refactor: clean up a few things

I've decided to keep lazy_static for now as std::sync::LazyLock seems to
have a slightly bigger impact on binary size.

src/colors.rs

@@ -12,8 +12,8 @@ pub struct Colors {
 
 impl Colors {
     const fn new(is_no_color: bool) -> Self {
-        match is_no_color {
-            true => Self {
+        if is_no_color {
+            Self {
                 reset: "",
                 blue: "",
                 cyan: "",
@@ -21,8 +21,9 @@ impl Colors {
                 yellow: "",
                 red: "",
                 magenta: "",
-            },
-            false => Self {
+            }
+        } else {
+            Self {
                 reset: "\x1b[0m",
                 blue: "\x1b[34m",
                 cyan: "\x1b[36m",
@@ -30,7 +31,7 @@ impl Colors {
                 yellow: "\x1b[33m",
                 red: "\x1b[31m",
                 magenta: "\x1b[35m",
-            },
+            }
         }
     }
 }

src/main.rs

@@ -9,7 +9,7 @@ use crate::desktop::get_desktop_info;
 use crate::release::{get_os_pretty_name, get_system_info};
 use crate::system::{get_memory_usage, get_root_disk_usage, get_shell, get_username_and_hostname};
 use crate::uptime::get_current;
-use std::io::Write;
+use std::io::{Write, stdout};
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     let args: Vec<String> = std::env::args().collect();
@@ -20,7 +20,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         let fields = Fields {
             user_info: get_username_and_hostname(&utsname),
             os_name: get_os_pretty_name()?,
-            kernel_version: get_system_info(&utsname)?,
+            kernel_version: get_system_info(&utsname),
             shell: get_shell(),
             desktop: get_desktop_info(),
             uptime: get_current()?,
@@ -77,10 +77,9 @@ fn print_system_info(fields: &Fields) {
     {blue}   ▟█▛{cyan}▗█▖       {cyan}▟█▛          {cyan}  {blue}Desktop{reset}       {desktop}
     {blue}  ▝█▛  {cyan}██▖{blue}▗▄▄▄▄▄▄▄▄▄▄▄       {cyan}  {blue}Memory{reset}        {memory_usage}
     {blue}   ▝  {cyan}▟█▜█▖{blue}▀▀▀▀▀██▛▀▀▘       {cyan}󱥎  {blue}Storage (/){reset}   {storage}
-    {cyan}     ▟█▘ ▜█▖    {blue}▝█▛          {cyan}  {blue}Colors{reset}        {colors}");
+    {cyan}     ▟█▘ ▜█▖    {blue}▝█▛          {cyan}  {blue}Colors{reset}        {colors}\n");
 
-    std::io::stdout()
-        .lock()
-        .write_all(format!("{}\n", system_info).as_bytes())
+    stdout()
+        .write_all(system_info.as_bytes())
         .expect("Failed to write to stdout");
 }

src/release.rs

@@ -4,13 +4,13 @@ use std::{
     io::{self, BufRead, BufReader},
 };
 
-pub fn get_system_info(utsname: &UtsName) -> nix::Result<String> {
-    Ok(format!(
+pub fn get_system_info(utsname: &UtsName) -> String {
+    format!(
         "{} {} ({})",
         utsname.sysname().to_str().unwrap_or("Unknown"),
         utsname.release().to_str().unwrap_or("Unknown"),
         utsname.machine().to_str().unwrap_or("Unknown")
-    ))
+    )
 }
 
 pub fn get_os_pretty_name() -> Result<String, io::Error> {

src/system.rs

@@ -49,7 +49,6 @@ pub fn get_root_disk_usage() -> Result<String, io::Error> {
 }
 
 pub fn get_memory_usage() -> Result<String, io::Error> {
-    #[inline(always)]
     fn parse_memory_info() -> Result<(f64, f64), io::Error> {
         let mut total_memory_kb = 0.0;
         let mut available_memory_kb = 0.0;