---

- name: Fetch Ruby version required by Mastodon
  shell: "cat {{ mastodon_home }}/{{ mastodon_path }}/.ruby-version"
  register: ruby_version

- name: Fetch latest tagged release of rbenv
  shell: "git -c 'versionsort.suffix=-' ls-remote --tags --sort='v:refname' https://github.com/rbenv/rbenv.git | tail --lines=1 | cut -d '/' -f 3"
  register: rbenv_version

- name: Fetch latest tagged release of ruby-build
  shell: "git -c 'versionsort.suffix=-' ls-remote --tags --sort='v:refname' https://github.com/rbenv/ruby-build.git | tail --lines=1 | cut -d '/' -f 3"
  register: ruby_build_version

- name: "Clone rbenv version {{ rbenv_version.stdout }}"
  git:
    repo: "https://github.com/rbenv/rbenv.git"
    dest: "~/.rbenv"
    clone: true
    version: "{{ rbenv_version.stdout }}"

- name: "Clone ruby-build version {{ ruby_build_version.stdout }}"
  git:
    repo: "https://github.com/rbenv/ruby-build.git"
    dest: "~/.rbenv/plugins/ruby-build"
    clone: true
    version: "{{ ruby_build_version.stdout }}"
  register: ruby_build

- name: Configure rbenv
  command: ./configure
  args:
    chdir: "~/.rbenv/src"
  register: rbenv_configure

- name: Build rbenv
  command: make
  args:
    chdir: "~/.rbenv/src"
  when: rbenv_configure is succeeded

- name: Update profile settings
  copy:
    dest: "~/.bashrc"
    content: |
      export PATH="~/.rbenv/bin:${PATH}"
      eval "$(rbenv init -)"

- name: Check if the Ruby version is already installed
  shell: "~/.rbenv/bin/rbenv versions | grep -q {{ ruby_version.stdout }}"
  register: ruby_installed
  ignore_errors: true
  check_mode: no

- name: Install Ruby {{ ruby_version.stdout }}
  shell: "~/.rbenv/bin/rbenv install {{ ruby_version.stdout }}"
  args:
    executable: /bin/bash
  when: ruby_installed is failed

- name: Set the default Ruby version to {{ ruby_version.stdout }}
  shell: "~/.rbenv/bin/rbenv global {{ ruby_version.stdout }}"
  args:
    executable: /bin/bash
  register: default_ruby_version

#Locking the Bundler version by itself is no longer required
#https://bundler.io/blog/2022/01/23/bundler-v2-3.html
- name: Install bundler
  shell: 'export PATH="$HOME/.rbenv/bin:$PATH"; eval "$(rbenv init -)"; gem install bundler'
  args:
    executable: /bin/bash
  when: default_ruby_version is succeeded

- name: Set SELinux policy for rbenv bundle same as /bin
  become: true
  #Workaround for "SELinux policy is not managed or store cannot be accessed" issue
  become_user: root
  shell: "chcon -R --reference /bin {{ mastodon_home }}/.rbenv/shims/bundle"
  when:
    - ansible_os_family == "RedHat"