$ git clone -n https://gitee.com/opencloudos-stream/tomcat.git /var/lib/mock/dist-ocs23-base-build-305029-30929/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-ocs23-base-build-305029-30929/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/tomcat
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d344d25 !8 Upgrade to upstream version 9.0.98 Merge pull request !8 from jackxjchen/master