# test code for the git module
# (c) 2014, James Tanner <tanner.jc@gmail.com>

# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.

- name: set role facts
  set_fact:
    checkout_dir: '{{ output_dir }}/git'
    repo_format1: 'https://github.com/jimi-c/test_role'
    repo_format2: 'git@github.com:jimi-c/test_role.git'
    repo_format3: 'ssh://git@github.com/jimi-c/test_role.git'
    repo_submodules: 'https://github.com/abadger/test_submodules.git'
    repo_submodules_newer: 'https://github.com/abadger/test_submodules_newer.git'
    repo_submodule1: 'https://github.com/abadger/test_submodules_subm1.git'
    repo_submodule1_newer: 'https://github.com/abadger/test_submodules_subm1_newer.git'
    repo_submodule2: 'https://github.com/abadger/test_submodules_subm2.git'
    known_host_files:
      - "{{ lookup('env','HOME') }}/.ssh/known_hosts"
      - '/etc/ssh/ssh_known_hosts'

- name: clean out the output_dir
  shell: rm -rf {{ output_dir }}/*

- name: verify that git is installed so this test can continue
  shell: which git

#
# Test repo=https://github.com/...
#

- name: initial checkout
  git: repo={{ repo_format1 }} dest={{ checkout_dir }}
  register: git_result

- name: verify information about the initial clone
  assert:
    that:
      - "'before' in git_result"
      - "'after' in git_result"
      - "not git_result.before"
      - "git_result.changed"

- name: repeated checkout
  git: repo={{ repo_format1 }} dest={{ checkout_dir }}
  register: git_result2

- name: check for tags
  stat: path={{ checkout_dir }}/.git/refs/tags
  register: tags

- name: check for HEAD
  stat: path={{ checkout_dir }}/.git/HEAD
  register: head

- name: check for remotes
  stat: path={{ checkout_dir }}/.git/branches
  register: branches

- name: assert presence of tags/trunk/branches
  assert:
    that:
      - "tags.stat.isdir"
      - "head.stat.isreg"
      - "branches.stat.isdir"

- name: verify on a reclone things are marked unchanged
  assert:
    that:
      - "not git_result2.changed"

#
# Test repo=git@github.com:/...
# Requires variable: github_ssh_private_key
#

- name: clear checkout_dir
  file: state=absent path={{ checkout_dir }}

- name: remove known_host files
  file: state=absent path={{ item }}
  with_items: known_host_files

- name: checkout ssh://git@github.com repo without accept_hostkey (expected fail)
  git: repo={{ repo_format2 }} dest={{ checkout_dir }}
  register: git_result
  ignore_errors: true

- assert:
    that:
      - 'git_result.failed'
      - 'git_result.msg == "github.com has an unknown hostkey. Set accept_hostkey to True or manually add the hostkey prior to running the git module"'

- name: checkout git@github.com repo with accept_hostkey (expected pass)
  git:
    repo: '{{ repo_format2 }}'
    dest: '{{ checkout_dir }}'
    accept_hostkey: true
    key_file: '{{ github_ssh_private_key }}'
  register: git_result
  when: github_ssh_private_key is defined

- assert:
    that:
      - 'git_result.changed'
  when: not git_result|skipped

#
# Test repo=ssh://git@github.com/...
# Requires variable: github_ssh_private_key
#

- name: clear checkout_dir
  file: state=absent path={{ checkout_dir }}

- name: checkout ssh://git@github.com repo with accept_hostkey (expected pass)
  git:
    repo: '{{ repo_format3 }}'
    dest: '{{ checkout_dir }}'
    version: 'master'
    accept_hostkey: false # should already have been accepted
    key_file: '{{ github_ssh_private_key }}'
  register: git_result
  when: github_ssh_private_key is defined

- assert:
    that:
      - 'git_result.changed'
  when: not git_result|skipped

# Test a non-updating repo query with no destination specified

- name: get info on a repo without updating and with no destination specified
  git:
    repo: '{{ repo_format1 }}'
    update: no
    clone: no
    accept_hostkey: yes
  register: git_result

- assert:
    that:
      - 'git_result.changed'

# Test that a specific revision can be checked out

- name: clear checkout_dir
  file: state=absent path={{ checkout_dir }}

- name: clone to specific revision
  git:
    repo: "{{ repo_format1 }}"
    dest: "{{ checkout_dir }}"
    version: df4612ba925fbc1b3c51cbb006f51a0443bd2ce9

- name: check HEAD after clone to revision
  command: git rev-parse HEAD chdir="{{ checkout_dir }}"
  register: git_result

- assert:
    that:
      - 'git_result.stdout == "df4612ba925fbc1b3c51cbb006f51a0443bd2ce9"'

- name: update to specific revision
  git:
    repo: "{{ repo_format1 }}"
    dest: "{{ checkout_dir }}"
    version: 4e739a34719654db7b04896966e2354e1256ea5d
  register: git_result

- assert:
    that:
      - 'git_result.changed'

- name: check HEAD after update to revision
  command: git rev-parse HEAD chdir="{{ checkout_dir }}"
  register: git_result

- assert:
    that:
      - 'git_result.stdout == "4e739a34719654db7b04896966e2354e1256ea5d"'

# Test a revision not available under refs/heads/ or refs/tags/

- name: attempt to get unavailable revision
  git:
    repo: "{{ repo_format1 }}"
    dest: "{{ checkout_dir }}"
    version: 2cfde3668b8bb10fbe2b9d5cec486025ad8cc51b
  ignore_errors: true
  register: git_result

- assert:
    that:
      - 'git_result.failed'

# Same as the previous test, but this time we specify which ref
# contains the SHA1
- name: update to revision by specifying the refspec
  git:
    repo: https://github.com/ansible/ansible-examples.git
    dest: '{{ checkout_dir }}'
    version: 2cfde3668b8bb10fbe2b9d5cec486025ad8cc51b
    refspec: refs/pull/7/merge

- name: check HEAD after update with refspec
  command: git rev-parse HEAD chdir="{{ checkout_dir }}"
  register: git_result

- assert:
    that:
      - 'git_result.stdout == "2cfde3668b8bb10fbe2b9d5cec486025ad8cc51b"'

- name: clear checkout_dir
  file: state=absent path={{ checkout_dir }}

- name: clone to revision by specifying the refspec
  git:
    repo: https://github.com/ansible/ansible-examples.git
    dest: '{{ checkout_dir }}'
    version: 2cfde3668b8bb10fbe2b9d5cec486025ad8cc51b
    refspec: refs/pull/7/merge

- name: check HEAD after update with refspec
  command: git rev-parse HEAD chdir="{{ checkout_dir }}"
  register: git_result

- assert:
    that:
      - 'git_result.stdout == "2cfde3668b8bb10fbe2b9d5cec486025ad8cc51b"'

#
# Submodule tests
#

# Repository A with submodules defined  (repo_submodules)
#   .gitmodules file points to Repository I
# Repository B forked from A that has newer commits (repo_submodules_newer)
#   .gitmodules file points to Repository II instead of I
#   .gitmodules file also points to Repository III
# Repository I for submodule1 (repo_submodule1)
#   Has 1 file checked in
# Repository II forked from I that has newer commits (repo_submodule1_newer)
#   Has 2 files checked in
# Repository III for a second submodule (repo_submodule2)
#   Has 1 file checked in

- name: clear checkout_dir
  file: state=absent path={{ checkout_dir }}

- name: Test that clone without recursive does not retrieve submodules
  git:
    repo: '{{ repo_submodules }}'
    dest: '{{ checkout_dir }}'
    recursive: no

- command: 'ls -1a {{ checkout_dir }}/submodule1'
  register: submodule1

- assert:
    that: '{{ submodule1.stdout_lines|length }} == 2'

- name: clear checkout_dir
  file: state=absent path={{ checkout_dir }}


- name: Test that clone with recursive retrieves submodules
  git:
    repo: '{{ repo_submodules }}'
    dest: '{{ checkout_dir }}'
    recursive: yes

- command: 'ls -1a {{ checkout_dir }}/submodule1'
  register: submodule1

- assert:
    that: '{{ submodule1.stdout_lines|length }} == 4'

- name: Copy the checkout so we can run several different tests on it
  command: 'cp -pr {{ checkout_dir }} {{ checkout_dir }}.bak'



- name: Test that update without recursive does not change submodules
  command: 'git config --replace-all remote.origin.url {{ repo_submodules_newer }}'
  args:
    chdir: '{{ checkout_dir }}'

- git:
    repo: '{{ repo_submodules_newer }}'
    dest: '{{ checkout_dir }}'
    recursive: no
    update: yes
    track_submodules: yes

- command: 'ls -1a {{ checkout_dir }}/submodule1'
  register: submodule1

- stat:
    path: '{{ checkout_dir }}/submodule2'
  register: submodule2

- command: 'ls -1a {{ checkout_dir }}/submodule2'
  register: submodule2

- assert:
    that: '{{ submodule1.stdout_lines|length }} == 4'
- assert:
    that: '{{ submodule2.stdout_lines|length }} == 2'



- name: Restore checkout to prior state
  file: state=absent path={{ checkout_dir }}
- command: 'cp -pr {{ checkout_dir }}.bak {{ checkout_dir }}'

- name: Test that update with recursive updated existing submodules
  command: 'git config --replace-all remote.origin.url {{ repo_submodules_newer }}'
  args:
    chdir: '{{ checkout_dir }}'

- git:
    repo: '{{ repo_submodules_newer }}'
    dest: '{{ checkout_dir }}'
    update: yes
    recursive: yes
    track_submodules: yes

- command: 'ls -1a {{ checkout_dir }}/submodule1'
  register: submodule1

- assert:
    that: '{{ submodule1.stdout_lines|length }} == 5'


- name: Test that update with recursive found new submodules
  command: 'ls -1a {{ checkout_dir }}/submodule2'
  register: submodule2

- assert:
    that: '{{ submodule2.stdout_lines|length }} == 4'