$ git clone -n https://gitee.com/src-opencloudos-rpms/foomatic-db.git /var/lib/mock/dist-oc9-build-69828-47349/root/chroot_tmpdir/scmroot/foomatic-db
Cloning into '/var/lib/mock/dist-oc9-build-69828-47349/root/chroot_tmpdir/scmroot/foomatic-db'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/foomatic-db
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07b038f import foomatic-db-4.0-4.20210611.tl4