fix: skip install packages in Git Bash on Windows

Prevents package manager errors when running install script in Git Bash
by detecting Windows environment and only checking for essential tools.

install.sh

@@ -36,6 +36,21 @@ function get_os_id() {
     grep "^id=" | head -n1 | cut -d= -f2 | tr -d '"'
 }
 
+# -------------------------
+# Detect Git Bash/Windows
+# -------------------------
+function is_git_bash_windows() {
+    # Check if running in Git Bash on Windows
+    if [[ "$OSTYPE" == "msys" ]] || [[ "$OSTYPE" == "cygwin" ]] || [[ -n "$MSYSTEM" ]]; then
+        return 0  # true
+    fi
+    # Additional check for Windows environment
+    if [[ -n "$WINDIR" ]] || [[ -n "$SYSTEMROOT" ]]; then
+        return 0  # true
+    fi
+    return 1  # false
+}
+
 # -------------------------
 # Map programs to packages
 # -------------------------
@@ -108,6 +123,31 @@ function install_package() {
 # Check and install programs
 # ---------------------------
 function check_and_install_programs() {
+    # Skip package installation if running in Git Bash on Windows
+    if is_git_bash_windows; then
+        msg "Detectado Git Bash en Windows - omitiendo instalación de paquetes del sistema" \
+            "Detected Git Bash on Windows - skipping system package installation"
+
+        # Check if essential programs are available
+        local missing_programs=()
+        local programs=("curl" "unzip")
+
+        for prog in "${programs[@]}"; do
+            if ! command -v "$prog" &>/dev/null; then
+                missing_programs+=("$prog")
+            fi
+        done
+
+        if [[ ${#missing_programs[@]} -gt 0 ]]; then
+            msg_err "Programas requeridos no encontrados: ${missing_programs[*]}" \
+                    "Required programs not found: ${missing_programs[*]}"
+            msg_err "Por favor instala Git for Windows completo que incluye estos programas." \
+                    "Please install complete Git for Windows which includes these programs."
+            exit 1
+        fi
+        return 0
+    fi
+
     local os_id
     os_id=$(get_os_id)
     local programs=("curl" "less" "ls" "iproute2" "unzip")