$ git clone -n https://gitee.com/src-opencloudos-rpms/llvm.git /var/lib/mock/dist-oc9-build-186581-80314/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-oc9-build-186581-80314/root/chroot_tmpdir/scmroot/llvm'...
$ git fetch origin 9d03ff5b77f575deb21394e3077e00edd75301c2:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/llvm
 * [new ref]         9d03ff5b77f575deb21394e3077e00edd75301c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d03ff5 import llvm-17.0.6-11.tl4