Use latest neovim from GitHub on Debian based distros

roles/neovim/tasks/Debian.yaml

@@ -1,26 +1,108 @@
 ---
-- name: slurp /etc/os-release
-  slurp:
-    src: /etc/os-release
-  register: os_release_slurp
-- set_fact:
-    os_release: "{{ os_release_slurp.content |
-        b64decode | trim() | replace('=', ': ') | from_yaml }}"
+# Don't neovim packages because they are all behind, even Debian unstable.
+# Instead use the latest pre-build Linux package from GitHub, then stow them
+# into /usr/local.
 
-- name: add neovim stable ppa
-  when: "'ID_LIKE' in os_release and os_release.ID_LIKE == 'ubuntu debian'"
+- name: remove apt package
   become: true
-  apt_repository:
-    repo: ppa:neovim-ppa/stable
-    codename: '{{os_release.UBUNTU_CODENAME}}'
-    update_cache: true
+  apt:
+    name: neovim
+    state: absent
 
-- name: install apt package
+- name: install python provider apt package
   become: true
   apt:
     name:
-      - neovim
       - python3-neovim
+      - stow
     state: latest
 
+- name: stat installed executable
+  stat:
+    path: /usr/local/bin/nvim
+  register: nvim
+
+- name: get installed version
+  when: nvim.stat.exists
+  command: nvim --version
+  register: nvim_version
+  changed_when: false
+
+- when: nvim.stat.exists
+  set_fact:
+    installed_version: '{{nvim_version.stdout_lines[0][5:]}}'
+
+- name: get latest version
+  uri:
+    url: https://api.github.com/repos/neovim/neovim/releases/latest
+  register: latest
+
+- set_fact:
+    install_required:
+      '{{installed_version is not defined or
+         installed_version != latest.json.tag_name}}'
+    asset_query: '[?contains(name, `nvim-linux64.tar.gz`)]'
+    package_dir: '/usr/local/lib/nvim'
+- set_fact:
+    uninstall_required: '{{nvim.stat.exists and install_required}}'
+    asset: '{{latest.json.assets | json_query(asset_query)}}'
+    package_path: '{{package_dir}}/{{latest.json.name}}'
+
+- name: uninstall old package from /usr/local
+  when: uninstall_required
+  become: true
+  command:
+    cmd: 'stow --delete --target /usr/local .'
+    chdir: '{{package_dir}}/nvim-linux64'
+
+- name: remove old package
+  become: true
+  when: uninstall_required
+  file:
+    path: '{{package_dir}}/nvim-linux64'
+    state: absent
+
+- name: create package directory
+  become: true
+  file:
+    path: '{{package_dir}}'
+    state: directory
+
+- name: download package archive
+  when: install_required
+  become: true
+  get_url:
+    url: '{{asset[0].browser_download_url}}'
+    dest: '{{package_path}}'
+
+- name: extract package archive
+  when: install_required
+  become: true
+  unarchive:
+    src: '{{package_path}}'
+    dest: '{{package_dir}}'
+
+- name: remove downloaded archive
+  when: install_required
+  become: true
+  file:
+    path: '{{package_path}}'
+    state: absent
+
+- name: move man to share/man
+  when: install_required
+  become: true
+  command:
+    argv:
+      - mv
+      - '{{package_dir}}/nvim-linux64/man'
+      - '{{package_dir}}/nvim-linux64/share'
+
+- name: install package to /usr/local
+  when: install_required
+  become: true
+  command:
+    cmd: 'stow --target /usr/local .'
+    chdir: '{{package_dir}}/nvim-linux64'
+
 - include_tasks: Unix.yaml