$ git clone -n https://src.fedoraproject.org/rpms/mmlib.git /var/lib/mock/f40-build-753435-117289/root/chroot_tmpdir/scmroot/mmlib
Cloning into '/var/lib/mock/f40-build-753435-117289/root/chroot_tmpdir/scmroot/mmlib'...
$ git fetch origin 98dc406384ace87d0f675fffd67f05f5289051cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mmlib
 * [new ref]         98dc406384ace87d0f675fffd67f05f5289051cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98dc406 Skip the wait_signal test on aarch64/ppc64le