utils upgrade

utils/.local/bin/upgrade

@@ -1,10 +1,23 @@
 #!/usr/bin/env bash
 set -eo pipefail
 
+if [[ "$1" == "-h" || "$1" == "--help" ]]; then
+    cat <<EOF
+Usage: $(basename "$0") [-h]
+
+Upgrade system packages (apt, snap, flatpak).
+
+Options:
+    -h, --help    Show this help message
+
+EOF
+    exit 0
+fi
+
 is apt >/dev/null && {
     echo
     echo "==========================="
-    echo "Upgarding apt packages..."
+    echo "Upgrading apt packages..."
     echo "==========================="
     echo
     sudo apt update
@@ -14,7 +27,7 @@ is apt >/dev/null && {
 is snap >/dev/null && {
     echo
     echo "==========================="
-    echo "Upgarding snap packages..."
+    echo "Upgrading snap packages..."
     echo "==========================="
     echo
     sudo snap refresh
@@ -23,7 +36,7 @@ is snap >/dev/null && {
 is flatpak >/dev/null && {
     echo
     echo "==========================="
-    echo "Upgarding flatpak packages..."
+    echo "Upgrading flatpak packages..."
     echo "==========================="
     echo
     sudo flatpak update -y