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Clean up trash support on Android (#10225)

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# Description

Currently on Android, there are warnings about unused variables. This PR
fixes that with more conditional guards for the unused variables.

Additionally, in #10013, @kubouch gave feedback in [the last
PR](https://github.com/nushell/nushell/pull/10013#pullrequestreview-1596828128)
that it was unwieldy to repeat

```rust
#[cfg(all(
    feature = "trash-support",
    not(target_os = "android"),
    not(target_os = "ios")
))]
```
This commit is contained in:
Skyler Hawthorne 2023-09-05 08:38:23 -04:00 committed by GitHub
parent e566a073dc
commit 5f1e8a6af8
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 55 additions and 80 deletions
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135
crates/nu-command/src/filesystem/rm.rs
View File

@ -1,9 +1,5 @@
use std::collections::HashMap;
#[cfg(all(
feature = "trash-support",
not(target_os = "android"),
not(target_os = "ios")
))]
use std::io::Error;
use std::io::ErrorKind;
#[cfg(unix)]
use std::os::unix::prelude::FileTypeExt;
@ -27,6 +23,11 @@ const GLOB_PARAMS: nu_glob::MatchOptions = nu_glob::MatchOptions {
recursive_match_hidden_dir: true,
};
const TRASH_SUPPORTED: bool = cfg!(all(
feature = "trash-support",
not(any(target_os = "android", target_os = "ios"))
));
#[derive(Clone)]
pub struct Rm;
@ -95,24 +96,21 @@ impl Command for Rm {
example: "rm file.txt",
result: None,
}];
#[cfg(all(
feature = "trash-support",
not(target_os = "android"),
not(target_os = "ios")
))]
examples.append(&mut vec![
Example {
description: "Move a file to the trash",
example: "rm --trash file.txt",
result: None,
},
Example {
description:
"Delete a file permanently, even if the 'always_trash' config option is true",
example: "rm --permanent file.txt",
result: None,
},
]);
if TRASH_SUPPORTED {
examples.append(&mut vec![
Example {
description: "Move a file to the trash",
example: "rm --trash file.txt",
result: None,
},
Example {
description:
"Delete a file permanently, even if the 'always_trash' config option is true",
example: "rm --permanent file.txt",
result: None,
},
]);
}
examples.push(Example {
description: "Delete a file, ignoring 'file not found' errors",
example: "rm --force file.txt",
@ -133,11 +131,6 @@ fn rm(
call: &Call,
) -> Result<PipelineData, ShellError> {
let trash = call.has_flag("trash");
#[cfg(all(
feature = "trash-support",
not(target_os = "android"),
not(target_os = "ios")
))]
let permanent = call.has_flag("permanent");
let recursive = call.has_flag("recursive");
let force = call.has_flag("force");
@ -182,13 +175,9 @@ fn rm(
}
let span = call.head;
let rm_always_trash = engine_state.get_config().rm_always_trash;
let config = engine_state.get_config();
let rm_always_trash = config.rm_always_trash;
#[cfg(not(feature = "trash-support"))]
{
if !TRASH_SUPPORTED {
if rm_always_trash {
return Err(ShellError::GenericError(
"Cannot execute `rm`; the current configuration specifies \
@ -202,9 +191,9 @@ fn rm(
));
} else if trash {
return Err(ShellError::GenericError(
"Cannot execute `rm` with option `--trash`; feature `trash-support` not enabled"
"Cannot execute `rm` with option `--trash`; feature `trash-support` not enabled or on an unsupported platform"
.into(),
"this option is only available if nu is built with the `trash-support` feature"
"this option is only available if nu is built with the `trash-support` feature and the platform supports trash"
.into(),
Some(span),
None,
@ -376,55 +365,41 @@ fn rm(
format!("rm: remove '{}'? ", f.to_string_lossy()),
);
let result;
#[cfg(all(
feature = "trash-support",
not(target_os = "android"),
not(target_os = "ios")
))]
{
use std::io::Error;
result = if let Err(e) = interaction {
let e = Error::new(ErrorKind::Other, &*e.to_string());
Err(e)
} else if interactive && !confirmed {
Ok(())
} else if trash || (rm_always_trash && !permanent) {
let result = if let Err(e) = interaction {
let e = Error::new(ErrorKind::Other, &*e.to_string());
Err(e)
} else if interactive && !confirmed {
Ok(())
} else if TRASH_SUPPORTED && (trash || (rm_always_trash && !permanent)) {
#[cfg(all(
feature = "trash-support",
not(any(target_os = "android", target_os = "ios"))
))]
{
trash::delete(&f).map_err(|e: trash::Error| {
Error::new(ErrorKind::Other, format!("{e:?}\nTry '--trash' flag"))
})
} else if metadata.is_file()
|| is_socket
|| is_fifo
|| metadata.file_type().is_symlink()
}
// Should not be reachable since we error earlier if
// these options are given on an unsupported platform
#[cfg(any(
not(feature = "trash-support"),
target_os = "android",
target_os = "ios"
))]
{
std::fs::remove_file(&f)
} else {
std::fs::remove_dir_all(&f)
};
}
#[cfg(any(
not(feature = "trash-support"),
target_os = "android",
target_os = "ios"
))]
unreachable!()
}
} else if metadata.is_file()
|| is_socket
|| is_fifo
|| metadata.file_type().is_symlink()
{
use std::io::{Error, ErrorKind};
result = if let Err(e) = interaction {
let e = Error::new(ErrorKind::Other, &*e.to_string());
Err(e)
} else if interactive && !confirmed {
Ok(())
} else if metadata.is_file()
|| is_socket
|| is_fifo
|| metadata.file_type().is_symlink()
{
std::fs::remove_file(&f)
} else {
std::fs::remove_dir_all(&f)
};
}
std::fs::remove_file(&f)
} else {
std::fs::remove_dir_all(&f)
};
if let Err(e) = result {
let msg = format!("Could not delete {:}: {e:}", f.to_string_lossy());