better structure

utils/apply-color-helper

@@ -0,0 +1,41 @@
+[ -z "$1" ] && exit 1
+palette="$1"
+[ -z "$2" ] && exit 1
+colorName="$2"
+[ -z "$3" ] && exit 1
+colorHex="$3"
+
+function log_error {
+    printf "\033[0;31mError:\033[0m $1\n" >&2
+}
+
+function log_info {
+    printf "\033[0;32mInfo:\033[0m $1\n" >&2
+}
+
+function color_ansi {
+    colorHex="$1"
+
+    local r=$((16#${colorHex:0:2}))
+    local g=$((16#${colorHex:2:2}))
+    local b=$((16#${colorHex:4:2}))
+
+    # 24-bit true color ANSI escape code
+    printf "\033[38;2;%d;%d;%dm" $r $g $b
+}
+
+
+# remove leading '#' if present
+if [[ $colorHex == \#* ]]; then
+    colorHex="${colorHex#\#}"
+fi
+
+# check if hex
+if ! [[ $colorHex =~ ^[0-9A-Fa-f]{6}$ ]]; then
+    log_error "Invalid color hex: $colorHex"
+    exit 1
+fi
+
+function log_success {
+    log_info "Applied palette \033[1;34m${palette}\033[0m with primary color $(color_ansi $colorHex)${colorName} (#${colorHex})\033[0m to \033[1;34m$1\033[0m"
+}

utils/fetch-weather.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Fetch Weather
+After=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/home/Username_PLACEHOLDER/.config/eww/Main/scripts/weather --getdata
+WorkingDirectory=/home/Username_PLACEHOLDER/.config/eww/Main/scripts
+Environment=OPENWEATHER_API_KEY="Onecall_3.0_APIKey_PLACEHOLDER"
+Environment=OPENWEATHER_LAT="Latitude_PLACEHOLDER"
+Environment=OPENWEATHER_LON="Longitude_PLACEHOLDER"

utils/fetch-weather.timer

@@ -0,0 +1,10 @@
+[Unit]
+Description=Fetch weather information every hour
+Requires=fetch-weather.service
+
+[Timer]
+OnCalendar=hourly
+Persistent=true
+
+[Install]
+WantedBy=timers.target

utils/set_display

@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+
+# AMD -> Nvidia -> Intel
+prefer_order=(amd nvidia intel)
+
+# Get vendor and path of each GPU
+default_dri_path="$(find /dev/dri/card* 2>/dev/null | head -n 1)"
+[[ -z "$default_dri_path" ]] && default_dri_path="/dev/dri/card0"
+intel_path=""
+nvidia_path=""
+amd_path=""
+
+for link in /dev/dri/by-path/*-card; do
+  [[ -e "$link" ]] || continue
+  card="$(readlink -f "$link")"
+  vfile="/sys/class/drm/$(basename "$card")/device/vendor"
+  [[ -r "$vfile" ]] || continue
+  vendor="$(cat "$vfile")"
+  case "$vendor" in
+    0x10de) nvidia_path="$card" ;;
+    0x8086) intel_path="$card" ;;
+    0x1002) amd_path="$card" ;;
+  esac
+done
+
+# Specify device for brightnessctl
+# Only tested on my laptop with Intel iGPU & Nvidia dGPU
+BRIGHTNESSCTL_DEVICE="auto"
+if [[ -n "$intel_path" ]]; then
+  BRIGHTNESSCTL_DEVICE="intel_backlight"
+elif [[ -n "$nvidia_path" ]]; then
+  BRIGHTNESSCTL_DEVICE="nvidia_0"
+fi
+export BRIGHTNESSCTL_DEVICE
+
+# AQ_DRM_DEVICES allows multiple entries separated by colon
+devices=""
+for who in "${prefer_order[@]}"; do
+  case "$who" in
+    nvidia) [[ -n "$nvidia_path" ]] && devices="${devices:+$devices:}$nvidia_path" ;;
+    intel)  [[ -n "$intel_path"  ]] && devices="${devices:+$devices:}$intel_path" ;;
+    amd)    [[ -n "$amd_path"    ]] && devices="${devices:+$devices:}$amd_path" ;;
+  esac
+done
+HYPR_AQ_DRM_DEVICES="${devices:-$default_dri_path}"
+export HYPR_AQ_DRM_DEVICES
+
+# But niri only supports choosing one preferred render device
+primary_device="$default_dri_path"
+for who in "${prefer_order[@]}"; do
+  case "$who" in
+    nvidia) [[ -n "$nvidia_path" ]] && { primary_device="$nvidia_path"; break; } ;;
+    intel)  [[ -n "$intel_path"  ]] && { primary_device="$intel_path"; break; } ;;
+    amd)    [[ -n "$amd_path"    ]] && { primary_device="$amd_path"; break; } ;;
+  esac
+done
+
+# Update niri config
+for file in "$HOME/.config/niri/config.kdl" "$HOME/.config/niri/config.kdl.template"; do
+  [[ -f "$file" ]] || continue
+
+  if grep -qE '^\s*render-drm-device\s+"[^"]+"' "$file"; then
+    current="$(grep -E '^\s*render-drm-device\s+"[^"]+"' "$file" | sed -E 's/^\s*render-drm-device\s+"([^"]+)".*/\1/')"
+    [[ "$current" == "$primary_device" ]] && continue
+    sed -i -E "s|^(\s*render-drm-device\s+)\"[^\"]+\"|\1\"$primary_device\"|" "$file"
+  else
+    printf '\ndebug {\nrender-drm-device "%s"\n}\n' "$primary_device" >> "$file"
+  fi
+done

utils/set_nv_env

@@ -0,0 +1,3 @@
+export __NV_PRIME_RENDER_OFFLOAD=1
+export __GLX_VENDOR_LIBRARY_NAME=nvidia
+export __VK_LAYER_NV_optimus=NVIDIA_only

utils/unset_nv_env

@@ -0,0 +1,4 @@
+# __NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia __VK_LAYER_NV_optimus=NVIDIA_only
+unset __NV_PRIME_RENDER_OFFLOAD
+unset __GLX_VENDOR_LIBRARY_NAME
+unset __VK_LAYER_NV_optimus