$ git clone -n https://gitee.com/zhonglingh/llvm.git /var/lib/mock/dist-an23-build-254602-63578/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-an23-build-254602-63578/root/chroot_tmpdir/scmroot/llvm'...
$ git reset --hard ca9ffebf2a14f315b253b117461a91cf6edc74c9
HEAD is now at ca9ffeb refactor rpm spec