$ git clone -n https://src.fedoraproject.org/rpms/gnome-disk-utility.git /var/lib/mock/f41-build-850945-165853/root/chroot_tmpdir/scmroot/gnome-disk-utility
Cloning into '/var/lib/mock/f41-build-850945-165853/root/chroot_tmpdir/scmroot/gnome-disk-utility'...
$ git fetch origin 97b86e891f8e4855b642584abd57f36090e7dd42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-disk-utility
 * [new ref]         97b86e891f8e4855b642584abd57f36090e7dd42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97b86e8 Update to 46.1