commands/lib/layman/overlays/git.py

   1 #!/usr/bin/python
   2 # -*- coding: utf-8 -*-
   3 #################################################################################
   4 # LAYMAN GIT OVERLAY HANDLER
   5 #################################################################################
   6 # File:       git.py
   7 #
   8 #             Handles git overlays
   9 #
  10 # Copyright:
  11 #             (c) 2005 - 2008 Gunnar Wrobel, Stefan Schweizer
  12 #             Distributed under the terms of the GNU General Public License v2
  13 #
  14 # Author(s):
  15 #             Gunnar Wrobel <wrobel@gentoo.org>
  16 #             Stefan Schweizer <genstef@gentoo.org>
  17 ''' Git overlay support.'''
  18
  19 __version__ = "$Id: git.py 146 2006-05-27 09:52:36Z wrobel $"
  20
  21 #===============================================================================
  22 #
  23 # Dependencies
  24 #
  25 #-------------------------------------------------------------------------------
  26
  27 from   layman.utils             import path
  28 from   layman.overlays.overlay  import Overlay
  29
  30 #===============================================================================
  31 #
  32 # Class GitOverlay
  33 #
  34 #-------------------------------------------------------------------------------
  35
  36 class GitOverlay(Overlay):
  37     ''' Handles git overlays.'''
  38
  39     type = 'Git'
  40
  41     binary_command  = '/usr/bin/git'
  42
  43     def add(self, base, quiet = False):
  44         '''Add overlay.'''
  45
  46         self.supported()
  47
  48         if quiet:
  49             quiet_option = '-q '
  50         else:
  51             quiet_option = ''
  52
  53         # http:// should get trailing slash, other protocols shouldn't
  54         slash = ''
  55         if self.src.split(':')[0] == 'http':
  56             slash = '/'
  57         return self.cmd(self.binary_command + ' clone ' + quiet_option + '"' + self.src + slash
  58                         + '" "' + path([base, self.name]) + '"')
  59
  60     def sync(self, base, quiet = False):
  61         '''Sync overlay.'''
  62
  63         self.supported()
  64
  65         if quiet:
  66             quiet_option = ' -q'
  67         else:
  68             quiet_option = ''
  69
  70         return self.cmd('cd "' + path([base, self.name]) + '" && '
  71                         + self.binary_command + ' pull' + quiet_option)
  72
  73     def supported(self):
  74         '''Overlay type supported?'''
  75
  76         return Overlay.supported(self, [(self.binary_command,  'git',
  77                                          'dev-util/git'),])