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  • Committer: Tim Marston
  • Date: 2016-04-10 20:17:32 UTC
  • Revision ID: tim@ed.am-20160410201732-w6358gtt2df1y5e9
added 'ci' as an alias of add; fixed issue with lack of output from vcs when
there are merge conflicts

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lib/stdhome/command/update.py
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# command_update.py
 
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# update.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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import the
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from deployment import Deployment
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class CommandUpdate:
 
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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 UpdateCommand( Command ):
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        def __init__( self ):
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                self.repo = None
 
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                self.quiet = False
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        def print_help( self ):
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                print "Conflicts that arise from files already existing in your home directory must be"
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                print "dealt with by moving those files aside (currently)."
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                print
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                print "You can resume the redeployment of your repository by typing:"
 
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                print "After a failed update, you can list outstanding conflicts by typing:"
 
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                print "    " + the.program.name + " conflicts"
 
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                print
 
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                print "After fixing outstanding conflicts, you can re-attempt the redeployment of"
 
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                print "your repository by typing:"
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                print "    " + the.program.name + " resolve"
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                print
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                print "You can list outstanding conflicts by typing:"
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                print "    " + the.program.name + " conflicts"
 
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                print "To back out of trying to update and revert the local repository, type:"
 
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                print "    " + the.program.name + " stage-revert"
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                print
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                print "Options:"
 
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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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                        [ "repo=", "verbose", "help" ] )
 
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                        sys.argv[ 1: ], "qr:v",
 
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                        [ "quiet", "repo=", "verbose", "help" ] )
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                for opt, optarg in opts:
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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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                        if 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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                                        raise the.program.FatalError(
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                                                'invalid repository name: ' + optarg )
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                                self.repo = optarg
 
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                                the.repo = optarg
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                        elif opt in [ '--verbose', '-v' ]:
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                                the.verbose = True
 
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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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        def run( self ):
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                # set up repo and check it exists
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                the.set_repo( self.repo )
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                the.repo.check_dir_exists()
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                # initialise deployment (check it's valid)
 
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                # initialise deployment (and check it)
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                deployment = Deployment()
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                deployment.check_ongoing( False )
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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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                # copy-in changes to repo
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                try:
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                        deployment.copy_in()
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                except( deployment.Conflict, deployment.DeploymentOngoing ) as e:
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                        raise the.program.FatalError( e.msg )
 
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                deployment.copy_in()
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                # perform vcs update
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                if the.verbose: print "updating %s" % the.repo.dir
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                the.repo.vcs.update()
 
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                if the.verbose >= 1: print "updating %s" % the.repo.dir
 
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                updated_files = the.repo.vcs.update()
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                # check for conflicts
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                message = ''
 
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                # check for conflicts in repo
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                files = the.repo.vcs.get_conflicts()
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                if files:
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                        message += 'Conflicts in %s:\n  %s' % \
 
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                        message += 'conflicts in %s:\n  %s' % \
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                                           ( the.repo.name, '\n  '.join( files ) )
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                files = deployment.get_conflicts()
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                if files:
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                        message += 'Deployment conflicts:\n  %s' % \
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                                           '\n  '.join( files )
 
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                # check for deployment conclicts
 
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                conflicts = deployment.get_conflicts( updated_files )
 
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                if conflicts:
 
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                        message += 'deployment conflicts:\n  %s' % \
 
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                                           '\n  '.join( conflicts )
 
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                # stop if there are conflicts
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                if message:
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                        raise the.program.FatalError(
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                                'there were conflicts...\n' + message )
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                # copy-out changes from repo
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                try:
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                        deployment.copy_out()
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                except deployment.Conflict as e:
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                        raise the.program.FatalError( e.msg )
 
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                deployment.copy_out( self.quiet )
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                # now we've copied-out, revert any copied-in changes!
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                if the.verbose: print "reverting %s" % the.repo.dir
 
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                if the.verbose >= 1: print "reverting %s" % the.repo.dir
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                the.repo.vcs.revert()