small updates, needs restow xsession

xsession/.local/bin/lupan-set-theme

@@ -0,0 +1,65 @@
+#!/bin/sh
+
+THEME="$1"
+
+if [ "$THEME" = "toggle" ]; then
+    if [ -e ~/.lightmode ]; then
+        THEME=dark
+    else
+        THEME=light
+    fi
+fi
+
+if [ "$THEME" = dark ]; then
+    GTK_THEME=Arc-Dark
+    rm -f ~/.lightmode
+elif [ "$THEME" = light ]; then
+    GTK_THEME=Arc-Light
+    touch ~/.lightmode
+else
+    echo "error: unknown theme: should be either dark, light or toggle" >&2
+    exit 1
+fi
+
+pkill -USR1 '^dwm$'
+
+XRES=$(readlink -e ~/.Xresources)
+if [ -n "$XRES" ]; then
+    if [ "$THEME" = dark ]; then
+        sed -i 's/^#undef THEME_DARK/#define THEME_DARK/' "$XRES"
+    elif [ "$THEME" = light ]; then
+        sed -i 's/^#define THEME_DARK/#undef THEME_DARK/' "$XRES"
+    fi
+    xrdb -merge "$XRES" -DHOME="$HOME"
+    pkill -USR1 '^st$'
+fi
+
+# Alacritty
+AYML=$(readlink -e ~/.config/alacritty/alacritty.yml)
+if [ -n "$AYML" ]; then
+    sed -i "s/^colors: [*].*/colors: *$THEME/" "$AYML"
+fi
+ATOML=$(readlink -e ~/.config/alacritty/alacritty.toml)
+if [ -f "$ATOML" ]; then
+    sed -i "s#^import =.*#import = [\"~/.config/alacritty/$THEME.toml\"]#" "$ATOML"
+fi
+
+XSET=$(readlink -e ~/.config/xsettingsd/xsettingsd.conf)
+if [ "$THEME" = dark ]; then
+    kitten themes --reload-in=all Afterglow
+elif [ "$THEME" = light ]; then
+    kitten themes --reload-in=all One Half Light
+fi
+
+# GTK
+if [ -n "$XSET" ]; then
+    sed -i -E "s#(Net/ThemeName) .*#\\1 \"${GTK_THEME}\"#" "$XSET"
+    pkill -HUP -x xsettingsd
+    gsettings set org.gnome.desktop.interface gtk-theme "${GTK_THEME}"
+fi
+
+# waybar
+WCSS=$(readlink -e ~/.config/waybar/style.css)
+if [ -f "$WCSS" ]; then
+    sed -i -E "s#file:///.*/(light|dark)[.]css#file://$HOME/.config/waybar/$THEME.css#" "$WCSS"
+fi