$ git clone -n https://gitee.com/opencloudos-stream/mlir.git /var/lib/mock/dist-oc9-epol-build-68546-47002/root/chroot_tmpdir/scmroot/mlir
Cloning into '/var/lib/mock/dist-oc9-epol-build-68546-47002/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 e7a54a9 !3 【软件升级】 [mlir] 可升级至 [17.0.6] Merge pull request !3 from luochenglcs/master