$ git clone -n https://src.fedoraproject.org/rpms/pyproj.git /var/lib/mock/f40-build-734646-106000/root/chroot_tmpdir/scmroot/pyproj
Cloning into '/var/lib/mock/f40-build-734646-106000/root/chroot_tmpdir/scmroot/pyproj'...
$ git fetch origin 312c7c2626f3ad9c3d4afe9f3422a88a52d29c09:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pyproj
 * [new ref]         312c7c2626f3ad9c3d4afe9f3422a88a52d29c09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 312c7c2 update to upstream version 3.6.1