$ git clone -n http://fedora.riscv.rocks:3000/rpms/llvm.git /var/lib/mock/f37-build-680186-76806/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/f37-build-680186-76806/root/chroot_tmpdir/scmroot/llvm'...
$ git reset --hard f253badffe281fc022d766627dcfd05760f5dec6
HEAD is now at f253bad Enable Clang toolchain