$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc9-build-237675-82460/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc9-build-237675-82460/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 9e756b7dd281229065d4f7104512f780b1cf9ea5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         9e756b7dd281229065d4f7104512f780b1cf9ea5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e756b7 import tomcat-9.0.117-1.tl4