$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc8-build-124851-74451/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc8-build-124851-74451/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 06a107787880fc12772f0745636def342664a3d7:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         06a107787880fc12772f0745636def342664a3d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06a1077 import tomcat-9.0.87-1.tl3.3