$ git clone -n https://gitee.com/src-opencloudos-rpms/tomcat.git /var/lib/mock/dist-oc8-build-249813-83906/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-oc8-build-249813-83906/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 67a7954459e2cb23411c47f77da870d25bb31bab:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tomcat
 * [new ref]         67a7954459e2cb23411c47f77da870d25bb31bab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67a7954 import tomcat-9.0.120-1.tl3