$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc8-build-67125-17095/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc8-build-67125-17095/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin a8ea3d263f7825e99250e8432a6641271aea395d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         a8ea3d263f7825e99250e8432a6641271aea395d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8ea3d2 import tomcat-9.0.62-27.tl3.3