$ git clone -n https://gitee.com/wenyuzifang/tomcat.git /var/lib/mock/dist-an23-build-446550-73355/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-an23-build-446550-73355/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 706533f8ddd70e86cf7cfad05705b87a91d26128:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/tomcat
 * [new ref]         706533f8ddd70e86cf7cfad05705b87a91d26128 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 706533f Update code from upstream