$ git clone -n https://src.fedoraproject.org/rpms/evtest.git /var/lib/mock/f40-build-2209311-52153/root/chroot_tmpdir/scmroot/evtest
Cloning into '/var/lib/mock/f40-build-2209311-52153/root/chroot_tmpdir/scmroot/evtest'...
$ git fetch origin cd17ad5b37199a5f04cef0517a97bed855dfee7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evtest
 * [new ref]         cd17ad5b37199a5f04cef0517a97bed855dfee7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd17ad5 SPDX migration take 2