$ git clone -n https://gitee.com/gaojuxin09/loongarch-kernel.git /var/lib/mock/dist-an8.9-build-394798-72153/root/chroot_tmpdir/scmroot/loongarch-kernel
Cloning into '/var/lib/mock/dist-an8.9-build-394798-72153/root/chroot_tmpdir/scmroot/loongarch-kernel'...
$ git fetch origin 882ea491a99791d43a04bcdfd12117de874f71a6:KOJI_FETCH_HEAD
From https://gitee.com/gaojuxin09/loongarch-kernel
 * [new ref]         882ea491a99791d43a04bcdfd12117de874f71a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 882ea49 4.19.190-7.10