$ git clone -n https://gitee.com/wenyuzifang/bash-completion.git /var/lib/mock/dist-an23-build-480583-74252/root/chroot_tmpdir/scmroot/bash-completion
Cloning into '/var/lib/mock/dist-an23-build-480583-74252/root/chroot_tmpdir/scmroot/bash-completion'...
$ git fetch origin 775b38ac1f1f9801cada370a65475f87049a3468:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/bash-completion
 * [new ref]         775b38ac1f1f9801cada370a65475f87049a3468 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 775b38a Update code from upstream