$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc8-build-186780-80332/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc8-build-186780-80332/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 7c5ba595ba63f173973655a013b885be10a1dd3b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         7c5ba595ba63f173973655a013b885be10a1dd3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c5ba59 import tomcat-9.0.87-1.tl3.6