$ git clone -n https://gitee.com/fundawang/mesa.git /var/lib/mock/dist-an23-build-295489-65781/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/dist-an23-build-295489-65781/root/chroot_tmpdir/scmroot/mesa'...
$ git fetch origin 3b15bd7140504f670a9d6d8289f23eb80eee144c:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/mesa
 * [new ref]         3b15bd7140504f670a9d6d8289f23eb80eee144c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b15bd7 23.1.6