Discard set bios_grub flag for boot partition.

Set force flag for grub2-install.

pym/cl_install.py

@@ -1515,7 +1515,7 @@ class cl_install(color_print, SignalInterrupt):
         return (False,False)
 
     def setBiosGrubForBootPartition(self):
-        """Set bios_grub flag for boot partition in gpt"""
+        """Set bios_grub flag for boot partition in gpt (WRONG)"""
         for bootPath in ("/boot","/"):
             # get grub disk by mount point
             bootPart = self.varSelect(
@@ -1538,16 +1538,16 @@ class cl_install(color_print, SignalInterrupt):
     def installGrub2Bootloader(self,target):
         """Install grub2 boot loader"""
         cmdGrubInstall = self.clVars.Get('os_grub2_path')
-        if not self.setBiosGrubForBootPartition():
-            raise DistributiveError(
-                _("Cann't set bios_grub flag for boot partition"))
+        #if not self.setBiosGrubForBootPartition():
+        #    raise DistributiveError(
+        #        _("Cann't set bios_grub flag for boot partition"))
         if not cmdGrubInstall:
             raise DistributiveError(_("Cann't install bootloader"))
 
         mbrDisk = self.clVars.Get('os_install_mbr')
         grubProcess = process(cmdGrubInstall,
                               "--boot-directory=%s"%target.getBootDirectory(),
-                              "/dev/%s"%mbrDisk)
+                              "/dev/%s"%mbrDisk, "-f")
         if grubProcess.failed():
             raise DistributiveError(_("Cann't install bootloader"))