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|
use std::{
io::{self,ErrorKind,Write},
fs,
path::PathBuf,
};
use copy_dir::copy_dir;
use crate::{resolve_home,Config,Entry};
#[derive(Debug, PartialEq, Eq)]
enum ConflictOption {
Remove,
Rename,
Skip,
}
fn remove_ambiguous(path: &PathBuf) -> io::Result<()> {
if path.is_dir() {
fs::remove_dir_all(&path)?;
} else {
fs::remove_file(&path)?;
}
Ok(())
}
fn rename_conflict(path: &PathBuf) -> io::Result<()> {
let rename_path = path.with_extension("old");
if rename_path.try_exists()? {
remove_ambiguous(&rename_path)?;
}
fs::rename(&path, &rename_path)?;
println!("Old config renamed to {}.", rename_path.file_name().unwrap().to_str().unwrap());
Ok(())
}
fn remove_existing(name: &str, path: &PathBuf) -> io::Result<Option<ConflictOption>> {
loop {
let mut input = String::new();
print!("Remove existing config for {name}? (y/n/r[ename]) ");
let _ = io::stdout().flush();
io::stdin()
.read_line(&mut input)
.expect("Failed to read user input.");
let choice = match input.to_lowercase().trim() {
"y" => ConflictOption::Remove,
"n" => ConflictOption::Skip,
"r" => ConflictOption::Rename,
_ => {
println!("Try again :)");
continue;
},
};
match choice {
ConflictOption::Remove =>
remove_ambiguous(path)?,
ConflictOption::Rename =>
rename_conflict(path)?,
ConflictOption::Skip =>
println!("Skipping {name}."),
};
return Ok(Some(choice));
}
}
fn sync_file(
name: &str,
src: &PathBuf,
dest: &PathBuf,
force: &bool
) -> io::Result<Option<ConflictOption>> {
let copy_result = copy_dir(src, dest);
if let Err(error) = copy_result {
if error.kind() == ErrorKind::AlreadyExists {
if *force {
remove_ambiguous(dest)?;
return Ok(Some(ConflictOption::Remove));
} else {
return remove_existing(name, dest);
}
}
return Err(error);
}
Ok(None)
}
pub fn sync_config(name: &str, entry: &Entry, configs_path: &PathBuf, force: &bool) {
let src = configs_path.join(&entry.file);
let mut dest = entry.parent.join(&entry.file);
resolve_home(&mut dest);
loop {
let sync_result = sync_file(name, &src, &dest, force);
match sync_result {
Ok(None) => println!("Updated {}.", dest.to_str().unwrap()),
Ok(Some(choice)) => match choice {
ConflictOption::Skip => break,
_ => continue,
},
Err(error) => {
eprintln!("Skipping sync of {src:?} to {dest:?}: {error:?}");
break;
},
};
break;
}
}
pub fn sync_all(config: &Config, configs_path: &PathBuf, force: bool) {
for (name, entry) in config {
sync_config(&name, &entry, configs_path, &force);
}
}
|
