$ git clone -n https://gitee.com/guost123/edk2_update.git /var/lib/mock/dist-an23-build-442189-73171/root/chroot_tmpdir/scmroot/edk2_update
Cloning into '/var/lib/mock/dist-an23-build-442189-73171/root/chroot_tmpdir/scmroot/edk2_update'...
$ git fetch origin 3dddfb1571fe7e35f4d2b5033b8c20d357ea1afe:KOJI_FETCH_HEAD
From https://gitee.com/guost123/edk2_update
 * [new ref]         3dddfb1571fe7e35f4d2b5033b8c20d357ea1afe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3dddfb1 add support for riscv64