Convert rpmdb to sqlite also when not chrooted

This is needed for live upgrades, either using urpmi or mgaonline (mga#29364).
Two changes are needed:
- fix detecting rpm version
- fix converting rpmdb when not in a chroot

1 files changed, 1 insertions, 1 deletions

diff --git a/urpm/sys.pm b/urpm/sys.pm
index bffb7ced..ce2ab3ae 100644
--- a/urpm/sys.pm
+++ b/urpm/sys.pm
@@ -317,7 +317,7 @@ sub migrate_rpmdb_to_sqlite {
     $urpm->{info}("migrating db from bdb to sqlite (rpm >= 4.16)");
     # Whatever is the default backend:
     URPM::add_macro('_db_backend sqlite');
-    if (system('chroot', $root, 'rpm', '--rebuilddb') == 0) {
+    if (system('rpm', '--rebuilddb', ($urpm->{root} ? ('--dbpath', "$urpm->{root}/var/lib/rpm") : @{[]})) == 0) {
 	$urpm->{log}("rpm db converted to sqlite successfully");
     } else {
 	$urpm->{error}("rpm db conversion failed. You will not be able to run rpm >= 4.17");