$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc9-build-239028-82573/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc9-build-239028-82573/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin e1679575153ccdfa5d19830ce4f2a3f72a7068d3:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         e1679575153ccdfa5d19830ce4f2a3f72a7068d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e167957 import tomcat-9.0.117-2.tl4