install: make git config setup idem-potent

ansible/playbooks/setup.yml

@@ -62,10 +62,20 @@
             # "ipython": "~/.ipython" # FIXME: ipython config is more complex
           "ansible.cfg": "~/.ansible.cfg"
 
+    - name: git config facts
+      community.general.git_config:
+        name: "include.path"
+        scope: global
+      register: config_value
+    - debug:
+        msg: "Git config include.path={{ config_value }}"
+
     - name: git config
       community.general.git_config:
         name: "include.path"
         value: "{{ DOTFILES }}/gitconfig"
+        scope: global
+      when: config_value is not defined
 
     - name: annoyances
       shell: |