storage/versioncontrol/hg.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3 #
   4 # Copyright 2004-2008 Zuza Software Foundation
   5 #
   6 # This file is part of translate.
   7 #
   8 # translate is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # translate is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with translate; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21
  22
  23 from translate.storage.versioncontrol import run_command
  24 from translate.storage.versioncontrol import GenericRevisionControlSystem
  25
  26 class hg(GenericRevisionControlSystem):
  27     """Class to manage items under revision control of mercurial."""
  28
  29     RCS_METADIR = ".hg"
  30     SCAN_PARENTS = True
  31
  32     def update(self, revision=None):
  33         """Does a clean update of the given path
  34
  35         @param revision: ignored for hg
  36         """
  37         # revert local changes (avoids conflicts)
  38         command = ["hg", "-R", self.root_dir, "revert",
  39                 "--all", self.location_abs]
  40         exitcode, output_revert, error = run_command(command)
  41         if exitcode != 0:
  42             raise IOError("[Mercurial] error running '%s': %s" % (command, error))
  43         # pull new patches
  44         command = ["hg", "-R", self.root_dir, "pull"]
  45         exitcode, output_pull, error = run_command(command)
  46         if exitcode != 0:
  47             raise IOError("[Mercurial] error running '%s': %s" % (command, error))
  48         # update working directory
  49         command = ["hg", "-R", self.root_dir, "update"]
  50         exitcode, output_update, error = run_command(command)
  51         if exitcode != 0:
  52             raise IOError("[Mercurial] error running '%s': %s" % (command, error))
  53         return output_revert + output_pull + output_update
  54
  55     def commit(self, message=None):
  56         """Commits the file and supplies the given commit message if present"""
  57         if message is None:
  58             message = ""
  59         # commit changes
  60         command = ["hg", "-R", self.root_dir, "commit", "-m", message,
  61                 self.location_abs]
  62         exitcode, output_commit, error = run_command(command)
  63         if exitcode != 0:
  64             raise IOError("[Mercurial] Error running '%s': %s" \
  65                     % (command, error))
  66         # push changes
  67         command = ["hg", "-R", self.root_dir, "push"]
  68         exitcode, output_push, error = run_command(command)
  69         if exitcode != 0:
  70             raise IOError("[Mercurial] Error running '%s': %s" \
  71                     % (command, error))
  72         return output_commit + output_push
  73
  74     def getcleanfile(self, revision=None):
  75         """Get a clean version of a file from the hg repository"""
  76         # run hg cat
  77         command = ["hg", "-R", self.root_dir, "cat",
  78                 self.location_abs]
  79         exitcode, output, error = run_command(command)
  80         if exitcode != 0:
  81             raise IOError("[Mercurial] Error running '%s': %s" \
  82                     % (command, error))
  83         return output
  84