$ git clone -n https://src.fedoraproject.org/rpms/haxe.git /var/lib/mock/f41-build-1146705-21201/root/chroot_tmpdir/scmroot/haxe
Cloning into '/var/lib/mock/f41-build-1146705-21201/root/chroot_tmpdir/scmroot/haxe'...
$ git fetch origin bf4715fb0d25f04b8c4f672aad9262d5e665253e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/haxe
 * [new ref]         bf4715fb0d25f04b8c4f672aad9262d5e665253e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf4715f OCaml 5.2.0 ppc64le fix