feat: add build information

Cargo.toml

@@ -5,6 +5,7 @@ edition = "2021"
 
 # for crates.io
 description = "Terminal command correction, alternative to thefuck written in Rust"
+homepage = "https://codeberg.org/iff/pay-respects"
 repository = "https://github.com/iffse/pay-respects"
 keywords = ["cli", "terminal", "utility", "shell"]
 categories = ["command-line-utilities"]

src/args.rs

@@ -13,6 +13,9 @@ pub fn handle_args() {
 			"-h" | "--help" => {
 				print_help();
 			}
+			"-v" | "--version" => {
+				print_version();
+			}
 			"-a" | "--alias" => {
 				if args.len() > index + 1 {
 					if args[index + 1].starts_with('-') {
@@ -57,3 +60,12 @@ fn print_help() {
 	);
 	std::process::exit(0);
 }
+
+fn print_version() {
+	println!("version: {}", option_env!("CARGO_PKG_VERSION").unwrap_or("unknown"));
+	println!("compile features:");
+	#[cfg(feature = "runtime-rules")] {
+		println!("  - runtime-rules");
+	}
+	std::process::exit(0);
+}

src/main.rs

@@ -90,6 +90,6 @@ fn main() {
 	eprintln!(
 		"{}\n{}",
 		t!("contribute"),
-		"https://github.com/iffse/pay-respects"
+		option_env!("CARGO_PKG_REPOSITORY").unwrap_or("https://github.com/iffse/pay-respects/")
 	);
 }