$ git clone -n https://src.fedoraproject.org/rpms/rkward.git /var/lib/mock/f39-build-1540671-36477/root/chroot_tmpdir/scmroot/rkward
Cloning into '/var/lib/mock/f39-build-1540671-36477/root/chroot_tmpdir/scmroot/rkward'...
$ git fetch origin 9397ebc5c07248da07a043473b743efc8baa1733:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rkward
 * [new ref]         9397ebc5c07248da07a043473b743efc8baa1733 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9397ebc Revert "Convert to %autorelease and %autochangelog"