$ git clone -n https://gitee.com/opencloudos-stream/roundcubemail.git /var/lib/mock/dist-rebuild-after-rpm-check-build-176532-11054/root/chroot_tmpdir/scmroot/roundcubemail
Cloning into '/var/lib/mock/dist-rebuild-after-rpm-check-build-176532-11054/root/chroot_tmpdir/scmroot/roundcubemail'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/roundcubemail
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e69daa package init