From 6bc4b56ba39d91df3f23c9f0bfc6553c2ec029dc Mon Sep 17 00:00:00 2001
From: "n loewen (aider)" <nick@nloewen.com>
Date: Sat, 7 Jun 2025 19:03:25 +0100
Subject: [PATCH] feat: Add -h/--help option to display usage information

---
 gtm | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/gtm b/gtm
index 36cd9e6..75ec8f1 100755
--- a/gtm
+++ b/gtm
@@ -220,15 +220,24 @@ def main(stdscr, filename):
 
         stdscr.refresh()
 
+def show_help():
+    """Display help information"""
+    print("Usage: gtm filename")
+    print("       gtm -v, --version (show version)")
+    print("       gtm -h, --help (show this help)")
+    print("\nA Git Time Machine for viewing file history.")
+
 if __name__ == "__main__":
     if len(sys.argv) == 2:
         if sys.argv[1] == "-v" or sys.argv[1] == "--version":
             print(f"gtm version {VERSION}")
             sys.exit(0)
+        elif sys.argv[1] == "-h" or sys.argv[1] == "--help":
+            show_help()
+            sys.exit(0)
         filename = sys.argv[1]
         curses.wrapper(main, filename)
     else:
-        print("Usage: gtm filename")
-        print("       gtm -v, gtm --version (show version)")
+        show_help()
         sys.exit(1)