[PATCH OSSTEST v8 11/14] ts-debian-di-install: Refactor root_disk specification

[Ian Campbell <ian.campbell@citrix.com>]

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
---
v4: new patch
---
 ts-debian-di-install | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ts-debian-di-install b/ts-debian-di-install
index 373fad1..6fafd6d 100755
--- a/ts-debian-di-install
+++ b/ts-debian-di-install
@@ -227,12 +227,14 @@ END
 	OnPowerOff => "preserve"
     );
 
+    my $root_disk = "'phy:$gho->{Lvdev},xvda,w'";
+
     prepareguest_part_xencfg($ho, $gho, $ram_mb, \%install_xopts, <<END);
 $method_cfg
 extra       = "$cmdline"
 #
 disk        = [
-            $extra_disk 'phy:$gho->{Lvdev},xvda,w'
+            $extra_disk $root_disk
             ]
 END
 
@@ -256,7 +258,7 @@ END
 $blcfg
 #
 disk        = [
-            'phy:$gho->{Lvdev},xvda,w'
+            $root_disk
             ]
 END
     return;
-- 
2.1.4