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Viewing changes to lib/stdhome/command_stage_revert.py

  • Committer: Tim Marston
  • Date: 2014-02-26 19:10:31 UTC
  • Revision ID: tim@ed.am-20140226191031-elcqy5j09h2syn2j
moved copy-in, copy-out and deployment conflict checking to a set of "walkers";
bzr vcs back-end now parses affected files during update; deployment state now
includes affected files

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lib/stdhome/command_stage_revert.py
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# stage_revert.py
 
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# command_stage_revert.py
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#
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# Copyright (C) 2014 Tim Marston <tim@edm.am>
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#
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import sys, re, getopt
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from command import Command
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import stdhome.the as the
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from stdhome.deployment import Deployment
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class StageRevertCommand( Command ):
 
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import the
 
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from deployment import Deployment
 
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class CommandStageRevert:
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        def __init__( self ):
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                self.repo = None
 
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                self.force = False
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        def print_help( self ):
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                print "repository."
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                print
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                print "Options:"
 
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                print "      --force      disregard any ongoing deployment"
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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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                        [ "repo=", "verbose", "help" ] )
 
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                        [ "force", "repo=", "verbose", "help" ] )
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                for opt, optarg in opts:
 
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                        if opt == '--force':
 
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                                self.force = True
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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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                                self.repo = optarg
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                        elif opt in [ '--verbose', '-v' ]:
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                                the.verbose += 1
 
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                                the.verbose = True
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                        elif opt == "--help":
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                                self.print_help()
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                the.set_repo( self.repo )
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                the.repo.check_dir_exists()
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                # initialise deployment
 
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                # check there isn't a deployment in progress
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                deployment = Deployment()
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                if deployment.is_ongoing() and deployment.get_initial_revno() is None:
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                        raise RunteimError(
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                                "can't revert ongoing deployment: initial revno is missing!" )
 
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                if not self.force:
 
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                        deployment.check_ongoing( False )
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                # check for local changes
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                if the.verbose: print "reverting %s" % the.repo.dir
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                the.repo.vcs.revert( deployment.get_initial_revno() )
 
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                the.repo.vcs.revert()
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                # remove deployment state
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                deployment.remove_deployment_state()
 
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                # remove deployment state, as necessary
 
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                if self.force:
 
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                        deployment.remove_deployment_state()