$ git clone -n https://gitee.com/zhangwenlong01/dpkg_1.git /var/lib/mock/dist-an23-build-317300-67804/root/chroot_tmpdir/scmroot/dpkg_1
Cloning into '/var/lib/mock/dist-an23-build-317300-67804/root/chroot_tmpdir/scmroot/dpkg_1'...
$ git fetch origin aff00386215731ec757345922fc7e29af46c17ec:KOJI_FETCH_HEAD
From https://gitee.com/zhangwenlong01/dpkg_1
 * [new ref]         aff00386215731ec757345922fc7e29af46c17ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aff0038 add loongarch64 support for dpkg