$ git clone -n https://gitee.com/fundawang/qemu.git /var/lib/mock/dist-an23-build-332515-69598/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-332515-69598/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 577bdfcfa52230f134d89a6e3e34d87323282093:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/qemu
 * [new ref]         577bdfcfa52230f134d89a6e3e34d87323282093 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 577bdfc 7.2.7