Make git role idempotent

roles/git/tasks/main.yml

@@ -18,6 +18,40 @@
     src: ignore
     dest: ~/.config/git/ignore
 
+- name: Check values for git_username
+  git_config:
+    scope: file
+    file: ~/.gitconfig
+    name: user.name
+  register: git_username
+
+- name: Check values for git_useremail
+  git_config:
+    scope: file
+    file: ~/.gitconfig
+    name: user.email
+  register: git_useremail
+
+- name: Reuse username
+  set_fact:
+    username: "{{ git_username.config_value }}"
+  when: git_username.config_value != ""
+
+- name: Set new username
+  set_fact:
+    username: "{{ ansible_facts['env']['USER'] }}@{{ ansible_hostname }}"
+  when: git_username.config_value == ""
+
+- name: Reuse useremail
+  set_fact:
+    useremail: "{{ git_useremail.config_value }}"
+  when: git_useremail.config_value != ""
+
+- name: Set new useremail
+  set_fact:
+    useremail: "{{ git_email }}" # Set in vault
+  when: git_useremail.config_value == ""
+
 - name: Copy global gitconfig
   template:
     src: gitconfig.j2

roles/git/templates/gitconfig.j2

@@ -1,6 +1,6 @@
 [user]
-	name = {{ ansible_facts['env']['USER'] }}@{{ ansible_hostname }}
+	name = {{ username }}
-	email = {{ git_email }}
+	email = {{ useremail }}
 [pull]
 	rebase = false
 [alias]