The following ansible code relies on having a zola environment setup in a repository on Github already.

.gitignore

to exclude themes folder will be cloned seperately:

**/themes/

---

- hosts: web
  tasks:
    - name: get lates zola url
      shell: curl -L -s https://api.github.com/repos/getzola/zola/releases/latest | grep -o -E "https://.*zola.*linux.*.tar.gz"
      register: zola_url
    - debug:
        msg: "{{ zola_url.stdout }}"
    - name: download and unarchive lastest zola release
      unarchive:
        src: "{{ zola_url.stdout }}"
        dest: ~/bin
        remote_src: yes
    - name: git clone a existing private zola repository with ignored themes folder into ~/git/
      git:
        repo: git@github.com:<githubid>/zola.git
        dest: ~/git/zola
    - name: themes folder will be filled from source by git clone a zola theme
      git:
        repo: https://github.com/RatanShreshtha/DeepThought.git
        dest: ~/git/zola/themes/DeepThought
- hosts: web
  become: yes
  tasks:
    - name: build zola 
      shell: /home/$SUDO_USER/bin/zola --root /home/$SUDO_USER/git/zola build --output-dir /var/www/html/$SUDO_USER
    - name: restart nginx
      service:
        name: nginx
        state: restarted