added version flag

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "remux"
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/help.rs

@@ -3,13 +3,14 @@ use std::process::exit;
 use pico_args::Arguments;
 
 use crate::error;
+use crate::VERSION;
 
 pub fn help(pargs: &mut Arguments) {
 	let topic = pargs.subcommand().unwrap();
 
 	match topic.as_deref() {
 		None => {
-			println!("remux v{}", env!("CARGO_PKG_VERSION"));
+			println!("remux v{VERSION}");
 			println!("Valerie Wolfe <sleeplessval@gmail.com>");
 			println!("A command wrapper for tmux written in Rust.\n");
 
@@ -96,3 +97,7 @@ pub fn help(pargs: &mut Arguments) {
 	}
 }
 
+pub fn version() {
+	println!("remux v{VERSION}");
+}
+

src/main.rs

@@ -7,16 +7,24 @@ mod error;
 mod help;
 mod util;
 
-use help::help;
+use help::{ help, version };
+
+static VERSION: &str = env!("CARGO_PKG_VERSION");
 
 fn main() {
 	let mut args = Arguments::from_env();
 
+
 	if args.contains(["-h", "--help"]) {
 		help(&mut args);
 		return;
 	}
 
+	if args.contains(["-v", "--version"]) {
+		version();
+		return;
+	}
+
 	if !stdout().is_terminal() { error::not_terminal(); }
 
 	let subcommand = args.subcommand().unwrap();