# TODO(mordred) rework tox-siblings so it can be used here - probably by
# making it take a parameter as to what path to python/pip to use.

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

- name: Check to see if the project is a python project
  find:
    paths: "{{ zuul_work_dir }}"
    patterns:
      - setup.cfg
      - setup.py
  register: found_python_files
  when: install_package

# Installing the directory with the constraints flag can hit into problems
# with conflicting values between constraints and current project. So look
# for a requirements.txt file so we can install it directly.
- name: Check to see if the project has a requirements.txt file
  stat:
    get_checksum: false
    get_mime: false
    get_md5: false
    path: "{{ zuul_work_dir }}/requirements.txt"
  register: requirements_file

- name: Install requirements if they exist
  pip:
    chdir: "{{ zuul_work_dir }}"
    virtualenv: "{{ zuul_work_virtualenv }}"
    requirements: requirements.txt
    extra_args: "{{ upper_constraints|default(omit) }}"
  register: requirements_install
  when:
    - install_package
    - found_python_files.matched
    - requirements_file.stat.exists
  failed_when:
    - error_on_failure is defined
    - error_on_failure
    - requirements_install is failed

# Build an sdist. This is needed for pbr projects that may expect
# the ChangeLog to have been generated.
- name: Make sdist to generate ChangeLog
  command:
    cmd: "{{ zuul_work_virtualenv }}/bin/python setup.py sdist"
    chdir: "{{ zuul_work_dir }}"
  when:
    - install_package
    - found_python_files.matched
  register: sdist_results
  failed_when:
    - error_on_failure is defined
    - error_on_failure
    - sdist_results is failed

# Try installing current repo in case it needs to be available for
# example for version number calculation. Ignore any failures here.
- name: Install the project if it is a Python project
  pip:
    chdir: "{{ zuul_work_dir }}"
    virtualenv: "{{ zuul_work_virtualenv }}"
    name: .
    extra_args: --no-deps
  when:
    - install_package
    - found_python_files.matched
  register: install_package_results
  failed_when:
    - error_on_failure is defined
    - error_on_failure
    - install_package_results is failed