perf: preset multi spotter only updates sizes for folders to cut memory usage

yazi-binding/src/calculator.rs

@@ -1,6 +1,6 @@
-use mlua::{IntoLuaMulti, UserData, UserDataMethods, Value};
+use mlua::{IntoLuaMulti, UserData, UserDataFields, UserDataMethods, Value};
 
-use crate::Error;
+use crate::{Cha, Error};
 
 pub enum SizeCalculator {
 	Local(yazi_fs::provider::local::SizeCalculator),
@@ -8,11 +8,20 @@ pub enum SizeCalculator {
 }
 
 impl UserData for SizeCalculator {
+	fn add_fields<F: UserDataFields<Self>>(fields: &mut F) {
+		fields.add_field_method_get("cha", |_, me| {
+			Ok(Cha(match me {
+				Self::Local(c) => c.cha(),
+				Self::Remote(c) => c.cha(),
+			}))
+		});
+	}
+
 	fn add_methods<M: UserDataMethods<Self>>(methods: &mut M) {
 		methods.add_async_method_mut("recv", |lua, mut me, ()| async move {
 			let next = match &mut *me {
-				Self::Local(it) => it.next().await,
-				Self::Remote(it) => it.next().await,
+				Self::Local(c) => c.next().await,
+				Self::Remote(c) => c.next().await,
 			};
 
 			match next {

yazi-boot/src/actions/debug.rs

@@ -16,6 +16,7 @@ impl Actions {
 		writeln!(s, "    Debug    : {}", cfg!(debug_assertions))?;
 		writeln!(s, "    Triple   : {}", Self::triple())?;
 		writeln!(s, "    Rustc    : {}", Self::rustc())?;
+		writeln!(s, "    Backtrace: {:?}", env::var_os("RUST_BACKTRACE"))?;
 
 		writeln!(s, "\nYa")?;
 		writeln!(s, "    Version: {}", Self::process_output("ya", "--version"))?;

yazi-fs/src/provider/local/calculator.rs

@@ -3,29 +3,37 @@ use std::{collections::VecDeque, future::poll_fn, io, mem, path::{Path, PathBuf}
 use either::Either;
 use tokio::task::JoinHandle;
 
+use crate::cha::Cha;
+
 type Task = Either<PathBuf, std::fs::ReadDir>;
 
 pub enum SizeCalculator {
-	Idle((VecDeque<Task>, Option<u64>)),
-	Pending(JoinHandle<(VecDeque<Task>, Option<u64>)>),
+	Idle((VecDeque<Task>, Option<u64>), Cha),
+	Pending(JoinHandle<(VecDeque<Task>, Option<u64>)>, Cha),
 }
 
 impl SizeCalculator {
 	pub async fn new(path: &Path) -> io::Result<Self> {
 		let p = path.to_owned();
 		tokio::task::spawn_blocking(move || {
-			let meta = std::fs::symlink_metadata(&p)?;
-			if !meta.is_dir() {
-				return Ok(Self::Idle((VecDeque::new(), Some(meta.len()))));
+			let cha = Cha::new(p.file_name().unwrap_or_default(), std::fs::symlink_metadata(&p)?);
+			if !cha.is_dir() {
+				return Ok(Self::Idle((VecDeque::new(), Some(cha.len)), cha));
 			}
 
 			let mut buf = VecDeque::from([Either::Right(std::fs::read_dir(&p)?)]);
 			let size = Self::next_chunk(&mut buf);
-			Ok(Self::Idle((buf, size)))
+			Ok(Self::Idle((buf, size), cha))
 		})
 		.await?
 	}
 
+	pub fn cha(&self) -> Cha {
+		match *self {
+			Self::Idle(_, cha) | Self::Pending(_, cha) => cha,
+		}
+	}
+
 	pub async fn total(path: &Path) -> io::Result<u64> {
 		let mut it = Self::new(path).await?;
 		let mut total = 0;
@@ -39,7 +47,7 @@ impl SizeCalculator {
 		poll_fn(|cx| {
 			loop {
 				match self {
-					Self::Idle((buf, size)) => {
+					Self::Idle((buf, size), cha) => {
 						if let Some(s) = size.take() {
 							return Poll::Ready(Ok(Some(s)));
 						} else if buf.is_empty() {
@@ -47,13 +55,16 @@ impl SizeCalculator {
 						}
 
 						let mut buf = mem::take(buf);
-						*self = Self::Pending(tokio::task::spawn_blocking(move || {
+						*self = Self::Pending(
+							tokio::task::spawn_blocking(move || {
 								let size = Self::next_chunk(&mut buf);
 								(buf, size)
-						}));
+							}),
+							*cha,
+						);
 					}
-					Self::Pending(handle) => {
-						*self = Self::Idle(ready!(Pin::new(handle).poll(cx))?);
+					Self::Pending(handle, cha) => {
+						*self = Self::Idle(ready!(Pin::new(handle).poll(cx))?, *cha);
 					}
 				}
 			}

yazi-plugin/preset/plugins/folder.lua

@@ -55,7 +55,7 @@ function M:spot(job)
 
 	local url = job.file.url
 	local it = fs.calc_size(url)
-	while true do
+	while it do
 		local next = it:recv()
 		if next then
 			self.size = self.size + next

yazi-plugin/preset/plugins/multi.lua

@@ -14,13 +14,15 @@ function M:spot(job)
 
 	for _, u in ipairs(self.selected) do
 		local it, size = fs.calc_size(u), 0
-		while true do
+		while it do
 			local next = it:recv()
 			if next then
 				size, self.sum = size + next, self.sum + next
 				self:spot_multi(job, false)
+			elseif it.cha.is_dir then
+				self.sizes[u] = size
+				break
 			else
-				self.sizes[u], size = size, 0
 				break
 			end
 		end

yazi-vfs/src/provider/calculator.rs

@@ -1,14 +1,14 @@
 use std::{collections::VecDeque, io, time::{Duration, Instant}};
 
 use either::Either;
-use yazi_fs::provider::{DirReader, FileHolder};
+use yazi_fs::{cha::Cha, provider::{DirReader, FileHolder}};
 use yazi_shared::url::{AsUrl, UrlBuf};
 
 use super::ReadDir;
 
 pub enum SizeCalculator {
-	File(Option<u64>),
-	Dir(VecDeque<Either<UrlBuf, ReadDir>>),
+	File(Option<u64>, Cha),
+	Dir(VecDeque<Either<UrlBuf, ReadDir>>, Cha),
 }
 
 impl SizeCalculator {
@@ -19,12 +19,18 @@ impl SizeCalculator {
 		let url = url.as_url();
 		let cha = super::symlink_metadata(url).await?;
 		Ok(if cha.is_dir() {
-			Self::Dir(VecDeque::from([Either::Left(url.to_owned())]))
+			Self::Dir(VecDeque::from([Either::Left(url.to_owned())]), cha)
 		} else {
-			Self::File(Some(cha.len))
+			Self::File(Some(cha.len), cha)
 		})
 	}
 
+	pub fn cha(&self) -> Cha {
+		match *self {
+			Self::File(_, cha) | Self::Dir(_, cha) => cha,
+		}
+	}
+
 	pub async fn total<U>(url: U) -> io::Result<u64>
 	where
 		U: AsUrl,
@@ -39,8 +45,8 @@ impl SizeCalculator {
 
 	pub async fn next(&mut self) -> io::Result<Option<u64>> {
 		Ok(match self {
-			Self::File(size) => size.take(),
-			Self::Dir(buf) => Self::next_chunk(buf).await,
+			Self::File(size, _) => size.take(),
+			Self::Dir(buf, _) => Self::next_chunk(buf).await,
 		})
 	}