$ git clone -n https://gitee.com/fundawang/llvm-toolset.git /var/lib/mock/dist-an23-build-214877-61983/root/chroot_tmpdir/scmroot/llvm-toolset
Cloning into '/var/lib/mock/dist-an23-build-214877-61983/root/chroot_tmpdir/scmroot/llvm-toolset'...
$ git reset --hard 39eea014489cb07181f502146e67a95763b25ab7
HEAD is now at 39eea01 Merge source package into llvm