Mercurial > hg
view hgext/convert/darcs.py @ 5462:91a522a69c13
convert: svn -- fix tags handling
They were simply not detected.
author | Kirill Smelkov <kirr@landau.phys.spbu.ru> |
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date | Sat, 13 Oct 2007 15:25:11 +0400 |
parents | fbf40ad5a8c2 |
children | 003d1f174fe1 f0a3918abd42 |
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# darcs support for the convert extension from common import NoRepo, 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): def __init__(self, ui, path, rev=None): super(darcs_source, self).__init__(ui, path, rev=rev) if not os.path.exists(os.path.join(path, '_darcs', 'inventory')): raise NoRepo("couldn't open darcs repo %s" % path) 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', '--summary') 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 _run(self, cmd, *args, **kwargs): cmdline = ['darcs', cmd, '--repodir', kwargs.get('repodir', self.path)] cmdline += args cmdline = [util.shellquote(arg) for arg in cmdline] cmdline += ['<', util.nulldev] cmdline = util.quotecommand(' '.join(cmdline)) self.ui.debug(cmdline, '\n') return os.popen(cmdline, 'r') def run(self, cmd, *args, **kwargs): fp = self._run(cmd, *args, **kwargs) output = fp.read() return output, fp.close() def checkexit(self, status, output=''): if status: if output: self.ui.warn(_('darcs error:\n')) self.ui.warn(output) msg = util.explain_exit(status)[0] raise util.Abort(_('darcs %s') % msg) def xml(self, cmd, *opts): etree = ElementTree() fp = self._run(cmd, *opts) 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', '--match', 'hash %s' % rev, '--no-test', '--no-posthook', '--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', 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)) changes.sort() self.lastrev = rev return 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