bzr branch
http://bzr.ed.am/stdhome
8
by Tim Marston
added diff command; moved all command to commands subdir; made stage-revert |
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# diff.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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# This file is part of stdhome (hereafter referred to as "this program"). |
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# See http://ed.am/dev/stdhome for more information. |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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import sys, re, getopt, os |
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from subprocess import call |
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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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from stdhome.walker.status import StatusWalker |
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class DiffCommand( Command ): |
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def print_help( self ): |
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print "Usage: " + the.program.name + " diff [--repo=REPO] [FILE]..." |
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# 01234567890123456789012345678901234567890123456789012345678901234567890123456789 |
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print "Show differences between the files in the local repository and those in the home" |
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print "directory." |
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print "This runs the diff command, showing you differences made to files in the home" |
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print "directory as compared to the files in the local repository. The differences" |
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print "between all files in the local repository are shown by default, or you can" |
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print "specify files that you are interested in." |
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print "To see a list files that this command will show differences for, you can go:" |
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print " " + the.program.name + " status" |
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print "Options:" |
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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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exit( 0 ) |
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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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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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raise the.program.FatalError( |
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'invalid repository name: ' + optarg ) |
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17
by Tim Marston
read ~/.stdhomerc; commands set repo before run(); program performs late |
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the.repo = optarg |
8
by Tim Marston
added diff command; moved all command to commands subdir; made stage-revert |
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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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def run( self ): |
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# set up repo and check it exists |
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the.repo.check_dir_exists() |
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# determine files |
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files = self.expand_files( self.files ) |
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# initialise deployment and ensure it's not ongoing |
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deployment = Deployment() |
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deployment.check_ongoing( False ) |
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# check status |
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walker = StatusWalker( files if files else None ) |
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walker.walk() |
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# information (rather than modifications) come first |
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message = '' |
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for file in walker.missing: |
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message += "\033[33m=== missing file '%s'\n" % file |
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for file in walker.changed: |
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message += "\033[33m=== kind changed '%s'\n" % file |
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if message: print message.rstrip() |
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# call colordiff |
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for file in walker.modified: |
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print ( "\033[33m=== modified '%s'\n" % file ).rstrip() |
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call( [ 'colordiff', '-ud', |
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'--label', file, |
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os.path.join( the.repo.full_dir, file ), |
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'--label', file, |
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os.path.join( the.full_home_dir, file ) ] ) |