$ git clone -n https://gitee.com/zhangwenlong01/systemd.git /var/lib/mock/dist-an23-build-320728-67940/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an23-build-320728-67940/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard 1b4cf9d5fcdd663af36ce0e09781c072380f7121
HEAD is now at 1b4cf9d add loongarch64 support for systemd