$ git clone -n https://src.fedoraproject.org/rpms/PyGreSQL.git /var/lib/mock/f41-build-side-1-2749570-31004/root/chroot_tmpdir/scmroot/PyGreSQL
Cloning into '/var/lib/mock/f41-build-side-1-2749570-31004/root/chroot_tmpdir/scmroot/PyGreSQL'...
$ git fetch origin 655403b7e80687c5e57cd4f9b2010e54477cb102:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/PyGreSQL
 * [new ref]         655403b7e80687c5e57cd4f9b2010e54477cb102 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 655403b convert license to SPDX