refactor: switch to argv for argument handling

Cargo.lock

@@ -26,6 +26,12 @@ version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08f9b8508dccb7687a1d6c4ce66b2b0ecef467c94667de27d8d7fe1f8d2a9cdc"
 
+[[package]]
+name = "argv"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "593b6306f88ed573d52d5d07e309317f1c5e95777bf559b2ddb33f50b7d1158d"
+
 [[package]]
 name = "assay"
 version = "0.1.1"
@@ -86,6 +92,7 @@ name = "clipboard-substitutor"
 version = "0.5.0"
 dependencies = [
  "anyhow",
+ "argv",
  "assay",
  "clipboard-master",
  "copypasta",

Cargo.toml

@@ -13,6 +13,7 @@ include = ["src/**/*", "LICENSE-*", "README.md"]
 
 [dependencies]
 anyhow = "1.0.57"
+argv = "0.1.5"
 clipboard-master = "3.1.3"
 copypasta = { version = "0.7.1", default-features = false, features = ["x11"] }
 dirs = "4.0.0"

src/main.rs

@@ -3,7 +3,6 @@ mod config;
 #[cfg(test)]
 mod test;
 
-use std::ops::Deref;
 use std::path::PathBuf;
 
 use anyhow::{anyhow, Result};
@@ -12,8 +11,6 @@ use dirs::config_dir;
 use crate::clipboard::monitor_clipboard;
 use crate::config::Replacements;
 
-const VERSION_ARGS: [&str; 3] = ["version", "-v", "--version"];
-
 fn main() -> Result<()> {
   if check_for_version_arg() {
     return Ok(());
@@ -28,9 +25,8 @@ fn main() -> Result<()> {
 }
 
 fn check_for_version_arg() -> bool {
-  let args: Vec<String> = std::env::args().collect();
-  for arg in args {
-    if VERSION_ARGS.contains(&arg.deref()) {
+  for arg in argv::iter() {
+    if arg == "-v" || arg == "version" || arg == "--version" {
       print_version();
       return true;
     }