Update ubuntu-firefox to use linux mint packages

roles/ubuntu-firefox/files/etc/apt/preferences.d/mint-firefox

@@ -0,0 +1,11 @@
+Package: *
+Pin: release o=linuxmint
+Pin-Priority: -1
+
+Package: firefox*
+Pin: release o=linuxmint
+Pin-Priority: 1002
+
+Package: firefox*
+Pin: release o=linuxmint
+Pin-Priority: 1002

roles/ubuntu-firefox/files/tmp/fakepkg

@@ -0,0 +1,7 @@
+Section: misc
+Priority: optional
+Standards-Version: 3.9.2
+Package: ubuntu-system-adjustments
+Version: 2021.12.16
+
+Description: Fake package to install firefox from linux mint

roles/ubuntu-firefox/tasks/linux-mint.yml

@@ -0,0 +1,83 @@
+- become: yes
+  block:
+    - name: Gather the package facts
+      ansible.builtin.package_facts:
+        manager: auto
+
+    - name: remove snap
+      community.general.snap:
+        name: firefox
+        state: absent
+      when:
+        - "'snapd' in ansible_facts.packages"
+        - "'firefox' in ansible_facts.packages"
+        - ansible_facts.packages['firefox'][0].version == "1:1snap1-0ubuntu2"
+
+    - name: remove snap
+      community.general.snap:
+        name: firefox
+        state: disabled
+      when:
+        - "'snapd' in ansible_facts.packages"
+        - "'firefox' in ansible_facts.packages"
+        - ansible_facts.packages['firefox'][0].version == "1:1snap1-0ubuntu2"
+
+    - name: remove apt snap wrapper version
+      apt:
+        state: absent
+        pkg:
+          - firefox
+      when:
+        - "'firefox' in ansible_facts.packages"
+        - ansible_facts.packages['firefox'][0].version == "1:1snap1-0ubuntu2"
+
+    - name: Add linux mint source list
+      ansible.builtin.apt_repository:
+        repo: deb http://packages.linuxmint.com vera upstream
+        state: present
+
+    - name: set linux mint for higher priority
+      copy:
+        src: etc/apt/preferences.d/mint-firefox
+        dest: /etc/apt/preferences.d/mint-firefox
+
+    - name: Remove unattended upgrades
+      file:
+        path: /etc/apt/apt.conf.d/51unattended-upgrades-firefox
+        state: absent
+
+    - name: Remove mozilla ppa
+      apt_repository:
+        repo: ppa:mozillateam/ppa
+        state: absent
+
+    - name: install equivs
+      become: yes
+      apt:
+        update_cache: yes
+        state: latest
+        pkg:
+          - equivs
+
+    - name: copy fakepackage to satisfy dependencies
+      copy:
+        src: tmp/fakepkg
+        dest: /tmp/fakepkg
+
+    - name: make fake ubuntu-system-adjustments package
+      shell:
+        cmd: equivs-build /tmp/fakepkg
+        chdir: /tmp
+
+    - name: Install a .deb package
+      ansible.builtin.apt:
+        deb: /tmp/ubuntu-system-adjustments_2021.12.16_all.deb
+
+    - name: install browser
+      become: yes
+      apt:
+        allow_downgrade: true
+        update_cache: yes
+        state: latest
+        pkg:
+          - firefox

roles/ubuntu-firefox/tasks/main.yml

@@ -1,5 +1,5 @@
 ---
-- import_tasks: ppa.yml
+- import_tasks: linux-mint.yml
   when: ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int >= 22
 
 - import_tasks: update-alternatives.yml