$ git clone -n https://gitee.com/opencloudos-stream/mlir.git /var/lib/mock/dist-ocs23-rebuild-test-0-build-280956-26860/root/chroot_tmpdir/scmroot/mlir
Cloning into '/var/lib/mock/dist-ocs23-rebuild-test-0-build-280956-26860/root/chroot_tmpdir/scmroot/mlir'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mlir
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a89017a Rebuilt for loongarch release