➕ add `directories` dep and `--version` subcommand

Cargo.lock

@@ -26,6 +26,26 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "directories"
+version = "4.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f51c5d4ddabd36886dd3e1438cb358cdcb0d7c499cb99cb4ac2e38e18b5cb210"
+dependencies = [
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03d86534ed367a67548dc68113a0f5db55432fdfbb6e6f9d77704397d95d5780"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.3"
@@ -56,6 +76,7 @@ dependencies = [
 name = "lookaround"
 version = "0.1.5"
 dependencies = [
+ "directories",
  "mac_address",
  "rand",
  "thiserror",
@@ -195,6 +216,25 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8383f39639269cde97d255a32bdb68c047337295414940c68bdd30c2e13203ff"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
+name = "redox_users"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "528532f3d801c87aec9def2add9ca802fe569e44a544afe633765267840abe64"
+dependencies = [
+ "getrandom",
+ "redox_syscall",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.82"

Cargo.toml

@@ -12,6 +12,7 @@ repository = "https://six-five-six-four.com/git/reactor/lookaround"
 version = "0.1.5"
 
 [dependencies]
+directories = "4.0.1"
 mac_address = "1.1.2"
 rand = "0.8.4"
 thiserror = "1.0.30"

src/app_common.rs

@@ -1,5 +1,7 @@
 use crate::prelude::*;
 
+pub const LOOKAROUND_VERSION: &'static str = env! ("CARGO_PKG_VERSION");
+
 #[derive (Debug, thiserror::Error)]
 pub enum AppError {
 	#[error (transparent)]

src/main.rs

@@ -28,6 +28,7 @@ async fn async_main () -> Result <(), AppError> {
 	
 	match subcommand.as_ref ().map (|x| &x[..]) {
 		None => return Err (CliArgError::MissingSubcommand.into ()),
+		Some ("--version") => println! ("lookaround v{}", LOOKAROUND_VERSION),
 		Some ("client") => client::client (args).await?,
 		Some ("find-nick") => client::find_nick (args).await?,
 		Some ("my-ips") => my_ips ()?,

src/prelude.rs

@@ -34,6 +34,7 @@ pub use tokio::{
 pub use crate::{
 	app_common::{
 		self,
+		LOOKAROUND_VERSION,
 		AppError,
 		CliArgError,
 		recv_msg_from,