- name: Install pip
  include_role:
    name: ensure-pip

# NOTE: gettext command is provided by gettext-base package,
# so we need to check a command provided by gettext package.
- name: Check for gettext installed
  command: bash -c "type msgmerge"
  failed_when: false
  register: gettext_exists

# TODO(mordred) Make this a list of known binary depends that sphinx needs
- name: Install gettext package
  package:
    name: gettext
    state: present
  become: yes
  when: gettext_exists.rc != 0

- name: Find Constraints File
  include_role:
    name: find-constraints

# We're not using with_first_found because the files are remote, not local.
# We want to use doc/requirements.txt or releasenotes/requirements.txt
# if it exists else we want to fallback to test-requirements.txt.
- name: Get requirements files
  shell:
    executable: /bin/bash
    chdir: "{{ zuul_work_dir }}"
    cmd: |
      for f in doc/requirements.txt releasenotes/requirements.txt test-requirements.txt ; do
          if [ -f $f ] ; then
              echo $f
              break
          fi
      done
  register: requirements_file

# Ensure we have the latest pip and setuptools in the sphinx venv, not the system
# one.  Older pips don't do things like parse version constraints or
# rust build flags correctly, setuptools<39.2.0 do not support reading version
# from file and some jobs like the translate jobs
# use this environment to install from master requirements.txt that
# needs this sort of thing to work.
- name: Setup virtual environment
  pip:
    name:
      - pip
      - setuptools
    virtualenv: '{{ zuul_work_virtualenv }}'
    virtualenv_command: '{{ ensure_pip_virtualenv_command }}'
    extra_args: '--upgrade'

- name: Install base doc building packages
  pip:
    name: "{{ doc_building_packages | union(doc_building_extra_packages) }}"
    chdir: "{{ zuul_work_dir }}"
    virtualenv: "{{ zuul_work_virtualenv }}"
    virtualenv_command: "{{ ensure_pip_virtualenv_command }}"
    extra_args: "{{ upper_constraints | default(omit) }}"

- name: Install found doc requirements
  pip:
    requirements: "{{ requirements_file.stdout }}"
    chdir: "{{ zuul_work_dir }}"
    virtualenv: "{{ zuul_work_virtualenv }}"
    virtualenv_command: "{{ ensure_pip_virtualenv_command }}"
    extra_args: "{{ upper_constraints | default(omit) }}"
  when: requirements_file.stdout_lines