Version: New version

User reported this unwrap could fail, so log an error instead of using a
naked unwrap.

Cargo.lock

@@ -68,12 +68,6 @@ dependencies = [
  "regex-automata",
 ]
 
-[[package]]
-name = "cc"
-version = "1.0.73"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -124,12 +118,6 @@ dependencies = [
  "toml",
 ]
 
-[[package]]
-name = "core-foundation-sys"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
-
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.6"
@@ -222,7 +210,6 @@ dependencies = [
  "regex",
  "serde",
  "stfu8",
- "sysinfo",
  "tempfile",
  "terminal_size",
  "thousands",
@@ -335,15 +322,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "ntapi"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c28774a7fd2fbb4f0babd8237ce554b73af68021b5f695a3cebd6c59bac0980f"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "num_cpus"
 version = "1.13.1"
@@ -540,23 +518,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "sysinfo"
-version = "0.15.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de94457a09609f33fec5e7fceaf907488967c6c7c75d64da6a7ce6ffdb8b5abd"
-dependencies = [
- "cc",
- "cfg-if",
- "core-foundation-sys",
- "doc-comment",
- "libc",
- "ntapi",
- "once_cell",
- "rayon",
- "winapi",
-]
-
 [[package]]
 name = "tempfile"
 version = "3.3.0"

Cargo.toml

@@ -39,7 +39,6 @@ regex = "1"
 config-file = "0.2"
 serde = { version = "1.0", features = ["derive"] }
 directories = "4"
-sysinfo = "0.15"
 
 [target.'cfg(windows)'.dependencies]
 winapi-util = "0.1"

src/main.rs

@@ -12,7 +12,6 @@ mod utils;
 use crate::cli::build_cli;
 use std::collections::HashSet;
 use std::process;
-use sysinfo::{System, SystemExt};
 
 use self::display::draw_it;
 use clap::Values;
@@ -20,7 +19,6 @@ use config::get_config;
 use dir_walker::{walk_it, WalkData};
 use filter::get_biggest;
 use filter_type::get_all_file_types;
-use rayon::ThreadPoolBuildError;
 use regex::Regex;
 use std::cmp::max;
 use std::path::PathBuf;
@@ -156,7 +154,11 @@ fn main() {
         by_filecount,
         ignore_hidden: config.get_ignore_hidden(&options),
     };
-    let _rayon = init_rayon();
+    // Larger stack size to handle cases with lots of nested directories
+    rayon::ThreadPoolBuilder::new()
+        .stack_size(usize::pow(1024, 3))
+        .build_global()
+        .unwrap_or_else(|e| eprintln!("Warning: Could not configure threads {:?}", e));
 
     let iso = config.get_iso(&options);
     let (top_level_nodes, has_errors) = walk_it(simplified_dirs, walk_data);
@@ -189,19 +191,3 @@ fn main() {
         )
     }
 }
-
-fn init_rayon() -> Result<(), ThreadPoolBuildError> {
-    let large_stack = usize::pow(1024, 3);
-    // Warning: Creating System is slow, takes ~ 100ms
-    let s = System::new();
-    let available = s.get_available_memory() * 1024;
-
-    if available > large_stack.try_into().unwrap() {
-        // Larger stack size to handle cases with lots of nested directories
-        rayon::ThreadPoolBuilder::new()
-            .stack_size(large_stack)
-            .build_global()
-    } else {
-        Ok(())
-    }
-}