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#![allow(dead_code)]
use std::io;
use std::path::Path;
use tokio::fs;
pub async fn create_dir_allow_existing(path: impl AsRef<Path>) -> io::Result<()> {
match fs::create_dir(path.as_ref()).await {
Ok(_) => Ok(()),
Err(e) => {
if e.kind() == io::ErrorKind::AlreadyExists {
match fs::metadata(path).await {
Ok(metadata) => {
if metadata.is_dir() {
Ok(())
} else {
Err(e)
}
}
Err(e) => Err(e),
}
} else {
Err(e)
}
}
}
}
pub async fn remove_file_allow_not_found(path: impl AsRef<Path>) -> io::Result<()> {
match fs::remove_file(path).await {
Ok(_) => Ok(()),
Err(e) => {
if e.kind() == io::ErrorKind::NotFound {
Ok(())
} else {
Err(e)
}
}
}
}
pub async fn symlink_update_existing(
src: impl AsRef<Path>,
dst: impl AsRef<Path>,
) -> io::Result<()> {
let src = src.as_ref();
let dst = dst.as_ref();
match fs::symlink(&src, &dst).await {
Ok(_) => Ok(()),
Err(e) => {
if e.kind() == io::ErrorKind::AlreadyExists {
let path = fs::read_link(&dst).await?;
if path == src {
return Ok(());
}
fs::remove_file(&dst).await?;
fs::symlink(&src, &dst).await
} else {
Err(e)
}
}
}
}
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