$ git clone -n https://src.fedoraproject.org/rpms/libtimezonemap.git /var/lib/mock/f41-build-side-1-2645542-27108/root/chroot_tmpdir/scmroot/libtimezonemap
Cloning into '/var/lib/mock/f41-build-side-1-2645542-27108/root/chroot_tmpdir/scmroot/libtimezonemap'...
$ git fetch origin 87d0892a1848349c543f9b032b17d2fbb850bbac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libtimezonemap
 * [new ref]         87d0892a1848349c543f9b032b17d2fbb850bbac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87d0892 convert GPLv3 license to SPDX