exa/src/exa.rs

184 lines
6.1 KiB
Rust
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#![warn(trivial_casts, trivial_numeric_casts)]
#![warn(unused_results)]
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extern crate ansi_term;
extern crate datetime;
extern crate getopts;
extern crate glob;
extern crate libc;
extern crate locale;
extern crate natord;
extern crate num_cpus;
extern crate number_prefix;
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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extern crate scoped_threadpool;
extern crate term_grid;
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extern crate unicode_width;
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extern crate users;
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extern crate zoneinfo_compiled;
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#[cfg(feature="git")] extern crate git2;
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#[macro_use]
extern crate lazy_static;
use std::ffi::OsStr;
use std::io::{stderr, Write, Result as IOResult};
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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use std::path::{Component, Path};
use ansi_term::{ANSIStrings, Style};
use fs::{Dir, File};
use options::{Options, View, Mode};
pub use options::Misfire;
use output::{escape, lines};
mod fs;
mod info;
mod options;
mod output;
mod term;
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/// The main program wrapper.
pub struct Exa<'w, W: Write + 'w> {
/// List of command-line options, having been successfully parsed.
pub options: Options,
/// The output handle that we write to. When running the program normally,
/// this will be `std::io::Stdout`, but it can accept any struct thats
/// `Write` so we can write into, say, a vector for testing.
pub writer: &'w mut W,
/// List of the free command-line arguments that should correspond to file
/// names (anything that isnt an option).
pub args: Vec<String>,
}
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impl<'w, W: Write + 'w> Exa<'w, W> {
pub fn new<C>(args: C, writer: &'w mut W) -> Result<Exa<'w, W>, Misfire>
where C: IntoIterator, C::Item: AsRef<OsStr> {
Options::getopts(args).map(move |(options, args)| {
Exa { options, writer, args }
})
}
pub fn run(&mut self) -> IOResult<i32> {
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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let mut files = Vec::new();
let mut dirs = Vec::new();
let mut exit_status = 0;
// List the current directory by default, like ls.
if self.args.is_empty() {
self.args.push(".".to_owned());
}
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for file_name in &self.args {
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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match File::from_path(Path::new(&file_name), None) {
Err(e) => {
exit_status = 2;
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writeln!(stderr(), "{}: {}", file_name, e)?;
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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},
Ok(f) => {
if f.is_directory() && !self.options.dir_action.treat_dirs_as_files() {
match f.to_dir(self.options.should_scan_for_git()) {
Ok(d) => dirs.push(d),
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Err(e) => writeln!(stderr(), "{}: {}", file_name, e)?,
}
}
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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else {
files.push(f);
}
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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},
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}
}
// We want to print a directorys name before we list it, *except* in
// the case where its the only directory, *except* if there are any
// files to print as well. (Its a double negative)
let no_files = files.is_empty();
let is_only_dir = dirs.len() == 1 && no_files;
self.options.filter.filter_argument_files(&mut files);
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self.print_files(None, files)?;
self.print_dirs(dirs, no_files, is_only_dir, exit_status)
}
fn print_dirs(&mut self, dir_files: Vec<Dir>, mut first: bool, is_only_dir: bool, exit_status: i32) -> IOResult<i32> {
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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for dir in dir_files {
// Put a gap between directories, or between the list of files and
// the first directory.
if first {
first = false;
}
else {
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write!(self.writer, "\n")?;
}
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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if !is_only_dir {
let mut bits = Vec::new();
escape(dir.path.display().to_string(), &mut bits, Style::default(), Style::default());
writeln!(self.writer, "{}:", ANSIStrings(&bits))?;
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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}
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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let mut children = Vec::new();
for file in dir.files() {
match file {
Ok(file) => children.push(file),
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Err((path, e)) => writeln!(stderr(), "[{}: {}]", path.display(), e)?,
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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}
};
self.options.filter.filter_child_files(&mut children);
self.options.filter.sort_files(&mut children);
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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if let Some(recurse_opts) = self.options.dir_action.recurse_options() {
let depth = dir.path.components().filter(|&c| c != Component::CurDir).count() + 1;
if !recurse_opts.tree && !recurse_opts.is_too_deep(depth) {
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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let mut child_dirs = Vec::new();
for child_dir in children.iter().filter(|f| f.is_directory()) {
match child_dir.to_dir(false) {
Ok(d) => child_dirs.push(d),
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Err(e) => writeln!(stderr(), "{}: {}", child_dir.path.display(), e)?,
}
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}
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self.print_files(Some(&dir), children)?;
match self.print_dirs(child_dirs, false, false, exit_status) {
Ok(_) => (),
Err(e) => return Err(e),
}
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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continue;
}
Parallelise the details view! This commit removes the threadpool in `main.rs` that stats each command-line argument separately, and replaces it with a *scoped* threadpool in `options/details.rs` that builds the table in parallel! Running this on my machine halves the execution time when tree-ing my entire home directory (which isn't exactly a common occurrence, but it's the only way to give exa a large running time) The statting will be added back in parallel at a later stage. This was facilitated by the previous changes to recursion that made it easier to deal with. There's a lot of large sweeping architectural changes. Here's a smattering of them: - In `main.rs`, the files are now passed around as vectors of files rather than array slices of files. This is because `File`s aren't `Clone`, and the `Vec` is necessary to give away ownership of the files at the appropriate point. - In the details view, files are now sorted *all* the time, rather than obeying the command-line order. As they're run in parallel, they have no guaranteed order anyway, so we *have* to sort them again. (I'm not sure if this should be the intended behaviour or not!) This means that the `Details` struct has to have the filter *all* the time, not only while recursing, so it's been moved out of the `recurse` field. - We use `scoped_threadpool` over `threadpool`, a recent addition. It's only safely used on Nightly, which we're using anyway, so that's OK! - Removed a bunch of out-of-date comments. This also fixes #77, mainly by accident :)
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}
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self.print_files(Some(&dir), children)?;
}
Ok(exit_status)
}
/// Prints the list of files using whichever view is selected.
/// For various annoying logistical reasons, each one handles
/// printing differently...
fn print_files(&mut self, dir: Option<&Dir>, files: Vec<File>) -> IOResult<()> {
if !files.is_empty() {
let View { ref mode, colours, classify } = self.options.view;
match *mode {
Mode::Grid(ref g) => g.view(&files, self.writer, &colours, classify),
Mode::Details(ref d) => d.view(dir, files, self.writer, &colours, classify),
Mode::GridDetails(ref gd) => gd.view(dir, files, self.writer, &colours, classify),
Mode::Lines => lines::view(files, self.writer, &colours, classify),
}
}
else {
Ok(())
}
}
}