| """Handles the Stacked GIT configuration files |
| """ |
| |
| __copyright__ = """ |
| Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com> |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License version 2 as |
| published by the Free Software Foundation. |
| |
| 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 os, re |
| from stgit import basedir |
| from stgit.exception import * |
| from stgit.run import * |
| |
| class GitConfigException(StgException): |
| pass |
| |
| class GitConfig: |
| __defaults={ |
| 'stgit.smtpserver': ['localhost:25'], |
| 'stgit.smtpdelay': ['5'], |
| 'stgit.pullcmd': ['git pull'], |
| 'stgit.fetchcmd': ['git fetch'], |
| 'stgit.pull-policy': ['pull'], |
| 'stgit.autoimerge': ['no'], |
| 'stgit.keepoptimized': ['no'], |
| 'stgit.shortnr': ['5'], |
| 'stgit.pager': ['less'], |
| 'stgit.alias.add': ['git add'], |
| 'stgit.alias.rm': ['git rm'], |
| 'stgit.alias.mv': ['git mv'], |
| 'stgit.alias.resolved': ['git add'], |
| 'stgit.alias.status': ['git status -s'] |
| } |
| |
| __cache = None |
| |
| def load(self): |
| """Load the whole configuration in __cache unless it has been |
| done already.""" |
| if self.__cache is not None: |
| return |
| self.__cache = self.__defaults |
| lines = Run('git', 'config', '--null', '--list' |
| ).discard_exitcode().raw_output() |
| for line in filter(None, lines.split('\0')): |
| key, value = line.split('\n', 1) |
| self.__cache.setdefault(key, []).append(value) |
| |
| def get(self, name): |
| self.load() |
| try: |
| return self.__cache[name][-1] |
| except KeyError: |
| return None |
| |
| def getall(self, name): |
| self.load() |
| try: |
| return self.__cache[name] |
| except KeyError: |
| return [] |
| |
| def getint(self, name): |
| value = self.get(name) |
| if value == None: |
| return None |
| elif value.isdigit(): |
| return int(value) |
| else: |
| raise GitConfigException, 'Value for "%s" is not an integer: "%s"' % (name, value) |
| |
| def getstartswith(self, name): |
| self.load() |
| return ((n, v[-1]) for (n, v) in self.__cache.iteritems() |
| if n.startswith(name)) |
| |
| def rename_section(self, from_name, to_name): |
| """Rename a section in the config file. Silently do nothing if |
| the section doesn't exist.""" |
| Run('git', 'config', '--rename-section', from_name, to_name |
| ).returns([0, 1, 128]).run() |
| self.__cache.clear() |
| |
| def remove_section(self, name): |
| """Remove a section in the config file. Silently do nothing if |
| the section doesn't exist.""" |
| Run('git', 'config', '--remove-section', name |
| ).returns([0, 1, 128]).discard_stderr().discard_output() |
| self.__cache.clear() |
| |
| def set(self, name, value): |
| Run('git', 'config', name, value).run() |
| self.__cache[name] = value |
| |
| def unset(self, name): |
| Run('git', 'config', '--unset', name).run() |
| self.__cache[name] = [None] |
| |
| def sections_matching(self, regexp): |
| """Takes a regexp with a single group, matches it against all |
| config variables, and returns a list whose members are the |
| group contents, for all variable names matching the regexp. |
| """ |
| result = [] |
| for line in Run('git', 'config', '--get-regexp', '"^%s$"' % regexp |
| ).returns([0, 1]).output_lines(): |
| m = re.match('^%s ' % regexp, line) |
| if m: |
| result.append(m.group(1)) |
| return result |
| |
| def get_colorbool(self, name, stdout_is_tty): |
| """Invoke 'git config --get-colorbool' and return the result.""" |
| return Run('git', 'config', '--get-colorbool', name, |
| stdout_is_tty).output_one_line() |
| |
| config=GitConfig() |
| |
| def config_setup(): |
| global config |
| |
| os.environ.setdefault('PAGER', config.get('stgit.pager')) |
| os.environ.setdefault('LESS', '-FRSX') |
| # FIXME: handle EDITOR the same way ? |
| |
| class ConfigOption: |
| """Delayed cached reading of a configuration option. |
| """ |
| def __init__(self, section, option): |
| self.__section = section |
| self.__option = option |
| self.__value = None |
| |
| def __str__(self): |
| if not self.__value: |
| self.__value = config.get(self.__section + '.' + self.__option) |
| return self.__value |
| |
| |
| # cached extensions |
| __extensions = None |
| |
| def file_extensions(): |
| """Returns a dictionary with the conflict file extensions |
| """ |
| global __extensions |
| |
| if not __extensions: |
| cfg_ext = config.get('stgit.extensions').split() |
| if len(cfg_ext) != 3: |
| raise CmdException, '"extensions" configuration error' |
| |
| __extensions = { 'ancestor': cfg_ext[0], |
| 'current': cfg_ext[1], |
| 'patched': cfg_ext[2] } |
| |
| return __extensions |