$ git clone -n https://gitee.com/fundawang/mariadb.git /var/lib/mock/dist-an23-build-271858-64151/root/chroot_tmpdir/scmroot/mariadb
Cloning into '/var/lib/mock/dist-an23-build-271858-64151/root/chroot_tmpdir/scmroot/mariadb'...
$ git fetch origin 903846594dec5830159618bd47ded4fe0224a33b:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/mariadb
 * [new ref]         903846594dec5830159618bd47ded4fe0224a33b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9038465 add more br