$ git clone -n https://gitee.com/wenyuzifang/ftp.git /var/lib/mock/dist-an23-build-462574-73799/root/chroot_tmpdir/scmroot/ftp
Cloning into '/var/lib/mock/dist-an23-build-462574-73799/root/chroot_tmpdir/scmroot/ftp'...
$ git fetch origin cac138eb8c67a4daeab1509ca02047c44f63ff28:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/ftp
 * [new ref]         cac138eb8c67a4daeab1509ca02047c44f63ff28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cac138e Update code from upstream