$ git clone -n https://src.fedoraproject.org/rpms/gaupol.git /var/lib/mock/f40-build-2719996-73029/root/chroot_tmpdir/scmroot/gaupol
Cloning into '/var/lib/mock/f40-build-2719996-73029/root/chroot_tmpdir/scmroot/gaupol'...
$ git fetch origin 20fdf4fd1d066d099975077d1e79955a260f3552:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gaupol
 * [new ref]         20fdf4fd1d066d099975077d1e79955a260f3552 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 20fdf4f Update to 1.14.1 (close RHBZ#2272858)