add grub theme role

defaults/main.yml

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+---
+# defaults file for grub_themes
+theme: Vimix

handlers/main.yml

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+---
+# handlers file for grub_themes

meta/main.yml

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+galaxy_info:
+  author: your name
+  description: your description
+  company: your company (optional)
+
+  # If the issue tracker for your role is not on github, uncomment the
+  # next line and provide a value
+  # issue_tracker_url: http://example.com/issue/tracker
+
+  # Some suggested licenses:
+  # - BSD (default)
+  # - MIT
+  # - GPLv2
+  # - GPLv3
+  # - Apache
+  # - CC-BY
+  license: license (GPLv2, CC-BY, etc)
+
+  min_ansible_version: 2.4
+
+  # If this a Container Enabled role, provide the minimum Ansible Container version.
+  # min_ansible_container_version:
+
+  # Optionally specify the branch Galaxy will use when accessing the GitHub
+  # repo for this role. During role install, if no tags are available,
+  # Galaxy will use this branch. During import Galaxy will access files on
+  # this branch. If Travis integration is configured, only notifications for this
+  # branch will be accepted. Otherwise, in all cases, the repo's default branch
+  # (usually master) will be used.
+  #github_branch:
+
+  #
+  # Provide a list of supported platforms, and for each platform a list of versions.
+  # If you don't wish to enumerate all versions for a particular platform, use 'all'.
+  # To view available platforms and versions (or releases), visit:
+  # https://galaxy.ansible.com/api/v1/platforms/
+  #
+  # platforms:
+  # - name: Fedora
+  #   versions:
+  #   - all
+  #   - 25
+  # - name: SomePlatform
+  #   versions:
+  #   - all
+  #   - 1.0
+  #   - 7
+  #   - 99.99
+
+  galaxy_tags: []
+    # List tags for your role here, one per line. A tag is a keyword that describes
+    # and categorizes the role. Users find roles by searching for tags. Be sure to
+    # remove the '[]' above, if you add tags to this list.
+    #
+    # NOTE: A tag is limited to a single word comprised of alphanumeric characters.
+    #       Maximum 20 tags per role.
+
+dependencies: []
+  # List your role dependencies here, one per line. Be sure to remove the '[]' above,
+  # if you add dependencies to this list.

tasks/main.yml

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+---
+# tasks file for grub_themes
+
+- name: check if theme is install
+  stat:
+      path: /boot/grub/themes/{{theme}}/
+  register: themecheck
+
+- name: download grub2themes repo
+  git:
+    dest: /tmp/grub2-themes # required. The path of where the repository should be checked out. This parameter is required, unless C(clone) is set to C(no).
+    repo: https://github.com/vinceliuice/grub2-themes.git # required. git, SSH, or HTTP(S) protocol address of the git repository.
+  when: themecheck.stat.exists == False 
+
+- name: install theme
+  shell: ./Install # required. Path to the local script file followed by optional arguments.,There is no parameter actually named 'free form', see the examples!
+  args:
+    chdir: /tmp/grub2-themes/grub-theme-{{ theme |lower}}/
+  become: yes
+  when: themecheck.stat.exists == False 

vars/main.yml

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+---
+# vars file for grub_themes