add desktop file for visidata and set as default

roles/visidata/files/visidata.desktop

@@ -0,0 +1,7 @@
+[Desktop Entry]
+Name=Visidata
+GenericName=Spreadsheet Editor
+Exec=vd %U
+Terminal=true
+Type=Application
+MimeType=text/csv;text/tab-separated-values;

roles/visidata/tasks/main.yml

@@ -12,3 +12,22 @@
       - python-xlrd
       - python-pandas
     state: present
+
+- name: Push visidata desktop file
+  copy:
+    src: visidata.desktop
+    dest: /usr/local/share/applications/visidata.desktop
+
+- name: Verify mimeapps.list exists
+  file:
+    path: /etc/xdg/mimeapps.list
+    state: touch
+
+- name: Set visidata as default application for relevant mimetypes
+  lineinfile:
+    dest: /etc/xdg/mimeapps.list
+    regexp: "{{ item.regexp }}"
+    line: "{{ item.line }}"
+  with_items:
+    - { regexp: '^text/csv=', line: 'text/csv=visidata.desktop' }
+    - { regexp: '^text/tab-separated-values=', line: 'text/tab-separated-values=browser.desktop' }