40
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def print_usage( self, error_message ):
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suffix = ' ' + the.command if the.command else ''
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command = ' ' + the.command if the.command else ''
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self.die( error_message + \
43
45
"\nTry '%s%s --help' for more information." % \
44
( self.name, suffix ) )
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( self.name, command ) )
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def print_help( self ):
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50
print "Usage: " + self.name + " COMMAND [OPTION]..."
50
52
# 01234567890123456789012345678901234567890123456789012345678901234567890123456789
51
print "Manage your home directories, across multiple computers, similar to how you"
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print "would software under version control."
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print "Tool to manage a set of files in your home directory and distribute them across"
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print "multiple computers, merging local changes (in the same way as you would manage"
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print "source code under version control)."
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print "Global options (for all commands):"
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print " --help display help and exit"
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print " update update files in your home directory"
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print " resolve try to finish an update (that had conflicts)"
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print " add add local files/changes to the repository"
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print " remove remove a local file from the repository"
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print " revert undo changes made to a local file"
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print " stage-add stage local files/changes"
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print " stage-remove stage the removal of files"
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print " stage-revert revert staged changes"
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print " stage-status show status of staging area"
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print " stage-commit commit staged changes to repository"
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# print " remove remove a local file from the repository"
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print " status list files that have changed locally"
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print " diff shows changes made to local files"
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print " revert undo changes made to local files"
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# print " stage-add add (but don't commit) files/changes to local repository"
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# print " stage-remove delete *but don't comit) files from the local repository"
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print " stage-revert revert changes in the local repository"
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# print " stage-status show status of local repository"
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# 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 ):
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84
print "stdhome " + self.version
80
print "Copyright (C) 2013 Tim Marston"
86
print "Copyright (C) 2013 to 2014 Tim Marston"
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88
# 01234567890123456789012345678901234567890123456789012345678901234567890123456789
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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',
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'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 ):
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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