Commit Graph

1709 Commits

Author SHA1 Message Date
Darren Schroeder
ffde939df3
if --no-config-file(-n) is passed, do not load config files with -c (#9286)
# Description

I noticed recently these timing discrepancies. I was thinking they would
be nearly identical but they were not.
```
> nu --no-std-lib -n -c "$nu.startup-time"
13ms 686µs 209ns
> nu --no-std-lib -n
> $nu.startup-time
2ms 520µs 416ns
```
My research showed that if `-n` was passed with `-c`, then the `-n` was
essentially being ignored. This PR corrects that.

Also worthy of understanding, if `nu -c "some command"` is passed, the
default env file is always loaded. I believe that's on purpose so that a
NU_LIB_DIRS env is available.

## After this PR (on a different system)
```
> nu --no-std-lib -n -c "$nu.startup-time"
6ms 688µs 600ns
> nu -n --no-std-lib
> $nu.startup-time
6ms 661µs 800ns
```

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
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Make sure you've run and fixed any issues with these commands:

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clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
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automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
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2023-05-25 08:24:56 -05:00
JT
fa113172da
Fix clippy warnings (upcoming) (#9282)
# Description

Fixes the clippy warnings we're about to get hit with next time we
upgrade Rust.

The big one was shrinking ShellError and related under 128 bytes.

# User-Facing Changes

Shouldn't notice much difference. In theory, we could see a tiny perf
improvement, but I didn't notice one.

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

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fmt --all` applies these changes)
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clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
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> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
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2023-05-25 10:58:18 +12:00
Jakub Žádník
74724dee80
Add virtual path abstraction layer (#9245) 2023-05-23 23:48:50 +03:00
Maria José Solano
4954a762b7
Allow duration defaults (#9249)
# Description
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Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.

Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.
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Fixes #9217 (some cases, still can't accept all default expressions)

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
- Follow-up of #8940, expanding `eval_constant` so that it can also
evaluate values with units.

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

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fmt --all` applies these changes)
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clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
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> use toolkit.nu # or use an `env_change` hook to activate it
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> ```
-->
- A unit test was added to verify that defaults like `1sec` are
accepted.
2023-05-20 08:23:25 -05:00
mike
0e4729b203
improve parsing of values with units (#9190)
closes #9111 

# Description

this pr improves parsing of values with units (`filesizes`, `durations`
and any other **future values**) by:

1. allowing underscores in the value part
```nu
> 42kb          # okay
> 42_sec        # okay
> 1_000_000mib  # okay
> 69k_b         # not okay, underscores not allowed in the unit
```

2. improving error messages involving these values
```nu
> sleep 40-sec

# before
Error: nu::parser::parse_mismatch

  × Parse mismatch during operation.
   ╭─[entry #42:1:1]
 1 │ sleep 40-sec
   ·       ──┬──
   ·         ╰── expected duration with valid units
   ╰────

# now
Error:
  × duration value must be a number
   ╭─[entry #41:1:1]
 1 │ sleep 40-sec
   ·       ─┬─
   ·        ╰── not a number
   ╰────
```

3. unifying parsing of these values. now all of these use one function

# User-Facing Changes

filesizes and durations can now have underscores for readability
2023-05-17 18:54:35 -05:00
Antoine Stevan
bf86cd50a5
REFACTOR: remove the shell commands (#8415)
Related to #8368.

# Description
as planned in #8311, the `enter`, `shells`, `g`, `n` and `p` commands
have been re-implemented in pure-`nushell` in the standard library.
this PR removes the `rust` implementations of these commands.

- all the "shells" tests have been removed from
`crates/nu-commnand/tests/commands/` in
2cc6a82da6, except for the `exit` command
- `cd` does not use the `shells` feature in its source code anymore =>
that does not change its single-shell behaviour
- all the command implementations have been removed from
`crates/nu-command/src/shells/`, except for `exit.rs` => `mod.rs` has
been modified accordingly
- the `exit` command now does not compute any "shell" related things
- the `--now` option has been removed from `exit`, as it does not serve
any purpose without sub-shells

# User-Facing Changes
users may now not use `enter`, `shells`, `g`, `n` and `p`
now they would have to use the standard library to have access to
equivalent features, thanks to the `dirs.nu` module introduced by @bobhy
in #8368

# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
-  `toolkit test`
-  `toolkit test stdlib`

# After Submitting
the website will have to be regenerated to reflect the removed commands
👍
2023-05-13 12:40:11 -05:00
mike
a3bf2bff49
improve error when name and parameters are not space-separated (#8958)
# Description
closes #8934

this pr improves the diagnostic emitted when the name and parameters of
either `def`, `def-env` or `extern` are not separated by a space

```nu
Error:
  × no space between name and parameters
   ╭─[entry #1:1:1]
 1 │ def err[] {}
   ·        ▲
   ·        ╰── expected space
   ╰────
  help: consider adding a space between the `def` command's name and its parameters
```

from

```nu
Error: nu::parser::missing_positional

  × Missing required positional argument.
   ╭─[entry #1:1:1]
 1 │ def err[] {}
   ╰────
  help: Usage: def <def_name> <params> <body>
```

---------

Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
Co-authored-by: Jelle Besseling <jelle@pingiun.com>
2023-05-12 09:10:40 -05:00
Bob Hyman
9e9fe83bfd
Parameter defaults to $nu.scope.commands (#9152)
(*third* try at posting this PR, #9104, like #9084, got polluted with
unrelated commits. I'm never going to pull from the github feature
branch again!)

# Description
<!--
Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.

Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.
-->
Show parameter defaults in scope command signature, where they're
available for display by help.
per https://github.com/nushell/nushell/issues/8928.

I found unexpected ramifications in one completer (NuHelpCompleter) and
plugins, which both use the flag-formatting routine from builtin help.
For the moment I made the minimum necessary changes to get the mainline
scenario to pass tests and run. But we should circle back on what to do
with plugins and help completer..

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
1. New `parameter_default` column to `signatures` table in
`$nu.scope.commands`
It is populated with whatever parameters can be defaulted: currently
positional args and named flags.
2. Built in help (both `help <command>` and `<command> --help` will
display the defaults
3. Help completer will display defaults for flags, but not for
positionals.

Example:
A custom command with some default parameters:
```
〉cat ~/work/dflts.nu 
# sample function to show defaults in help
export def main [
    arg1: string        # mandatory positional
    arg2:string=abc     # optional positional
    --switch            # no default here
    --named:int         # named flag, no default
    --other:string=def  # flag 
    --hard:record<foo:int bar:string, bas:bool> # default can be compound type
            = {foo:22, bar:"other worlds", bas:false}
] { {arg1: $arg1,
    arg2: $arg2,
    switch: $switch,
    named: $named,
    other: $other,
    hard: $hard, }
}

〉use ~/work/dflts.nu

〉$nu.scope.commands | where name == 'dflts' | get signatures.0.any | reject short_flag description custom_completion
╭───┬────────────────┬────────────────┬──────────────────────────────────────────┬─────────────┬───────────────────────────╮
│ # │ parameter_name │ parameter_type │               syntax_shape               │ is_optional │     parameter_default     │
├───┼────────────────┼────────────────┼──────────────────────────────────────────┼─────────────┼───────────────────────────┤
│ 0 │                │ input          │ any                                      │ false       │                           │
│ 1 │ arg1           │ positional     │ string                                   │ false       │                           │
│ 2 │ arg2           │ positional     │ string                                   │ true        │ abc                       │
│ 3 │ switch         │ switch         │                                          │ true        │                           │
│ 4 │ named          │ named          │ int                                      │ true        │                           │
│ 5 │ other          │ named          │ string                                   │ true        │ def                       │
│ 6 │ hard           │ named          │ record<foo: int, bar: string, bas: bool> │ true        │ ╭───────┬───────────────╮ │
│   │                │                │                                          │             │ │ foo   │ 22            │ │
│   │                │                │                                          │             │ │ bar   │ other worlds  │ │
│   │                │                │                                          │             │ │ bas   │ false         │ │
│   │                │                │                                          │             │ ╰───────┴───────────────╯ │
│ 7 │                │ output         │ any                                      │ false       │                           │
╰───┴────────────────┴────────────────┴──────────────────────────────────────────┴─────────────┴───────────────────────────╯

〉help dflts
sample function to show defaults in help

Usage:
  > dflts {flags} <arg1> (arg2) 

Flags:
  --switch - switch -- no default here
  --named <Int> - named flag, typed, but no default
  --other <String> - flag with default (default: 'def')
  --hard <Record([("foo", Int), ("bar", String), ("bas", Boolean)])> - default can be compound type (default: {foo: 22, bar: 'other worlds', bas: false})
  -h, --help - Display the help message for this command

Parameters:
  arg1 <string>: mandatory positional
  arg2 <string>: optional positional (optional, default: 'abc')
```

Compared to (relevant bits of) help output previously:
```
Flags:
  -h, --help - Display the help message for this command
  -, --switch - no default here
  -, --named <int> - named flag, no default
  -, --other <string> - flag
  -, --hard <record<foo: int, bar: string, bas: bool>> - default can be compound type

Signatures:
  <any> | dflts <string> <string> -> <any>

Parameters:
  arg1 <string>: mandatory positional
  (optional) arg2 <string>: optional positional
```

# Tests + Formatting
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Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
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- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
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> **Note**
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> ```
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# After Submitting
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2023-05-11 13:59:56 -05:00
Antoine Stevan
43a3983d36
REFACTOR: move the banner from the rust source to the standard library (#8406)
Related to:
- #8311 
- #8353

# Description
with the new `$nu.startup-time` from #8353 and as mentionned in #8311,
we are now able to fully move the `nushell` banner from the `rust`
source base to the standard library.

this PR
- removes all the `rust` source code for the banner
- rewrites a perfect clone of the banner to `std.nu`, called `std
banner`
- call `std banner` from `default_config.nu`

# User-Facing Changes
see the demo: https://asciinema.org/a/566521

- no config will show the banner (e.g. `cargo run --release --
--no-config-file`)
- a custom config without the `if $env.config.show_banner` block and no
call to `std banner` would never show the banner
- a custom config with the block and `config.show_banner = true` will
show the banner
- a custom config with the block and `config.show_banner = false` will
NOT show the banner

# Tests + Formatting
a new test line has been added to `tests.nu` to check the length of the
`std banner` output.
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`

# After Submitting
```
$nothing
```

---------

Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
2023-05-10 07:05:01 -05:00
Darren Schroeder
fe60fb8679
resolve standard library before ide commands (#9126)
# Description

This PR moves loading the standard library before the ide commands are
executed in hopes that the standard library will no longer give check
errors. I'm not sure if this will be a big performance impact or not.
We'll have to try it and see.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

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clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
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-->
2023-05-07 07:29:15 -05:00
Maria José Solano
d9a00a876b
Change type of flag defaults to Option<Value> (#9085)
# Description
Follow-up of #8940. As @bobhy pointed out, it makes sense for the
behaviour of flags to match the one for positional arguments, where
default values are of type `Option<Value>` instead of
`Option<Expression>`.

# User-Facing Changes
The same ones from the original PR:
- Flag default values will now be parsed as constants.
- If the default value is not a constant, a parser error is displayed.

# Tests + Formatting

A [new
test](e34e2d35f4/src/tests/test_engine.rs (L338-L344))
has been added to verify the new restriction.
2023-05-03 23:09:36 +02:00
Antoine Stevan
bdaa32666a
REFACTOR: have a single std loading call (#9033)
# Description
this PR moves the three individual call to `load_standard_library` in
the "Nushell branches" of `run.rs` into a single one, before the `if`,
in `main.rs`.

# User-Facing Changes
```
$nothing
```

# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
-  `toolkit test`
-  `toolkit test stdlib`

# After Submitting
```
$nothing
```
2023-04-29 12:48:32 +02:00
Darren Schroeder
fb10e1dfc5
add --ide-ast for a simplistic ast for editors (#8995)
# Description
This is WIP. This generates a simplistic AST so that we can call it from
the vscode side for semantic token highlighting. The output is a
minified version of this screenshot.


![image](https://user-images.githubusercontent.com/343840/234354668-872d6267-9946-4b92-8a13-4fed45b4513a.png)

The script
```
def test [arg] {
  print $arg
  for i in (seq 1 10) {
    echo $i
  }
}
```

The simplistic AST
```json
[{"content":"def","index":0,"shape":"shape_internalcall","span":{"end":15,"start":12}},{"content":"test","index":1,"shape":"shape_string","span":{"end":20,"start":16}},{"content":"[arg]","index":2,"shape":"shape_signature","span":{"end":26,"start":21}},{"content":"{\r\n  ","index":3,"shape":"shape_closure","span":{"end":32,"start":27}},{"content":"print","index":4,"shape":"shape_internalcall","span":{"end":37,"start":32}},{"content":"$arg","index":5,"shape":"shape_variable","span":{"end":42,"start":38}},{"content":"for","index":6,"shape":"shape_internalcall","span":{"end":49,"start":46}},{"content":"i","index":7,"shape":"shape_vardecl","span":{"end":51,"start":50}},{"content":"in","index":8,"shape":"shape_keyword","span":{"end":54,"start":52}},{"content":"(","index":9,"shape":"shape_block","span":{"end":56,"start":55}},{"content":"seq","index":10,"shape":"shape_internalcall","span":{"end":59,"start":56}},{"content":"1","index":11,"shape":"shape_int","span":{"end":61,"start":60}},{"content":"10","index":12,"shape":"shape_int","span":{"end":64,"start":62}},{"content":")","index":13,"shape":"shape_block","span":{"end":65,"start":64}},{"content":"{\r\n    ","index":14,"shape":"shape_block","span":{"end":73,"start":66}},{"content":"echo","index":15,"shape":"shape_internalcall","span":{"end":77,"start":73}},{"content":"$i","index":16,"shape":"shape_variable","span":{"end":80,"start":78}},{"content":"\r\n  }","index":17,"shape":"shape_block","span":{"end":85,"start":80}},{"content":"\r\n}","index":18,"shape":"shape_closure","span":{"end":88,"start":85}}]
```

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
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clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
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2023-04-28 08:51:51 -05:00
Steven Xu
b37662c7e1
fix: fix cursor position when cursor is at the end of the commandline (#9030)
# Description
Fix getting the cursor position, when it's at the end of the
commandline.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting

# After Submitting
2023-04-28 07:02:45 -05:00
Julius Riegel
07c9f681c7
Fix warning on declared config variable that originates from commands (#8891)
# Description

This PR fixes an issue described in #8890 where config variables
declared in command parameters cause the warning `use `let-env config =
...` instead of `let config = ...` to be printed.

# User-Facing Changes
The user is only warned when they define a config variable with a
warning with the type `record`.

# Tests + Formatting

I think this can only be tested manually by first trying to reproduce
#8890.
To test if the warning is still printed when it's supposed to be one can
add `let config = $env.config` to the end of the `config.nu` file.
2023-04-26 09:21:51 -05:00
Maria José Solano
e251f3a0b4
Change type of parameter default values to Option<Value> (#8940)
# Description

Fixes #8939.

# User-Facing Changes

- Parameter default values will now be parsed as constants.
- If the default value is not a constant, a parser error is displayed.

# Tests + Formatting

The [only affected
test](d42c2b2dbc/src/tests/test_engine.rs (L325-L328))
has been updated to reflect the new behavior.
2023-04-26 09:14:02 -05:00
mike
77ca73f414
allow records to have type annotations (#8914)
# Description
follow up to #8529
cleaned up version of #8892 

- the original syntax is okay
```nu
def okay [rec: record] {}
```
- you can now add type annotations for fields if you know
  them before hand
```nu
def okay [rec: record<name: string>] {}
```

- you can specify multiple fields
```nu
def okay [person: record<name: string age: int>] {}

# an optional comma is allowed
def okay [person: record<name: string, age: int>] {}
```

- if annotations are specified, any use of the command will be type
  checked against the specified type
```nu
def unwrap [result: record<ok: bool, value: any>] {}

unwrap {ok: 2, value: "value"}

# errors with

Error: nu::parser::type_mismatch

  × Type mismatch.
   ╭─[entry #4:1:1]
 1 │ unwrap {ok: 2, value: "value"}
   ·         ───────┬─────
   ·                    ╰── expected record<ok: bool, value: any>, found record<ok: int, value: string>
   ╰────
```
> here the error is in the `ok` field, since `any` is coerced into any
type
> as a result `unwrap {ok: true, value: "value"}` is okay

- the key must be a string, either quoted or unquoted
```nu
def err [rec: record<{}: list>] {}

# errors with
Error:
  × `record` type annotations key not string
   ╭─[entry #7:1:1]
 1 │ def unwrap [result: record<{}: bool, value: any>] {}
   ·                            ─┬
   ·                             ╰── must be a string
   ╰────
```

- a key doesn't have to have a type in which case it is assumed to be
`any`
```nu
def okay [person: record<name age>] {}

def okay [person: record<name: string age>] {}
```

- however, if you put a colon, you have to specify a type
```nu
def err [person: record<name: >] {}

# errors with
Error: nu::parser::parse_mismatch

  × Parse mismatch during operation.
   ╭─[entry #12:1:1]
 1 │ def unwrap [res: record<name: >] { $res }
   ·                             ┬
   ·                             ╰── expected type after colon
   ╰────
```

# User-Facing Changes
**[BREAKING CHANGES]**
- this change adds a field to `SyntaxShape::Record` so any plugins that
used it will have to update and include the field. though if you are
unsure of the type the record expects, `SyntaxShape::Record(vec![])`
will suffice
2023-04-26 08:16:55 -05:00
Amirhossein Akhlaghpour
48c75831fc
Flags and args on def (#8953)
# Description

Fixes #8916 
Fix flags and args on def which were call wrong .
Added some tests too .
2023-04-26 08:16:32 -05:00
Darren Schroeder
0cc735a7b2
use record separator \x1e for include_path (#8961)
# Description

This changes how the include paths are joined together so that it uses a
character that will work across platforms. `;` didn't work on Mac/Linux.
`:` didn't work in Windows. So, the record separator should work, which
is \x1e.

This goes hand-in-hand with
https://github.com/nushell/vscode-nushell-lang/pull/113.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
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2023-04-21 15:30:36 -05:00
Darren Schroeder
06996d8c7f
fix bug with include_path -I parameter (#8915)
# Description
This PR fixes a problem with the `-I` parameter. I probably broke it
when I added the `--ide-check <number>` parameter to limit the amount of
errors are shown.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

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fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
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-->
2023-04-17 19:07:54 -05:00
Vaishaag Subhagan
6eb00f6c60
Fix strange error on unbalanced curly braces (#8906)
# Description

Fixes issue https://github.com/nushell/nushell/issues/8400 

# User-Facing Changes

Before

![image](https://user-images.githubusercontent.com/5063945/232443913-a8fe9f50-2014-4edd-95b0-516058566f64.png)

After

![image](https://user-images.githubusercontent.com/5063945/232444266-375d9438-0688-4f49-a884-b8650110f7fe.png)
2023-04-17 21:51:10 +12:00
JT
bf3bb66c3e
Allocate less when doing a capture discovery (#8903)
# Description

This should be a little more efficient when running the algorithm to
find the captured variables.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
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2023-04-17 10:24:56 +12:00
Maria José Solano
1d68c48a92
Allow arguments for the last flag in short flag batch (#8808)
# Description
_Fixes #5923_

Currently `nushell` doesn't allow short flag batches to contain
arguments, despite this being a common pattern in commands like `git
commit -am 'My commit message'`. This PR relaxes this so that the last
flag in the batch can take an argument.

# User-Facing Changes
- `nu::parser::short_flag_arg_cant_take_arg` has been replaced by
`nu::parser::only_last_flag_in_batch_can_take_arg` and is displayed when
a flag other then the last in a short flag batch takes an argument.

# Tests + Formatting
- Both
[`test_parser.rs`](48af0ebc3c/crates/nu-parser/tests/test_parser.rs (L640-L704))
and
[`test_known_external.rs`](48af0ebc3c/src/tests/test_known_external.rs (L42-L61))
have been updated to test the new allowed and disallowed scenarios.

---------

Co-authored-by: sholderbach <sholderbach@users.noreply.github.com>
2023-04-15 10:24:51 +02:00
JT
4a8124ad1e
Improve hovers, including for custom commands (#8881)
# Description

Improves the info we give in hovers.


![image](https://user-images.githubusercontent.com/547158/231880027-78d8f3b1-a7cb-49aa-93d3-25cdbf2521d2.png)

Note: need to work on highlighting a bit before this is ready.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
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Make sure you've run and fixed any issues with these commands:

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fmt --all` applies these changes)
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clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
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-->
2023-04-14 11:28:16 +12:00
Darren Schroeder
a33a7960bb
limit the ide-check error amount (#8875)
# Description

This PR limits the amount of errors returned with the --ide-check flag.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-04-13 12:53:18 -05:00
Darren Schroeder
e892aad3f6
change include dirs separator to colon (#8873)
# Description
This PR changes the include_path separator from a semicolon to a colon.
It seems that semicolon is not parsed well as an argument to nushell.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

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fmt --all` applies these changes)
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clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-04-13 08:15:56 -05:00
JT
99c0a2575f
Make -I take in a ;-delimited list (#8864)
# Description
Changes `-I` to take in a semicolon-delimited list of paths. Eg) `-I
"/a/b;/foo/bar"`

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-04-13 06:21:02 +12:00
JT
487789b45b
Adds multi-file support to IDE support (#8857)
# Description

This adds multi-file support to the in-progress IDE support. The main
new features are a `-I` flag that allows you to add a new source search
path when starting up the nu binary, and fixes for the current IDE
support to support spans in other files.

This needs accompanying fixes to the vscode/lsp implementation to pass
along the project directory via `-I`.

UPDATE: Marking this draft until we have a means to test this.

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-13 05:36:29 +12:00
Stefan Holderbach
57510f2fd2
Move CLI related commands to nu-cli (#8832)
# Description

Part of the larger cratification effort.

Moves all `reedline` or shell line editor specific commands to `nu-cli`.

## From `nu-cmd-lang`:
- `commandline`
- This shouldn't have moved there. Doesn't directly depend on reedline
but assumes parts in the engine state that are specific to the use of
reedline or a REPL

## From `nu-command`:
- `keybindings` and subcommands
  - `keybindings default`
  - `keybindings list`
  - `keybindings listen`
    - very `reedline` specific
- `history`
  - needs `reedline`
- `history session`

## internal use
Instead of having a separate `create_default_context()` that calls
`nu-command`'s `create_default_context()`, I added a `add_cli_context()`
that updates an `EngineState`


# User-Facing Changes

None

## Build time comparison

`cargo build --timings` from a `cargo clean --profile dev`

### total
main: 64 secs
this: 59 secs

### `nu-command` build time

branch | total| codegen | fraction  
---|---|---|---
main | 14.0s | 6.2s | (44%)
this | 12.5s | 5.5s | (44%)

`nu-cli` depends on `nu-command` at the moment.
Thus it is built during the code-gen phase of `nu-command` (on 16
virtual cores)

# Tests + Formatting

I removed the `test_example()` facilities for now as we had not run any
of the commands in an `Example` test and importing the right context for
those tests seemed more of a hassle than the duplicated
`test_examples()` implementations in `nu-cmd-lang` and `nu-command`
2023-04-10 10:56:47 +12:00
JT
58b96fdede
Add option to not load std-lib. Default tests to not use std-lib (#8833)
this adds a `--no-std-lib` flag. Moves `nu!` to use the `--no-std-lib`.
Adds a new `nu_with_std!` macro for future tests that need the std-lib.

# Description

_(Thank you for improving Nushell. Please, check our [contributing
guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.)_

_(Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.)_

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-10 10:55:29 +12:00
mike
637283ffad
allow register to accept a const argument (#8758)
# Description

this pr allows `register` to be used with const variables
```nu
const math_plugin = "~/.config/nushell/plugins/nu_plugin_math"
register $math_plugin
```

should close #8208, previous work #8435
2023-04-08 15:04:57 -05:00
Maria José Solano
5afbfb5c2c
Use pretty_assertions in the root crate (#8818)
# Description

This PR is just a minor development improvement. While working on
another feature, I noticed that the root crate lists the super useful
`pretty_assertions` in the root crate but doesn't use it in most tests.
With this change `pretty_assertions::assert_eq!` is used instead of
`core::assert_eq!` for better diffs when debugging the tests.

I thought of adding the dependency to other crates but I decided not to
since I didn't want a huge disruptive PR :)
2023-04-08 11:52:37 -07:00
Michael Angerman
60e6ea5abd
remove nu_cli crate dependency from nu_std (#8807)
now nu_std only depends on nu_parser, nu_protocol and miette
and removes the nu_cli dependency

this enables developers moving forward to come along and implement their
own CLI's without having to pull in a redundant nu-cli which will not be
needed for them.

I did this by moving report_error into nu_protocol
which nu_std already has a dependency on anyway....



- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
2023-04-08 13:53:43 +02:00
JT
f2b977b9c5
improve operation mismatch errors (#8800)
# Description

This improves the operation mismatch error in a few ways:

* We now detect if the left-hand side of the operation is at fault, and
show a simpler error/error message if it is
* Removed the unhelpful hint
* Updated the error text to make it clear what types are causing the
issue


![image](https://user-images.githubusercontent.com/547158/230666329-537a8cae-6350-4ee7-878e-777e05c4f265.png)


![image](https://user-images.githubusercontent.com/547158/230666353-93529dc2-039a-4774-a84c-a6faac94d8e2.png)


# User-Facing Changes

Error texts and spans will change

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-08 09:32:44 +12:00
Darren Schroeder
1c5846e1fb
make inlays show type instead of shape (#8801)
# Description

This tiny change fixes how inlays are shown.

![image](https://user-images.githubusercontent.com/343840/230671454-8adc7e69-4f4e-421f-b0e5-c9563a501c4b.png)


# User-Facing Changes



# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-07 15:40:59 -05:00
Antoine Stevan
5d8bedfbe4
stdlib: make the library a standalone crate (#8770)
# Description
as we now have a prelude thanks to #8627, i'd like to work on the
structure of the library 😋

and i think the first step is to make it a true standalone crate 😏

this PR
- moves all the library from `crates/nu-utils/standard_library/` to
`crates/nu-std/`
- moves the `rust` loading code from `src/run.rs` to
`crates/nu-std/src/lib.rs`
2023-04-07 22:12:27 +02:00
JT
0477493734
Fix parser recovery after error (#8798)
# Description

This fixes the parser recovery after the first error (at least the main
culprit), where `parse_value` was not able to properly parse `any`
values after the first error.

fixes #8796 

# User-Facing Changes

None

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-08 07:01:12 +12:00
Jakub Žádník
1b677f167e
Remove old alias implementation (#8797) 2023-04-07 21:09:38 +03:00
Antoine Stevan
d881481758
add the standard help to the prelude as std help ... (#8794)
Related to #8505.

# Description
as #8505 has been landed, this PR fixes the prelude TODO and uses the
`help` commands from the standard library in the prelude.

# User-Facing Changes
can now access `std help ...` to use the `help` implementations from the
standard library

# Tests + Formatting
```
$nothing
```

# After Submitting
```
$nothing
```
2023-04-07 20:04:51 +02:00
JT
aded2c1937
Refactor to support multiple parse errors (#8765)
# Description

This is a pretty heavy refactor of the parser to support multiple parser
errors. It has a few issues we should address before landing:

- [x] In some cases, error quality has gotten worse `1 / "bob"` for
example
- [x] if/else isn't currently parsing correctly
- probably others

# User-Facing Changes

This may have error quality degradation as we adjust to the new error
reporting mechanism.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-07 12:35:45 +12:00
Antoine Stevan
d93953a56f
FIX: load the library before anything else (#8774) 2023-04-06 13:21:33 -05:00
Antoine Stevan
7bac0b417f
stdlib: add an automatic loading of "prelude" commands (#8627) 2023-04-05 23:44:59 +03:00
JT
56efbd7de9
Add IDE support (#8745)
# Description

This adds a set of new flags on the `nu` binary intended for use in
IDEs. Here is the set of supported functionality so far:

* goto-def - go to the definition of a variable or custom command
* type hints - see the inferred type of variables
* check - see the errors in the document (currently only one error is
supported)
* hover - get information about the variable or custom command
* complete - get a completion list at the current position

# User-Facing Changes

No changes to the REPL experience. This only impacts the IDE scenario.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.

---------

Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
2023-04-06 07:34:47 +12:00
Reilly Wood
678e942bd8
Remove -t/--threads flag from nu (#8686)
### What?

This PR removes the `--threads` flag from nu.exe:


![image](https://user-images.githubusercontent.com/26268125/229021408-bf78ce64-11f7-4354-a410-ed905b96bb5a.png)

### Why?

Darren added a `--threads` flag to `par-each` in
https://github.com/nushell/nushell/pull/8679, so it no longer respects
the global `--threads` flag. Now the only place `rayon` is used is [the
`table`
renderer](3db0aed9f7/crates/nu-command/src/viewers/table.rs (L15)).

I don't think anyone will actually want to specify the number of threads
used in `table`, and it would be confusing to leave this flag around
when it no longer does anything useful.

### Notes

Relevant `rayon` docs:
https://docs.rs/rayon/latest/rayon/struct.ThreadPoolBuilder.html#method.build_global
2023-04-01 20:47:56 +13:00
Darren Schroeder
b2257a5ca3
fix test_default_config_path test after pr 8653 (#8690)
# Description

This PR fixes a testing bug that @rgwood found and PR #8653 introduced,
mentioned
[here](https://github.com/nushell/nushell/pull/8653#issuecomment-1491263657).
Since 8653 returns canonicalizes config paths now, the tests need to
return canonicalized paths as well. Without this PR, if you have your
nushell config dir symlinked, this test will fail. This PR fixes that
test.

# User-Facing Changes



# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-31 11:17:37 -05:00
JT
97e7d550c8
move 'str substring' to only use ranges (#8660)
# Description

This removes all the old style of quasi-ranges before we had full range
support from `str substring`. Functionality should otherwise work, but
only with the official range syntax.

# User-Facing Changes

Removes the array and string forms of ranges from `str substring`.
Leaves only the official range support for range values.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-29 20:01:42 +13:00
JT
393717dbb4
Improve inferred record types and type compat (#8649)
# Description

This allows for type inference to infer record types in more cases. The
only time we will now fall back to `Any` is when one of the fields has a
computed value.

I also updated the type mismatch error and highlighting to be in-line
with other errors.

# User-Facing Changes

This may result in stricter type checking. Previously `{}` had the
inferred type `Any` but will now have the correct inferred type of
`Record<>`.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-29 10:23:10 +13:00
mike
86ae27b0c1
fix unhelpful error message with extra characters in list annotations (#8619)
# Description

with such a line
```nu
def err [list: list<>extra] {}
```
this pr changes the error message from 
```nu
Error: nu::parser::unclosed_delimiter

  × Unclosed delimiter.
   ╭─[entry #69:1:1]
 1 │ def err [list: list<>extra] {}
   ·                ─────┬─────
   ·                      ╰── unclosed >
   ╰────
```
to
```nu
  × Extra characters in the parameter name.
   ╭─[entry #69:1:1]
 1 │ def err [list: list<>extra] {}
   ·                      ──┬──
   ·                        ╰── extra characters
   ╰────
```
2023-03-26 10:59:47 +02:00
Reilly Wood
d409171ba8
Change comparison operators to allow nulls (#8617)
Prior to this PR, the less/greater than operators (`<`, `>`, `<=`, `>=`)
would throw an error if either side was null. After this PR, these
operators return null if either side (or both) is null.

### Examples
```bash 
1 < 3       # true
1 < null    # null
null < 3    # null
null < null # null
```

### Motivation

JT [asked the C#
folks](https://discord.com/channels/601130461678272522/615329862395101194/1086137515053957140)
and this is apparently the approach they would choose for comparison
operators if they could start from scratch.

This PR makes `where` more convenient to use on jagged/missing data. For
example, we can now filter on columns that may not be present in every
row:
```
> [{foo: 123} {}] | where foo? > 10
╭───┬─────╮
│ # │ foo │
├───┼─────┤
│ 0 │ 123 │
╰───┴─────╯
```
2023-03-26 12:10:09 +13:00
mike
744a28b31d
type-check default values of list annotations (#8600)
# Description

@fdncred noticed an
[issue](https://github.com/nushell/nushell/pull/8529#issuecomment-1482770636)
with list annotations that while i was trying to find a fix found
another issue.

innitially, this was accepted by the parser
```nu
def err [list: list<int> = ['a' 'b' 'c']] {}
```

but now an error is raised
```nu
Error: nu::parser::assignment_mismatch

  × Default value wrong type
   ╭─[entry #1:1:1]
 1 │ def err [list: list<int> = ['a' 'b' 'c']] {}
   ·                            ──────┬────
   ·                                   ╰── expected default value to be `list<int>`
   ╰────
```

# User-Facing Changes

none

# Tests + Formatting

done
2023-03-25 08:57:18 +13:00