# Copyright (C) 2003-2007 John Goerzen

# <jgoerzen@complete.org>

#

#    This program is free software; you can redistribute it and/or modify

#    it under the terms of the GNU General Public License as published by

#    the Free Software Foundation; either version 2 of the License, or

#    (at your option) any later version.

#

#    This program is distributed in the hope that it will be useful,

#    but WITHOUT ANY WARRANTY; without even the implied warranty of

#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

#    GNU General Public License for more details.

#

#    You should have received a copy of the GNU General Public License

#    along with this program; if not, write to the Free Software

#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import util

vcssyn = None

vcsobj = None

vcscmd = None

darcs = False

svk = False

git = False

hg = False

def setscm(x):

    global darcs, svk, git, vcscmd, hg

    if (x == "darcs"):

        vcscmd = "darcs"

        darcs = True

    elif (x == "baz"):

        vcscmd = "baz"

    elif (x == "tla"):

        vcscmd = "tla"

    elif (x == "git"):

        vcscmd = "git"

        git = True

    elif (x == "hg"):

        vcscmd = "hg"

        hg = True

    elif (x == "svk"):

        vcscmd = "svk"

        svk = True

    else:

        print "Failed to determine VCS to use"

        sys.exit(2)

    print " VCSCMD: ", vcscmd

def isdarcs():

    global darcs

    return darcs

def issvk():

    global svk

    return svk

def isgit():

    global git

    return git

def ishg():

    global hg

    return hg

def getvcssyntax():

    global vcssyn, vcsobj

    if vcssyn != None:

        return vcssyn

    if isdarcs():

        vcssyn = 'darcs'

        vcsobj = Darcs()

    elif ishg():

        vcssyn = 'hg'

        vcsobj = Hg()

    elif isgit():

        vcssyn = 'Git'

        vcsobj = Git()

    elif util.getstdoutsafeexec(vcscmd, ['-V'])[0].find('tla-1.0.') != -1:

        vcssyn = '1.0'

        vcsobj = Tla10()

    elif util.getstdoutsafeexec(vcscmd, ['-V'])[0].find('tla-1.1.') != -1:

        vcssyn = '1.1'

        vcsobj = Tla11()

    elif util.getstdoutsafeexec(vcscmd, ['-V'])[0].find('tla-1.3.') != -1:

        vcssyn = '1.3'

        vcsobj = Tla13()

    elif util.getstdoutsafeexec(vcscmd, ['-V'])[0].find('baz Bazaar version 1.4.') != -1:

        vcssyn = 'baz1.4'

        vcsobj = Baz14()        

    elif util.getstdoutsafeexec(vcscmd, ['-V'])[0].find('This is svk') != -1:

        vcssyn = 'svk'

        vcsobj = Svk()

    else:

        vcssyn = '1.3'

        vcsobj = Tla13()

    return vcssyn

class Tla10:

    tagging_method = 'tagging-method'

    add = ['add-tag']

    move = 'move-tag'

    delete = ['delete-tag']

    update = 'update --in-place .'

    replay = 'replay --in-place .'

    commit = 'commit'

    importcmd = 'import'

class Tla11:

    tagging_method = 'id-tagging-method'

    add = ['add']

    move = 'move'

    delete = ['delete']

    update = 'update'

    replay = 'replay'

    commit = 'commit'

    importcmd = 'import'

class Tla13:

    tagging_method = 'id-tagging-method'

    add = ['add-id']

    move = 'move-id'

    delete = ['delete-id']

    update = 'update'

    replay = 'replay'

    commit = 'commit'

    importcmd = 'import'

class Baz14:

    tagging_method = 'id-tagging-method'

    add = ['add-id']

    move = 'move-id'

    delete = ['delete-id']

    update = 'update'

    replay = 'replay'

    commit = 'commit'    

    importcmd = 'import'

class Darcs:

    tagging_method = None

    add = ['add', '--case-ok']

    move = 'mv'

    delete = None

    update = 'pull'

    replay = 'pull'

    commit = 'record'

class Hg:

    tagging_method = None

    add = ['add']

    move = 'mv'

    delete = None

    update = 'pull'

    replay = 'pull'

    commit = 'commit'

class Git:

    tagging_method = None

    add = ['add']

    move = 'mv'

    delete = ['rm', '-r']

    update = 'checkout'

    replay = None 

    commit = 'commit'

class Svk:

	tagging_method = None

	add = ['add']

	move = 'mv'

	delete = ['rm']

	update = 'pull'

	replay = 'pull'

	commit = 'commit'

def cmd():

    global vcsobj

    getvcssyntax()

    return vcsobj