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Appropiate error handling when copying (thanks @jonathandturner)

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This commit is contained in:
Andrés N. Robalino 2019-07-23 00:51:22 -05:00
parent 2da43f4b06
commit 0790a714b0
1 changed files with 17 additions and 17 deletions
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34
src/commands/cp.rs
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@ -32,20 +32,18 @@ impl Command for Copycp {
}
pub fn cp(args: CommandArgs) -> Result<OutputStream, ShellError> {
let mut source = args.env.lock().unwrap().path().to_path_buf();
let mut source = args.env.lock().unwrap().path().to_path_buf();
let mut destination = args.env.lock().unwrap().path().to_path_buf();
let mut src = String::new();
let mut dst = String::new();
match args
.nth(0)
.ok_or_else(|| ShellError::string(&format!("No file or directory specified")))?
.as_string()?
.as_str() {
file => {
src.push_str(file);
.as_str()
{
file => {
source.push(file);
}
}
@ -54,12 +52,12 @@ pub fn cp(args: CommandArgs) -> Result<OutputStream, ShellError> {
.nth(1)
.ok_or_else(|| ShellError::string(&format!("No file or directory specified")))?
.as_string()?
.as_str() {
file => {
.as_str()
{
file => {
dst.push_str(file);
destination.push(file);
}
}
}
if destination.is_dir() {
@ -68,13 +66,15 @@ pub fn cp(args: CommandArgs) -> Result<OutputStream, ShellError> {
let file_name = file_name.to_str().expect("");
destination.push(Path::new(file_name));
} else if source.is_dir() {
return Err(ShellError::string(
&format!("{:?} is a directory (not copied)", src))
);
return Err(ShellError::string(&format!(
"{:?} is a directory (not copied)",
source.to_string_lossy()
)));
}
}
std::fs::copy(source, destination).expect("can not copy file");
Ok(OutputStream::empty())
}
match std::fs::copy(source, destination) {
Err(_error) => Err(ShellError::string("can not copy file")),
Ok(_) => Ok(OutputStream::empty()),
}
}