$ git clone -n https://gitee.com/lslwh/loongarch-kernel.git /var/lib/mock/dist-an8.7-build-271704-64139/root/chroot_tmpdir/scmroot/loongarch-kernel
Cloning into '/var/lib/mock/dist-an8.7-build-271704-64139/root/chroot_tmpdir/scmroot/loongarch-kernel'...
$ git fetch origin 7bbe98d78bad8e332185b87b426e10ffe6aadc91:KOJI_FETCH_HEAD
From https://gitee.com/lslwh/loongarch-kernel
 * [new ref]         7bbe98d78bad8e332185b87b426e10ffe6aadc91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7bbe98d 4.19.190-7.5