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fine-grained stdout

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TD-Sky 2023-08-14 18:55:55 +08:00 • committed by sxyazi
parent 789e955bd9
commit ec790dcad2
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1 changed files with 23 additions and 14 deletions
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31
core/src/manager/manager.rs
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@ -1,4 +1,4 @@
use std::{collections::{BTreeMap, BTreeSet, HashMap, HashSet}, env, ffi::OsStr, io::{stdout, Write}, mem, os::unix::prelude::OsStrExt, path::{Path, PathBuf}};
use std::{collections::{BTreeMap, BTreeSet, HashMap, HashSet}, env, ffi::OsStr, io::{stdout, BufWriter, Write}, mem, os::unix::prelude::OsStrExt, path::{Path, PathBuf}};
use anyhow::{bail, Error, Result};
use config::{open::Opener, BOOT, OPEN};
@ -281,9 +281,15 @@ impl Manager {
}
if todo.is_empty() {
return Ok(());
} else {
print!("Continue to rename? (y/N): ");
stdout().flush()?;
}
// NOTE: it's worth using two iterations for finer-grained stdout control
{
let mut stdout = BufWriter::new(stdout().lock());
for (o, n) in &todo {
writeln!(stdout, "{o:?} -> {n:?}")?;
}
write!(stdout, "Continue to rename? (y/N): ")?;
stdout.flush()?;
}
let mut buf = [0];
@ -294,23 +300,26 @@ impl Manager {
let mut failed = Vec::new();
for (o, n) in todo {
let (o, n) = root.as_ref().map(|root| (root.join(&o), root.join(&n))).unwrap_or((o, n));
if let Err(e) = fs::rename(&o, &n).await {
failed.push((o, n, e));
}
}
{
let mut stdout = BufWriter::new(stdout().lock());
if !failed.is_empty() {
Term::clear()?;
println!("Failed to rename:");
writeln!(stdout, "Failed to rename:")?;
for (o, n, e) in failed {
stdout().write_all(o.as_os_str().as_bytes())?;
stdout().write_all(b" -> ")?;
stdout().write_all(n.as_os_str().as_bytes())?;
stdout().write_fmt(format_args!(": {e}\n"))?;
writeln!(stdout, "{o:?} -> {n:?}: {e}")?;
}
write!(stdout, "\nPress ENTER to exit")?;
stdout.flush()?;
}
}
println!("\nPress ENTER to exit");
tokio::io::stdin().read_exact(&mut [0]).await?;
}
Ok(())
}