Skip some tasks when not necessary to run them

roles/matrix-synapse/tasks/ext/appservice-discord/setup.yml

@@ -39,6 +39,7 @@
   stat:
     path: "{{ matrix_appservice_discord_base_path }}/discord-registration.yaml"
   register: appservice_discord_registration_file
+  when: "matrix_appservice_discord_enabled"
 
 - name: Generate matrix-appservice-discord discord-registration.yaml if it doesn't exist
   shell: >-
@@ -57,11 +58,13 @@
 
 - set_fact:
     matrix_synapse_app_service_config_file_appservice_discord: '{{ matrix_appservice_discord_base_path }}/discord-registration.yml'
+  when: "matrix_appservice_discord_enabled"
 
 - name: Check if a matrix-appservice-discord invite_link file exists
   stat:
     path: "{{ matrix_appservice_discord_base_path }}/invite_link"
   register: appservice_discord_link_generated
+  when: "matrix_appservice_discord_enabled"
 
 - name: Generate your discord invite link
   shell: >-

roles/matrix-synapse/tasks/ext/appservice-irc/setup.yml

@@ -26,6 +26,7 @@
   stat:
     path: "{{ matrix_appservice_irc_base_path }}/passkey.pem"
   register: irc_passkey_file
+  when: "matrix_appservice_irc_enabled"
 
 - name: Generate matrix-appservice-irc passkey if it doesn't exist
   shell: /usr/bin/openssl genpkey -out {{ matrix_appservice_irc_base_path }}/passkey.pem -outform PEM -algorithm RSA -pkeyopt rsa_keygen_bits:2048
@@ -48,6 +49,7 @@
   stat:
     path: "{{ matrix_appservice_irc_base_path }}/registration.yaml"
   register: appservice_irc_registration_file
+  when: "matrix_appservice_irc_enabled"
 
 - name: Generate matrix-appservice-irc registration.yaml if it doesn't exist
   shell: >-
@@ -64,6 +66,7 @@
 
 - set_fact:
     matrix_synapse_app_service_config_file_appservice_irc: '/app-registration/appservice-irc.yml'
+  when: "matrix_appservice_irc_enabled"
 
 - set_fact:
     matrix_synapse_container_additional_volumes: >

roles/matrix-synapse/tasks/ext/mautrix-telegram/setup.yml

@@ -18,6 +18,7 @@
   stat:
     path: "{{ matrix_mautrix_telegram_base_path }}/config.yaml"
   register: mautrix_telegram_config_file_stat
+  when: "matrix_mautrix_telegram_enabled"
 
 - name: Ensure Matrix Mautrix telegram config installed
   template:
@@ -56,6 +57,7 @@
   stat:
     path: "{{ matrix_mautrix_telegram_base_path }}/registration.yaml"
   register: mautrix_telegram_registration_file_stat
+  when: "matrix_mautrix_telegram_enabled"
 
 - name: Generate matrix-mautrix-telegram registration.yaml if it doesn't exist
   shell:
@@ -72,6 +74,7 @@
 
 - set_fact:
     matrix_synapse_app_service_config_file_mautrix_telegram: '/app-registration/mautrix-telegram.yml'
+  when: "matrix_mautrix_telegram_enabled"
 
 - set_fact:
     matrix_synapse_container_additional_volumes: >

roles/matrix-synapse/tasks/ext/mautrix-whatsapp/setup.yml

@@ -18,6 +18,7 @@
   stat:
     path: "{{ matrix_mautrix_whatsapp_base_path }}/config.yaml"
   register: mautrix_whatsapp_config_file_stat
+  when: "matrix_mautrix_whatsapp_enabled"
 
 - name: Ensure Matrix Mautrix whatsapp config installed
   template:
@@ -45,6 +46,7 @@
   stat:
     path: "{{ matrix_mautrix_whatsapp_base_path }}/registration.yaml"
   register: mautrix_whatsapp_registration_file_stat
+  when: "matrix_mautrix_whatsapp_enabled"
 
 - name: Generate matrix-mautrix-whatsapp registration.yaml if it doesn't exist
   shell:
@@ -61,6 +63,7 @@
 
 - set_fact:
     matrix_synapse_app_service_config_file_mautrix_whatsapp: '/app-registration/mautrix-whatsapp.yml'
+  when: "matrix_mautrix_whatsapp_enabled"
 
 - set_fact:
     matrix_synapse_container_additional_volumes: >