Add llvm role

roles/llvm/tasks/Ubuntu-18.04.yaml

@@ -8,7 +8,7 @@
   set_fact:
     release: '{{releases.json | json_query("[?assets | [?contains(name, `x86_64-linux-gnu-ubuntu`)]] | [0]")}}'
 
-- name: select assets from latest release
+- name: select from latest available release with x86_64-linux-gnu-ubuntu asset
   set_fact:
     asset: '{{release | json_query("assets | [?contains(name, `x86_64-linux-gnu-ubuntu`)] | [?ends_with(name, `.tar.xz`)] | [0]")}}'
 
@@ -39,7 +39,9 @@
     extra_opts: ['--strip-components', '1']
 
 - name: create symlinks from /usr/local/lib/{package_name}} to /usr/local/bin
+  become: true
   file:
     src: '{{item}}'
     dest: '/usr/local/bin/{{item | basename}}'
-  with_fileglob: '/usr/local/lib/{{package_name}}/*'
+    state: link
+  with_fileglob: '/usr/local/lib/{{package_name}}/bin/*'