Add function for saving envs

.config/shell/fns

@@ -228,7 +228,7 @@ img2png() {
 }
 
 # Create a new worktree and branch from within current git directory.
-ga() {
+gwa() {
     if [[ -z "$1" ]]; then
         echo "Usage: ga [branch name]"
         return 1
@@ -244,7 +244,7 @@ ga() {
 }
 
 # Remove worktree and branch from within active worktree directory.
-gd() {
+gwd() {
     if gum confirm "Remove worktree and branch?"; then
         local cwd base branch root
 
@@ -265,8 +265,8 @@ gd() {
 }
 
 linkenv() {
-    local env="$1:-dev"
-    local env_files_directory="$HOME/Tower/.backup/Development/Environments"
+    local env="${1:-dev}"
+    local env_files_directory="$HOME/Tower/.backups/Development/Environments"
 
     # Fetch the closest git parent or current directory if not
     local root_dir=$(git rev-parse --show-toplevel 2>/dev/null || pwd)
@@ -275,6 +275,19 @@ linkenv() {
     local source_file="$env_files_directory/${project_name}-${env}-env"
     local target_file="$root_dir/.env"
 
+    if [[ -f "$target_file" ]]; then
+        if gum confirm "Overwrite existing .env file?"; then
+            if [[ -L "$target_file" ]]; then
+                rm "$target_file"
+            else
+                mv "$target_file" "${target_file}.bak"
+                echo "Existing .env backed up to .env.bak"
+            fi
+        else
+            return 1
+        fi
+    fi
+
     if [[ -f "$source_file" ]]; then
         ln -sf "$source_file" "$target_file"
         echo "Linked $source_file -> $target_file"