Converted '--configure' option as a callback.

--configure as a callback eliminates the need to check if the option
has been set to 'True'

code/client/munkiimport

@@ -495,7 +495,7 @@ def pref(prefname):
         return None
 
 
-def configure():
+def configure(option, opt, value, parser):
     """Configures munkiimport for use"""
     _prefs = {}
     for (key, prompt) in [
@@ -512,6 +512,7 @@ def configure():
         FoundationPlist.writePlist(_prefs, PREFSPATH)
     except FoundationPlist.NSPropertyListWriteException:
         print >> sys.stderr, 'Could not save configuration to %s' % PREFSPATH
+    exit(0)
     
     
 PREFSNAME = 'com.googlecode.munki.munkiimport.plist'
@@ -541,7 +542,7 @@ def main():
     
     p = PassThroughOptionParser(usage=usage)
     
-    p.add_option('--configure', action='store_true',
+    p.add_option('--configure', action='callback', callback=configure,
                     help="""Configure munkiimport with details about your
                     munki repo, preferred editor, and the like. Any other
                     options and arguments are ignored.""")
@@ -559,15 +560,11 @@ def main():
                     help='Print more output.')
     
     options, arguments = p.parse_args()
-
+    
     if options.version:
         print munkicommon.get_version()
         exit(0)
     
-    if options.configure:
-        configure()
-        exit(0)
-        
     NOINTERACTIVE = options.nointeractive
     VERBOSE = options.verbose