$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc9-build-124776-74413/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc9-build-124776-74413/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 7a86d5cd1d535b179f461782552829632cfaefa2:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         7a86d5cd1d535b179f461782552829632cfaefa2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a86d5c import tomcat-9.0.86-8.tl4