$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc8-build-125671-75214/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc8-build-125671-75214/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 55f5ef8eac9d7451bf8e3570f18999b9fd438c4f:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         55f5ef8eac9d7451bf8e3570f18999b9fd438c4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55f5ef8 import tomcat-9.0.87-1.tl3.4