$ git clone -n https://src.fedoraproject.org/rpms/llvm12.git /var/lib/mock/f38-build-side-42-init-devel-508062-25447/root/chroot_tmpdir/scmroot/llvm12
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-508062-25447/root/chroot_tmpdir/scmroot/llvm12'...
$ git reset --hard a7d7109627e0d662e969b66e6c2e87887a891a71
HEAD is now at a7d7109 Port typename patch to llvm12