$ git clone -n https://src.fedoraproject.org/rpms/haxe.git /var/lib/mock/f45-build-13345-449/root/chroot_tmpdir/scmroot/haxe
Cloning into '/var/lib/mock/f45-build-13345-449/root/chroot_tmpdir/scmroot/haxe'...
$ git fetch origin 8a49ac4247d338f5533a00815e76b40cf241dce2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/haxe
 * [new ref]         8a49ac4247d338f5533a00815e76b40cf241dce2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a49ac4 OCaml 5.5.1 rebuild