$ git clone -n https://gitee.com/wenyuzifang/tomcat.git /var/lib/mock/dist-an23-build-464360-73881/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-an23-build-464360-73881/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin f9d500afb8a051bac95ddabfbc8bb3188ec5aefc:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/tomcat
 * [new ref]         f9d500afb8a051bac95ddabfbc8bb3188ec5aefc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9d500a Update code from upstream