$ git clone -n https://src.fedoraproject.org/rpms/qsf.git /var/lib/mock/f40-build-2223745-52752/root/chroot_tmpdir/scmroot/qsf
Cloning into '/var/lib/mock/f40-build-2223745-52752/root/chroot_tmpdir/scmroot/qsf'...
$ git fetch origin cc7f8e83d5385aa2f1317e9e5f79ce3c6b0e78b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qsf
 * [new ref]         cc7f8e83d5385aa2f1317e9e5f79ce3c6b0e78b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc7f8e8 convert license tag to SPDX