From d3e6e7316a96dea1e7ee94303cf2f033aba0c9e3 Mon Sep 17 00:00:00 2001
From: "yuri.kuit" <yuri.kuit@gmail.com>
Date: Sat, 23 May 2026 20:44:30 +0200
Subject: [PATCH] fedora niri

---
 v2/fedora-niri.sh | 120 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100755 v2/fedora-niri.sh

diff --git a/v2/fedora-niri.sh b/v2/fedora-niri.sh
new file mode 100755
index 0000000..bbfca50
--- /dev/null
+++ b/v2/fedora-niri.sh
@@ -0,0 +1,120 @@
+#!/bin/bash
+set -euo pipefail
+
+##########################
+# Color helpers (printf-safe, no tput)
+##########################
+RED="\033[0;31m"
+GREEN="\033[0;32m"
+YELLOW="\033[0;33m"
+CYAN="\033[0;36m"
+GRAY="\033[0;37m"
+BOLD="\033[1m"
+RESET="\033[0m"
+
+# Disable colors if output is not a terminal
+if [ ! -t 1 ]; then
+    RED="" GREEN="" YELLOW="" CYAN="" GRAY="" BOLD="" RESET=""
+fi
+
+say_red()    { printf "\n"; printf "%b%s%b\n" "$RED" "$*" "$RESET"; }
+say_green()    { printf "\n"; printf "%b%s%b\n" "$GREEN" "$*" "$RESET"; }
+say_yellow()   { printf "\n"; printf "%b%s%b\n" "$YELLOW" "$*" "$RESET"; }
+say_cyan()     { printf "\n"; printf "%b%s%b\n" "$CYAN" "$*" "$RESET"; }
+say_gray()     { printf "\n"; printf "%b%s%b\n" "$GRAY" "$*" "$RESET"; }
+say_bold()     { printf "\n"; printf "%b%s%b\n" "$BOLD" "$*" "$RESET"; }
+
+##########################
+# Use exported variables from main detection script
+##########################
+OS="${DETECTED_OS:-fedora}"
+DDE="${DETECTED_DE:-none}"
+DE="${SELECTED_DE:-none}"
+TWM="${SELECTED_TWM:-none}"
+INSTALL_LEVEL="${INSTALL_LEVEL:-minimal}"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+##########################
+# Helper functions
+##########################
+install_packages() { sudo dnf install -y "$@"; }
+is_package_installed() { rpm -q "$@" &>/dev/null; }
+
+detect_de() {
+    # Check if a desktop session is currently running or XFCE is available
+    if [ "${XDG_CURRENT_DESKTOP:-}" ]; then
+        echo "${XDG_CURRENT_DESKTOP,,}" # lowercase the output
+    elif command -v xfce4-session >/dev/null 2>&1; then
+        echo "xfce"
+    else
+        echo ""
+    fi
+}
+
+detect_display_manager() {
+    # Fedora/Systemd way to check the active DM symlink
+    if [ -L /etc/systemd/system/display-manager.service ]; then
+        basename "$(readlink /etc/systemd/system/display-manager.service)" | sed 's/\.service//'
+    else
+        echo ""
+    fi
+}
+
+switch_display_manager() {
+    local target_dm="$1"
+    local current_dm
+    current_dm=$(detect_display_manager)
+
+    if [[ "$current_dm" != "$target_dm" ]]; then
+        if [[ -n "$current_dm" ]]; then
+            say_yellow "Disabling existing display manager: $current_dm"
+            sudo systemctl disable "$current_dm"
+        fi
+        say_yellow "Enabling $target_dm..."
+        sudo systemctl enable "$target_dm"
+    fi
+    sudo systemctl set-default graphical.target
+}
+
+#########################
+# Start installation
+##########################
+say_yellow "Starting Niri setup..."
+
+CURRENT_DE="$(detect_de)"
+CURRENT_DM="$(detect_display_manager)"
+
+# Core components for Niri (Fedora package names)
+# Note: Ensure noctalia-shell and xwayland-satellite are available in your enabled Copr/repos
+NIRI_PACKAGES=(niri fuzzel swaybg swaylock) 
+
+if [[ -z "$CURRENT_DE" || "$CURRENT_DE" == "none" ]]; then
+    say_cyan "No Desktop Environment detected. Installing Niri (light setup with SDDM)..."
+
+    install_packages sddm "${NIRI_PACKAGES[@]}"
+    switch_display_manager "sddm"
+
+    say_green "Niri with SDDM installed successfully. You can reboot now to start Niri."
+else
+    say_cyan "Detected existing Desktop Environment: $CURRENT_DE"
+    
+    # Always install the window manager packages
+    install_packages "${NIRI_PACKAGES[@]}"
+
+    if [[ "$CURRENT_DM" == "lightdm" ]]; then
+        say_yellow "LightDM is currently active. Replacing with SDDM..."
+
+        # Fedora equivalent to purge lightdm safely
+        sudo dnf remove -y lightdm lightdm-gtk
+
+        install_packages sddm
+        switch_display_manager "sddm"
+
+        say_green "LightDM removed and replaced with SDDM."
+    else
+        say_cyan "Current display manager: ${CURRENT_DM:-none}. Leaving it to handle Niri login sessions."
+    fi
+fi
+
+# End of script
+say_green "Niri / SDDM setup completed."
\ No newline at end of file