$ git clone -n https://gitee.com/doriscchao/tomcat.git /var/lib/mock/dist-oc9-build-137122-79503/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc9-build-137122-79503/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/doriscchao/tomcat
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29fd7fa 新版本已有0001-Revert-change-made-for-testing.patch 这个改动