From: Herpiko Dwi Aguno <herpiko@gmail.com>
Date: Sat, 14 Feb 2026 00:00:00 +0000
Subject: Remove live user (blankon) from installed system

After installation, remove the blankon live user from the target system
if another user has been created. If blankon is the only user, it is
kept to avoid leaving the system without a login account.
---
 calamares-modules/remove-live-user/module.desc |  6 ++++++
 calamares/settings.conf                        |  1 +
 helpers/calamares-remove-live-user             | 20 ++++++++++++++++++++
 3 files changed, 27 insertions(+)
 create mode 100644 calamares-modules/remove-live-user/module.desc
 create mode 100755 helpers/calamares-remove-live-user

diff --git a/calamares-modules/remove-live-user/module.desc b/calamares-modules/remove-live-user/module.desc
new file mode 100644
index 0000000..6de2080
--- /dev/null
+++ b/calamares-modules/remove-live-user/module.desc
@@ -0,0 +1,6 @@
+---
+type:       "job"
+name:       "remove-live-user"
+interface:  "process"
+command:    "/usr/share/calamares/helpers/calamares-remove-live-user"
+timeout:    600
diff --git a/calamares/settings.conf b/calamares/settings.conf
index c452c6f..3fc5934 100644
--- a/calamares/settings.conf
+++ b/calamares/settings.conf
@@ -85,6 +85,7 @@ sequence:
   - dpkg-unsafe-io-undo
   - sources-media-unmount
   - sources-final
+  - remove-live-user
   - umount

 # Phase 3 - postinstall.
diff --git a/helpers/calamares-remove-live-user b/helpers/calamares-remove-live-user
new file mode 100755
index 0000000..8b17694
--- /dev/null
+++ b/helpers/calamares-remove-live-user
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# Removes the live user (blankon) from the installed system,
+# but only if there is another user present.
+#
+
+CHROOT=$(mount | grep proc | grep calamares | awk '{print $3}' | sed -e "s#/proc##g")
+LIVE_USER="blankon"
+
+# Count normal users (UID >= 1000, excluding nobody)
+USER_COUNT=$(awk -F: '$3 >= 1000 && $1 != "nobody" { count++ } END { print count }' "$CHROOT/etc/passwd")
+
+if [ "$USER_COUNT" -ge 2 ]; then
+    # There are at least 2 normal users, check if blankon is one of them
+    if grep -q "^${LIVE_USER}:" "$CHROOT/etc/passwd"; then
+        chroot "$CHROOT" userdel -r "$LIVE_USER" 2>/dev/null
+    fi
+fi
+
+exit 0