first commit

tasks/main.yml

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+---
+# Make sure zsh is installed and set to the user's default shell.
+- name: "OMZ | include zsh.yml tasks."
+  include_tasks: "zsh.yml"
+  tags:
+    - "zsh"
+    - "configure"
+    - "configurezsh"
+
+# Install oh-my-zsh.
+- name: "OMZ | include oh-my-zsh.yml tasks."
+  include_tasks: oh-my-zsh-install.yml
+  tags:
+    - "oh-my-zsh"
+    - "install"
+    - "installohmyzsh"
+
+# Configure oh-my-zsh with a custom .zshrc template if omz_zshrc_create
+# is set to 'true'.
+- name: "OMZ | include oh-my-zsh-zshrc.yml tasks."
+  include_tasks: oh-my-zsh-zshrc.yml
+  tags:
+    - "oh-my-zsh"
+    - "configure"
+    - "configureohmyzsh"
+
+# Finally, add exports etc to .zshrc /last/ (i.e. so they get added to whaterver
+# .zshrc exists.
+- name: "OMZ | include zsh-zshrc.yml tasks."
+  include_tasks: zsh-zshrc.yml
+  tags:
+    - "zsh"
+    - "configure"
+    - "configurezsh"

tasks/oh-my-zsh-install.yml

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+---
+- name: "OMZ | establish install location."
+  set_fact:
+    omz_install_path: "/{{ omz_user_home_dir }}/{{ omz_user.name }}/{{ omz_install_directory }}"
+
+- name: "OMZ | clone Oh My ZSH repo for user."
+  git:
+    repo: "{{ omz_git_repository }}"
+    dest: "{{ omz_install_path }}"
+    update: "true"
+    accept_hostkey: "true"
+    version: "master"
+  register: "omz_clone"
+
+- name: "OMZ | set ownership on newly cloned repository."
+  file:
+    path: "{{ omz_install_path }}"
+    owner: "{{ omz_user.name }}"
+    group: "{{ omz_user.group }}"
+    recurse: "true"
+  when: "omz_clone is changed"

tasks/oh-my-zsh-zshrc.yml

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+---
+- name: "OMZ | derive user .zshrc path."
+  set_fact:
+    omz_user_zshrc_path: "/{{ omz_user_home_dir }}/{{ omz_user.name }}/.zshrc"
+
+- name: "OMZ | template .zshrc into place if required."
+  template:
+    src: "{{ omz_zshrc_template }}"
+    dest: "{{ omz_user_zshrc_path }}"
+    owner: "{{ omz_user.name }}"
+    group: "{{ omz_user.group }}"
+    backup: "{{ omz_zshrc_backup }}"
+    force: "{{ omz_zshrc_force }}"
+  when: "omz_zshrc_create"

tasks/zsh-zshrc.yml

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+---
+# Note that we assume this file exists! lineinfile will fail if the file is
+# not present.
+- name: "OMZ | export vars to .zshrc if required."
+  blockinfile:
+    dest: "{{ omz_user_zshrc_path }}"
+    block: "{{ omz_user.settings }}"
+    backup: "{{ omz_zshrc_backup }}"
+  when:
+    - "omz_user.settings is defined"
+    # Don't flag this line for checking if the value is empty--checking for an
+    # empty value makes perfect sense.
+    - "omz_user.settings != ''"  # noqa 602
+    - "not omz_zshrc_create"

tasks/zsh.yml

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+---
+- name: "OMZ | establish home directory."
+  set_fact:
+    omz_user_home_dir: "{{ (ansible_system == 'Darwin') | ternary('Users', 'home') }}"
+
+- name: "OMZ | ensure zsh is installed."
+  block:
+    - name: "OMZ | install zsh for Linux."
+      package:
+        name: "zsh"
+        state: "present"
+      when:
+        - "ansible_system == 'Linux'"
+        - "omz_install_zsh"
+
+    - name: "OMZ | install zsh for macOS."
+      homebrew:
+        name: "zsh"
+        state: "present"
+      when:
+        - "ansible_system == 'Darwin'"
+        - "omz_install_zsh"
+
+- name: "OMZ | get zsh installed path."
+  shell: "command -v zsh"
+  register: omz_zsh_installed_path
+  changed_when: "false"
+
+- name: "OMZ | get user shell to zsh."
+  user:
+    name: "{{ omz_user.name }}"
+    shell: "{{ omz_zsh_installed_path.stdout }}"