Detection of already installed homebrew cask (#7870)

* fix: detect already installed cask

Use json output v2 to check if formulae and casks are installed

chore: add changelog fragment

* test: add homebrew cask specific tests

* refactor: change cask used in tests

* chore: apply suggestions to changelog fragment

changelogs/fragments/7870-homebrew-cask-installed-detection.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - homebrew - detect already installed formulae and casks using JSON output from ``brew info`` (https://github.com/ansible-collections/community.general/issues/864).

plugins/modules/homebrew.py

@@ -165,6 +165,7 @@ changed_pkgs:
     version_added: '0.2.0'
 '''
 
+import json
 import os.path
 import re
 
@@ -184,6 +185,10 @@ def _create_regex_group_complement(s):
     chars = filter(None, (line.split('#')[0].strip() for line in lines))
     group = r'[^' + r''.join(chars) + r']'
     return re.compile(group)
+
+
+def _check_package_in_json(json_output, package_type):
+    return bool(json_output.get(package_type, []) and json_output[package_type][0].get("installed"))
 # /utils ------------------------------------------------------------------ }}}
 
 
@@ -479,17 +484,13 @@ class Homebrew(object):
         cmd = [
             "{brew_path}".format(brew_path=self.brew_path),
             "info",
+            "--json=v2",
             self.current_package,
         ]
         rc, out, err = self.module.run_command(cmd)
-        for line in out.split('\n'):
-            if (
-                re.search(r'Built from source', line)
-                or re.search(r'Poured from bottle', line)
-            ):
-                return True
+        data = json.loads(out)
 
-        return False
+        return _check_package_in_json(data, "formulae") or _check_package_in_json(data, "casks")
 
     def _current_package_is_outdated(self):
         if not self.valid_package(self.current_package):

tests/integration/targets/homebrew/tasks/casks.yml

@@ -0,0 +1,99 @@
+---
+####################################################################
+# WARNING: These are designed specifically for Ansible tests       #
+# and should not be used as examples of how to write Ansible roles #
+####################################################################
+
+# Test code for the homebrew module.
+# Copyright (c) 2020, Abhijeet Kasurde <akasurde@redhat.com>
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+- name: Find brew binary
+  command: which brew
+  register: brew_which
+  when: ansible_distribution in ['MacOSX']
+
+- name: Get owner of brew binary
+  stat:
+    path: "{{ brew_which.stdout }}"
+  register: brew_stat
+  when: ansible_distribution in ['MacOSX']
+
+#- name: Use ignored-pinned option while upgrading all
+#  homebrew:
+#    upgrade_all: true
+#    upgrade_options: ignore-pinned
+#  become: true
+#  become_user: "{{ brew_stat.stat.pw_name }}"
+#  register: upgrade_option_result
+#  environment:
+#    HOMEBREW_NO_AUTO_UPDATE: True
+
+#- assert:
+#    that:
+#      - upgrade_option_result.changed
+
+- vars:
+    package_name: kitty
+
+  block:
+  - name: Make sure {{ package_name }} package is not installed
+    homebrew:
+      name: "{{ package_name }}"
+      state: absent
+      update_homebrew: false
+    become: true
+    become_user: "{{ brew_stat.stat.pw_name }}"
+
+  - name: Install {{ package_name }} package using homebrew
+    homebrew:
+      name: "{{ package_name }}"
+      state: present
+      update_homebrew: false
+    become: true
+    become_user: "{{ brew_stat.stat.pw_name }}"
+    register: package_result
+
+  - assert:
+      that:
+        - package_result.changed
+
+  - name: Again install {{ package_name }} package using homebrew
+    homebrew:
+      name: "{{ package_name }}"
+      state: present
+      update_homebrew: false
+    become: true
+    become_user: "{{ brew_stat.stat.pw_name }}"
+    register: package_result
+
+  - assert:
+      that:
+        - not package_result.changed
+
+  - name: Uninstall {{ package_name }} package using homebrew
+    homebrew:
+      name: "{{ package_name }}"
+      state: absent
+      update_homebrew: false
+    become: true
+    become_user: "{{ brew_stat.stat.pw_name }}"
+    register: package_result
+
+  - assert:
+      that:
+        - package_result.changed
+
+  - name: Again uninstall {{ package_name }} package using homebrew
+    homebrew:
+      name: "{{ package_name }}"
+      state: absent
+      update_homebrew: false
+    become: true
+    become_user: "{{ brew_stat.stat.pw_name }}"
+    register: package_result
+
+  - assert:
+      that:
+        - not package_result.changed

tests/integration/targets/homebrew/tasks/formulae.yml

@@ -0,0 +1,99 @@
+---
+####################################################################
+# WARNING: These are designed specifically for Ansible tests       #
+# and should not be used as examples of how to write Ansible roles #
+####################################################################
+
+# Test code for the homebrew module.
+# Copyright (c) 2020, Abhijeet Kasurde <akasurde@redhat.com>
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+- name: Find brew binary
+  command: which brew
+  register: brew_which
+  when: ansible_distribution in ['MacOSX']
+
+- name: Get owner of brew binary
+  stat:
+    path: "{{ brew_which.stdout }}"
+  register: brew_stat
+  when: ansible_distribution in ['MacOSX']
+
+#- name: Use ignored-pinned option while upgrading all
+#  homebrew:
+#    upgrade_all: true
+#    upgrade_options: ignore-pinned
+#  become: true
+#  become_user: "{{ brew_stat.stat.pw_name }}"
+#  register: upgrade_option_result
+#  environment:
+#    HOMEBREW_NO_AUTO_UPDATE: True
+
+#- assert:
+#    that:
+#      - upgrade_option_result.changed
+
+- vars:
+    package_name: gnu-tar
+
+  block:
+  - name: Make sure {{ package_name }} package is not installed
+    homebrew:
+      name: "{{ package_name }}"
+      state: absent
+      update_homebrew: false
+    become: true
+    become_user: "{{ brew_stat.stat.pw_name }}"
+
+  - name: Install {{ package_name }} package using homebrew
+    homebrew:
+      name: "{{ package_name }}"
+      state: present
+      update_homebrew: false
+    become: true
+    become_user: "{{ brew_stat.stat.pw_name }}"
+    register: package_result
+
+  - assert:
+      that:
+        - package_result.changed
+
+  - name: Again install {{ package_name }} package using homebrew
+    homebrew:
+      name: "{{ package_name }}"
+      state: present
+      update_homebrew: false
+    become: true
+    become_user: "{{ brew_stat.stat.pw_name }}"
+    register: package_result
+
+  - assert:
+      that:
+        - not package_result.changed
+
+  - name: Uninstall {{ package_name }} package using homebrew
+    homebrew:
+      name: "{{ package_name }}"
+      state: absent
+      update_homebrew: false
+    become: true
+    become_user: "{{ brew_stat.stat.pw_name }}"
+    register: package_result
+
+  - assert:
+      that:
+        - package_result.changed
+
+  - name: Again uninstall {{ package_name }} package using homebrew
+    homebrew:
+      name: "{{ package_name }}"
+      state: absent
+      update_homebrew: false
+    become: true
+    become_user: "{{ brew_stat.stat.pw_name }}"
+    register: package_result
+
+  - assert:
+      that:
+        - not package_result.changed

tests/integration/targets/homebrew/tasks/main.yml

@@ -9,91 +9,9 @@
 # GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-- name: Find brew binary
-  command: which brew
-  register: brew_which
-  when: ansible_distribution in ['MacOSX']
-
-- name: Get owner of brew binary
-  stat:
-    path: "{{ brew_which.stdout }}"
-  register: brew_stat
-  when: ansible_distribution in ['MacOSX']
-
-#- name: Use ignored-pinned option while upgrading all
-#  homebrew:
-#    upgrade_all: true
-#    upgrade_options: ignore-pinned
-#  become: true
-#  become_user: "{{ brew_stat.stat.pw_name }}"
-#  register: upgrade_option_result
-#  environment:
-#    HOMEBREW_NO_AUTO_UPDATE: True
-
-#- assert:
-#    that:
-#      - upgrade_option_result.changed
-
-- vars:
-    package_name: gnu-tar
-
+- block:
+  - include_tasks: 'formulae.yml'
+ 
+- when: ansible_distribution in ['MacOSX']
   block:
-  - name: Make sure {{ package_name }} package is not installed
-    homebrew:
-      name: "{{ package_name }}"
-      state: absent
-      update_homebrew: false
-    become: true
-    become_user: "{{ brew_stat.stat.pw_name }}"
-
-  - name: Install {{ package_name }} package using homebrew
-    homebrew:
-      name: "{{ package_name }}"
-      state: present
-      update_homebrew: false
-    become: true
-    become_user: "{{ brew_stat.stat.pw_name }}"
-    register: package_result
-
-  - assert:
-      that:
-        - package_result.changed
-
-  - name: Again install {{ package_name }} package using homebrew
-    homebrew:
-      name: "{{ package_name }}"
-      state: present
-      update_homebrew: false
-    become: true
-    become_user: "{{ brew_stat.stat.pw_name }}"
-    register: package_result
-
-  - assert:
-      that:
-        - not package_result.changed
-
-  - name: Uninstall {{ package_name }} package using homebrew
-    homebrew:
-      name: "{{ package_name }}"
-      state: absent
-      update_homebrew: false
-    become: true
-    become_user: "{{ brew_stat.stat.pw_name }}"
-    register: package_result
-
-  - assert:
-      that:
-        - package_result.changed
-
-  - name: Again uninstall {{ package_name }} package using homebrew
-    homebrew:
-      name: "{{ package_name }}"
-      state: absent
-      update_homebrew: false
-    become: true
-    become_user: "{{ brew_stat.stat.pw_name }}"
-    register: package_result
-
-  - assert:
-      that:
-        - not package_result.changed
+    - include_tasks: 'casks.yml'