$ git clone -n https://gitee.com/opencloudos-stream/tango-icon-theme /var/lib/mock/dist-ocs23-epol9-build-274551-25911/root/chroot_tmpdir/scmroot/tango-icon-theme
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-274551-25911/root/chroot_tmpdir/scmroot/tango-icon-theme'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/tango-icon-theme
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbb4ee9 update