From 59c9fd5da3f80e164576f84c1b3db0f85a6d667f Mon Sep 17 00:00:00 2001
From: Neal Gompa <ngompa@fedoraproject.org>
Date: Dec 01 2025 16:24:25 +0000
Subject: livesys-kde: Support Plasma Login Manager with SDDM as the fallback


We prefer Plasma Login Manager, but in the event it isn't installed,
we should assume that we're configuring SDDM, so there's no effective
behavioral changes when SDDM is used instead.

---

diff --git a/libexec/livesys/sessions.d/livesys-kde b/libexec/livesys/sessions.d/livesys-kde
index 8483952..171511a 100755
--- a/libexec/livesys/sessions.d/livesys-kde
+++ b/libexec/livesys/sessions.d/livesys-kde
@@ -13,15 +13,20 @@ else
   DEFAULT_DESKTOP="plasma.desktop"
   IS_MOBILE=0
 fi
-if [ -f /etc/sddm.conf ]; then
-sed -i 's/^#User=.*/User=liveuser/' /etc/sddm.conf
-sed -i "s/^#Session=.*/Session=${DEFAULT_DESKTOP}/" /etc/sddm.conf
+if $(rpm -q plasma-login-manager > /dev/null 2>&1) ; then
+  LOGIN_MANAGER_CONFIG="/etc/plasma-login.conf"
 else
-cat > /etc/sddm.conf << SDDM_EOF
+  LOGIN_MANAGER_CONFIG="/etc/sddm.conf"
+fi
+if [ -f "${LOGIN_MANAGER_CONFIG}" ]; then
+sed -i 's/^#User=.*/User=liveuser/' ${LOGIN_MANAGER_CONFIG}
+sed -i "s/^#Session=.*/Session=${DEFAULT_DESKTOP}/" ${LOGIN_MANAGER_CONFIG}
+else
+cat > ${LOGIN_MANAGER_CONFIG} << LGNMGR_EOF
 [Autologin]
 User=liveuser
 Session=${DEFAULT_DESKTOP}
-SDDM_EOF
+LGNMGR_EOF
 fi
 
 # add liveinst.desktop to favorites menu