$ git clone -n https://src.fedoraproject.org/rpms/chmlib.git /var/lib/mock/f41-build-side-1-2633021-25878/root/chroot_tmpdir/scmroot/chmlib
Cloning into '/var/lib/mock/f41-build-side-1-2633021-25878/root/chroot_tmpdir/scmroot/chmlib'...
$ git fetch origin 7f49b037b162a27d6d4ebb734cb0ac3e2e8ed322:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chmlib
 * [new ref]         7f49b037b162a27d6d4ebb734cb0ac3e2e8ed322 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f49b03 convert license to SPDX