From 6fa11f24bd3d486013678c1aedec013970f07129 Mon Sep 17 00:00:00 2001
From: David Lehman <dlehman@redhat.com>
Date: Thu, 21 Feb 2013 13:46:58 +0100
Subject: [PATCH 07/13] Provide a way to set the default fstype for a Blivet
 instance. (#838145)

---
 blivet/__init__.py | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/blivet/__init__.py b/blivet/__init__.py
index 89c632e..1c61c6e 100644
--- a/blivet/__init__.py
+++ b/blivet/__init__.py
@@ -272,6 +272,7 @@ class Blivet(object):
 
         self.__luksDevs = {}
         self.size_sets = []
+        self.setDefaultFSType(get_default_filesystem_type())
 
         self.iscsi = iscsi.iscsi()
         self.fcoe = fcoe.fcoe()
@@ -279,7 +280,6 @@ class Blivet(object):
         self.dasd = dasd.DASD()
 
         self._nextID = 0
-        self.defaultFSType = get_default_filesystem_type()
         self._dumpFile = "/tmp/storage.state"
 
         # these will both be empty until our reset method gets called
@@ -1702,6 +1702,27 @@ class Blivet(object):
         return fstype
 
     @property
+    def defaultFSType(self):
+        return self._defaultFSType
+
+    def setDefaultFSType(self, newtype):
+        """ Set the default fstype for this instance.
+
+            Raise ValueError on invalid input.
+        """
+        log.debug("trying to set new default fstype to '%s'" % newtype)
+        fmt = getFormat(newtype)
+        if fmt.type is None:
+            raise ValueError("unrecognized value for new default fs type")
+
+        if (not fmt.mountable or not fmt.formattable or not fmt.supported or
+            not fmt.linuxNative):
+            log.debug("invalid default fstype: %r" % fmt)
+            raise ValueError("new value is not valid as a default fs type")
+
+        self._defaultFSType = newtype
+
+    @property
     def mountpoints(self):
         return self.fsset.mountpoints
 
-- 
1.8.1