feat: add become key to topic config

Topics can now declare the need for sudo privileges in order to deploy.
Some link destinations in particular require sudo.

README.md

@@ -153,9 +153,11 @@ Possible fields in `topic.config.yml`:
 
 - `path` (required)
 - `links`
+- `become`
 - `brew_formulas`
 - `brew_casks`
 - `brew_taps`
+- `pacman_packages`
 - `osx_defaults`
 - `npm_packages`
 - `pip_packages`

_provision/roles/eliasnorrby.dotfiles/tasks/link-topic.yml

@@ -35,6 +35,10 @@
       vars:
         link_src: "{{ (item.absolute is defined and item.absolute) | ternary('',topic_data_path + '/') + (item.src | default(item)) }}"
         link_path: "{{ (item.dest | default(xdg_config_home + '/' + topic_config_dirname + '/')) | regex_replace('/$', '/' + (item.rename | default(item.src | default(item)))) }}"
+        should_become: "{{ topic.config.become is defined and topic.config.become }}"
+      become: "{{ should_become }}"
+      become_flags: "--preserve-env {{ is_interactive | ternary('', '--non-interactive') }}"
+      ignore_errors: "{{ should_become }}"
       when:
         - topic.config.links is defined
         - item.condition is undefined or item.condition

_provision/vars.yml

@@ -9,6 +9,7 @@ dotfiles_data: "{{ xdg_data_home }}/dotfiles"
 
 is_macos: "{{ ansible_distribution == 'MacOSX' }}"
 is_arch: "{{ ansible_distribution == 'Archlinux' }}"
+is_interactive: true
 
 brew_formulas: []
 brew_taps: []