$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc9-build-168999-79841/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc9-build-168999-79841/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 59ce5c74ec4c724c1fa1e1b4aac86faadaed3fa9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         59ce5c74ec4c724c1fa1e1b4aac86faadaed3fa9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59ce5c7 import tomcat-9.0.86-11.tl4