diff --git a/roles/acme_back/tasks/main.yml b/roles/acme_back/tasks/main.yml
index 9ee8c9b..fa614f2 100644
--- a/roles/acme_back/tasks/main.yml
+++ b/roles/acme_back/tasks/main.yml
@@ -15,7 +15,8 @@
     name: aur.inc
     allow_duplicates: true
   vars:
-    pkg_names: '["dehydrated-git"]'
+    packages:
+      - dehydrated-git
     aur_user: git
 
 ### UPSTREAM END ⇒ ###
diff --git a/roles/aur.inc/tasks/install.yml b/roles/aur.inc/tasks/install.yml
index 946b075..bfb0999 100644
--- a/roles/aur.inc/tasks/install.yml
+++ b/roles/aur.inc/tasks/install.yml
@@ -3,7 +3,7 @@
 # Copyright © 2018 Y. Gablin, under the GPL-3.0-or-later license.
 # Full licensing information in the LICENSE file, or gnu.org/licences/gpl-3.0.txt if the file is missing.
 
-# mandatory parameters: pkg_name and aur_user
+# mandatory parameters: pkg_name, pre_cmd, aur_user
 
 - name: AUR → {{pkg_name}} → read current version
   shell: |
@@ -40,6 +40,20 @@
     - name: AUR → {{pkg_name}} → work with the recipe
       block:
 
+        - name: AUR → {{pkg_name}} → run custom pre-processing commands
+          shell: "{{pre_cmd}}"
+          args:
+            chdir: /var/tmp/{{aurjson.json.results[0].PackageBase}}
+            warn: false
+          when: pre_cmd
+          register: debugCustom
+
+        - name: AUR → {{pkg_name}} → see custom pre-processing commands’ result
+          debug:
+            var: debugCustom
+          when: pre_cmd
+          changed_when: false
+
         - name: AUR → {{pkg_name}} → read the real version
           command: >
             bash -c
diff --git a/roles/aur.inc/tasks/main.yml b/roles/aur.inc/tasks/main.yml
index 9c54989..af78355 100644
--- a/roles/aur.inc/tasks/main.yml
+++ b/roles/aur.inc/tasks/main.yml
@@ -18,8 +18,9 @@
     - name: AUR → installation
       include_tasks: install.yml
       vars:
-        pkg_name: "{{item}}"
-      with_items: "{{pkg_names}}"
+        pkg_name: "{{(item is mapping) | ternary(item.pkg, item)}}"
+        pre_cmd: "{{(item is mapping) | ternary(item.pre, '')}}"
+      with_items: "{{packages}}"
   always:
     - name: AUR → remove base-devel and dependencies
       shell: |
diff --git a/roles/dmz_ihmldap/tasks/main.yml b/roles/dmz_ihmldap/tasks/main.yml
index 24abb3a..a56c73e 100644
--- a/roles/dmz_ihmldap/tasks/main.yml
+++ b/roles/dmz_ihmldap/tasks/main.yml
@@ -15,10 +15,8 @@
     name: aur.inc
     allow_duplicates: true
   vars:
-    pkg_names: |
-      [
-        "ldap-account-manager"
-      ]
+    packages:
+      - ldap-account-manager
     aur_user: git
 
 ### UPSTREAM END ⇒ ###
diff --git a/roles/dmz_movim_front/tasks/main.yml b/roles/dmz_movim_front/tasks/main.yml
index f084bb2..a457883 100644
--- a/roles/dmz_movim_front/tasks/main.yml
+++ b/roles/dmz_movim_front/tasks/main.yml
@@ -15,11 +15,9 @@
     name: aur.inc
     allow_duplicates: true
   vars:
-    pkg_names: |
-      [
-        "php-zmq",
-        "movim"
-      ]
+    packages:
+      - php-zmq
+      - movim
     aur_user: git
   register: software
 
diff --git a/roles/dmz_prosody_front/tasks/main.yml b/roles/dmz_prosody_front/tasks/main.yml
index 1d90036..5732734 100644
--- a/roles/dmz_prosody_front/tasks/main.yml
+++ b/roles/dmz_prosody_front/tasks/main.yml
@@ -26,22 +26,20 @@
     name: aur.inc
     allow_duplicates: true
   vars:
-    pkg_names: |
-      [
-        "lua52-event",
-        "lua52-lpty",
-        "prosody-mod-auth-imap-hg",
-        "prosody-mod-auto-accept-subscriptions-hg",
-        "prosody-mod-filter-chatstates-hg",
-        "prosody-mod-http-upload-external-hg",
-        "prosody-mod-offline-email-hg",
-        "prosody-mod-smacks",
-        "prosody-mod-throttle_presence"
-      ]
+    packages:
+      - lua52-event
+      - lua52-lpty
+      - prosody-mod-auth-imap-hg
+      - prosody-mod-auto-accept-subscriptions-hg
+      - prosody-mod-filter-chatstates-hg
+      - prosody-mod-http-upload-external-hg
+      - prosody-mod-offline-email-hg
+      - prosody-mod-smacks
+      - prosody-mod-throttle_presence
     aur_user: git
-    #    "prosody-mod-log-auth",
-    #    "prosody-mod-mam-archive",
-    #    "prosody-mod-mam-muc",
+    #  - prosody-mod-log-auth
+    #  - prosody-mod-mam-archive
+    #  - prosody-mod-mam-muc
 
 ### UPSTREAM END ⇒ ###
 - name: merge upstream
diff --git a/roles/dmz_wallabag_front/tasks/main.yml b/roles/dmz_wallabag_front/tasks/main.yml
index 3af7ba7..92ed44b 100644
--- a/roles/dmz_wallabag_front/tasks/main.yml
+++ b/roles/dmz_wallabag_front/tasks/main.yml
@@ -15,10 +15,8 @@
     name: aur.inc
     allow_duplicates: true
   vars:
-    pkg_names: |
-      [
-        "wallabag"
-      ]
+    packages:
+      - wallabag
     aur_user: git
 
 ### UPSTREAM END ⇒ ###
diff --git a/roles/nextcloud_back/tasks/main.yml b/roles/nextcloud_back/tasks/main.yml
index f04bf4b..dfffd15 100644
--- a/roles/nextcloud_back/tasks/main.yml
+++ b/roles/nextcloud_back/tasks/main.yml
@@ -26,10 +26,8 @@
     name: aur.inc
     allow_duplicates: true
   vars:
-    pkg_names: |
-      [
-        "collabora-online-server-nodocker"
-      ]
+    packages:
+      - collabora-online-server-nodocker
     aur_user: git
 
 - name: create the nextcloud user
diff --git a/roles/privatebin/tasks/main.yml b/roles/privatebin/tasks/main.yml
index 951acdc..721e480 100644
--- a/roles/privatebin/tasks/main.yml
+++ b/roles/privatebin/tasks/main.yml
@@ -15,10 +15,8 @@
     name: aur.inc
     allow_duplicates: true
   vars:
-    pkg_names: |
-      [
-        "privatebin"
-      ]
+    packages:
+      - privatebin
     aur_user: git
 
 ### UPSTREAM END ⇒ ###
diff --git a/roles/pyruse/tasks/main.yml b/roles/pyruse/tasks/main.yml
index cb3a857..7c21b2d 100644
--- a/roles/pyruse/tasks/main.yml
+++ b/roles/pyruse/tasks/main.yml
@@ -19,10 +19,8 @@
     name: aur.inc
     allow_duplicates: true
   vars:
-    pkg_names: |
-      [
-        "pyruse"
-      ]
+    packages:
+      - pyruse
 
 ### UPSTREAM END ⇒ ###
 - name: merge upstream
diff --git a/roles/ssowat/tasks/main.yml b/roles/ssowat/tasks/main.yml
index 494c114..6bb9f50 100644
--- a/roles/ssowat/tasks/main.yml
+++ b/roles/ssowat/tasks/main.yml
@@ -22,15 +22,13 @@
     name: aur.inc
     allow_duplicates: true
   vars:
-    pkg_names: |
-      [
-        "lua51-lualdap-git",
-        "ssowat-git"
-      ]
+    packages:
+      - lua51-lualdap-git
+      - ssowat-git
     aur_user: git
 # USUALLY NOT UP-TO-DATE… :-(
-#        "nginx-mainline-mod-ndk",
-#        "nginx-mainline-mod-lua",
+#      - nginx-mainline-mod-ndk
+#      - nginx-mainline-mod-lua
 
 ### UPSTREAM END ⇒ ###
 - name: merge upstream