From 2abaebd602a528ee86558ee6a20189186499d4f7 Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Thu, 17 Sep 2020 03:51:34 +0200
Subject: main.rs: Add version command line option

---
 src/main.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index dd2da1c..c231d90 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,6 +14,7 @@ fn main() {
 
     let mut opts = Options::new();
     opts.optflag("h", "help", "print this help menu");
+    opts.optflag("V", "version", "show the program version");
 
     let matches = match opts.parse(&args[1..]) {
         Ok(m) => m,
@@ -28,6 +29,11 @@ fn main() {
         process::exit(exitcode::USAGE);
     }
 
+    if matches.opt_present("V") {
+        println!("{}", env!("CARGO_PKG_VERSION"));
+        process::exit(exitcode::OK);
+    }
+
     let repo = match Repository::open(".") {
         Ok(r) => r,
         Err(e) => {
-- 
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