init nix-os configuraion files

modules/home/hyprland/conf/waybar/wbarswitch.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env sh
+
+# Set the directory paths
+waybar_dir=`dirname $(realpath $0)`
+modes_dir="$waybar_dir/modes"
+
+# Get the current symlink target
+current_target=$(readlink "$waybar_dir/config.jsonc")
+
+# Get the list of available files in modes directory
+file_list=("$modes_dir"/*.jsonc)
+num_files=${#file_list[@]}
+
+# Check if there are no files or only one file
+if [[ $num_files -eq 0 ]]; then
+    echo "Error: No files found in modes directory."
+    exit 1
+elif [[ $num_files -eq 1 ]]; then
+    echo "Only one file found. No changes made."
+    exit 0
+fi
+
+# Find the index of the current target in the file list
+current_index=-1
+for ((i=0; i<num_files; i++)); do
+    if [[ ${file_list[$i]} == "$current_target" ]]; then
+        current_index=$i
+        break
+    fi
+done
+
+# Check if the current symlink target was found
+if [[ $current_index -eq -1 ]]; then
+    echo "Error: Symbolic link target not found in modes directory."
+    exit 1
+fi
+
+# Function to calculate the next or previous index
+calculate_index() {
+    local current=$1
+    local increment=$2
+    local result=$(( (current + increment + num_files) % num_files ))
+    echo $result
+}
+
+## evaluate options ##
+while getopts "np" option ; do
+    case $option in
+    n ) # set the next waybar
+        next_index=$(calculate_index $current_index 1)
+        new_target=${file_list[$next_index]} ;;
+    p ) # set the previous waybar
+        prev_index=$(calculate_index $current_index -1)
+        new_target=${file_list[$prev_index]} ;;
+    * ) # invalid option
+        echo "n : set next menubar"
+        echo "p : set previous menubar"
+        exit 1 ;;
+    esac
+done
+
+
+# Update the symbolic link
+ln -sf "$new_target" "$waybar_dir/config.jsonc"
+sleep 1
+killall waybar # I have tried killall -SIGUSR2 waybar w/o success
+waybar > /dev/null 2>&1 &