Ansible prepare a detached git repository and deploy

deploy.yml

# -----------------------------------------------
# ENSURE GIT REPOSITORIES

- name: Git | Ensure server repository
  sudo_user: git
  git: repo={{ upstream }}
        dest={{ repo_dir }}
        bare=yes
        update=no
  tags: git

- name: Git | Ensure repository set properly
  lineinfile: dest={{ repo_dir }}/config
              regexp="^\s*bare.?="
              line="    bare = false"
  tags: git

- name: Git | Ensure proper worktree
  lineinfile: dest={{ repo_dir }}/config
              regexp='^\s*worktree.?='
              line="    worktree = {{ work_dir }}"
  tags: git

- name: Git | Ensure work dir
  file: path={{ work_dir }} state=directory
        owner=git group=developers mode=0775
  tags: git

# -----------------------------------------------
# GIT FETCH

- name: Git | Fetching new changes
  shell: chdir={{ repo_dir }} git fetch --prune && git fetch --tags
  tags: git

# -----------------------------------------------
# GIT CHECKOUT

- name: Git | Checkout version
  command: chdir={{ repo_dir }} git checkout -f {{ version }}
  tags: git

# -----------------------------------------------
# GIT SUBMODULES

- name: Submodules | Syncing
  command: chdir={{work_dir}} git --git-dir={{repo_dir}} submodule sync
  tags:
    - update
    - git

- name: Submodules | Updating
  command: chdir={{work_dir}} git --git-dir={{repo_dir}} submodule update -f --init --recursive
  tags:
    - update
    - git

Example of vars:

upstream: ssh://git@github.com/user/app.git
repo_dir: /home/git/app.git
work_dir: /srv/http/app

Example of usage:

ansible-playbook -i hosts deploy.yml -e "version=0.5.9"