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-[[package]] -name = "windows_x86_64_msvc" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec" diff --git a/Cargo.toml b/Cargo.toml index 9918e33..347b0bc 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -3,25 +3,10 @@ name = "microfetch" version = "0.3.5" edition = "2021" -[lib] -name = "microfetch_lib" -path = "src/lib.rs" - -[[bin]] -name = "microfetch" -path = "src/main.rs" - [dependencies] nix = { version = "0.29", features = ["fs", "hostname", "feature"] } color-eyre = { version = "0.6", default-features = false } -[dev-dependencies] -criterion = "0.5" - -[[bench]] -name = "benchmark" -harness = false - [profile.dev] opt-level = 3 diff --git a/README.md b/README.md index d1fb3ca..88d7d39 100644 --- a/README.md +++ b/README.md @@ -70,12 +70,6 @@ there is. The only downside of using Rust is introducing more "bloated" dependency trees and increasing build times. The latter is easily mitigated with Nix's binary cache, though._ -[Criterion.rs]: https://github.com/bheisler/criterion.rs -[Getting Started Guide]: https://bheisler.github.io/criterion.rs/book/getting_started.html - -To benchmark individual functions, [Criterion.rs] is used. See Criterion's -[Getting Started Guide] for details or just run `cargo bench` to benchmark -all features of Microfetch ## Customizing You can't\*. diff --git a/benches/benchmark.rs b/benches/benchmark.rs deleted file mode 100644 index 7706617..0000000 --- a/benches/benchmark.rs +++ /dev/null @@ -1,27 +0,0 @@ -use criterion::{criterion_group, criterion_main, Criterion}; -use microfetch_lib::colors::print_dots; -use microfetch_lib::desktop::get_desktop_info; -use microfetch_lib::release::{get_os_pretty_name, get_system_info}; -use microfetch_lib::system::{ - get_memory_usage, get_root_disk_usage, get_shell, get_username_and_hostname, -}; -use microfetch_lib::uptime::get_current; - -fn main_benchmark(c: &mut Criterion) { - let utsname = nix::sys::utsname::uname().expect("lol"); - c.bench_function("user_info", |b| { - b.iter(|| get_username_and_hostname(&utsname)) - }); - c.bench_function("os_name", |b| b.iter(get_os_pretty_name)); - c.bench_function("kernel_version", |b| b.iter(|| get_system_info(&utsname))); - c.bench_function("shell", |b| b.iter(get_shell)); - - c.bench_function("desktop", |b| b.iter(get_desktop_info)); - c.bench_function("uptime", |b| b.iter(get_current)); - c.bench_function("memory_usage", |b| b.iter(get_memory_usage)); - c.bench_function("storage", |b| b.iter(get_root_disk_usage)); - c.bench_function("colors", |b| b.iter(print_dots)); -} - -criterion_group!(benches, main_benchmark); -criterion_main!(benches); diff --git a/nix/shell.nix b/nix/shell.nix index 2350dbd..5efe65c 100644 --- a/nix/shell.nix +++ b/nix/shell.nix @@ -7,7 +7,6 @@ rustc, gcc, rustPlatform, - gnuplot, }: mkShell { strictDeps = true; @@ -20,8 +19,6 @@ mkShell { rust-analyzer-unwrapped rustfmt clippy - - gnuplot # For Criterion.rs plots ]; env.RUST_SRC_PATH = "${rustPlatform.rustLibSrc}"; diff --git a/src/desktop.rs b/src/desktop.rs index f35cd2a..bf0da35 100644 --- a/src/desktop.rs +++ b/src/desktop.rs @@ -1,13 +1,21 @@ pub fn get_desktop_info() -> String { + fn capitalize_first_letter(s: &str) -> String { + if s.is_empty() { + return String::new(); + } + + let mut chars = s.chars(); + let first_char = chars.next().unwrap().to_uppercase().to_string(); + let rest: String = chars.collect(); + first_char + &rest + } + // Retrieve the environment variables and handle Result types let desktop_env = std::env::var("XDG_CURRENT_DESKTOP"); let display_backend_result = std::env::var("XDG_SESSION_TYPE"); // Capitalize the first letter of the display backend value - let mut display_backend = display_backend_result.unwrap_or_default(); - if let Some(c) = display_backend.as_mut_str().get_mut(0..1) { - c.make_ascii_uppercase(); - } + let display_backend = capitalize_first_letter(display_backend_result.as_deref().unwrap_or("")); // Trim "none+" from the start of desktop_env if present // Use "Unknown" if desktop_env is empty or has an error @@ -18,11 +26,10 @@ pub fn get_desktop_info() -> String { // Handle the case where display_backend might be empty after capitalization let display_backend = if display_backend.is_empty() { - "Unknown" + "Unknown".to_string() } else { - &display_backend - } - .to_string(); + display_backend + }; format!("{desktop_env} ({display_backend})") } diff --git a/src/lib.rs b/src/lib.rs deleted file mode 100644 index 4ba33f8..0000000 --- a/src/lib.rs +++ /dev/null @@ -1,5 +0,0 @@ -pub mod colors; -pub mod desktop; -pub mod release; -pub mod system; -pub mod uptime; diff --git a/src/main.rs b/src/main.rs index 3da592e..aace49d 100644 --- a/src/main.rs +++ b/src/main.rs @@ -4,8 +4,6 @@ mod release; mod system; mod uptime; -use std::io::Write; - use crate::colors::{print_dots, BLUE, CYAN, RESET}; use crate::desktop::get_desktop_info; use crate::release::{get_os_pretty_name, get_system_info}; @@ -17,11 +15,10 @@ use color_eyre::Report; fn main() -> Result<(), Report> { color_eyre::install()?; - let utsname = nix::sys::utsname::uname()?; let fields = Fields { - user_info: get_username_and_hostname(&utsname), + user_info: get_username_and_hostname(), os_name: get_os_pretty_name()?, - kernel_version: get_system_info(&utsname)?, + kernel_version: get_system_info()?, shell: get_shell(), desktop: get_desktop_info(), uptime: get_current()?, @@ -64,7 +61,7 @@ fn print_system_info(fields: &Fields) { colors, } = fields; - let _ = std::io::stdout().write_all(format!( + println!( " {CYAN} ▟█▖ {BLUE}▝█▙ ▗█▛ {user_info} ~{RESET} {CYAN} ▗▄▄▟██▄▄▄▄▄{BLUE}▝█▙█▛ {CYAN}▖ {CYAN} {BLUE}System{RESET}  {os_name} @@ -74,6 +71,5 @@ 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} -").as_bytes()); + {CYAN} ▟█▘ ▜█▖ {BLUE}▝█▛ {CYAN} {BLUE}Colors{RESET}  {colors}"); } diff --git a/src/release.rs b/src/release.rs index 7600d0e..4c6a9b8 100644 --- a/src/release.rs +++ b/src/release.rs @@ -1,11 +1,9 @@ use color_eyre::Result; -use nix::sys::utsname::UtsName; -use std::{ - fs::File, - io::{self, Read}, -}; +use std::fs::read_to_string; +use std::io; -pub fn get_system_info(utsname: &UtsName) -> nix::Result { +pub fn get_system_info() -> nix::Result { + let utsname = nix::sys::utsname::uname()?; Ok(format!( "{} {} ({})", utsname.sysname().to_str().unwrap_or("Unknown"), @@ -15,13 +13,15 @@ pub fn get_system_info(utsname: &UtsName) -> nix::Result { } pub fn get_os_pretty_name() -> Result { - let mut os_release_content = String::with_capacity(1024); - File::open("/etc/os-release")?.read_to_string(&mut os_release_content)?; - + let os_release_content = read_to_string("/etc/os-release")?; let pretty_name = os_release_content .lines() .find(|line| line.starts_with("PRETTY_NAME=")) - .map(|line| line.trim_start_matches("PRETTY_NAME=").trim_matches('"')); + .map(|line| { + line.trim_start_matches("PRETTY_NAME=") + .trim_matches('"') + .to_string() + }); - Ok(pretty_name.unwrap_or("Unknown").to_string()) + Ok(pretty_name.unwrap_or("Unknown".to_string())) } diff --git a/src/system.rs b/src/system.rs index 74d774f..964aec1 100644 --- a/src/system.rs +++ b/src/system.rs @@ -1,21 +1,15 @@ use color_eyre::Result; -use nix::sys::{statvfs::statvfs, utsname::UtsName}; +use nix::sys::statvfs::statvfs; -use std::{ - env, - fs::File, - io::{self, Read}, -}; +use std::env; +use std::io::{self}; use crate::colors::{CYAN, GREEN, RED, RESET, YELLOW}; -pub fn get_username_and_hostname(utsname: &UtsName) -> String { +pub fn get_username_and_hostname() -> String { let username = env::var("USER").unwrap_or("unknown_user".to_string()); - let hostname = utsname - .nodename() - .to_str() - .unwrap_or("unknown_host") - .to_string(); + let hostname = nix::unistd::gethostname().unwrap_or("unknown_host".to_string().into()); + let hostname = hostname.to_string_lossy(); format!("{YELLOW}{username}{RED}@{GREEN}{hostname}") } @@ -51,20 +45,13 @@ pub fn get_memory_usage() -> Result { let mut total_memory_kb = 0.0; let mut available_memory_kb = 0.0; - let mut meminfo = String::with_capacity(2048); - File::open("/proc/meminfo")?.read_to_string(&mut meminfo)?; - - for line in meminfo.lines() { + for line in std::fs::read_to_string("/proc/meminfo")?.lines() { let mut split = line.split_whitespace(); - match split.next().unwrap_or_default() { - "MemTotal:" => total_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0), - "MemAvailable:" => { - available_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0); - - // MemTotal comes before MemAvailable, stop parsing - break; - } - _ => (), + let key = split.next().unwrap_or(""); + if key == "MemTotal:" { + total_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0); + } else if key == "MemAvailable:" { + available_memory_kb = split.next().unwrap_or("0").parse().unwrap_or(0.0); } }