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diff --git a/interfaces/web/Bugs-Everywhere-Web/libbe/hg.py b/interfaces/web/Bugs-Everywhere-Web/libbe/hg.py
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+# Copyright (C) 2007-2009 Aaron Bentley and Panometrics, Inc.
+# Ben Finney <ben+python@benfinney.id.au>
+# W. Trevor King <wking@drexel.edu>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import os
+import re
+import sys
+import unittest
+import doctest
+
+import rcs
+from rcs import RCS
+
+def new():
+ return Hg()
+
+class Hg(RCS):
+ name="hg"
+ client="hg"
+ versioned=True
+ def _rcs_help(self):
+ status,output,error = self._u_invoke_client("--help")
+ return output
+ def _rcs_detect(self, path):
+ """Detect whether a directory is revision-controlled using Mercurial"""
+ if self._u_search_parent_directories(path, ".hg") != None:
+ return True
+ return False
+ def _rcs_root(self, path):
+ status,output,error = self._u_invoke_client("root", directory=path)
+ return output.rstrip('\n')
+ def _rcs_init(self, path):
+ self._u_invoke_client("init", directory=path)
+ def _rcs_get_user_id(self):
+ status,output,error = self._u_invoke_client("showconfig","ui.username")
+ return output.rstrip('\n')
+ def _rcs_set_user_id(self, value):
+ """
+ Supported by the Config Extension, but that is not part of
+ standard Mercurial.
+ http://www.selenic.com/mercurial/wiki/index.cgi/ConfigExtension
+ """
+ raise rcs.SettingIDnotSupported
+ def _rcs_add(self, path):
+ self._u_invoke_client("add", path)
+ def _rcs_remove(self, path):
+ self._u_invoke_client("rm", "--force", path)
+ def _rcs_update(self, path):
+ pass
+ def _rcs_get_file_contents(self, path, revision=None, binary=False):
+ if revision == None:
+ return RCS._rcs_get_file_contents(self, path, revision, binary=binary)
+ else:
+ status,output,error = \
+ self._u_invoke_client("cat","-r",revision,path)
+ return output
+ def _rcs_duplicate_repo(self, directory, revision=None):
+ if revision == None:
+ return RCS._rcs_duplicate_repo(self, directory, revision)
+ else:
+ self._u_invoke_client("archive", "--rev", revision, directory)
+ def _rcs_commit(self, commitfile, allow_empty=False):
+ args = ['commit', '--logfile', commitfile]
+ status,output,error = self._u_invoke_client(*args)
+ if allow_empty == False:
+ strings = ["nothing changed"]
+ if self._u_any_in_string(strings, output) == True:
+ raise rcs.EmptyCommit()
+ status,output,error = self._u_invoke_client('identify')
+ revision = None
+ revline = re.compile("(.*) tip")
+ match = revline.search(output)
+ assert match != None, output+error
+ assert len(match.groups()) == 1
+ revision = match.groups()[0]
+ return revision
+
+
+rcs.make_rcs_testcase_subclasses(Hg, sys.modules[__name__])
+
+unitsuite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
+suite = unittest.TestSuite([unitsuite, doctest.DocTestSuite()])