$ git clone -n https://src.fedoraproject.org/rpms/oxygen-fonts.git /var/lib/mock/f41-build-side-1-2650255-27574/root/chroot_tmpdir/scmroot/oxygen-fonts
Cloning into '/var/lib/mock/f41-build-side-1-2650255-27574/root/chroot_tmpdir/scmroot/oxygen-fonts'...
$ git fetch origin f767c023c6bfe64d0abe9ad6be3ed3e119d0a76c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/oxygen-fonts
 * [new ref]         f767c023c6bfe64d0abe9ad6be3ed3e119d0a76c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f767c02 convert license to SPDX