$ git clone -n https://gitee.com/llvm-la/lld.git /var/lib/mock/dist-an23.2-build-400165-72361/root/chroot_tmpdir/scmroot/lld
Cloning into '/var/lib/mock/dist-an23.2-build-400165-72361/root/chroot_tmpdir/scmroot/lld'...
$ git fetch origin 2a51a51fe4c5be4d05a7d5dd586d19f33749a865:KOJI_FETCH_HEAD
From https://gitee.com/llvm-la/lld
 * [new ref]         2a51a51fe4c5be4d05a7d5dd586d19f33749a865 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a51a51 LoongArch: Add support for R_LARCH_CALL36 reloc type