#----------------------------------------------------------------------------
# unshelve changelist in Perforce
#
#   $Id: $
#
#   Copyright 2005, Chris Stoy.  All Rights Reserved.
#
#   License:
#   This file and any derivatives or translations of it may be freely
#   copied and redistributed so long as:
#       1) This license and copyright notice are not changed.
#       2) Any fixes or enhancements are reported back to either the
#           author (cstoy@nc.rr.com).
#   and any of:
#       a) The source is redistributed with it.
#       b) The source is compiled unmodified, and instructions for finding
#           the original source are included.
#       c) The source is made available by some other means.
#       
#----------------------------------------------------------------------------

import sys
import os
import time
import shutil
import p4
import getopt

VERSION = "\np4_unshelve Version 1.0  11/11/2005\n"

#----------------------------------------------------------------------------
def p4_unshelve(p4c, shelfBranch ):

    print "Restoring shelf %s" % shelfBranch
    p4c.run_integrate( "-d", "-b", shelfBranch, "-r" )

#----------------------------------------------------------------------------
# prints the usage message. If short is true, prints abreviated
# help message.
#----------------------------------------------------------------------------
def usage(short=True):
    print "\nUsage: p4_unshelve [options] <shelve branchspec>\n"
    if short :
        print "Try 'p4_unshelve --help' for more information."
    else:
        print "Restores a shelved changelist into the default changelist for editing."
        print ""
        print "  <shelve branchspec>  Perforce branchspec created by p4_shelve."
        print ""
        print "Options:"
        print "  -h, --help         Prints this help message"
        print "  -p, --port         Perforce Port depot is on"
        print "  -c, --client       Perforce Client that maps the depot files"
        print "  -u, --user         Perforce User that owns the client"
        print "  -P, --password     Perforce Password for the user"
        print ""
        print "Note: Uses the default P4 settings for Perforce options not supplied."
        print "\nReport bugs to Chris Stoy (cstoy@nc.rr.com)"
        
    print VERSION
#-----------------------------------------------------------
# Main entry point
#-----------------------------------------------------------
if __name__ == "__main__":

    options = []
    input = []
    
    for x in sys.argv[1:]:
        if x.startswith("-"):
            options.append(x)
        else:
            input.append(x)

    try:
        opts, args = getopt.getopt( options, "hp:c:u:P:v", ["help", "port=", "client=", "user=", "password=", "verbose"] )

    except getopt.GetoptError, intr:
        print "Argument error: ", intr
        usage()
        sys.exit(2)

    # set P4 options
    p4c = p4.P4()
    p4c.parse_forms()

    verbose = False
    # we got our options. 
    for o, a in opts:
        if o in ("-h", "--help"):
            usage(False)
            sys.exit(0)
        if o in ("-p", "--port"):
            p4c.port = a
        if o in ("-c", "--client"):
            p4c.client = a
        if o in ("-u", "--user"):
            p4c.user = a
        if o in ("-P", "--password"):
            p4c.password = a
        if o in ("-v", "--verbose"):
            verbose = True

    if len(input) != 1:
        print "Failed to specify branchspec for shelf."
        usage()
        sys.exit(2)

    branchSpec = input[0]

    # connect to P4
    p4c.connect()
    
    if verbose:
        print "Settings:"
        print "\tP4 Port = %s" % p4c.port
        print "\tP4 Client = %s" % p4c.client
        print "\tP4 User = %s" % p4c.user
        print "\tShelve Branchspec = %s" % branchSpec

    # do the unshelving
    try:
        p4_unshelve(p4c, branchSpec)
        
    except p4.P4Error:
        print "P4 Error:"
        for e in p4c.errors:
            print "\t%s" % e