From e00f8e5026f8ea86de743d4133f6460c81dc759e Mon Sep 17 00:00:00 2001
From: Johann150 <johann.galle@protonmail.com>
Date: Sat, 27 Feb 2021 20:46:08 +0100
Subject: [PATCH] add version info flag

---
 src/main.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index 97c8efa..b54416b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -129,6 +129,7 @@ fn args() -> Result<Args> {
     );
     opts.optflag("s", "silent", "Disable logging output");
     opts.optflag("h", "help", "Print this help menu and exit.");
+    opts.optflag("V", "version", "Print version information and exit.");
     opts.optflag(
         "3",
         "only-tls13",
@@ -151,6 +152,10 @@ fn args() -> Result<Args> {
         eprintln!("{}", opts.usage(&format!("Usage: {} [options]", &args[0])));
         std::process::exit(0);
     }
+    if matches.opt_present("V") {
+        eprintln!("agate {}", env!("CARGO_PKG_VERSION"));
+        std::process::exit(0);
+    }
     let mut hostnames = vec![];
     for s in matches.opt_strs("hostname") {
         hostnames.push(Host::parse(&s)?);