$ git clone -n https://gitee.com/fundawang/git.git /var/lib/mock/dist-an23-build-286854-64835/root/chroot_tmpdir/scmroot/git
Cloning into '/var/lib/mock/dist-an23-build-286854-64835/root/chroot_tmpdir/scmroot/git'...
$ git fetch origin 83b4d04ac9ae53d85a303442cb61d79e33aba0f3:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/git
 * [new ref]         83b4d04ac9ae53d85a303442cb61d79e33aba0f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83b4d04 2.41.0