$ git clone -n https://src.fedoraproject.org/rpms/gdl.git /var/lib/mock/f41-build-718976-13080/root/chroot_tmpdir/scmroot/gdl
Cloning into '/var/lib/mock/f41-build-718976-13080/root/chroot_tmpdir/scmroot/gdl'...
$ git fetch origin d2e24728c1d6a1d7f9235622bf5540aeb4bcf5b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdl
 * [new ref]         d2e24728c1d6a1d7f9235622bf5540aeb4bcf5b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2e2472 Update to 1.0.6