$ git clone -n https://gitee.com/guost123/tengine.git /var/lib/mock/dist-an23-build-447201-73363/root/chroot_tmpdir/scmroot/tengine
Cloning into '/var/lib/mock/dist-an23-build-447201-73363/root/chroot_tmpdir/scmroot/tengine'...
$ git fetch origin faf73e25d42b9fe1117b5f3409819a90eaef084f:KOJI_FETCH_HEAD
From https://gitee.com/guost123/tengine
 * [new ref]         faf73e25d42b9fe1117b5f3409819a90eaef084f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at faf73e2 build for riscv64