x' or ''
def gettags(self):
return self.tags
|
