From 0c2a06934b5ee8050d5b39a0ef32d657e7fa5aa2 Mon Sep 17 00:00:00 2001
From: Sergiotarxz <sergiotarxz@posteo.net>
Date: Sun, 1 Oct 2023 07:57:36 +0200
Subject: [PATCH] Adding the capability to update and depclean.

---
 prepare_system.pl | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/prepare_system.pl b/prepare_system.pl
index 40d4fbf..34081ea 100644
--- a/prepare_system.pl
+++ b/prepare_system.pl
@@ -36,9 +36,31 @@ sub main {
     if ($rebuild_bin && $package_use_changed || $make_conf_changed) {
         _rebuildBinaries($target_dir);
     }
+    _updateSystem($target_dir);
+    _depclean($target_dir);
     _installNeededPackages($target_dir, $packages);
 }
 
+sub _depclean($target) {
+    _forkWait() or return;
+    _chroot($target);
+    my $return_code = system 'emerge', '--depclean';
+    if ($return_code != 0) {
+        die 'Unable to depclean system.';
+    }
+    exit 0;
+}
+
+sub _updateSystem($target) {
+    _forkWait() or return;
+    _chroot($target);
+    my $return_code = system 'emerge', '-uUDN', '@world';
+    if ($return_code != 0) {
+        die 'Unable to update the system.';
+    }
+    exit 0;
+}
+
 sub _rebuildBinaries($target) {
     _forkWait() or return;
     _chroot($target);
@@ -50,6 +72,7 @@ sub _rebuildBinaries($target) {
     if ($return_code != 0) {
         die 'Unable to rebuild binaries for world.';
     }
+    exit 0;
 }
 
 sub _installNeededPackages($target, $packages) {