feat: enhance branch selection in install script with user prompts and default handling

install.sh

@@ -4,6 +4,51 @@ set -euo pipefail
 DOTFILES_REPO="https://gitea.purpleraft.com/ryan/dotfiles"
 DOTFILES_DIR="$HOME/.dotfiles"
 
+# Handle branch selection
+if [ $# -eq 0 ]; then
+    echo "🌿 Fetching available branches..."
+    
+    # Get list of remote branches
+    branches=$(git ls-remote --heads "$DOTFILES_REPO" | sed 's/.*refs\/heads\///' | sort)
+    
+    if [ -z "$branches" ]; then
+        echo "⚠️  Could not fetch branches, using default 'main'"
+        BRANCH="main"
+    else
+        echo "Available branches:"
+        branch_array=()
+        i=1
+        while IFS= read -r branch; do
+            echo "$i. $branch"
+            branch_array+=("$branch")
+            ((i++))
+        done <<< "$branches"
+        
+        echo "$i. Enter custom branch name"
+        echo ""
+        read -p "Choose branch (1-$i) [default: main]: " branch_choice
+        
+        if [[ "$branch_choice" =~ ^[0-9]+$ ]] && [ "$branch_choice" -ge 1 ] && [ "$branch_choice" -lt "$i" ]; then
+            # Valid branch selection
+            BRANCH="${branch_array[$((branch_choice-1))]}"
+        elif [ "$branch_choice" -eq "$i" ]; then
+            # Custom branch name
+            read -p "Enter branch name: " custom_branch
+            BRANCH="$custom_branch"
+        else
+            # Default or invalid choice
+            if [[ " ${branch_array[*]} " =~ " main " ]]; then
+                BRANCH="main"
+            else
+                BRANCH="${branch_array[0]}"  # Use first available branch
+            fi
+            echo "Using default branch: $BRANCH"
+        fi
+    fi
+else
+    BRANCH="$1"
+fi
+
 # Function to install packages from a file
 install_packages() {
     local package_file="$1"
@@ -57,13 +102,17 @@ if ! command -v stow &> /dev/null; then
     exit 1
 fi
 
+echo "🚀 Installing dotfiles from branch: $BRANCH"
+
 # Clone or update the repo
 if [ -d "$DOTFILES_DIR/.git" ]; then
   echo "🔄 Updating existing dotfiles repo..."
+  git -C "$DOTFILES_DIR" fetch --quiet
+  git -C "$DOTFILES_DIR" checkout "$BRANCH" --quiet
   git -C "$DOTFILES_DIR" pull --quiet
 else
   echo "📥 Cloning dotfiles into $DOTFILES_DIR..."
-  git clone "$DOTFILES_REPO" "$DOTFILES_DIR"
+  git clone -b "$BRANCH" "$DOTFILES_REPO" "$DOTFILES_DIR"
 fi
 
 cd "$DOTFILES_DIR"