$ git clone -n https://gitee.com/llvm-la/llvm.git /var/lib/mock/dist-an23-build-python3.11-373811-71565/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-an23-build-python3.11-373811-71565/root/chroot_tmpdir/scmroot/llvm'...
$ git fetch origin e20ad4815e69d009fa091021ca486ae0abb87a9f:KOJI_FETCH_HEAD
From https://gitee.com/llvm-la/llvm
 * [new ref]         e20ad4815e69d009fa091021ca486ae0abb87a9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e20ad48 LoongArch: Backport patches from release/18.x(9b3edb592deb)