$ git clone -n https://gitee.com/little-huaduo/llvm.git /var/lib/mock/dist-an23.3-build-434514-73067/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-an23.3-build-434514-73067/root/chroot_tmpdir/scmroot/llvm'...
$ git fetch origin ae9dcf8a68f92d84cc264f1ef2451ab33f174228:KOJI_FETCH_HEAD
From https://gitee.com/little-huaduo/llvm
 * [new ref]         ae9dcf8a68f92d84cc264f1ef2451ab33f174228 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae9dcf8 Add Sw64 support for llvm