- name: Check if toolchain path is already present
  stat:
    path: "{{ go_toolchains_path }}/{{ go_toolchain_version }}"
  register: toolchain

- name: Make sure toolchain path has correct permissions
  file:
    path: "{{ go_toolchains_path }}"
    state: directory
    owner: root
    group: root
    mode: 0755
  when: toolchain.stat.exists == False

- name: Download toolchain tarball
  get_url:
    url: "{{ go_toolchain_url }}"
    dest: "/tmp/{{ go_toolchain_archive }}"
    checksum: "sha256:{{ go_toolchain_sha256 }}"
  when: toolchain.stat.exists == False

- name: Unarchive toolchain tarball
  unarchive:
   src: "/tmp/{{ go_toolchain_archive }}"
   dest: "{{ go_toolchains_path }}"
   copy: no
  when: toolchain.stat.exists == False

- name: Move extracted toolchain to the version folder
  command: /bin/mv "{{ go_toolchains_path }}/go" "{{ go_toolchains_path }}/{{ go_toolchain_version }}"
  args:
    creates: "{{ go_toolchains_path }}/{{ go_toolchain_version }}"
  when: toolchain.stat.exists == False

- name: Symlink the latest golang toolchain
  file:
    src: "{{ go_toolchains_path }}/{{ go_toolchain_version }}"
    dest: "{{ go_toolchains_path }}/latest"
    owner: root
    group: root
    state: link

- name: Make sure the downloaded tarball is removed
  file:
    path: "/tmp/{{ go_toolchain_archive }}"
    state: absent
  when: toolchain.stat.exists == False