---
- name: upload {{repo}}.jar
  copy: src={{target_dir}}/{{repo}}.jar dest={{remote_dir}}/{{repo}}.jar.new

- name: remove old {{repo}}.jar.bak
  shell: cd {{remote_dir}} && rm -f {{repo}}.jar.bak

- name: check whether {{repo}}.jar exists
  shell: cd {{remote_dir}} && ls {{repo}}.jar || true
  register: jar_exists

- name: create current {{repo}}.jar.bak
  shell: cd {{remote_dir}} && mv {{repo}}.jar {{repo}}.jar.bak
  when: jar_exists.stdout != ''

- name: create new {{repo}}.jar
  shell: cd {{remote_dir}} && mv {{repo}}.jar.new {{repo}}.jar