# -*- coding: utf-8 -*- # vim:set shiftwidth=4 tabstop=4 expandtab textwidth=79:#Copyright (c) 2005 Ali Afshar <aafshar@gmail.com>#Permission is hereby granted, free of charge, to any person obtaining a copy#of this software and associated documentation files (the "Software"), to deal#in the Software without restriction, including without limitation the rights#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell#copies of the Software, and to permit persons to whom the Software is#furnished to do so, subject to the following conditions:#The above copyright notice and this permission notice shall be included in#all copies or substantial portions of the Software.#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE#SOFTWARE.import osimport errnoimport _vcSTATES = {    "a": _vc.STATE_NONE,    "A": _vc.STATE_NEW,    "M": _vc.STATE_MODIFIED,    "C": _vc.STATE_CONFLICT,    "R": _vc.STATE_REMOVED}class Vc(_vc.Vc):    CMD = "darcs"    NAME = "Darcs"    PATCH_STRIP_NUM = 1    PATCH_INDEX_RE = "--- old.+?/(.+?)\\t+.*[0-9]{4}$"    def __init__(self, location):        self._cachetime = None        while location != "/":            if os.path.isdir( "%s/_darcs" % location):                self.root = location                return            location = os.path.dirname(location)        raise ValueError()    def commit_command(self, message):        return [self.CMD, "record",                "--skip-long-comment",                "--repodir=%s" % self.root,                "-a",                "-m", message]    def diff_command(self):        return [self.CMD, "diff", "-u",                "--repodir=%s" % self.root]    def update_command(self):        # This will not work while passing the files parameter after it        # This hack allows you to update in the root directory        return [self.CMD, "pull", "-a", "-p"]    def add_command(self, binary=0):        return [self.CMD, "add"]    def remove_command(self, force=0):        return [self.CMD, "remove"]     def revert_command(self):        # will not work, since darcs needs interaction it seems        return [self.CMD, "revert", "-a"]    def get_working_directory(self, workdir):        return self.root     def cache_inventory(self, rootdir):        self._cached_statuses = self._calculate_statuses()    def uncache_inventory(self):        self._cached_statuses = None    def _get_dirsandfiles(self, directory, dirs, files):        whatsnew = self._get_cached_statuses()        retfiles, retdirs = (self._get_statuses(whatsnew, files, _vc.File),                             self._get_statuses(whatsnew, dirs, _vc.Dir))        return retfiles, retdirs    def _get_cached_statuses(self):        if self._cached_statuses is None:            self._cached_statuses = self._calculate_statuses()        return self._cached_statuses        def _calculate_statuses(self):        non_boring = self._get_whatsnew()        boring = self._get_whatsnew(boring=True)        for path in boring:            if not path in non_boring:                non_boring[path] = _vc.STATE_IGNORED        return non_boring    def _get_whatsnew(self, boring=False):        whatsnew = {}        commandline = ('%s whatsnew --summary -l --repodir=%s' %                      (self.CMD, self.root))        if boring:            commandline = '%s --boring' % commandline        while 1:            try:                p = os.popen(commandline)                break            except OSError, e:                if e.errno != errno.EAGAIN:                    raise        for line in p:            elements = line.split()            if len(elements) > 1:                if elements[1] == '->':                    status = _vc.STATE_NEW                    filename = elements.pop()                else:                    status = STATES[elements.pop(0)]                    filename = elements.pop(0)                filepath = os.path.join(self.root,                                        os.path.normpath(filename))                whatsnew[filepath] = status        return whatsnew    def _get_statuses(self, whatsnew, files, fstype):        rets = []        for filename, path in files:            state = _vc.STATE_NORMAL            if path in whatsnew:                state = whatsnew[path]            vcfile = fstype(path, filename, state)            if filename != "_darcs":                rets.append(vcfile)        return rets