add some rpm packages and more idempotency

tasks/typora.yml

@@ -1,4 +1,8 @@
----
+- name: Stat Typora installation directory
+  ansible.builtin.stat:
+    path: /opt/typora
+  register: typora_installed_result
+
 - name: Create Typora install directory
   ansible.builtin.file:
     path: /opt/typora
@@ -6,6 +10,7 @@
     owner: root
     group: root
     mode: "0755"
+  when: not typora_installed_result.stat.exists
 
 - name: Download Typora Linux binary archive
   ansible.builtin.get_url:
@@ -13,6 +18,7 @@
     dest: "{{ typora_archive }}"
     mode: "0644"
     timeout: 300
+  when: not typora_installed_result.stat.exists
 
 - name: Extract Typora
   ansible.builtin.unarchive:
@@ -22,6 +28,7 @@
     owner: root
     group: root
     mode: "0755"
+  when: not typora_installed_result.stat.exists
 
 - name: Ensure Typora files are readable
   ansible.builtin.file:
@@ -31,6 +38,13 @@
     group: root
     mode: "0755"
     recurse: true
+  when: not typora_installed_result.stat.exists
+
+- name: Ensure system desktop application directory exists
+  ansible.builtin.file:
+    path: /usr/local/share/applications
+    state: directory
+    mode: "0755"
 
 - name: Create Typora launcher wrapper
   ansible.builtin.copy:
@@ -42,12 +56,7 @@
 
       cd /opt/typora/bin/Typora-linux-x64
       exec /opt/typora/bin/Typora-linux-x64/Typora "$@"
-
-- name: Ensure system desktop application directory exists
-  ansible.builtin.file:
-    path: /usr/local/share/applications
-    state: directory
-    mode: "0755"
+  when: not typora_installed_result.stat.exists
 
 - name: Create Typora desktop launcher
   ansible.builtin.copy:
@@ -62,3 +71,4 @@
       Terminal=false
       Categories=Office;WordProcessor;TextEditor;
       MimeType=text/markdown;text/x-markdown;
+  when: not typora_installed_result.stat.exists