[PATCH storage 2/2] lvm plugin: rename: improve error message

[Fiona Ebner <f.ebner@proxmox.com>]

Avoid the use of 'we', mention the volume in question and add a
newline.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
 src/PVE/Storage/LVMPlugin.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/PVE/Storage/LVMPlugin.pm b/src/PVE/Storage/LVMPlugin.pm
index f9349de..8392c89 100644
--- a/src/PVE/Storage/LVMPlugin.pm
+++ b/src/PVE/Storage/LVMPlugin.pm
@@ -1441,7 +1441,8 @@ sub rename_volume {
     if ($format eq 'qcow2') {
         $class->activate_volume($storeid, $scfg, $source_volname);
         my $snapshots = $class->volume_snapshot_info($scfg, $storeid, $source_volname);
-        die "we can't rename volume if external snapshot exists" if $snapshots->{current}->{parent};
+        die "can't rename volume '$source_volname' - external snapshot exists\n"
+            if $snapshots->{current}->{parent};
     }
 
     $target_volname = $class->find_free_diskname($storeid, $scfg, $target_vmid, $format)
-- 
2.47.3