$ git clone -n https://gitee.com/ywyw22/libipt /var/lib/mock/dist-an23-build-186776-60669/root/chroot_tmpdir/scmroot/libipt
Cloning into '/var/lib/mock/dist-an23-build-186776-60669/root/chroot_tmpdir/scmroot/libipt'...
$ git fetch origin 6c77be158d4202c6f0296d6b933ef00ff5bd8d67:KOJI_FETCH_HEAD
From https://gitee.com/ywyw22/libipt
 * [new ref]         6c77be158d4202c6f0296d6b933ef00ff5bd8d67 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c77be1 optimise spec file