---

# 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_dir }}/format1"
    dest: "{{ checkout_dir }}"
    version: df4612ba925fbc1b3c51cbb006f51a0443bd2ce9

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

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

- name: update to specific revision
  git:
    repo: "{{ repo_dir }}/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
  args:
    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_dir }}/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
  args:
    chdir: "{{ checkout_dir }}"
  register: git_result

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

# try out combination of refspec and depth
- name: clear checkout_dir
  file:
    state: absent
    path: '{{ checkout_dir }}'

- name: update to revision by specifying the refspec with depth=1
  git:
    repo: https://github.com/ansible/ansible-examples.git
    dest: '{{ checkout_dir }}'
    version: 2cfde3668b8bb10fbe2b9d5cec486025ad8cc51b
    refspec: refs/pull/7/merge
    depth: 1

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

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

- name: try to access other commit
  shell: git checkout 0ce1096
  register: checkout_shallow
  failed_when: False
  args:
    chdir: '{{ checkout_dir }}'

- name: make sure the old commit was not fetched
  assert:
    that:
      - 'checkout_shallow.rc != 0'
      - checkout_shallow|failed
  when: git_version.stdout | version_compare("{{git_version_supporting_depth}}", '>=')

- 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
  args:
    chdir: "{{ checkout_dir }}"
  register: git_result

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

# Test that a forced shallow checkout referincing branch only always fetches latest head

- name: clear checkout_dir
  file: state=absent path={{ item }}
  with_items:
    - "{{ checkout_dir }}"
    - "{{ checkout_dir }}.copy"

- name: create original repo dir
  file: state=directory path="{{checkout_dir}}"

- name: prepare origina repo
  shell: git init; echo "1" > a; git add a; git commit -m "1"
  args:
    chdir: "{{checkout_dir}}"

- name: clone example repo locally
  git: 
    repo: "{{ checkout_dir }}"
    dest: "{{checkout_dir}}.copy"

- name: create branch in original
  command: git checkout -b test/branch chdir="{{checkout_dir}}"

- name: get commit for HEAD on new branch
  command: git rev-parse HEAD chdir="{{checkout_dir}}.copy"
  register: originaltip0

- name: shallow force checkout new branch in copy
  git: 
    repo: "{{checkout_dir}}" 
    dest: "{{checkout_dir}}.copy"
    version: test/branch 
    depth: 1 
    force: yes

- name: create new commit in original
  shell: git init; echo "2" > b; git add b; git commit -m "2"
  args:
    chdir: "{{checkout_dir}}"

- name: get commit for new HEAD on original branch
  command: git rev-parse HEAD chdir="{{checkout_dir}}"
  register: originaltip1

- name: get commit for HEAD on new branch
  command: git rev-parse HEAD chdir="{{checkout_dir}}.copy"
  register: newtip

- name: assert that copy is still pointing at previous tip
  assert:
    that:
      - "newtip.stdout == originaltip0.stdout"

- name: create a local modification in the copy
  shell: echo "3" > c
  args:
    chdir: "{{ checkout_dir }}.copy"

- name: shallow force checkout new branch in copy (again)
  git: 
    repo: "{{checkout_dir}}"
    dest: "{{checkout_dir}}.copy" 
    version: test/branch
    depth: 1 
    force: yes

- name: get commit for HEAD on new branch
  command: git rev-parse HEAD chdir="{{checkout_dir}}.copy"
  register: newtip

- name: make sure copy tip is not pointing at previous sha and that new tips match
  assert:
    that:
      - "newtip.stdout != originaltip0.stdout and newtip.stdout == originaltip1.stdout"