$ git clone -n https://gitee.com/mgb01105731/mariadb-connector-c_1.git /var/lib/mock/dist-an23.2-build-422147-72903/root/chroot_tmpdir/scmroot/mariadb-connector-c_1
Cloning into '/var/lib/mock/dist-an23.2-build-422147-72903/root/chroot_tmpdir/scmroot/mariadb-connector-c_1'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/mariadb-connector-c_1
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cf2b94 Update to 3.4.4 from 3.3.7