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add --quiet flag to watch command (#13415)

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# Description
Adds a `--quiet` flag to the `watch` command, silencing the message
usually shown when invoking `watch`.

Resolves #13411

As implemented, `--quiet` is orthogonal to `--verbose`. I'm open to
improving the flag's name, behaviour and/or documentation to make it
more user-friendly, as I realise this may be surprising as-is.

```
> watch path {|a b c| echo $a $b $c}
Now watching files at "/home/user/path". Press ctrl+c to abort.
───┬───────────────────────
 0 │ Remove                
 1 │ /home/user/path 
 2 │                       
───┴───────────────────────
^C
> watch --quiet path {|a b c| echo $a $b $c}
───┬───────────────────────
 0 │ Remove                
 1 │ /home/user/path 
 2 │                       
───┴───────────────────────
^C
```

# User-Facing Changes

Adds `--quiet`/`-q` flag to `watch`, which removes the initial status
message.
This commit is contained in:
Zoey Hewll 2024-07-20 18:34:27 +08:00 committed by GitHub
parent dbd60ed4f4
commit 5db57abc7d
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1 changed files with 6 additions and 1 deletions
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7
crates/nu-command/src/filesystem/watch.rs
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@ -61,6 +61,7 @@ impl Command for Watch {
"Watch all directories under `<path>` recursively. Will be ignored if `<path>` is a file (default: true)",
Some('r'),
)
.switch("quiet", "Hide the initial status message (default: false)", Some('q'))
.switch("verbose", "Operate in verbose mode (default: false)", Some('v'))
.category(Category::FileSystem)
}
@ -94,6 +95,8 @@ impl Command for Watch {
let verbose = call.has_flag(engine_state, stack, "verbose")?;
let quiet = call.has_flag(engine_state, stack, "quiet")?;
let debounce_duration_flag: Option<Spanned<i64>> =
call.get_flag(engine_state, stack, "debounce-ms")?;
let debounce_duration = match debounce_duration_flag {
@ -161,7 +164,9 @@ impl Command for Watch {
// need to cache to make sure that rename event works.
debouncer.cache().add_root(&path, recursive_mode);
eprintln!("Now watching files at {path:?}. Press ctrl+c to abort.");
if !quiet {
eprintln!("Now watching files at {path:?}. Press ctrl+c to abort.");
}
let mut closure = ClosureEval::new(engine_state, stack, closure);