$ git clone -n https://src.fedoraproject.org/rpms/csnappy.git /var/lib/mock/f40-build-2235174-53420/root/chroot_tmpdir/scmroot/csnappy
Cloning into '/var/lib/mock/f40-build-2235174-53420/root/chroot_tmpdir/scmroot/csnappy'...
$ git fetch origin 9c96724ec478af26e8dd58aa7968d6455ed5436d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/csnappy
 * [new ref]         9c96724ec478af26e8dd58aa7968d6455ed5436d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c96724 Migrate to SPDX license