$ git clone -n https://gitee.com/opencloudos-stream/mariadb.git /var/lib/mock/dist-ocs23-base-build-334166-36759/root/chroot_tmpdir/scmroot/mariadb
Cloning into '/var/lib/mock/dist-ocs23-base-build-334166-36759/root/chroot_tmpdir/scmroot/mariadb'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mariadb
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34034b7 !11 【自动升级】mariadb 10.11.15 Merge pull request !11 from ocs-bot/master