Fix distro overriding

crates/hyfetch/src/bin/hyfetch.rs

@@ -15,7 +15,7 @@ fn main() -> Result<()> {
     if options.test_print {
         println!(
             "{}",
-            get_distro_ascii(None).context("Failed to get distro ascii")?
+            get_distro_ascii(options.distro.as_ref()).context("Failed to get distro ascii")?
         );
         return Ok(());
     }

crates/hyfetch/src/cli_options.rs

@@ -23,7 +23,7 @@ pub struct Options {
     pub colors_use_overlay: bool,
     pub june: bool,
     pub debug: bool,
-    pub test_distro: Option<String>,
+    pub distro: Option<String>,
     pub ascii_file: Option<PathBuf>,
     pub test_print: bool,
     pub ask_exit: bool,
@@ -103,7 +103,7 @@ BACKEND={{{}}}",
         .help("Test for a specific distro")
         .argument("DISTRO")
         .optional();
-    let test_distro = construct!([distro, test_distro]);
+    let distro = construct!([distro, test_distro]);
     let ascii_file = long("ascii-file")
         .help("Use a specific file for the ascii art")
         .argument("ASCII_FILE");
@@ -131,7 +131,7 @@ BACKEND={{{}}}",
         colors_use_overlay,
         june,
         debug,
-        test_distro,
+        distro,
         ascii_file,
         // hidden
         test_print,

crates/hyfetch/src/neofetch_util.rs

@@ -1,3 +1,4 @@
+use std::borrow::Cow;
 use std::ffi::OsStr;
 #[cfg(unix)]
 use std::os::unix::process::ExitStatusExt as _;
@@ -44,16 +45,21 @@ pub fn get_command_path() -> Result<PathBuf> {
     Err(anyhow!("neofetch command not found"))
 }
 
+/// Gets the distro ascii of the current distro. Or if distro is specified, get
+/// the specific distro's ascii art instead.
 #[tracing::instrument(level = "debug")]
-pub fn get_distro_ascii(distro: Option<String>) -> Result<String> {
-    // TODO
-
-    let distro = if let Some(distro) = distro {
-        distro
+pub fn get_distro_ascii<S>(distro: Option<S>) -> Result<String>
+where
+    S: AsRef<str> + fmt::Debug,
+{
+    let distro: Cow<_> = if let Some(distro) = distro.as_ref() {
+        distro.as_ref().into()
     } else {
-        get_distro_name().context("Failed to get distro name")?
+        get_distro_name()
+            .context("Failed to get distro name")?
+            .into()
     };
-    debug!(distro, "resolved distro name");
+    debug!(%distro, "distro name");
 
     todo!()
 }