40
42
def print_usage( self, error_message ):
41
suffix = ' ' + the.command if the.command else ''
43
command = ' ' + the.command if the.command else ''
42
44
self.die( error_message + \
43
45
"\nTry '%s%s --help' for more information." % \
44
( self.name, suffix ) )
46
( self.name, command ) )
47
49
def print_help( self ):
48
50
print "Usage: " + self.name + " COMMAND [OPTION]..."
50
52
# 01234567890123456789012345678901234567890123456789012345678901234567890123456789
51
print "Manage your home directories, across multiple computers, similar to how you"
52
print "would software under version control."
53
print "Tool to manage a set of files in your home directory and distribute them across"
54
print "multiple computers, merging local changes (in the same way as you would manage"
55
print "source code under version control)."
54
57
print "Global options (for all commands):"
55
58
print " --help display help and exit"
59
62
print " init initialise a local copy of your repositories"
60
63
print " update update files in your home directory"
61
64
print " resolve try to finish an update (that had conflicts)"
62
print " add add local files/changes to the repository"
63
print " remove remove a local file from the repository"
64
print " revert undo changes made to a local file"
65
print " stage-add stage local files/changes"
66
print " stage-remove stage the removal of files"
67
print " stage-revert revert staged changes"
68
print " stage-status show status of staging area"
69
print " stage-commit commit staged changes to repository"
65
# print " add add local files/changes to the repository"
66
# print " remove remove a local file from the repository"
67
print " status list files that have changed locally"
68
print " diff shows changes made to local files"
69
print " revert undo changes made to local files"
70
# print " stage-add add (but don't commit) files/changes to local repository"
71
# print " stage-remove delete *but don't comit) files from the local repository"
72
print " stage-revert revert changes in the local repository"
73
# print " stage-status show status of local repository"
74
# print " stage-diff shows changes in local repository"
75
# print " stage-commit commit changes in the local repository"
71
77
print "For help about a particular command (including the additional options that the"
72
78
print "command accepts) try typing:"
77
83
def print_version( self ):
78
84
print "stdhome " + self.version
80
print "Copyright (C) 2013 Tim Marston"
86
print "Copyright (C) 2013 to 2014 Tim Marston"
82
88
# 01234567890123456789012345678901234567890123456789012345678901234567890123456789
83
89
print "This program is free software, and you may use, modify and redistribute it"
99
105
- `command`: the given command
102
if [ 'init', 'update', 'resolve', 'add', 'remove', 'revert',
103
'stage-add', 'stage-remove', 'stage-revert', 'stage-status',
104
'stage-commit' ].count( command ) == 1:
108
if [ 'init', 'update', 'resolve', 'add', 'remove', 'revert', 'status',
109
'diff', 'stage-add', 'stage-remove', 'stage-revert',
110
'stage-status', 'stage-diff', 'stage-commit'
111
].count( command ) == 1:
107
114
# resolve aliases
108
elif command == 'up':
110
elif command == 'rm':
120
}.get( command, False )
121
if alias: return alias
118
def get_command_argument( self, args ):
120
Find the first program argument what isn't an option argument.
123
- `args`: the program arguments
126
if args[ 0 ] == '--':
127
return args[ 1 ] if len( args ) > 1 else None
128
if args[ 0 ][ 0 : 1 ] != '-':
153
146
# ignore errors -- we aren't parsing the command line properly yet
156
# find the first non-option argument (the command)
157
the.command = self.get_command_argument( sys.argv[ 1: ] )
149
# read program configuration
150
the.config = Config()
152
# the first argument should be the command
153
the.command = sys.argv[ 1 ] if len( sys.argv ) > 1 else None
158
154
if the.command == None:
159
155
self.print_usage( "missing command" )
163
159
if the.command == None:
164
160
self.print_usage( "bad command" )
166
# calculate class name
162
# calculate module and class name
163
class_name = module_name = ''
167
164
bits = the.command.split( '-' )
168
class_name = 'Command'
170
166
class_name += bit[ 0 ].upper() + bit[ 1 : ]
167
if module_name: module_name += '_'
169
class_name += 'Command'
172
# instantiate the command class
173
module = __import__( 'stdhome.command_' + the.command,
171
# import module and instantiate the class
172
module = __import__( 'stdhome.command.' + module_name,
174
173
fromlist = [ class_name ] )
175
174
instance = getattr( module, class_name )()
176
# fully parse the command line, as per the command
179
178
instance.parse_command_line()
179
except( getopt.GetoptError, self.UsageError ) as e:
180
self.print_usage( e.msg )
181
except self.FatalError as e:
184
# do late initialisation
181
except ( getopt.GetoptError, self.UsageError ) as e:
182
self.print_usage( e.msg )
183
except self.FatalError as e:
185
if the.verbose and e.output:
186
message += '\n\nOUTPUT:\n' + e.output
190
except Vcs.VcsError as e:
191
message = e.msg.rstrip()
193
message += '\n\nOUTPUT:\n' + e.output.rstrip()
187
194
self.die( message )
195
except self.FatalError as e:
190
199
class UsageError( Exception ):
196
205
class FatalError( Exception ):
198
def __init__( self, message, output = None ):
207
def __init__( self, message ):
199
208
self.msg = message