Merge "Workaround for a dnf bug"

diskimage-create/diskimage-create.sh

@@ -314,10 +314,9 @@ else
     # fedora/centos/rhel
     # Actual qemu-img name may be qemu-img, qemu-img-ev, qemu-img-rhev, ...
     # "dnf|yum install qemu-img" works for all, but search requires wildcard
-    PKG_MGR=$(which dnf &>/dev/null && echo dnf || echo yum)
     PKG_LIST="qemu-img* git"
     for pkg in $PKG_LIST; do
-        if ! $PKG_MGR info installed $pkg &> /dev/null; then
+        if ! rpm -qa $pkg ; then
             echo "Required package " ${pkg/\*} " is not installed.  Exiting."
             exit 1
         fi