$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc9-build-122877-72469/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc9-build-122877-72469/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin bafc32be3677769ed087dcf79bf5b91563eedffd:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         bafc32be3677769ed087dcf79bf5b91563eedffd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bafc32b import tomcat-9.0.86-7.tl4