3
# Copyright (C) 2014 Tim Marston <tim@edm.am>
5
# This file is part of stdhome (hereafter referred to as "this program").
6
# See http://ed.am/dev/stdhome for more information.
8
# This program is free software: you can redistribute it and/or modify
9
# it under the terms of the GNU General Public License as published by
10
# the Free Software Foundation, either version 3 of the License, or
11
# (at your option) any later version.
13
# This program is distributed in the hope that it will be useful,
14
# but WITHOUT ANY WARRANTY; without even the implied warranty of
15
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16
# GNU General Public License for more details.
18
# You should have received a copy of the GNU General Public License
19
# along with this program. If not, see <http://www.gnu.org/licenses/>.
22
import sys, re, getopt, os
23
from subprocess import call
24
from command import Command
25
import stdhome.the as the
26
from stdhome.deployment import Deployment
27
from stdhome.walker.status import StatusWalker
30
class DiffCommand( Command ):
33
def print_help( self ):
34
print "Usage: " + the.program.name + " diff [--repo=REPO] [FILE]..."
36
# 01234567890123456789012345678901234567890123456789012345678901234567890123456789
37
print "Show differences between the files in the local repository and those in the home"
40
print "This runs the diff command, showing you differences made to files in the home"
41
print "directory as compared to the files in the local repository. The differences"
42
print "between all files in the local repository are shown by default, or you can"
43
print "specify files that you are interested in."
45
print "To see a list files that this command will show differences for, you can go:"
46
print " " + the.program.name + " status"
49
print " -r, --repo=REPO select the repo to check-out or create (defaults to 'home')"
50
print " -v, --verbose display information about what is being done"
51
print " --help display help and exit"
55
def parse_command_line( self ):
56
opts, args = getopt.gnu_getopt(
57
sys.argv[ 1: ], "r:v",
58
[ "repo=", "verbose", "help" ] )
59
for opt, optarg in opts:
60
if opt in [ '--repo', '-r' ]:
61
if not re.match( '^[-a-zA-z0-9.]+$', optarg ):
62
raise the.program.FatalError(
63
'invalid repository name: ' + optarg )
65
elif opt in [ '--verbose', '-v' ]:
70
# discard first argument (the command)
79
# set up repo and check it exists
80
the.repo.check_dir_exists()
83
files = self.expand_files( self.files )
85
# initialise deployment and ensure it's not ongoing
86
deployment = Deployment()
87
deployment.check_ongoing( False )
90
walker = StatusWalker( files if files else None )
93
# information (rather than modifications) come first
95
for file in walker.missing:
96
message += "\033[33m=== missing file '%s'\n" % file
97
for file in walker.changed:
98
message += "\033[33m=== kind changed '%s'\n" % file
99
if message: print message.rstrip()
102
for file in walker.modified:
103
print ( "\033[33m=== modified '%s'\n" % file ).rstrip()
105
call( [ 'colordiff', '-ud',
107
os.path.join( the.repo.full_dir, file ),
109
os.path.join( the.full_home_dir, file ) ] )