--- /dev/null
+# Copyright (C) 2007 Chris Ball <chris@printf.net>,
+# 2009 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+import codecs
+import os
+import re
+import sys
+import unittest
+import doctest
+
+import rcs
+from rcs import RCS
+
+def new():
+ return Darcs()
+
+class Darcs(RCS):
+ name="darcs"
+ client="darcs"
+ versioned=True
+ def _rcs_help(self):
+ status,output,error = self._u_invoke_client("--help")
+ return output
+ def _rcs_detect(self, path):
+ if self._u_search_parent_directories(path, "_darcs") != None :
+ return True
+ return False
+ def _rcs_root(self, path):
+ """Find the root of the deepest repository containing path."""
+ # Assume that nothing funny is going on; in particular, that we aren't
+ # dealing with a bare repo.
+ if os.path.isdir(path) != True:
+ path = os.path.dirname(path)
+ darcs_dir = self._u_search_parent_directories(path, "_darcs")
+ if darcs_dir == None:
+ return None
+ return os.path.dirname(darcs_dir)
+ def _rcs_init(self, path):
+ self._u_invoke_client("init", directory=path)
+ def _rcs_get_user_id(self):
+ # following http://darcs.net/manual/node4.html#SECTION00410030000000000000
+ # as of June 29th, 2009
+ if self.rootdir == None:
+ return None
+ darcs_dir = os.path.join(self.rootdir, "_darcs")
+ if darcs_dir != None:
+ for pref_file in ["author", "email"]:
+ pref_path = os.path.join(darcs_dir, "prefs", pref_file)
+ if os.path.exists(pref_path):
+ return self.get_file_contents(pref_path)
+ for env_variable in ["DARCS_EMAIL", "EMAIL"]:
+ if env_variable in os.environ:
+ return os.environ[env_variable]
+ return None
+ def _rcs_set_user_id(self, value):
+ if self.rootdir == None:
+ self.root(".")
+ if self.rootdir == None:
+ raise rcs.SettingIDnotSupported
+ author_path = os.path.join(self.rootdir, "_darcs", "prefs", "author")
+ f = codecs.open(author_path, "w", self.encoding)
+ f.write(value)
+ f.close()
+ def _rcs_add(self, path):
+ if os.path.isdir(path):
+ return
+ self._u_invoke_client("add", path)
+ def _rcs_remove(self, path):
+ if not os.path.isdir(self._u_abspath(path)):
+ os.remove(os.path.join(self.rootdir, path)) # darcs notices removal
+ def _rcs_update(self, path):
+ pass # darcs notices changes
+ 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:
+ try:
+ return self._u_invoke_client("show", "contents", "--patch", revision, path)
+ except rcs.CommandError:
+ # Darcs versions < 2.0.0pre2 lack the "show contents" command
+
+ status,output,error = self._u_invoke_client("diff", "--unified",
+ "--from-patch",
+ revision, path)
+ major_patch = output
+ status,output,error = self._u_invoke_client("diff", "--unified",
+ "--patch",
+ revision, path)
+ target_patch = output
+
+ # "--output -" to be supported in GNU patch > 2.5.9
+ # but that hasn't been released as of June 30th, 2009.
+
+ # Rewrite path to status before the patch we want
+ args=["patch", "--reverse", path]
+ status,output,error = self._u_invoke(args, stdin=major_patch)
+ # Now apply the patch we want
+ args=["patch", path]
+ status,output,error = self._u_invoke(args, stdin=target_patch)
+
+ if os.path.exists(os.path.join(self.rootdir, path)) == True:
+ contents = RCS._rcs_get_file_contents(self, path,
+ binary=binary)
+ else:
+ contents = ""
+
+ # Now restore path to it's current incarnation
+ args=["patch", "--reverse", path]
+ status,output,error = self._u_invoke(args, stdin=target_patch)
+ args=["patch", path]
+ status,output,error = self._u_invoke(args, stdin=major_patch)
+ current_contents = RCS._rcs_get_file_contents(self, path,
+ binary=binary)
+ return contents
+ def _rcs_duplicate_repo(self, directory, revision=None):
+ if revision==None:
+ RCS._rcs_duplicate_repo(self, directory, revision)
+ else:
+ self._u_invoke_client("put", "--no-pristine-tree",
+ "--to-patch", revision, directory)
+ def _rcs_commit(self, commitfile):
+ id = self.get_user_id()
+ if '@' not in id:
+ id = "%s <%s@invalid.com>" % (id, id)
+ # Darcs doesn't like commitfiles without trailing endlines.
+ f = codecs.open(commitfile, 'r', self.encoding)
+ contents = f.read()
+ f.close()
+ if contents[-1] != '\n':
+ f = codecs.open(commitfile, 'a', self.encoding)
+ f.write('\n')
+ f.close()
+ status,output,error = self._u_invoke_client('record', '--all',
+ '--author', id,
+ '--logfile', commitfile)
+ revision = None
+
+ revline = re.compile("Finished recording patch '(.*)'")
+ match = revline.search(output)
+ assert match != None, output+error
+ assert len(match.groups()) == 1
+ revision = match.groups()[0]
+ return revision
+
+\f
+rcs.make_rcs_testcase_subclasses(Darcs, sys.modules[__name__])
+
+unitsuite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
+suite = unittest.TestSuite([unitsuite, doctest.DocTestSuite()])
"""Return the first module for which matchfn(RCS_instance) is true"""
import arch
import bzr
- import hg
+ import darcs
import git
- for module in [arch, bzr, hg, git]:
+ import hg
+ for module in [arch, bzr, darcs, git, hg]:
rcs = module.new()
if matchfn(rcs) == True:
return rcs
pass
def postcommit(self, directory):
pass
- def _u_invoke(self, args, expect=(0,), cwd=None):
+ def _u_invoke(self, args, stdin=None, expect=(0,), cwd=None):
if cwd == None:
cwd = self.rootdir
if self.verboseInvoke == True:
except OSError, e :
strerror = "%s\nwhile executing %s" % (e.args[1], args)
raise CommandError(strerror, e.args[0])
- output, error = q.communicate()
+ output, error = q.communicate(input=stdin)
status = q.wait()
if self.verboseInvoke == True:
print >> sys.stderr, "%d\n%s%s" % (status, output, error)
def _u_invoke_client(self, *args, **kwargs):
directory = kwargs.get('directory',None)
expect = kwargs.get('expect', (0,))
+ stdin = kwargs.get('stdin', None)
cl_args = [self.client]
cl_args.extend(args)
- return self._u_invoke(cl_args, expect, cwd=directory)
+ return self._u_invoke(cl_args, stdin=stdin,expect=expect,cwd=directory)
def _u_search_parent_directories(self, path, filename):
"""
Find the file (or directory) named filename in path or in any
testcase.dir = Dir()
testcase.dirname = testcase.dir.path
+ rcs_not_supporting_uninitialized_user_id = []
+ rcs_not_supporting_set_user_id = ["None", "hg"]
testcase.rcs_supports_uninitialized_user_id = (
- testcase.rcs.name not in ["git"])
+ testcase.rcs.name not in rcs_not_supporting_uninitialized_user_id)
testcase.rcs_supports_set_user_id = (
- testcase.rcs.name not in ["None", "hg"])
+ testcase.rcs.name not in rcs_not_supporting_set_user_id)
if not testcase.rcs.installed():
testcase.fail(