$ git clone -n https://src.fedoraproject.org/rpms/collada-dom.git /var/lib/mock/f40-build-2047364-48957/root/chroot_tmpdir/scmroot/collada-dom
Cloning into '/var/lib/mock/f40-build-2047364-48957/root/chroot_tmpdir/scmroot/collada-dom'...
$ git fetch origin aeb32f933543eab5a0937d98541d99b25eac098a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/collada-dom
 * [new ref]         aeb32f933543eab5a0937d98541d99b25eac098a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aeb32f9 Rebuilt for minizip-ng transition Fedora change