Add --reinstall option to reinstall current version and show installation location when latest version is already installed

install-tea-cli.sh

@@ -286,7 +286,7 @@ check_update_needed() {
 
     if compare_versions "$clean_latest" "$clean_current"; then
         if [[ "$clean_latest" == "$clean_current" ]]; then
-            print_success "You already have the latest version ($current_version)"
+            print_success "You already have the latest version ($current_version) installed at $install_type location"
             if [[ "$force_reinstall" == "true" ]]; then
                 print_status "Force reinstall requested, proceeding..."
                 return 0
@@ -476,12 +476,14 @@ show_usage() {
     echo "  -h, --help     Show this help message"
     echo "  -v, --version  Install specific version (default: latest)"
     echo "  -f, --force    Force reinstall even if up-to-date"
+    echo "  -r, --reinstall Reinstall the current installed version"
     echo "  -p, --package  Force installation from package manager"
     echo "  -b, --binary   Force installation from binary"
     echo
     echo "Examples:"
     echo "  $0                    # Install latest version using best method"
     echo "  $0 -v v0.10.0         # Install specific version"
+    echo "  $0 --reinstall        # Reinstall current version"
     echo "  $0 --package          # Force installation from package manager"
     echo "  $0 --binary           # Force installation from binary"
     echo
@@ -491,8 +493,9 @@ show_usage() {
 main() {
     local target_version=""
     local force_reinstall=false
+    local reinstall_current=false
     local install_method="auto"
-    
+
     # Parse command line arguments
     while [[ $# -gt 0 ]]; do
         case $1 in
@@ -508,6 +511,10 @@ main() {
                 force_reinstall=true
                 shift
                 ;;
+            -r|--reinstall)
+                reinstall_current=true
+                shift
+                ;;
             -p|--package)
                 install_method="package"
                 shift
@@ -533,11 +540,24 @@ main() {
     if [[ $EUID -ne 0 ]]; then
         print_warning "Not running as root. Some operations may require sudo."
     fi
-    
+
     # Detect system
     detect_os
     ARCH=$(get_arch)
-    
+
+    # Handle reinstall current version
+    if [[ "$reinstall_current" == "true" ]]; then
+        local current_info=$(get_current_version)
+        local current_version=$(echo "$current_info" | cut -d: -f1)
+        if [[ "$current_version" == "not_installed" ]]; then
+            print_error "No current version installed to reinstall"
+            exit 1
+        fi
+        target_version="$current_version"
+        force_reinstall=true
+        print_status "Reinstalling current version: $target_version"
+    fi
+
     # Get latest version if not specified
     if [[ -z "$target_version" ]]; then
         get_latest_release