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rm: Refactor prompt_file, lower nesting depth

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Addressing issue #5345.
Introduce new helper function: prompt_file_permission_read_only
This commit is contained in:
terade 2023-10-04 16:32:30 +02:00
parent 3c2e327a34
commit f18e8983b1
1 changed files with 28 additions and 33 deletions
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61
src/uu/rm/src/rm.rs
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@ -486,7 +486,6 @@ fn prompt_dir(path: &Path, options: &Options) -> bool {
}
}
#[allow(clippy::cognitive_complexity)]
fn prompt_file(path: &Path, options: &Options) -> bool {
// If interactive is Never we never want to send prompts
if options.interactive == InteractiveMode::Never {
@ -503,47 +502,43 @@ fn prompt_file(path: &Path, options: &Options) -> bool {
// File::open(path) doesn't open the file in write mode so we need to use file options to open it in also write mode to check if it can written too
match File::options().read(true).write(true).open(path) {
Ok(file) => {
if let Ok(metadata) = file.metadata() {
if metadata.permissions().readonly() {
if metadata.len() == 0 {
prompt_yes!(
"remove write-protected regular empty file {}?",
path.quote()
)
} else {
prompt_yes!("remove write-protected regular file {}?", path.quote())
}
} else if options.interactive == InteractiveMode::Always {
if metadata.len() == 0 {
prompt_yes!("remove regular empty file {}?", path.quote())
} else {
prompt_yes!("remove file {}?", path.quote())
}
let Ok(metadata) = file.metadata() else {
return true;
};
if options.interactive == InteractiveMode::Always && !metadata.permissions().readonly()
{
return if metadata.len() == 0 {
prompt_yes!("remove regular empty file {}?", path.quote())
} else {
true
}
} else {
true
prompt_yes!("remove file {}?", path.quote())
};
}
prompt_file_permission_readonly(path, Ok(metadata))
}
Err(err) => {
if err.kind() == ErrorKind::PermissionDenied {
match fs::metadata(path) {
Ok(metadata) if metadata.len() == 0 => {
prompt_yes!(
"remove write-protected regular empty file {}?",
path.quote()
)
}
_ => prompt_yes!("remove write-protected regular file {}?", path.quote()),
}
} else {
true
if err.kind() != ErrorKind::PermissionDenied {
return true;
}
prompt_file_permission_readonly(path, fs::metadata(path))
}
}
}
fn prompt_file_permission_readonly(
path: &Path,
metadata_or_err: Result<Metadata, std::io::Error>,
) -> bool {
match metadata_or_err {
Ok(metadata) if !metadata.permissions().readonly() => true,
Ok(metadata) if metadata.len() == 0 => prompt_yes!(
"remove write-protected regular empty file {}?",
path.quote()
),
_ => prompt_yes!("remove write-protected regular file {}?", path.quote()),
}
}
// For directories finding if they are writable or not is a hassle. In Unix we can use the built-in rust crate to to check mode bits. But other os don't have something similar afaik
// Most cases are covered by keep eye out for edge cases
#[cfg(unix)]