$ git clone -n https://gitee.com/wenyuzifang/tomcat.git /var/lib/mock/dist-an23-build-446469-73347/root/chroot_tmpdir/scmroot/tomcat
Cloning into '/var/lib/mock/dist-an23-build-446469-73347/root/chroot_tmpdir/scmroot/tomcat'...
$ git fetch origin 200c949fc0ab1ca7cd2daf215ff0b6a28bb36a44:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/tomcat
 * [new ref]         200c949fc0ab1ca7cd2daf215ff0b6a28bb36a44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 200c949 Update code from upstream