some small code style optimizations

src/commands/current.rs

@@ -23,7 +23,7 @@ impl Command for Current {
         warning!("No version installed via goup");
         match exec(&["go", "version"]) {
             Ok(v) => println!("from system: {v}"),
-            Err(err) if matches!(err, cmd::errors::Error::NotFound) => {
+            Err(cmd::errors::Error::NotFound) => {
                 error!("no local go version found");
             }
             Err(err) => return Err(err.into()),

src/env/shared.rs

@@ -16,7 +16,7 @@ const CURRENT_VERSION_FILE: &str = ".current_version";
 pub fn get_env_vars(shell: &Shell) -> Result<String> {
     let path = std::env::var("PATH")?;
 
-    let vars = vec![
+    let vars = [
         (
             "PATH",
             shell.append_to_path(&path, &shell.path_to_string(get_current_bin_dir()?)?)?,

src/versions/mod.rs

@@ -1,4 +1,4 @@
-pub(self) mod parser;
+mod parser;
 
 mod version;
 pub use version::*;

src/versions/util.rs

@@ -42,7 +42,7 @@ fn get_upstream_versions_git() -> Result<Vec<Version>> {
 
     let res = match res {
         Ok(res) => res,
-        Err(err) if matches!(err, cmd::errors::Error::NotFound) => {
+        Err(cmd::errors::Error::NotFound) => {
             anyhow::bail!(
                 "Seems you don't have git installed on your system. Listing versions failed."
             )