#!jinja|yaml
# vi: set ft=yaml.jinja :

{% set patches_dir = "/var/cache/salt/patches-" ~ grains.get('saltversion', 'unknown') %}
{% set patches_source = "salt_patches/files/" ~ grains.get('saltversion', 'unknown') %}
{% set patches_done_dir = '/etc/salt/patched' %}

salt_install_patch:
  pkg:
    - installed
    - name: patch

salt_download_patches:
  file.recurse:
    - name: {{ patches_dir }}
    - source: salt://{{ patches_source }}

salt_patches_done_dir:
  file.directory:
    - name: {{ patches_done_dir }}
    - user: root
    - group: root
    - mode: 755

{%- for full_file in salt['cp.list_master'](saltenv=salt.environment, prefix=patches_source) -%}
  {%- set file = full_file|replace(patches_source ~ '/', '') -%}
  {%- set done_file = grains.get('saltversion', 'unknown') ~ '_' ~ file|replace('/', '_') %}
{{ full_file }}:
  cmd.run:
    - cwd: '/usr/lib/python2.7/dist-packages/salt'
    - name: patch -p2 < {{ patches_dir }}/{{ file }} && touch {{ patches_done_dir }}/{{ done_file }} || exit 1
    - unless: test -f {{ patches_done_dir }}/{{ done_file }}
    - require:
      - file: salt_patches_done_dir
      - pkg: salt_install_patch
    - watch:
      - file: salt_download_patches
{% endfor %}