$ git clone -n https://gitee.com/wency_cn/bash-completion.git /var/lib/mock/dist-an23-build-492069-74553/root/chroot_tmpdir/scmroot/bash-completion
Cloning into '/var/lib/mock/dist-an23-build-492069-74553/root/chroot_tmpdir/scmroot/bash-completion'...
$ git fetch origin 080266a86af515a0ece0dc4228c811450b460d03:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/bash-completion
 * [new ref]         080266a86af515a0ece0dc4228c811450b460d03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 080266a Update code from upstream