Decode script arguments using file system encoding

This mimics Python 3's behavior, where sys.argv is automatically decoded
using file system encoding, as returned by sys.getfilesystemencoding(). This
includes reimplementation of os.fsdecode() from Python 3.

Reviewed-By: Petr Viktorin <pviktori@redhat.com>

install/oddjob/com.redhat.idm.trust-fetch-domains

@@ -63,7 +63,7 @@ if len(args) != 1:
     # LSB status code 2: invalid or excess argument(s)
     raise ScriptError("You must specify trusted domain name", 2)
 
-trusted_domain = unicode(args[0].lower())
+trusted_domain = ipautil.fsdecode(args[0]).lower()
 
 env = Env()
 env._bootstrap(context='server', debug=options.debug, log=None)

install/tools/ipa-replica-manage

@@ -707,7 +707,7 @@ def del_master_managed(realm, hostname, options):
     Removing of master in managed_topology
     """
 
-    hostname_u = unicode(hostname)
+    hostname_u = ipautil.fsdecode(hostname)
     if hostname == options.host:
         print("Can't remove itself: %s" % (options.host))
         sys.exit(1)