helix: add script to reload on dark mode change

home/bin/switch-helix-theme.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -euox pipefail
+
+HELIX_CONFIG_PATH=$(readlink -f "${HOME}/.config/helix/config.toml")
+HELIX_THEME_LIGHT="zed_onelight"
+HELIX_THEME_DARK="kanagawa"
+
+if [[ "$2" == "prefer-dark" ]]; then
+  sed -i "s/^theme .*/theme = \"$HELIX_THEME_DARK\"/" "$HELIX_CONFIG_PATH"
+else
+  sed -i "s/^theme .*/theme = \"$HELIX_THEME_LIGHT\"/" "$HELIX_CONFIG_PATH"
+fi
+
+pkill -USR1 hx || true