Cargo.toml

@@ -4,7 +4,7 @@ version = "0.3.3"
 edition = "2021"
 
 [dependencies]
-nix = { version = "0.29", features = ["fs", "hostname", "feature"] }
+nix = {version = "0.29", features = ["fs", "hostname"]}
 color-eyre = { version = "0.6", default-features = false }
 
 [profile.dev]

src/main.rs

@@ -16,40 +16,43 @@ use nix::sys::sysinfo::sysinfo;
 fn main() -> Result<(), Report> {
     color_eyre::install()?;
 
-    let fields = Fields {
+    let user_info = get_username_and_hostname()?;
-        user_info: get_username_and_hostname()?,
+    let os_name = get_os_pretty_name()?;
-        os_name: get_os_pretty_name()?,
+    let kernel_version = get_system_info()?;
-        kernel_version: get_system_info()?,
+    let shell = get_shell()?;
-        shell: get_shell()?,
+    let uptime = get_current()?;
-        uptime: get_current()?,
+    let window_manager = get_desktop_info()?;
-        window_manager: get_desktop_info()?,
+    let sys_info = sysinfo()?;
-        memory_usage: get_memory_usage(sysinfo()?),
+    let memory_usage = get_memory_usage(sys_info);
-        storage: get_root_disk_usage()?,
+    let storage = get_root_disk_usage()?;
-        colors: print_dots()?,
+    let colors = print_dots()?;
-    };
 
-    print_system_info(&fields);
+    print_system_info(
+        &user_info,
+        &os_name,
+        &kernel_version,
+        &shell,
+        &uptime,
+        &window_manager,
+        &memory_usage,
+        &storage,
+        &colors,
+    );
 
     Ok(())
 }
 
-// Struct to hold all the fields we need to print
+fn print_system_info(
-// helps avoid clippy warnings about argument count
+    user_info: &str,
-// and makes it easier to pass around, though its
+    os_name: &str,
-// not like we need to
+    kernel_version: &str,
-struct Fields {
+    shell: &str,
-    user_info: String,
+    uptime: &str,
-    os_name: String,
+    window_manager: &str,
-    kernel_version: String,
+    memory_usage: &str,
-    shell: String,
+    storage: &str,
-    uptime: String,
+    colors: &str,
-    window_manager: String,
+) {
-    memory_usage: String,
-    storage: String,
-    colors: String,
-}
-
-fn print_system_info(fields: &Fields) {
     println!(
         "
  {CYAN}     ▟█▖    {BLUE}▝█▙ ▗█▛          {user_info} ~{RESET}
@@ -61,15 +64,6 @@ fn print_system_info(fields: &Fields) {
  {BLUE}  ▝█▛  {CYAN}██▖{BLUE}▗▄▄▄▄▄▄▄▄▄▄▄       {CYAN}󰍛  {BLUE}Memory{RESET}        {memory_usage}
  {BLUE}   ▝  {CYAN}▟█▜█▖{BLUE}▀▀▀▀▀██▛▀▀▘       {CYAN}󱥎  {BLUE}Storage (/){RESET}   {storage}
  {CYAN}     ▟█▘ ▜█▖    {BLUE}▝█▛          {CYAN}  {BLUE}Colors{RESET}        {colors}
-",
+    "
-        user_info = fields.user_info,
-        os_name = fields.os_name,
-        kernel_version = fields.kernel_version,
-        shell = fields.shell,
-        uptime = fields.uptime,
-        window_manager = fields.window_manager,
-        memory_usage = fields.memory_usage,
-        storage = fields.storage,
-        colors = fields.colors,
     );
 }

src/release.rs

@@ -1,15 +1,30 @@
 use color_eyre::Result;
-use std::fs::read_to_string;
+use std::fs::{self, read_to_string};
 use std::io;
 
-pub fn get_system_info() -> nix::Result<String> {
+// Try to detect OS type as accurately as possible and without depending on uname.
-    let utsname = nix::sys::utsname::uname()?;
+// /etc/os-release should generally imply Linux, and /etc/bsd-release would imply BSD system.
-    Ok(format!(
+fn detect_os() -> Result<&'static str, io::Error> {
-        "{} {} ({})",
+    if fs::metadata("/etc/os-release").is_ok() || fs::metadata("/usr/lib/os-release").is_ok() {
-        utsname.sysname().to_str().unwrap_or("Unknown"),
+        Ok("Linux")
-        utsname.release().to_str().unwrap_or("Unknown"),
+    } else if fs::metadata("/etc/rc.conf").is_ok() || fs::metadata("/etc/bsd-release").is_ok() {
-        utsname.machine().to_str().unwrap_or("Unknown")
+        Ok("BSD")
-    ))
+    } else {
+        Ok("Unknown")
+    }
+}
+
+pub fn get_system_info() -> Result<String, io::Error> {
+    let system = detect_os()?;
+
+    let kernel_release = read_to_string("/proc/sys/kernel/osrelease")?;
+    let kernel_release = kernel_release.trim();
+
+    let architecture = read_to_string("/proc/sys/kernel/arch")?;
+    let architecture = architecture.trim();
+
+    let result = format!("{system} {kernel_release} ({architecture})");
+    Ok(result)
 }
 
 pub fn get_os_pretty_name() -> Result<String, io::Error> {