[libvirt] [PATCH 3/3] storage: Alter error message in probe/empty checks

[John Ferlan]

For case VIR_STORAGE_BLKID_PROBE_DIFFERENT, clean up the message to
avoid using the virsh like --overwrite syntax. Additionally provide
a different error message when not writing the label to avoid confusion.

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/storage/storage_backend.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
index eebf039..c6a08eb 100644
--- a/src/storage/storage_backend.c
+++ b/src/storage/storage_backend.c
@@ -2808,10 +2808,16 @@ virStorageBackendBLKIDFindEmpty(const char *device,
         break;
 
     case VIR_STORAGE_BLKID_PROBE_DIFFERENT:
-        virReportError(VIR_ERR_STORAGE_POOL_BUILT,
-                       _("Device '%s' formatted cannot overwrite using '%s', "
-                         "requires build --overwrite"),
-                       device, format);
+        if (writelabel)
+            virReportError(VIR_ERR_STORAGE_POOL_BUILT,
+                           _("Device '%s' formatted cannot overwrite using "
+                             "'%s', requires create/build with overwrite flag"),
+                           device, format);
+        else
+            virReportError(VIR_ERR_OPERATION_INVALID,
+                           _("Format of device '%s' does not match expected "
+                             "format '%s', requires rebuild"),
+                           device, format);
         break;
     }
 
-- 
2.7.4