$ git clone -n https://gitee.com/src-opencloudos-rpms/llvm.git /var/lib/mock/dist-oc9-pre-build-238541-82537/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-oc9-pre-build-238541-82537/root/chroot_tmpdir/scmroot/llvm'...
$ git fetch origin b09afda2b99aff84ad960ddeee6b86f847613b51:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/llvm
 * [new ref]         b09afda2b99aff84ad960ddeee6b86f847613b51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b09afda import llvm-17.0.6-17.tl4