$ git clone -n https://src.fedoraproject.org/rpms/berusky.git /var/lib/mock/f41-build-762791-13458/root/chroot_tmpdir/scmroot/berusky
Cloning into '/var/lib/mock/f41-build-762791-13458/root/chroot_tmpdir/scmroot/berusky'...
$ git fetch origin da2abd96d78e71ee9d6aed8b24be07a92b0faaf4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/berusky
 * [new ref]         da2abd96d78e71ee9d6aed8b24be07a92b0faaf4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da2abd9 Eliminate use of obsolete %patchN syntax (#2283636)