$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc9-build-124796-74428/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc9-build-124796-74428/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 66c743c9b67bed3e89bedb73bd7894afa01ae6be:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         66c743c9b67bed3e89bedb73bd7894afa01ae6be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66c743c import tomcat-9.0.86-8.tl4.1