$ git clone -n https://gitee.com/gaojuxin09/loongarch-kernel.git /var/lib/mock/dist-an8.9-build-421500-72901/root/chroot_tmpdir/scmroot/loongarch-kernel
Cloning into '/var/lib/mock/dist-an8.9-build-421500-72901/root/chroot_tmpdir/scmroot/loongarch-kernel'...
$ git fetch origin 06be05eb831e35668c265ab5a1738cecbdf25f27:KOJI_FETCH_HEAD
From https://gitee.com/gaojuxin09/loongarch-kernel
 * [new ref]         06be05eb831e35668c265ab5a1738cecbdf25f27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06be05e [Feature] Update kernel version from 4.19.190-7.11 to 4.19.190-7.12