$ git clone -n https://src.fedoraproject.org/rpms/cachefilesd.git /var/lib/mock/f40-build-2240006-53628/root/chroot_tmpdir/scmroot/cachefilesd
Cloning into '/var/lib/mock/f40-build-2240006-53628/root/chroot_tmpdir/scmroot/cachefilesd'...
$ git fetch origin bd495b8fd6054ef363d43a086e28f18c1ac5ed50:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cachefilesd
 * [new ref]         bd495b8fd6054ef363d43a086e28f18c1ac5ed50 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd495b8 Convert License tag to SPDX format