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virsh: improve doMigrate function docs

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When running virsh migrate with --xml option and actual xml file doesn't
exist, virsh hasn't output any error information, although return value
is 1.

* tools/virsh.c: Raising a appropriate error information when operation fails.

* How to reproduce?
% virsh migrate <domain> --live qemu+ssh://<target host>/system --xml non-existent.xml
% echo $?

* Fixed result:
error: file 'non-existent.xml' doesn't exist

Signed-off-by: Alex Jia <ajia@redhat.com>
This commit is contained in:
Alex Jia 2012-01-11 16:23:03 +08:00 committed by Michal Privoznik
parent 99be754ada
commit c41a21de3a
1 changed files with 3 additions and 2 deletions
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5
tools/virsh.c
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@ -6338,9 +6338,10 @@ doMigrate (void *opaque)
flags |= VIR_MIGRATE_CHANGE_PROTECTION;
if (xmlfile &&
virFileReadAll(xmlfile, 8192, &xml) < 0)
virFileReadAll(xmlfile, 8192, &xml) < 0) {
vshError(ctl, _("file '%s' doesn't exist"), xmlfile);
goto out;
}
if ((flags & VIR_MIGRATE_PEER2PEER) ||
vshCommandOptBool (cmd, "direct")) {