utils upgrade

utils/.local/bin/pasta

@@ -1,12 +1,25 @@
 #!/usr/bin/env bash
 set -eo pipefail
 
-if hash pbpaste 2>/dev/null; then
-  exec pbpaste
-elif hash xclip 2>/dev/null; then
-  exec xclip -selection clipboard -o
-elif [[ -e /tmp/clipboard ]]; then
-  exec cat /tmp/clipboard
-else
-  echo ''
+if [[ "$1" == "-h" || "$1" == "--help" ]]; then
+    cat <<EOF
+Usage: $(basename "$0") [-h]
+
+Paste content from system clipboard.
+
+Options:
+    -h, --help    Show this help message
+
+EOF
+    exit 0
+fi
+
+if hash pbpaste 2>/dev/null; then
+    exec pbpaste
+elif hash xclip 2>/dev/null; then
+    exec xclip -selection clipboard -o
+elif [[ -e /tmp/clipboard ]]; then
+    exec cat /tmp/clipboard
+else
+    echo ''
 fi