/stdhome

To get this branch, use:
bzr branch http://bzr.ed.am/stdhome

« back to all changes in this revision

Viewing changes to lib/stdhome/command_update.py

  • Committer: Tim Marston
  • Date: 2014-02-26 19:15:30 UTC
  • Revision ID: tim@ed.am-20140226191530-6x21vlwto2xx80cd
renamed updated_files to affected_files

Show diffs side-by-side

added added

removed removed

Lines of Context:
lib/stdhome/command_update.py
1
 
# update.py
 
1
# command_update.py
2
2
#
3
3
# Copyright (C) 2014 Tim Marston <tim@edm.am>
4
4
#
20
20
 
21
21
 
22
22
import sys, re, getopt
23
 
from command import Command
24
 
import stdhome.the as the
25
 
from stdhome.deployment import Deployment
26
 
 
27
 
 
28
 
class UpdateCommand( Command ):
 
23
import the
 
24
from deployment import Deployment
 
25
 
 
26
 
 
27
class CommandUpdate:
29
28
 
30
29
 
31
30
        def __init__( self ):
32
 
                self.quiet = False
 
31
                self.repo = None
33
32
 
34
33
 
35
34
        def print_help( self ):
48
47
                print "Conflicts that arise from files already existing in your home directory must be"
49
48
                print "dealt with by moving those files aside (currently)."
50
49
                print
51
 
                print "After a failed update, you can list outstanding conflicts by typing:"
 
50
                print "You can resume the redeployment of your repository by typing:"
 
51
                print "    " + the.program.name + " resolve"
 
52
                print
 
53
                print "You can list outstanding conflicts by typing:"
52
54
                print "    " + the.program.name + " conflicts"
53
55
                print
54
 
                print "After fixing outstanding conflicts, you can re-attempt the redeployment of"
55
 
                print "your repository by typing:"
56
 
                print "    " + the.program.name + " resolve"
57
 
                print
58
 
                print "To back out of trying to update and revert the local repository, type:"
59
 
                print "    " + the.program.name + " stage-revert"
60
 
                print
61
56
                print "Options:"
62
 
                print "      --quiet      do not report changes to the home directory"
63
57
                print "  -r, --repo=REPO  select the repo to check-out or create (defaults to 'home')"
64
58
                print "  -v, --verbose    display information about what is being done"
65
59
                print "      --help       display help and exit"
68
62
 
69
63
        def parse_command_line( self ):
70
64
                opts, args = getopt.gnu_getopt(
71
 
                        sys.argv[ 1: ], "qr:v",
72
 
                        [ "quiet", "repo=", "verbose", "help" ] )
 
65
                        sys.argv[ 1: ], "r:v",
 
66
                        [ "repo=", "verbose", "help" ] )
73
67
                for opt, optarg in opts:
74
 
                        if opt == '--quiet':
75
 
                                self.quiet = True
76
 
                        elif opt in [ '--repo', '-r' ]:
77
 
                                if not re.search( '^[-a-zA-z0-9.]+$', optarg ):
 
68
                        if opt in [ '--repo', '-r' ]:
 
69
                                if not re.match( '^[-a-zA-z0-9.]+$', optarg ):
78
70
                                        raise the.program.FatalError(
79
71
                                                'invalid repository name: ' + optarg )
80
 
                                the.repo = optarg
 
72
                                self.repo = optarg
 
73
                        elif opt in [ '--verbose', '-v' ]:
 
74
                                the.verbose = True
81
75
                        elif opt == "--help":
82
76
                                self.print_help()
83
 
 
 
77
                
84
78
                # discard first argument (the command)
85
79
                args.pop( 0 )
86
80
 
92
86
        def run( self ):
93
87
 
94
88
                # set up repo and check it exists
 
89
                the.set_repo( self.repo )
95
90
                the.repo.check_dir_exists()
96
91
 
97
 
                # initialise deployment (and check it)
 
92
                # initialise deployment (check it's valid)
98
93
                deployment = Deployment()
99
94
                deployment.check_ongoing( False )
100
95
 
102
97
                if the.repo.vcs.has_changes():
103
98
                        raise the.program.FatalError(
104
99
                                'repo has local changes: %s\n'
105
 
                                'Hint: see "%s stage-revert --help"' %
 
100
                                'Hint: see "%s stage-revert --help"' % 
106
101
                                ( the.repo.name, the.program.name ) )
107
102
 
108
103
                # copy-in changes to repo
109
 
                deployment.copy_in()
 
104
                try:
 
105
                        deployment.copy_in()
 
106
                except deployment.CopyInConflicts as e:
 
107
                        raise the.program.FatalError(
 
108
                                'Files in %s differ too severly from %s:\n  %s\n' % \
 
109
                                ( the.fsdir, the.repo.dir, '\n  '.join( e.conflicts ) ) )
110
110
 
111
111
                # perform vcs update
112
 
                if the.verbose >= 1: print "updating %s" % the.repo.dir
 
112
                if the.verbose: print "updating %s" % the.repo.dir
113
113
                updated_files = the.repo.vcs.update()
114
114
 
115
115
                message = ''
117
117
                # check for conflicts in repo
118
118
                files = the.repo.vcs.get_conflicts()
119
119
                if files:
120
 
                        message += 'conflicts in %s:\n  %s' % \
 
120
                        message += 'Conflicts in %s:\n  %s' % \
121
121
                                           ( the.repo.name, '\n  '.join( files ) )
122
122
 
123
123
                # check for deployment conclicts
124
124
                conflicts = deployment.get_conflicts( updated_files )
125
125
                if conflicts:
126
 
                        message += 'deployment conflicts:\n  %s' % \
 
126
                        message += 'Deployment conflicts:\n  %s' % \
127
127
                                           '\n  '.join( conflicts )
128
128
 
129
129
                # stop if there are conflicts
132
132
                                'there were conflicts...\n' + message )
133
133
 
134
134
                # copy-out changes from repo
135
 
                deployment.copy_out( self.quiet )
 
135
                deployment.copy_out()
136
136
 
137
137
                # now we've copied-out, revert any copied-in changes!
138
 
                if the.verbose >= 1: print "reverting %s" % the.repo.dir
 
138
                if the.verbose: print "reverting %s" % the.repo.dir
139
139
                the.repo.vcs.revert()