Add Apply ChangeSet function and verison management into smart.

README

@@ -63,9 +63,11 @@
     3.3 Global Settings
 
       1) In Cross-Platform case, make sure the required commands can be invoked preferentially.
-         For example, you can do it by the following command for Yocto-User
+         Install toolchain includes the appropriate target architecture into the host development
+         system. Use the following command for Yocto user to install toolchain. [ARCH] means the 
+         appropriate target architecture.
          -----------------------------------------------------------------------
-          $ source TOOLCHAIN/environment-setup-i586-poky-linux
+          $ source TOOLCHAIN/environment-setup-[ARCH]-poky-linux
          -----------------------------------------------------------------------
 
       2) Make sure the following environment variable point to correct path.

smart/commands/init.py

@@ -0,0 +1,83 @@
+#
+# Copyright (C) 2016 FUJITSU LIMITED
+#
+# Written by Fan Xin <[email protected]>
+# 2016-08-28
+# 
+# This file is part of Smart2 Package Manager
+#
+# This file provides the init command
+# Usage: smart init
+# 
+
+from smart.transaction import Transaction, PolicyInstall, sortUpgrades
+from smart.transaction import INSTALL, REINSTALL
+from smart.option import OptionParser
+from smart.cache import Package
+from smart import *
+import string
+import re
+import os
+import pdb
+import sys
+
+#use debug module
+#pdb.set_trace()
+
+USAGE=_("smart init [pacakge repository path] [rootfs path] ")
+
+DESCRIPTION=_("""
+This command will initial the environment before using smart2.
+""")
+
+EXAMPLES=_("""
+smart install pkgname
+smart install '*kgna*'
+smart install pkgname-1.0
+smart install pkgname-1.0-1
+smart install pkgname1 pkgname2
+smart install ./somepackage.file
+smart install http://some.url/some/path/somepackage.file
+""")
+
+def add (num1=0, num2=0):
+    return int(num1) + int(num2)
+
+def sub(num1=0, num2=0):
+    return int(num1) - int(num2)
+#def main(ctrl, opts):
+
+def option_parser():
+    parser = OptionParser(usage=USAGE,
+                          description=DESCRIPTION,
+                          examples=EXAMPLES)
+    parser.add_option("--info", action="store_true",
+                      help=_("Fan Xin"))
+    parser.add_option("--paths", action="store_true",
+                      help=_("show path list"))
+    parser.add_option("--changelog", action="store_true",
+                      help=_("show change log"))
+    return parser
+
+
+def parse_options(argv):
+    parser = option_parser()
+    opts, args = parser.parse_args(argv)
+    opts.args = args
+    return opts
+
+def main(ctrl, opts):
+
+    print sys.argv
+    #pdb.set_trace() #break point added here
+    addition = add(sys.argv[1], sys.argv[2])
+    print addition
+    subtraction = sub(sys.argv[1], sys.argv[2])
+    print subtraction
+
+    print "Hello, this is smart init command."
+
+#if __name__ == '__main__':
+#    main()
+
+# vim:ts=4:sw=4:et