$ git clone -n https://gitee.com/wency_cn/gdisk.git /var/lib/mock/dist-an23-build-492108-74553/root/chroot_tmpdir/scmroot/gdisk
Cloning into '/var/lib/mock/dist-an23-build-492108-74553/root/chroot_tmpdir/scmroot/gdisk'...
$ git fetch origin 27feab8300e6bbc4ae3b378e56c6f19cea24005a:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/gdisk
 * [new ref]         27feab8300e6bbc4ae3b378e56c6f19cea24005a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27feab8 Update code from upstream