$ git clone -n https://src.fedoraproject.org/forks/packit/rpms/efs-utils.git /var/lib/mock/f42-build-59195744-6571706/root/chroot_tmpdir/scmroot/efs-utils
Cloning into '/var/lib/mock/f42-build-59195744-6571706/root/chroot_tmpdir/scmroot/efs-utils'...
$ git fetch origin f56ba19a60a8978cc2f058ef480a3ce219f8c628:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/packit/rpms/efs-utils
 * [new ref]         f56ba19a60a8978cc2f058ef480a3ce219f8c628 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f56ba19 Update to 2.3.0 upstream release