Add restore script, use it to move the latest lock file to the destinations

restore.sh

@@ -0,0 +1,39 @@
+#!/bin/zsh
+
+source ./util_lib.sh
+
+latest_lock=$(get_latest_lock)
+has_lock=$(has_lock $latest_lock)
+
+if [ $has_lock -eq 0 ]; then
+    echo "No lock exists, nothing to restore."
+    exit 0
+fi
+
+lock_dir="$LOCK_ROOT"/"$latest_lock"
+
+# Iterate through the array of key-value pairs
+for mapping in "${mappings[@]}"; do
+    current_mapping=("${(@s:|:)mapping}")
+
+    src="$lock_dir/$(basename "${current_mapping[1]}")"
+    dest="${current_mapping[2]}"
+
+    # If src exists at all? No matter if it's a file or directory
+    if [ ! -e "$src" ]; then
+        echo "$src does not exist, skipping."
+        continue
+    fi
+
+    # Remove destination if it is a directory
+    if [ -d "$src" ] && [ -d "$dest/${current_mapping[1]}" ]; then
+        echo "Removing $dest/${current_mapping[1]}"
+        rm -rf "$dest/${current_mapping[2]}"
+    fi
+
+    # Create destination directory
+    mkdir -p "$dest"
+
+    # Copy source to destination
+    cp -r "$src" "$dest"
+done

upgrade.sh

@@ -2,9 +2,6 @@
 
 source ./util_lib.sh
 
-# Enable the NULL_GLOB option to handle cases where no subdirectories exist
-setopt NULL_GLOB
-
 # Create a lock dir for our current configs.
 ((latest_lock=$(get_latest_lock) + 1))
 lock_dir="$LOCK_ROOT"/"$latest_lock"
@@ -21,10 +18,9 @@ for mapping in "${mappings[@]}"; do
     # Check if destination directory exists
     final="$dest/$src"
     if [ -e "$final" ]; then
-        # If destination exists, move its contents to the .lock directory
-        mkdir -p "$lock_dest"
-        mv "$final"/* "$lock_dest"
-        echo "Moved existing contents of \"$final\" to \"$lock_dest\""
+        # mv "$final"/* "$lock_dest"
+        mv "$final" "$lock_dest"
+        echo "Moved \"$final\" to \"$lock_dest\""
     fi
 
     # Create destination directory

util_lib.sh

@@ -2,6 +2,9 @@
 
 LOCK_ROOT=".lock"
 
+# Enable the NULL_GLOB option to handle cases where no subdirectories exist
+setopt NULL_GLOB
+
 # Define a function to create key-value pairs
 create_mapping() {
     local input="$1"
@@ -31,3 +34,18 @@ function get_latest_lock() {
 
     echo $latest_lock
 }
+
+function has_lock() {
+    local latest_lock=$1
+
+    # if first parameter does not exist, call get_latest_lock
+    if [[ -z $latest_lock ]]; then
+        latest_lock=$(get_latest_lock)
+    fi
+
+    if [[ $latest_lock -ne 0 ]]; then
+        echo 1
+    else
+        echo 0
+    fi
+}