Check if default shell is configured

roles/macos/tasks/main.yml

@@ -19,14 +19,21 @@
     name: "{{ apps_brew_cask }}"
   ignore_errors: yes
 
-- name: Add Bash to /etc/shells
-  become: true
-  lineinfile:
-    path: /etc/shells
-    line: /usr/local/bin/bash
-
-- name: Set Bash as default shell
-  command: chsh -s /usr/local/bin/bash
+- name: Get default shell
+  shell: dscl . -read ~/ UserShell | cut -d ' ' -f 2-
+  register: current_shell
+
+- name: Configure {{ default_shell.name }} as a default shell
+  when: current_shell.stdout != default_shell.path
+  block:
+  - name: Add {{ default_shell.name }} to /etc/shells
+    become: true
+    lineinfile:
+      path: /etc/shells
+      line: "{{ default_shell.path }}"
+
+  - name: Set Bash as default shell
+    command: chsh -s {{ default_shell.path }}
 
 - include: install-dmg.yml
   become: true