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speeding it up

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This commit is contained in:
raf 2024-08-04 12:44:12 +03:00
commit 81cdc0a281
Signed by: NotAShelf
GPG key ID: AF26552424E53993
5 changed files with 24 additions and 70 deletions
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29
src/release.rs
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@ -1,38 +1,27 @@
use color_eyre::Result;
use std::fs::{self, read_to_string};
use std::io::{self, Read};
use std::io;
// Try to detect OS type as accurately as possible and without depending on uname.
// /etc/os-release should generally imply Linux, and /etc/bsd-release would imply BSD system.
fn detect_os() -> Result<String, io::Error> {
fn detect_os() -> Result<&'static str, io::Error> {
if fs::metadata("/etc/os-release").is_ok() || fs::metadata("/usr/lib/os-release").is_ok() {
Ok("Linux".to_string())
Ok("Linux")
} else if fs::metadata("/etc/rc.conf").is_ok() || fs::metadata("/etc/bsd-release").is_ok() {
Ok("BSD".to_string())
Ok("BSD")
} else {
Ok("Unknown".to_string())
Ok("Unknown")
}
}
fn get_architecture() -> Result<String, io::Error> {
// Read architecture from /proc/sys/kernel/arch
let mut arch = String::new();
fs::File::open("/proc/sys/kernel/arch")?.read_to_string(&mut arch)?;
let arch = arch.trim().to_string();
Ok(arch)
}
pub fn get_system_info() -> Result<String, io::Error> {
let system = detect_os()?;
let mut kernel_release = String::new();
fs::File::open("/proc/sys/kernel/osrelease")?.read_to_string(&mut kernel_release)?;
let kernel_release = kernel_release.trim().to_string();
let kernel_release = read_to_string("/proc/sys/kernel/osrelease")?;
let kernel_release = kernel_release.trim();
let mut cpuinfo = String::new();
fs::File::open("/proc/cpuinfo")?.read_to_string(&mut cpuinfo)?;
let architecture = get_architecture()?;
let architecture = read_to_string("/proc/sys/kernel/arch")?;
let architecture = architecture.trim();
let result = format!("{system} {kernel_release} ({architecture})");
Ok(result)