$ git clone -n https://src.fedoraproject.org/rpms/colm.git /var/lib/mock/f41-build-side-1-2633322-25914/root/chroot_tmpdir/scmroot/colm
Cloning into '/var/lib/mock/f41-build-side-1-2633322-25914/root/chroot_tmpdir/scmroot/colm'...
$ git fetch origin b7dd358d75c0537213adf60672c8e1b006192167:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/colm
 * [new ref]         b7dd358d75c0537213adf60672c8e1b006192167 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7dd358 convert license to SPDX