| 1 | """Branch command |
| 2 | """ |
| 3 | |
| 4 | __copyright__ = """ |
| 5 | Copyright (C) 2005, Chuck Lever <cel@netapp.com> |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License version 2 as |
| 9 | published by the Free Software Foundation. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | """ |
| 20 | |
| 21 | import sys, os |
| 22 | from optparse import OptionParser, make_option |
| 23 | |
| 24 | from stgit.commands.common import * |
| 25 | from stgit.utils import * |
| 26 | from stgit import stack, git |
| 27 | |
| 28 | |
| 29 | help = 'manage development branches' |
| 30 | usage = """%prog [options] branch-name [commit-id] |
| 31 | |
| 32 | Create, list, switch between, rename, or delete development branches |
| 33 | within a git repository. By default, a single branch called 'master' |
| 34 | is always created in a new repository. This subcommand allows you to |
| 35 | manage several patch series in the same repository. |
| 36 | |
| 37 | When displaying the branches, the names can be prefixed with |
| 38 | 's' (StGIT managed) or 'p' (protected).""" |
| 39 | |
| 40 | options = [make_option('-c', '--create', |
| 41 | help = 'create a new development branch', |
| 42 | action = 'store_true'), |
| 43 | make_option('--delete', |
| 44 | help = 'delete an existing development branch', |
| 45 | action = 'store_true'), |
| 46 | make_option('--force', |
| 47 | help = 'force a delete when the series is not empty', |
| 48 | action = 'store_true'), |
| 49 | make_option('-l', '--list', |
| 50 | help = 'list branches contained in this repository', |
| 51 | action = 'store_true'), |
| 52 | make_option('-r', '--rename', |
| 53 | help = 'rename an existing development branch', |
| 54 | action = 'store_true')] |
| 55 | |
| 56 | |
| 57 | def is_current_branch(branch_name): |
| 58 | return git.get_head_file() == branch_name |
| 59 | |
| 60 | def print_branch(branch_name): |
| 61 | initialized = ' ' |
| 62 | current = ' ' |
| 63 | if os.path.isdir(os.path.join(git.base_dir, 'patches', branch_name)): |
| 64 | initialized = 's' |
| 65 | if is_current_branch(branch_name): |
| 66 | current = '>' |
| 67 | print '%s %s\t%s' % (current, initialized, branch_name) |
| 68 | |
| 69 | def delete_branch(doomed_name, force = False): |
| 70 | if is_current_branch(doomed_name) and doomed_name != 'master': |
| 71 | git.switch_branch('master') |
| 72 | |
| 73 | stack.Series(doomed_name).delete(force) |
| 74 | |
| 75 | if doomed_name != 'master': |
| 76 | git.delete_branch(doomed_name) |
| 77 | |
| 78 | print 'Branch "%s" has been deleted.' % doomed_name |
| 79 | |
| 80 | def rename_branch(from_name, to_name): |
| 81 | if from_name == 'master': |
| 82 | raise CmdException, 'Renaming the master branch is not allowed' |
| 83 | |
| 84 | to_patchdir = os.path.join(git.base_dir, 'patches', to_name) |
| 85 | if os.path.isdir(to_patchdir): |
| 86 | raise CmdException, '"%s" already exists' % to_patchdir |
| 87 | to_base = os.path.join(git.base_dir, 'refs', 'bases', to_name) |
| 88 | if os.path.isfile(to_base): |
| 89 | raise CmdException, '"%s" already exists' % to_base |
| 90 | |
| 91 | git.rename_branch(from_name, to_name) |
| 92 | |
| 93 | from_patchdir = os.path.join(git.base_dir, 'patches', from_name) |
| 94 | if os.path.isdir(from_patchdir): |
| 95 | os.rename(from_patchdir, to_patchdir) |
| 96 | from_base = os.path.join(git.base_dir, 'refs', 'bases', from_name) |
| 97 | if os.path.isfile(from_base): |
| 98 | os.rename(from_base, to_base) |
| 99 | |
| 100 | print 'Renamed branch "%s" as "%s".' % (from_name, to_name) |
| 101 | |
| 102 | def func(parser, options, args): |
| 103 | |
| 104 | if options.create: |
| 105 | |
| 106 | if len(args) == 0 or len(args) > 2: |
| 107 | parser.error('incorrect number of arguments') |
| 108 | tree_id = None |
| 109 | if len(args) == 2: |
| 110 | tree_id = args[1] |
| 111 | |
| 112 | git.create_branch(args[0], tree_id) |
| 113 | stack.Series(args[0]).init() |
| 114 | |
| 115 | print 'Branch "%s" created.' % args[0] |
| 116 | return |
| 117 | |
| 118 | elif options.delete: |
| 119 | |
| 120 | if len(args) != 1: |
| 121 | parser.error('incorrect number of arguments') |
| 122 | delete_branch(args[0], options.force) |
| 123 | return |
| 124 | |
| 125 | elif options.list: |
| 126 | |
| 127 | if len(args) != 0: |
| 128 | parser.error('incorrect number of arguments') |
| 129 | |
| 130 | branches = os.listdir(os.path.join(git.base_dir, 'refs', 'heads')) |
| 131 | branches.sort() |
| 132 | |
| 133 | print 'Available branches:' |
| 134 | for i in branches: |
| 135 | print_branch(i) |
| 136 | return |
| 137 | |
| 138 | elif options.rename: |
| 139 | |
| 140 | if len(args) != 2: |
| 141 | parser.error('incorrect number of arguments') |
| 142 | rename_branch(args[0], args[1]) |
| 143 | return |
| 144 | |
| 145 | elif len(args) == 1: |
| 146 | |
| 147 | print 'Switching to branch "%s"...' % args[0], |
| 148 | sys.stdout.flush() |
| 149 | |
| 150 | git.switch_branch(args[0]) |
| 151 | |
| 152 | print 'done' |
| 153 | return |
| 154 | |
| 155 | # default action: print the current branch |
| 156 | if len(args) != 0: |
| 157 | parser.error('incorrect number of arguments') |
| 158 | |
| 159 | print git.get_head_file() |