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Improve CLI help text with comprehensive options 

- Add version number to help header
- Restructure help into USAGE, ARGS, OPTIONS, INIT OPTIONS, EXAMPLES sections
- Include all command-line options with descriptions
- Add usage examples for common scenarios
This commit is contained in:
Vladislav Yaroslavlev 2026-02-23 17:22:56 +03:00
parent 1dfe38c5db
commit 872b47067a
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1 changed files with 26 additions and 17 deletions
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src/main.rs
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@ -73,27 +73,36 @@ fn parse_cli() -> (String, bool, Option<String>) {
log_level = Some(s.trim_start_matches("--log-level=").to_string());
}
"--help" | "-h" => {
eprintln!("Usage: telemt [config.toml] [OPTIONS]");
eprintln!("telemt - Telegram MTProto Proxy v{}", env!("CARGO_PKG_VERSION"));
eprintln!();
eprintln!("Options:");
eprintln!(" --silent, -s Suppress info logs");
eprintln!(" --log-level <LEVEL> debug|verbose|normal|silent");
eprintln!(" --help, -h Show this help");
eprintln!("USAGE:");
eprintln!(" telemt [CONFIG] [OPTIONS]");
eprintln!(" telemt --init [INIT_OPTIONS]");
eprintln!();
eprintln!("Setup (fire-and-forget):");
eprintln!(
" --init Generate config, install systemd service, start"
);
eprintln!("ARGS:");
eprintln!(" <CONFIG> Path to config file (default: config.toml)");
eprintln!();
eprintln!("OPTIONS:");
eprintln!(" -s, --silent Suppress info logs (equivalent to --log-level silent)");
eprintln!(" --log-level <LEVEL> Set log level [possible values: debug, verbose, normal, silent]");
eprintln!(" -h, --help Show this help message");
eprintln!(" -V, --version Print version number");
eprintln!();
eprintln!("INIT OPTIONS (fire-and-forget setup):");
eprintln!(" --init Generate config, install systemd service, and start");
eprintln!(" --port <PORT> Listen port (default: 443)");
eprintln!(
" --domain <DOMAIN> TLS domain for masking (default: www.google.com)"
);
eprintln!(
" --secret <HEX> 32-char hex secret (auto-generated if omitted)"
);
eprintln!(" --user <NAME> Username (default: user)");
eprintln!(" --domain <DOMAIN> TLS domain for masking (default: www.google.com)");
eprintln!(" --secret <HEX> 32-char hex secret (auto-generated if omitted)");
eprintln!(" --user <NAME> Username for proxy access (default: user)");
eprintln!(" --config-dir <DIR> Config directory (default: /etc/telemt)");
eprintln!(" --no-start Don't start the service after install");
eprintln!(" --no-start Create config and service but don't start");
eprintln!();
eprintln!("EXAMPLES:");
eprintln!(" telemt # Run with default config");
eprintln!(" telemt /etc/telemt/config.toml # Run with specific config");
eprintln!(" telemt --log-level debug # Run with debug logging");
eprintln!(" telemt --init # Quick setup with defaults");
eprintln!(" telemt --init --port 8443 --user admin # Custom setup");
std::process::exit(0);
}
"--version" | "-V" => {