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# monotone.py - monotone support for the convert extension
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#
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# Copyright 2008, 2009 Mikkel Fahnoe Jorgensen <mikkel@dvide.com> and
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# 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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import os, re
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from mercurial import util
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from common import NoRepo, commit, converter_source, checktool
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from common import commandline
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from mercurial.i18n import _
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class monotone_source(converter_source, commandline):
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def __init__(self, ui, path=None, rev=None):
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converter_source.__init__(self, ui, path, rev)
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commandline.__init__(self, ui, 'mtn')
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self.ui = ui
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self.path = path
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norepo = NoRepo(_("%s does not look like a monotone repository")
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% path)
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if not os.path.exists(os.path.join(path, '_MTN')):
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# Could be a monotone repository (SQLite db file)
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try:
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header = file(path, 'rb').read(16)
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except:
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header = ''
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if header != 'SQLite format 3\x00':
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raise norepo
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# regular expressions for parsing monotone output
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space = r'\s*'
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name = r'\s+"((?:\\"|[^"])*)"\s*'
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value = name
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revision = r'\s+\[(\w+)\]\s*'
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lines = r'(?:.|\n)+'
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self.dir_re = re.compile(space + "dir" + name)
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self.file_re = re.compile(space + "file" + name +
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"content" + revision)
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self.add_file_re = re.compile(space + "add_file" + name +
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"content" + revision)
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self.patch_re = re.compile(space + "patch" + name +
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"from" + revision + "to" + revision)
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self.rename_re = re.compile(space + "rename" + name + "to" + name)
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self.delete_re = re.compile(space + "delete" + name)
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self.tag_re = re.compile(space + "tag" + name + "revision" +
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revision)
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self.cert_re = re.compile(lines + space + "name" + name +
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"value" + value)
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attr = space + "file" + lines + space + "attr" + space
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self.attr_execute_re = re.compile(attr + '"mtn:execute"' +
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space + '"true"')
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# cached data
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self.manifest_rev = None
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self.manifest = None
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self.files = None
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self.dirs = None
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checktool('mtn', abort=False)
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# test if there are any revisions
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self.rev = None
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try:
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self.getheads()
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except:
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raise norepo
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self.rev = rev
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def mtnrun(self, *args, **kwargs):
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kwargs['d'] = self.path
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return self.run0('automate', *args, **kwargs)
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def mtnloadmanifest(self, rev):
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if self.manifest_rev == rev:
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return
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self.manifest = self.mtnrun("get_manifest_of", rev).split("\n\n")
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self.manifest_rev = rev
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self.files = {}
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self.dirs = {}
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for e in self.manifest:
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m = self.file_re.match(e)
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if m:
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attr = ""
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name = m.group(1)
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node = m.group(2)
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if self.attr_execute_re.match(e):
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attr += "x"
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self.files[name] = (node, attr)
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m = self.dir_re.match(e)
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if m:
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self.dirs[m.group(1)] = True
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def mtnisfile(self, name, rev):
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# a non-file could be a directory or a deleted or renamed file
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self.mtnloadmanifest(rev)
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return name in self.files
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def mtnisdir(self, name, rev):
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self.mtnloadmanifest(rev)
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return name in self.dirs
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def mtngetcerts(self, rev):
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certs = {"author":"<missing>", "date":"<missing>",
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"changelog":"<missing>", "branch":"<missing>"}
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certlist = self.mtnrun("certs", rev)
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# mtn < 0.45:
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# key "test@selenic.com"
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# mtn >= 0.45:
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# key [ff58a7ffb771907c4ff68995eada1c4da068d328]
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certlist = re.split('\n\n key ["\[]', certlist)
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for e in certlist:
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m = self.cert_re.match(e)
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if m:
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name, value = m.groups()
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value = value.replace(r'\"', '"')
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value = value.replace(r'\\', '\\')
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certs[name] = value
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# Monotone may have subsecond dates: 2005-02-05T09:39:12.364306
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# and all times are stored in UTC
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certs["date"] = certs["date"].split('.')[0] + " UTC"
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return certs
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# implement the converter_source interface:
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def getheads(self):
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if not self.rev:
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return self.mtnrun("leaves").splitlines()
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else:
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return [self.rev]
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def getchanges(self, rev):
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#revision = self.mtncmd("get_revision %s" % rev).split("\n\n")
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revision = self.mtnrun("get_revision", rev).split("\n\n")
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files = {}
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ignoremove = {}
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renameddirs = []
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copies = {}
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for e in revision:
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m = self.add_file_re.match(e)
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if m:
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files[m.group(1)] = rev
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ignoremove[m.group(1)] = rev
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m = self.patch_re.match(e)
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if m:
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files[m.group(1)] = rev
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# Delete/rename is handled later when the convert engine
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# discovers an IOError exception from getfile,
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# but only if we add the "from" file to the list of changes.
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m = self.delete_re.match(e)
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if m:
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files[m.group(1)] = rev
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m = self.rename_re.match(e)
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if m:
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toname = m.group(2)
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fromname = m.group(1)
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if self.mtnisfile(toname, rev):
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ignoremove[toname] = 1
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copies[toname] = fromname
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files[toname] = rev
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files[fromname] = rev
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elif self.mtnisdir(toname, rev):
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renameddirs.append((fromname, toname))
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# Directory renames can be handled only once we have recorded
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# all new files
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for fromdir, todir in renameddirs:
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renamed = {}
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for tofile in self.files:
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if tofile in ignoremove:
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continue
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if tofile.startswith(todir + '/'):
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renamed[tofile] = fromdir + tofile[len(todir):]
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# Avoid chained moves like:
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# d1(/a) => d3/d1(/a)
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# d2 => d3
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ignoremove[tofile] = 1
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for tofile, fromfile in renamed.items():
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self.ui.debug (_("copying file in renamed directory "
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"from '%s' to '%s'")
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% (fromfile, tofile), '\n')
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files[tofile] = rev
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copies[tofile] = fromfile
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for fromfile in renamed.values():
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files[fromfile] = rev
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return (files.items(), copies)
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def getfile(self, name, rev):
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if not self.mtnisfile(name, rev):
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raise IOError() # file was deleted or renamed
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try:
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data = self.mtnrun("get_file_of", name, r=rev)
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except:
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raise IOError() # file was deleted or renamed
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self.mtnloadmanifest(rev)
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node, attr = self.files.get(name, (None, ""))
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return data, attr
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def getcommit(self, rev):
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certs = self.mtngetcerts(rev)
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return commit(
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author=certs["author"],
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date=util.datestr(util.strdate(certs["date"], "%Y-%m-%dT%H:%M:%S")),
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desc=certs["changelog"],
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rev=rev,
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parents=self.mtnrun("parents", rev).splitlines(),
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branch=certs["branch"])
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def gettags(self):
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tags = {}
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for e in self.mtnrun("tags").split("\n\n"):
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m = self.tag_re.match(e)
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if m:
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tags[m.group(1)] = m.group(2)
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return tags
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def getchangedfiles(self, rev, i):
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# This function is only needed to support --filemap
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# ... and we don't support that
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raise NotImplementedError()
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