From 9b896d697eb582dedd2533f6d2054f062c8381a0 Mon Sep 17 00:00:00 2001
From: 魏曹先生 <1992414357@qq.com>
Date: Sat, 20 Jun 2026 07:20:46 +0800
Subject: feat: add custom help message and fix clap help conflict

Disable clap's built-in help flag and reroute `-h`/`--help` to
print an embedded help text from `help.txt`. Use `try_parse` to
avoid clap's default exit on parse failure, allowing custom error
output.
---
 src/args.rs | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/args.rs')

diff --git a/src/args.rs b/src/args.rs
index 52dddfc..c27ff78 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -14,9 +14,15 @@ macro_rules! debug_log {
     };
 }
 
+/// The full help text embedded at compile time.
+pub static HELP_TEXT: &str = include_str!("../help.txt");
+
 #[derive(clap::Parser)]
 #[command(name = "dmvop", disable_help_flag = true, disable_version_flag = true)]
 pub struct DMVOPArguments {
+    // Show help
+    #[arg(long = "help", short = 'h')]
+    pub help: bool,
     // Verbose output (show debug messages)
     #[arg(long = "verbose", short = 'V')]
     pub verbose: bool,
-- 
cgit