$ git clone -n https://gitee.com/fundawang/tomcat.git /var/lib/mock/dist-an23-build-296758-65797/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-an23-build-296758-65797/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 6b2efb7b6d36fba94e11b1bc5c80782b390c55ac:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/tomcat
 * [new ref]         6b2efb7b6d36fba94e11b1bc5c80782b390c55ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b2efb7 9.0.80