Clean temp data if upgrade succeed

cluster/apt.apply.update.sh

@@ -222,6 +222,16 @@ Try to apply APT upgrades".
 
 	DEBIAN_FRONTEND=noninteractive aptitude -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confold full-upgrade >> "${APT_TMP_FILE}" 2>&1
 
+}
+# }}}
+clean_host() {                                                  # {{{
+
+	debug_message "clean_host − \
+Try to clean temp files, downloaded packages,…".
+
+	aptitude clean >> "${APT_TMP_FILE}" 2>&1 \
+	&& rm -f -- "${APT_TMP_FILE}"
+
 }
 # }}}
 main() {                                                        # {{{
@@ -256,9 +266,11 @@ main() {                                                        # {{{
 		&& exit 0
 
 	## Try to upgrade the system
-	### Exit 50 if any error in returned value
+	### If error: Exit 50
+	### If success: Clean host (temp files, download,…)
 	upgrade_system \
-		|| exit 50
+		|| exit 50 \
+		&& clean_host
 
 	## If Maco upgrade is present
 	### Exit (and leave Maco manage required reboot if present)