[PATCH] virsh: Improve the error for snapshot-list

[Osier Yang <jyang@xxxxxxxxxx>]

It reports error "roots and --from are exclusive" even "--current"
is specified with "--roots", but no "--from".
---
 tools/virsh-snapshot.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/tools/virsh-snapshot.c b/tools/virsh-snapshot.c
index b828371..6dd8bf2 100644
--- a/tools/virsh-snapshot.c
+++ b/tools/virsh-snapshot.c
@@ -1197,7 +1197,8 @@ cmdSnapshotList(vshControl *ctl, const vshCmd *cmd)
         }
         if (from) {
             vshError(ctl, "%s",
-                     _("--roots and --from are mutually exclusive"));
+                     _("--roots is mutually exclusive with either "
+                       "--from or --current"));
             goto cleanup;
         }
         flags |= VIR_DOMAIN_SNAPSHOT_LIST_ROOTS;
-- 
1.7.7.6

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