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Viewing changes to lib/stdhome/command/revert.py

  • Committer: Tim Marston
  • Date: 2014-04-05 22:30:23 UTC
  • Revision ID: tim@ed.am-20140405223023-3co87mbvnxwk1l65
added revert command

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lib/stdhome/command/revert.py
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class RevertCommand( Command ):
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        def __init__( self ):
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                self.all = False
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                self.quiet = False
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        def print_help( self ):
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                print "Usage: " + the.program.name + " revert [--repo=REPO] [--all] [FILE]..."
 
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                print "Usage: " + the.program.name + " revert [--repo=REPO] [FILE]..."
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                print
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                #      01234567890123456789012345678901234567890123456789012345678901234567890123456789
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                print "Revert any local changes to a file in the home directory."
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                print
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                print "This reverts the content of the named files, in the local filesystem, specified"
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                print "relative to the home directory, to its state in the repo.  Specifying individual"
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                print "files and directories will revert them (recursively, in the case of"
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                print "directories).  Or you can revert all files in your home directory by specifying"
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                print "no files and explicitly using the --all option."
 
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                print "relative to the home directory, to its state in the repo."
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                print
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                print "To see a list files that can be reverted, type:"
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                print "    " + the.program.name + " status"
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                print
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                print "Options:"
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                print "      --all        confirm that you want to revert all files"
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                print "      --quiet      do not report changes to the home directory"
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                print "  -r, --repo=REPO  select the repo to check-out or create (defaults to 'home')"
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                print "  -v, --verbose    display information about what is being done"
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                print "      --help       display help and exit"
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        def parse_command_line( self ):
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                opts, args = getopt.gnu_getopt(
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                        sys.argv[ 1: ], "r:v",
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                        [ "all", "quiet", "repo=", "verbose", "help" ] )
 
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                        [ "repo=", "verbose", "help" ] )
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                for opt, optarg in opts:
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                        if opt == "--all":
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                                self.all = True
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                        elif opt == "--quiet":
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                                self.quiet = True
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                        elif opt in [ '--repo', '-r' ]:
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                                if not re.search( '^[-a-zA-z0-9.]+$', optarg ):
 
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                        if opt in [ '--repo', '-r' ]:
 
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                                if not re.match( '^[-a-zA-z0-9.]+$', optarg ):
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                                        raise the.program.FatalError(
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                                                'invalid repository name: ' + optarg )
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                                the.repo = optarg
 
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                        elif opt in [ '--verbose', '-v' ]:
 
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                                the.verbose += 1
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                        elif opt == "--help":
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                                self.print_help()
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                # discard first argument (the command)
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                args.pop( 0 )
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                # remaining arguments
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                self.files = args
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                # check that either files or --all was given
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                if len( self.files ) == 0 and not self.all:
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                        raise the.program.UsageError(
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                                "no files were specified and --all was not given" )
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                if len( self.files ) > 0 and self.all:
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                        raise the.program.UsageError(
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                                "files specified, which conflicts with using --all" )
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        def run( self ):
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                if the.repo.vcs.has_changes():
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                        raise the.program.FatalError(
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                                'repo has local changes: %s\n'
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                                'Hint: see "%s stage-revert --help"' %
 
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                                'Hint: see "%s stage-revert --help"' % 
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                                ( the.repo.name, the.program.name ) )
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                # check status
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                walker = CopyOutWalker( files if files else None, self.quiet )
 
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                walker = CopyOutWalker( files if files else None )
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                walker.walk()