ansible wget then exec scripts => get_url equivalent

This worked for me:

- name: Download zsh installer
  get_url: 
    url: https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh dest=/tmp/zsh-installer.sh
    
- name: Execute the zsh-installer.sh
  shell: /tmp/zsh-installer.sh

- name: Remove the zsh-installer.sh
  file: 
    path: /tmp/zsh-installer.sh 
    state: absent