Commit Graph

3973 Commits

Author SHA1 Message Date
Reilly Wood
f93033c20b
Fix CPU usage info in sys (#8321)
Closes #8264. This PR does a few things to fix the `usage` column in
`sys.cpu`:

1. Sleep a while (~400ms) between calls to `sys.refresh_cpu()`, [as
required by
`sysinfo`](https://docs.rs/sysinfo/latest/sysinfo/trait.SystemExt.html#method.refresh_cpu)
2. Change `sys` to return a `LazyRecord` (so you can do things like `sys
| get host` instantly without waiting for CPU info)
3. Update our `sysinfo` dependency to [fix CPU usage calculations on
Linux](https://github.com/GuillaumeGomez/sysinfo/pull/946)

CPU usage is no longer always reported as zero:


![image](https://user-images.githubusercontent.com/26268125/222929775-5e9cbe18-95d9-4ecb-baf8-1e843f5c7086.png)
2023-03-04 14:48:34 -08:00
Jérémy Audiger
33fb17776a
Update the command 'version'. (#8312)
# Description

No real changes, just some cleanup while I was looking at the code of
the command.

# User-Facing Changes

Remove the attribute 'pkg_version', since it's already exposed through
'version'.

# 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

# 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.
2023-03-04 16:23:30 -06:00
Antoine Stevan
b864a455f2
DOC: add a README to the standard library (#8304)
# Description
this PR a `README` to the standard library in
`crates/nu-utils/standard_library/` 👍

> **Note**
> you can have a look at what the `README` looks like
[here](https://github.com/amtoine/nushell/blob/doc/add-a-readme-to-the-standard-library/crates/nu-utils/standard_library/README.md#--welcome-to-the-standard-library-of-nushell--)

# User-Facing Changes
the user can now access some documentation about the standard library. 

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

# After Submitting
```
$nothing
```
2023-03-04 08:30:36 -06:00
Jérémy Audiger
b9c78a05aa
Resolve Clippy warnings inside tests. (#8315)
# Description

Command: `cargo clippy --workspace --all-targets`

Resolve those warnings:

```
warning: this expression creates a reference which is immediately dereferenced by the compiler
  --> crates/nu-parser/tests/test_parser.rs:86:59
   |
86 |             compare_rhs_binaryOp(test_tag, &expected_val, &observed_val);
   |                                                           ^^^^^^^^^^^^^ help: change this to: `observed_val`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
   = note: `#[warn(clippy::needless_borrow)]` on by default

warning: `assert!(false, ..)` should probably be replaced
   --> crates/nu-cli/src/completions/command_completions.rs:319:17
    |
319 |                 assert!(false, "Merge delta has failed: {}", err);
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: use `panic!(..)` or `unreachable!(..)`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assertions_on_constants
    = note: `#[warn(clippy::assertions_on_constants)]` on by default

warning: 1 warning emitted

warning: `assert!(false, ..)` should probably be replaced
   --> crates/nu-cli/src/completions/completer.rs:600:13
    |
600 |             assert!(false, "Error merging delta: {:?}", err);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: use `panic!(..)` or `unreachable!(..)`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assertions_on_constants

warning: length comparison to zero
   --> crates/nu-cli/src/completions/completer.rs:620:24
    |
620 |             assert_eq!(result.len() > 0, has_result, "line: {}", line);
    |                        ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!result.is_empty()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
    = note: `#[warn(clippy::len_zero)]` on by default

warning: equality checks against true are unnecessary
   --> crates/nu-cli/src/completions/completer.rs:632:33
    |
632 |                     .filter(|x| *x == true)
    |                                 ^^^^^^^^^^ help: try simplifying it as shown: `*x`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
    = note: `#[warn(clippy::bool_comparison)]` on by default

    Checking nu v0.76.1 (/home/jaudiger/Development/git-repositories/jaudiger/nushell)
warning: 4 warnings emitted

warning: the borrowed expression implements the required traits
  --> crates/nu-command/tests/commands/cp.rs:26:40
   |
26 |         let first_hash = get_file_hash(&test_file.display());
   |                                        ^^^^^^^^^^^^^^^^^^^^ help: change this to: `test_file.display()`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
   = note: `#[warn(clippy::needless_borrow)]` on by default

warning: the borrowed expression implements the required traits
   --> crates/nu-command/tests/commands/cp.rs:178:13
    |
178 |             &jonathans_expected_copied_dir
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `jonathans_expected_copied_dir`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: the borrowed expression implements the required traits
   --> crates/nu-command/tests/commands/cp.rs:182:13
    |
182 |             &andres_expected_copied_dir
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `andres_expected_copied_dir`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: the borrowed expression implements the required traits
   --> crates/nu-command/tests/commands/cp.rs:186:13
    |
186 |             &yehudas_expected_copied_dir
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `yehudas_expected_copied_dir`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: 4 warnings emitted
```

# 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

# 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.
2023-03-04 14:58:20 +01:00
ygguser
26c36e932e
README for nu-json. Related to nushell/nushell#8253 (#8289)
I propose to add such a README file for the nu-json crate.
The crate is good, it is used also by others. However, on crates.io [its
page](https://crates.io/crates/nu-json) looks uninformative.

Related to https://github.com/nushell/nushell/issues/8253

---------

Co-authored-by: ygguser <there_is@no.email>
2023-03-03 19:07:25 -06:00
johnny-byte
bd096430cb
remove extra allocation from nu-json (#8299)
# Description

Remove unnecessary memory allocation

# 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

# 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: None <>
2023-03-03 17:01:56 -08:00
JT
6148314dcd
print pipeline contents in print (#8305)
# Description

Have `print` print it's input, so it's easier to print a pipeline (esp
after we land #8292 and related)

# User-Facing Changes

`print` will now print its input, if there are no args given

# 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

# 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.
2023-03-04 11:31:01 +13:00
Jérémy Audiger
a7b5bd18ba
Shadow rs dep (#8298)
# Description

While looking at the recent MR merged, I noticed that a dependency was
no more used with https://github.com/nushell/nushell/pull/8280.

# 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

# 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.
2023-03-03 09:41:13 -08:00
mike
e01eb42e74
fix NotAConstant error help message (#8293)
```
Error: nu::parser::not_a_constant (link)

  × Not a constant.
   ╭─[entry #23:1:1]
 1 │ let file = "/home/user/file"; source $file
   ·                                      ──┬──
   ·                                        ╰── Value is not a parse-time constant
   ╰────
  help: Only a subset of expressions are allowed
        constants during parsing. Try using the 'let'
        command or typing the value literally.
```
this pr changes the help message to 'Try using the `const` command ...'
2023-03-02 19:07:25 -06:00
Jérémy Audiger
c1d76bfac7
Add unit tests for HTTP commands. (#8267)
# Description

Following the comment from @fdncred:
https://github.com/nushell/nushell/pull/8144#issuecomment-1442514338. I
added some unit tests for HTTP commands. The tests are not exhaustive,
but at least, this is a first good step IMO.

# 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

# 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.
2023-03-02 11:05:18 -08:00
Doru
1a62d87a42
Make the default prompt play nice with basic fonts (#8080)
# Description
This commit changes the `PROMPT_INDICATOR` and
`PROMPT_INDICATOR_VI_NORMAL` in the default_env and sample_login files.
It also changes its missing fallback in the prompt.rs file.

This has the intention of making the default prompt friendlier when
dealing with basic terminals that may not support displaying a huge
range of the Unicode standard, or users who don't want to get out of
their way to install custom fonts for their terminals. It's also
nicer/more balanced on the eyes, to me, and brings it in line with the
logo of nushell `nu>`.

# User-Facing Changes
New installations of nushell will have > as the default prompt
indicator, and running `config reset` will also change it. This might be
confusing for a few seconds, it could be minor enough that it just feels
slightly off. Anyone who has, for some reason, unset the
PROMPT_INDICATOR variable, or set it to $nothing, will also receive the
`>` treatment.

Users running on basic terminals (like cmd.exe on Windows 10) should no
longer face font issues with the default basic prompt.

# Drawbacks
The Unicode arrow is pretty cool. And it predates many of us. Maybe it's
worth keeping. One argument I could see, and mildly disagree with, is
that it might make users lean towards installing a modern font for their
terminal which will would have good consequences in the future.
2023-03-02 13:59:32 +13:00
Antoine Stevan
2ccbefe01e
REFACTOR: move the standard library to a less-confusing place (#8265)
# Description
we've discussed a bit about the location of the standard library in the
#standard-library channel of the discord server => **the previous
location, `crates/nu-utils/src/sample_config/`, was a bit confusing**
- is `std.nu` a config file, just as `default_config.nu` or
`default_env.nu`?
- what is this `tests.nu` file inside the `sample_config/`?

in this PR, i propose moving the standard library to
`crates/nu-utils/standard_library/` for a few reasons:
- `std.nu` is not a config file, so it should not be next to config
files in a `sample_config/` directory
- `tests.nu` is confusing if mixed with other unrelated files
- `crates/nu-utils/` appears to be a good place for the standard library
as it is meant to be a tool for `nushell`
- i thought it would be strange to have `std.nu` inside
`crates/nu-utils/src/` as this directory is generally filled with `rust`
files, right?

these are the reasons why i choose to propose
`crates/nu-utils/standard_library/` 😋

# User-Facing Changes
the standard library is now used with
```bash
use crates/nu-utils/standard_library/std.nu
```
and the tests are run with
```bash
nu crates/nu-utils/standard_library/tests.nu
```

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

# After Submitting
```bash
$nothing
```
2023-03-01 16:40:50 -06:00
Stefan Holderbach
438062d7fc
Document and critically review ShellError variants - Ep. 1 (#8229)
# Description

The `ShellError` enum at the moment is kind of messy. 

Many variants are basic tuple structs where you always have to reference
the implementation with its macro invocation to know which field serves
which purpose.
Furthermore we have both variants that are kind of redundant or either
overly broad to be useful for the user to match on or overly specific
with few uses.

So I set out to start fixing the lacking documentation and naming to
make it feasible to critically review the individual usages and fix
those.
Furthermore we can decide to join or split up variants that don't seem
to be fit for purpose.

Feel free to add review comments if you spot inconsistent use of
`ShellError` variants.

- Name fields on `ShellError::OperatorOverflow`
- Name fields on `ShellError::PipelineMismatch`
- Add doc to `ShellError::OnlySupportsThisInputType`
- Name `ShellError::OnlySupportsThisInputType`
- Name field on `ShellError::PipelineEmpty`
- Comment about issues with `TypeMismatch*`
- Fix a few `exp_input_type`s
- Name fields on `ShellError::InvalidRange`

# User-Facing Changes

(None now, end goal more explicit and consistent error messages)

# Tests + Formatting

(No additional tests needed so far)
2023-03-01 20:34:48 +01:00
Michael Angerman
5bf077d64f
remove left over build.rs from nu-command (#8280)
@fdncred pointed out to me that post creation of the nu-cmd-lang crate
we probably don't need an extra build.rs
file in nu-command any longer now that the version command (and
build.rs) is located in nu-cmd-lang...

I am removing the redundancy...
2023-03-01 09:30:58 -08:00
WindSoilder
dec0a2517f
Throw out error if external command in subexpression is failed to run (#8204) 2023-03-01 13:50:38 +02:00
Reilly Wood
324d625324
Fix CPU frequency in sys output (#8275)
The `sys | get cpu.freq` column (supposed to contain the frequency for
each CPU core in megahertz) was incorrect for 2 reasons:
1. We weren't telling the `sysinfo` crate to refresh CPU frequency info
2. We were overwriting the values in the column with the systemwide
physical core count. Whoops!

### Before


![image](https://user-images.githubusercontent.com/26268125/222045977-2c021c92-794f-4498-b12c-e3a1bbaa7483.png)

### After


![image](https://user-images.githubusercontent.com/26268125/222046066-ff8ccd21-3c47-4d7d-8f14-e0744822cd2d.png)


## Future work

This PR does not fix https://github.com/nushell/nushell/issues/8264 ;
the `cpu_usage` column is still incorrect.
2023-03-01 21:31:05 +13:00
JT
e22b70acff
Remove the 'env' command, as we have the variable (#8185)
# Description

Removes the `env` command, as the `$env` is generally a much better
experience.

# User-Facing Changes

Breaking change: Removes `env`.

# 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

# 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.
2023-03-01 21:20:00 +13:00
Jérémy Audiger
a5c604c283
Uniformize usage() and extra_usage() message ending for commands helper. (#8268)
# Description

Working on uniformizing the ending messages regarding methods usage()
and extra_usage(). This is related to the issue
https://github.com/nushell/nushell/issues/5066 after discussing it with
@jntrnr

# 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

# 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.
2023-02-28 21:33:02 -08:00
Ryan Devenney
644164fab3
math floor and ceil round to int rather than float #8258 (#8269)
# Description

#8258 

Math floor and ceil return int types rather than floats.

# User-Facing Changes

Before:
```
/home/rdevenney/projects/open_source/nushell〉[(3.14 | math ceil | describe), 
(3.14 | math floor | describe), 
(3 | math ceil | describe), 
(3 | math floor | describe)]
╭───┬───────╮
│ 0 │ float │
│ 1 │ float │
│ 2 │ int   │
│ 3 │ int   │
╰───┴───────╯

```

After:
```
/home/rdevenney/projects/open_source/nushell〉[(3.14 | math ceil | describe), 
(3.14 | math floor | describe), 
(3 | math ceil | describe), 
(3 | math floor | describe)]
╭───┬─────╮
│ 0 │ int │
│ 1 │ int │
│ 2 │ int │
│ 3 │ int │
╰───┴─────╯

```

# 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

# 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.
2023-02-28 21:28:16 -08:00
Victor Wong
592e677caf
Type mismatch span fix #7288 (#8271)
# Description

This change fixes the bug associated with an incorrect span in
`type_mismatch` error message as described in #7288

The `span` argument in the method `into_value` was not being used to
convert a `PipelineData::Value` type so when called in
[eval_expression](https://github.com/nushell/nushell/blob/main/crates/nu-engine/src/eval.rs#L514-L515),
the original expression's span was not being used to overwrite the
result of `eval_subexpression`.

# User-Facing Changes

Using the example described in the issue, the whole bracketed
subexpression is correctly underlined.

Behavior before change:

```
let val = 10
($val | into string) + $val
Error: nu:🐚:type_mismatch

  × Type mismatch during operation.
   ╭─[entry #2:1:1]
 1 │ ($val | into string) + $val
   ·         ─────┬─────  ┬ ──┬─
   ·              │       │   ╰── int
   ·              │       ╰── type mismatch for operator
   ·              ╰── string
   ╰────
```

Behavior after change:
```
let val = 10
($val | into string) + $val
Error: nu:🐚:type_mismatch

  × Type mismatch during operation.
   ╭─[entry #2:1:1]
 1 │ ($val | into string) + $val
   · ──────────┬───────── ┬ ──┬─
   ·           │          │   ╰── int
   ·           │          ╰── type mismatch for operator
   ·           ╰── string
   ╰────
```


# 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

# 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.
2023-02-28 21:12:53 -08:00
Reilly Wood
cc7bdebc1c
Switch http to https in banner (#8272)
Changing `http` to `https` in the banner now that `https://nushell.sh`
works: https://github.com/nushell/nushell.github.io/issues/294
2023-02-28 20:32:31 -08:00
Jérémy Audiger
50f1e33965
Fix insecure + max-time arguments for HTTP commands. (#8266)
# Description

Follow up of https://github.com/nushell/nushell/pull/8255

Sorry about the max-time argument, I didn't pay attention to the
copy-paste. Regarding the insecure argument, the problem was before I
began to work on the refacto. My mistake was to not have tested this
argument.

# 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

# 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.
2023-02-28 14:33:28 -06:00
alesito85
ffc3727a1e
Fixes insecure and timeout flags (#8255)
# Description

Fixes #8098 by properly parsing `insecure` flag and also fixes the
`timeout` flag, which is described as `max-time` (from curl?).

# User-Facing Changes

The only change is that the flags now work.

# Tests + Formatting

Everything passes.

# Screenshots

Before

![image](https://user-images.githubusercontent.com/4399118/221845043-6dfba69d-daea-49a7-b55c-7ee628551b1c.png)

After


![image](https://user-images.githubusercontent.com/4399118/221845382-0111cbe9-4ba6-4de1-9e2a-655efbc65a26.png)
2023-02-28 06:48:15 -06:00
Michael Angerman
b093d5d10d
clean up nu-cmd-lang Cargo.toml (#8252)
Remove all un-used dependencies in nu-cmd-lang's Cargo.toml
2023-02-27 21:56:21 -08:00
Antoine Stevan
9e589a9d93
FEATURE: add the first draft of the standard library (#8150)
hello there 👋 😋 

as discussed over on the discord server, in `#standard-library`, there
is this new project of putting together a bunch of "_standard_" scripts
and functions and propose a `nushell` "_standard library_".
this PR is the first one in that direction 🎉 

> **Note**
> ~~this PR is still a draft to have some feedback 😌~~ 
> this PR is now **READY FOR REVIEW** 🎉 

# Description
this PR implements the following few commands:
- the `assert` familly with a private helper `_assert`
- a version of the `match` statement

i've also added some examples in the docstrings of the functions 👍 

# User-Facing Changes
the standard library can now be used with
```bash
use crates/nu-utils/src/sample_config/std.nu
```
from the root of the `nushell` source

# Tests + Formatting
i've written a first draft of a
[`tests.nu`](https://github.com/amtoine/nushell/blob/feature/first-draft-of-the-standard-library/crates/nu-utils/src/sample_config/tests.nu)
module which
- tests the `assert` familly of function in `test_assert`
- tests the rest of the standard library in `tests`

the tests are run with
```bash
nu crates/nu-utils/src/sample_config/tests.nu
```
through the `main` function and should give no error 👍 

> **Note**
> if you change one of the test line, there should be an error popping
when running the tests 😉

# After Submitting
> **Warning**
> to be coming
2023-02-27 17:52:47 -06:00
Michael Angerman
f8d2bff283
cratification: Example support (#8231)
# Description

When the crate nu_cmd_lang crate was created last week example_test.rs
was copied over from nu_command
to nu_cmd_lang. By doing this there was a set of methods in
example_test.rs that existed in both crates...

This PR removes the redundancy by moving all of those duplicated methods
into the crate nu_test_support in a newly created file called
example_support.rs


_(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

# 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.
2023-02-27 13:58:56 -08:00
mike
0a2e711351
fix: allow subtraction of durations from dates (#8247)
`date` - `duration` is
[implemented](ba5258d716/crates/nu-protocol/src/value/mod.rs (L2145))
but the type checker rejects it

this pr fixes that
2023-02-27 21:17:58 +01:00
baehyunsol
ba5258d716
remove unnecessary rows in into datetime --list (#8243)
Below is the result of `into datetime --list | uniq -d`.

```
╭───┬───────────────┬─────────┬───────────────────────────────────────╮
│ # │ Specification │ Example │              Description              │
├───┼───────────────┼─────────┼───────────────────────────────────────┤
│ 0 │ %Y            │ 2023    │ The full proleptic Gregorian year,    │
│   │               │         │ zero-padded to 4 digits.              │
│ 1 │ %C            │ 20      │ The proleptic Gregorian year divided  │
│   │               │         │ by 100, zero-padded to 2 digits.      │
╰───┴───────────────┴─────────┴───────────────────────────────────────╯
```

It's supposed to be an empty table, but it has two rows. I removed the
duplicates.

# User-Facing Changes

`into datetime --list` will print out a correct table.
2023-02-27 11:21:52 +01:00
dependabot[bot]
c358400351
Bump procfs from 0.14.1 to 0.15.1 (#8233)
Bumps [procfs](https://github.com/eminence/procfs) from 0.14.1 to
0.15.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/eminence/procfs/releases">procfs's
releases</a>.</em></p>
<blockquote>
<h2>v0.15.1</h2>
<h2>New features</h2>
<ul>
<li>Change Stat::comm documentation by <a
href="https://github.com/rust1248"><code>@​rust1248</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/251">eminence/procfs#251</a></li>
<li>Add docs and a as_str method to MMPermission by <a
href="https://github.com/eminence"><code>@​eminence</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/252">eminence/procfs#252</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/rust1248"><code>@​rust1248</code></a>
made their first contribution in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/251">eminence/procfs#251</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/eminence/procfs/compare/v0.15.0...v0.15.1">https://github.com/eminence/procfs/compare/v0.15.0...v0.15.1</a></p>
<h2>v0.15.0</h2>
<h2>New Features</h2>
<ul>
<li>Add /proc/iomem by <a
href="https://github.com/tatref"><code>@​tatref</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/216">eminence/procfs#216</a></li>
<li>Add new functions to read various net files for a specific process
by <a href="https://github.com/eminence"><code>@​eminence</code></a> in
<a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/226">eminence/procfs#226</a></li>
<li>add /proc/kpageflags by <a
href="https://github.com/tatref"><code>@​tatref</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/233">eminence/procfs#233</a></li>
<li>Enable oppportunistic fd counting fast path by <a
href="https://github.com/bobrik"><code>@​bobrik</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/234">eminence/procfs#234</a></li>
<li>add /proc/kpagecount by <a
href="https://github.com/tatref"><code>@​tatref</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/232">eminence/procfs#232</a></li>
<li>Add new <code>/proc/meminfo</code> fields. by <a
href="https://github.com/afranchuk"><code>@​afranchuk</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/238">eminence/procfs#238</a></li>
<li>impl Hash for kernel version by <a
href="https://github.com/tatref"><code>@​tatref</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/240">eminence/procfs#240</a></li>
</ul>
<h2>Bug fixes</h2>
<ul>
<li>fix chrono::Local::timestamp deprecated in chrono 0.4.23 by <a
href="https://github.com/tatref"><code>@​tatref</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/220">eminence/procfs#220</a></li>
<li>Fix some minor documentation issues by <a
href="https://github.com/eminence"><code>@​eminence</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/225">eminence/procfs#225</a></li>
<li>Fixes the reported path when a task's function returns an error by
<a href="https://github.com/eminence"><code>@​eminence</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/230">eminence/procfs#230</a></li>
<li>fix shm size type by <a
href="https://github.com/tatref"><code>@​tatref</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/243">eminence/procfs#243</a></li>
</ul>
<h2>Breaking changes</h2>
<ul>
<li>ticks_per_second and page_size are infallible by <a
href="https://github.com/eminence"><code>@​eminence</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/235">eminence/procfs#235</a></li>
<li>parse uid for /proc/net/{tcp,udp} by <a
href="https://github.com/trinity-1686a"><code>@​trinity-1686a</code></a>
in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/231">eminence/procfs#231</a></li>
<li>Refactor and expose memory map processing. by <a
href="https://github.com/afranchuk"><code>@​afranchuk</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/237">eminence/procfs#237</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/trinity-1686a"><code>@​trinity-1686a</code></a>
made their first contribution in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/231">eminence/procfs#231</a></li>
<li><a href="https://github.com/afranchuk"><code>@​afranchuk</code></a>
made their first contribution in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/238">eminence/procfs#238</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/eminence/procfs/compare/v0.14.2...v0.15.0">https://github.com/eminence/procfs/compare/v0.14.2...v0.15.0</a></p>
<h2>MSRV Note</h2>
<p>This <code>v0.15</code> release is only tested against the latest
stable rust compiler, but is known to work with older versions (down to
rust 1.48). Support for these older compilers may break in
<code>procfs</code> patch releases. See also <a
href="https://github-redirect.dependabot.com/eminence/procfs/issues/223">#223</a></p>
<h2>v0.14.2</h2>
<h2>New Features</h2>
<ul>
<li>Process: Namespace: Use openat instead of building a path by <a
href="https://github.com/arilou"><code>@​arilou</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/192">eminence/procfs#192</a></li>
<li>add serde serialize/deserialize derives for public types by <a
href="https://github.com/eliad-wiz"><code>@​eliad-wiz</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/193">eminence/procfs#193</a></li>
<li>Disabling default features on the <code>chrono</code> crate by <a
href="https://github.com/Will-Low"><code>@​Will-Low</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/210">eminence/procfs#210</a></li>
<li>Implement smaps_rollup by <a
href="https://github.com/TaborKelly"><code>@​TaborKelly</code></a> in <a
href="https://github-redirect.dependabot.com/eminence/procfs/pull/214">eminence/procfs#214</a></li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="16ccc15aa1"><code>16ccc15</code></a>
Merge pull request <a
href="https://github-redirect.dependabot.com/eminence/procfs/issues/253">#253</a>
from eminence/v0_15_1</li>
<li><a
href="4b5b61a89d"><code>4b5b61a</code></a>
Version 0.15.1</li>
<li><a
href="b7f66d5a8c"><code>b7f66d5</code></a>
Merge pull request <a
href="https://github-redirect.dependabot.com/eminence/procfs/issues/252">#252</a>
from eminence/mmperms</li>
<li><a
href="af961235ff"><code>af96123</code></a>
Add docs and a as_str method to MMPermission</li>
<li><a
href="6c6ddbd42e"><code>6c6ddbd</code></a>
Merge pull request <a
href="https://github-redirect.dependabot.com/eminence/procfs/issues/251">#251</a>
from rust1248/task/fix-comm-docs</li>
<li><a
href="7e7afab4f8"><code>7e7afab</code></a>
Change Stat::comm documentation</li>
<li><a
href="391bd13a0a"><code>391bd13</code></a>
Merge pull request <a
href="https://github-redirect.dependabot.com/eminence/procfs/issues/247">#247</a>
from eminence/statat_nofollow</li>
<li><a
href="d0a7c09304"><code>d0a7c09</code></a>
Don't use SYMLINK_NOFOLLOW in a statat call</li>
<li><a
href="940c163242"><code>940c163</code></a>
Merge pull request <a
href="https://github-redirect.dependabot.com/eminence/procfs/issues/248">#248</a>
from eminence/criterion_update</li>
<li><a
href="0e31f6c8ee"><code>0e31f6c</code></a>
Update criterion dev-depencency</li>
<li>Additional commits viewable in <a
href="https://github.com/eminence/procfs/compare/v0.14.1...v0.15.1">compare
view</a></li>
</ul>
</details>
<br />


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2023-02-27 20:53:01 +13:00
Jakub Žádník
a3f817d71b
Re-implement aliases (#8123)
# Description

This PR adds an alternative alias implementation. Old aliases still work
but you need to use `old-alias` instead of `alias`.

Instead of replacing spans in the original code and re-parsing, which
proved to be extremely error-prone and a constant source of panics, the
new implementation creates a new command that references the old
command. Consider the new alias defined as `alias ll = ls -l`. The
parser creates a new command called `ll` and remembers that it is
actually a `ls` command called with the `-l` flag. Then, when the parser
sees the `ll` command, it will translate it to `ls -l` and passes to it
any parameters that were passed to the call to `ll`. It works quite
similar to how known externals defined with `extern` are implemented.

The new alias implementation should work the same way as the old
aliases, including exporting from modules, referencing both known and
unknown externals. It seems to preserve custom completions and pipeline
metadata. It is quite robust in most cases but there are some rough
edges (see later).

Fixes https://github.com/nushell/nushell/issues/7648,
https://github.com/nushell/nushell/issues/8026,
https://github.com/nushell/nushell/issues/7512,
https://github.com/nushell/nushell/issues/5780,
https://github.com/nushell/nushell/issues/7754

No effect: https://github.com/nushell/nushell/issues/8122 (we might
revisit the completions code after this PR)

Should use custom command instead:
https://github.com/nushell/nushell/issues/6048

# User-Facing Changes

Since aliases are now basically commands, it has some new implications:

1. `alias spam = "spam"` (requires command call)
	* **workaround**: use `alias spam = echo "spam"`
2. `def foo [] { 'foo' }; alias foo = ls -l` (foo defined more than
once)
* **workaround**: use different name (commands also have this
limitation)
4. `alias ls = (ls | sort-by type name -i)`
* **workaround**: Use custom command. _The common issue with this is
that it is currently not easy to pass flags through custom commands and
command referencing itself will lead to stack overflow. Both of these
issues are meant to be addressed._
5. TODO: Help messages, `which` command, `$nu.scope.aliases`, etc.
* Should we treat the aliases as commands or should they be separated
from regular commands?
6. Needs better error message and syntax highlight for recursed alias
(`alias f = f`)
7. Can't create alias with the same name as existing command (`alias ls
= ls -a`)
	* Might be possible to add support for it (not 100% sure)
8. Standalone `alias` doesn't list aliases anymore
9. Can't alias parser keywords (e.g., stuff like `alias ou = overlay
use` won't work)
	* TODO: Needs a better error message when attempting to do so

# 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
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- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
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style
- `cargo test --workspace` to check that all tests pass

# After Submitting

If your PR had any user-facing changes, update [the
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PR is merged, if necessary. This will help us keep the docs up to date.
2023-02-27 20:44:05 +13:00
Gustavo Maia
c6e2607868
Add Remove welcome message tutorial (#8217)
# Description

Added message sending to docs to how to remove message tutorial:

![welcome
message](https://user-images.githubusercontent.com/67283753/221384655-9218c256-b4d6-44e5-95c6-68c50c235cb7.png)



# User-Facing Changes

- Easy to find how to remove Welcome Message


Fixes #8216  issue
2023-02-27 19:49:50 +13:00
dependabot[bot]
a09aaf3495
Bump csv from 1.1.6 to 1.2.0 (#8235)
Bumps [csv](https://github.com/BurntSushi/rust-csv) from 1.1.6 to 1.2.0.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="fa01b78533"><code>fa01b78</code></a>
1.2.0</li>
<li><a
href="2ba20b55d9"><code>2ba20b5</code></a>
readme: various updates</li>
<li><a
href="521294f87b"><code>521294f</code></a>
msrv: set rust-version = 1.60</li>
<li><a
href="31c8ebc49d"><code>31c8ebc</code></a>
readme: updates and set rust-version</li>
<li><a
href="a0e83883e2"><code>a0e8388</code></a>
deps: drop 'bstr'</li>
<li><a
href="9e1126a3f4"><code>9e1126a</code></a>
cargo: update some fields</li>
<li><a
href="d7a4f7dcc6"><code>d7a4f7d</code></a>
rust: move to 2021 edition</li>
<li><a
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error: drop 'source' impl</li>
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*: better import grouping and short hand struct init</li>
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*: fix all warnings and update code</li>
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2023-02-27 19:48:51 +13:00
dependabot[bot]
ffc8e752a5
Bump bytesize from 1.1.0 to 1.2.0 (#8236)
Bumps [bytesize](https://github.com/hyunsik/bytesize) from 1.1.0 to
1.2.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/hyunsik/bytesize/releases">bytesize's
releases</a>.</em></p>
<blockquote>
<h2>Release 1.2.0</h2>
<h2>Changes</h2>
<ul>
<li>serde improvements <a
href="https://github-redirect.dependabot.com/hyunsik/bytesize/issues/29">#29</a>
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href="https://github.com/joeroback"><code>@​joeroback</code></a>)</li>
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<li><a
href="476dc867b2"><code>476dc86</code></a>
Remove -dev suffix for release</li>
<li><a
href="eaaf3bc097"><code>eaaf3bc</code></a>
Merge pull request <a
href="https://github-redirect.dependabot.com/hyunsik/bytesize/issues/29">#29</a>
from joeroback/serde_improvements</li>
<li><a
href="c7a785bd2c"><code>c7a785b</code></a>
resolves <a
href="https://github-redirect.dependabot.com/hyunsik/bytesize/issues/27">#27</a>,
fixes several clippy warnings with u16/u8 and is_digit/is_ascii...</li>
<li><a
href="db44636f05"><code>db44636</code></a>
Merge pull request <a
href="https://github-redirect.dependabot.com/hyunsik/bytesize/issues/28">#28</a>
from ileixe/master</li>
<li><a
href="58cf4a5024"><code>58cf4a5</code></a>
Change as_u64() to const</li>
<li><a
href="065c00b54f"><code>065c00b</code></a>
Change the crate version to 1.2.0-dev</li>
<li>See full diff in <a
href="https://github.com/hyunsik/bytesize/compare/v1.1.0...v1.2.0">compare
view</a></li>
</ul>
</details>
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2023-02-27 19:48:14 +13:00
dependabot[bot]
6ca07b87b9
Bump sysinfo from 0.27.7 to 0.28.0 (#8237)
Bumps [sysinfo](https://github.com/GuillaumeGomez/sysinfo) from 0.27.7
to 0.28.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/GuillaumeGomez/sysinfo/blob/master/CHANGELOG.md">sysinfo's
changelog</a>.</em></p>
<blockquote>
<h1>0.28.0</h1>
<ul>
<li>Linux: Fix name and CPU usage for processes tasks.</li>
<li>unix: Keep all users, even &quot;not real&quot; accounts.</li>
<li>Windows: Use SID for Users ID.</li>
<li>Fix C API.</li>
<li>Disable default cdylib compilation.</li>
<li>Add <code>serde</code> feature to enable serialization.</li>
<li>Linux: Handle <code>Idle</code> state in
<code>ProcessStatus</code>.</li>
<li>Linux: Add brand and name of ARM CPUs.</li>
</ul>
<h1>0.27.8</h1>
<ul>
<li>macOS: Fix overflow when computing CPU usage.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/GuillaumeGomez/sysinfo/commits">compare
view</a></li>
</ul>
</details>
<br />


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2023-02-27 19:47:59 +13:00
David Matos
96e3a3de68
Error out when Select gets same row (#8200)
# Description
Fixes #8145, by disallowing any rows that are duplicated.

```
❯ ls | select 0 0
Error: 
  × Select only allows unique rows
   ╭─[entry #1:1:1]
 1 │ ls | select 0 0
   ·               ┬
   ·               ╰── duplicated row
   ╰────

```

# 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:

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

# 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: Reilly Wood <reilly.wood@icloud.com>
2023-02-26 18:14:15 -08:00
Reilly Wood
2aa5c2c41f
Simplify str trim command (#8205)
### What?

This change removes 3 flags (`--all`, `--both`, and `--format`) from
`str trim`. This is a net reduction of ~450 LoC and `str trim` no longer
depends on `fancy_regex`.

### Why?

I found these flags to be quite confusing when reviewing `str trim`
earlier today:

1. `--all` removes characters even if they're in the centre of the the
string.
- This is arguably not "trimming"! In all programming languages I'm
familiar with, trimming only affects the start and end of a string.
    - If someone needs to do this, `str replace` is more natural IMO
2. `--both` trims from the left and right
- Confusing and unnecessary given that this is also the default
behaviour
3. `--format` replaces multiple spaces with a single space, even in the
centre of the string
- Again, I don't think this falls under the scope of "trimming". IMO
`str replace` is a more natural fit

I believe that `str trim` is simpler and easier to understand after this
change.

### Before

```
〉help str trim
Trim whitespace or specific character

Search terms: whitespace, strip, lstrip, rstrip

Usage:
  > str trim {flags} ...(rest)

Flags:
  -h, --help - Display the help message for this command
  -c, --char <String> - character to trim (default: whitespace)
  -l, --left - trims characters only from the beginning of the string
  -r, --right - trims characters only from the end of the string
  -a, --all - trims all characters from both sides of the string *and* in the middle
  -b, --both - trims all characters from left and right side of the string
  -f, --format - trims spaces replacing multiple characters with singles in the middle
```

### After

```
〉help str trim
Trim whitespace or specific character

Search terms: whitespace, strip, lstrip, rstrip

Usage:
  > str trim {flags} ...(rest)

Flags:
  -h, --help - Display the help message for this command
  -c, --char <String> - character to trim (default: whitespace)
  -l, --left - trims characters only from the beginning of the string
  -r, --right - trims characters only from the end of the string
```
2023-02-26 12:23:30 -08:00
Xoffio
4b3e3a37a3
Ctrl+c interruption - cp command (#8219)
# Description
if you try to copy a big file with `cp` you will noticed that you can't
interrupt the process. This pull request fix that.
This was discuss here
https://github.com/nushell/nushell/pull/8012#issuecomment-1427313054

# User-Facing Changes
None

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

---------

Co-authored-by: Reilly Wood <reilly.wood@icloud.com>
2023-02-26 12:18:20 -08:00
Antoine Stevan
2492165fcb
FEATURE: print example command results in the help (#8189)
Should close #8035.

> **Note**
> this is my first technical PR for `nushell`
> - i might very well miss things
> - i tried to be as complete as possible about the changes
> - please require further changes if i did something wrong, i'm open to
any remark 😌

# Description
this PR adds, when it is defined in the `examples` method of the
`Command` implementations, the output of the examples to the output of
the `help` command.

this PR
- only modifies `crates/nu-engine/src/documentation.rs` and the
`get_documentation` function
- defines a new `WD` constant to print a **W**hite **D**immed `...`
- a `match` statement at the end of the example loop to
- print a white dimmed `...` when the example is not set, i.e. set to
`None` in the `examples` method of the `Command` implementation of a
command
- pretty print the output of the associated example `Value` when it has
been defined

> **Warning**
> LIMITATIONS:
> - i use snippets from `crates/nu-protocol/src/pipeline_data.rs`
> - the table creation from `pub PipelineData::print`, i.e. the `let
decl_id = ...;` and `let table = ...;` in the change
> - the table item printing from `PipelineData::write_all_and_flush`,
i.e. the `for item in table { ... }`
>
> ADDRESSED:
> - ~~the formatting of the output is not perfect and has to be fully
left aligned with the first column for now~~ (fixed with
[`5abeefd558c34ba9bae15e2f183ff4625442921e`..`a62be1b5a2c730959da5dbc028bb91ffe5093f63`](5abeefd558c34ba9bae15e2f183ff4625442921e..a62be1b5a2c730959da5dbc028bb91ffe5093f63))
> - ~~i'm using `.unwrap()` on both the changes above, not sure how to
handle this for now~~ (fixed for now thanks to 49f1dc080)
> - ~~the tests and `clippy` checks do not pass for now, see below~~
(`clippy` now is happy with 49f1dc080 and the tests pass with
11666bc715)

# User-Facing Changes
the output of the `help <command>` command is now augmented with the
outputs of the examples, when they are defined.
- `with-env`
```bash
> help with-env
...
Examples:
  Set the MYENV environment variable
  > with-env [MYENV "my env value"] { $env.MYENV }
  my env value

  Set by primitive value list
  > with-env [X Y W Z] { $env.X }
  Y

  Set by single row table
  > with-env [[X W]; [Y Z]] { $env.W }
  Z

  Set by key-value record
  > with-env {X: "Y", W: "Z"} { [$env.X $env.W] }
  ╭───┬───╮
  │ 0 │ Y │
  │ 1 │ Z │
  ╰───┴───╯
```
instead of the previous
```bash
> help with-env
...
Examples:
  Set the MYENV environment variable
  > with-env [MYENV "my env value"] { $env.MYENV }

  Set by primitive value list
  > with-env [X Y W Z] { $env.X }

  Set by single row table
  > with-env [[X W]; [Y Z]] { $env.W }

  Set by key-value record
  > with-env {X: "Y", W: "Z"} { [$env.X $env.W] }
```
- `merge`
```bash
> help merge
...
Examples:
  Add an 'index' column to the input table
  > [a b c] | wrap name | merge ( [1 2 3] | wrap index )
  ╭───┬──────╮
  │ # │ name │
  ├───┼──────┤
  │ 1 │ a    │
  │ 2 │ b    │
  │ 3 │ c    │
  ╰───┴──────╯

  Merge two records
  > {a: 1, b: 2} | merge {c: 3}
  ╭───┬───╮
  │ a │ 1 │
  │ b │ 2 │
  │ c │ 3 │
  ╰───┴───╯

  Merge two tables, overwriting overlapping columns
  > [{columnA: A0 columnB: B0}] | merge [{columnA: 'A0*'}]
  ╭───┬─────────┬─────────╮
  │ # │ columnA │ columnB │
  ├───┼─────────┼─────────┤
  │ 0 │ A0*     │ B0      │
  ╰───┴─────────┴─────────╯
```
instead of the previous
```bash
> help merge
...
Examples:
  Add an 'index' column to the input table
  > [a b c] | wrap name | merge ( [1 2 3] | wrap index )

  Merge two records
  > {a: 1, b: 2} | merge {c: 3}

  Merge two tables, overwriting overlapping columns
  > [{columnA: A0 columnB: B0}] | merge [{columnA: 'A0*'}]
```
2023-02-26 21:05:11 +01:00
Doru
c602b5a1e8
special-case ExternalStream in bytes starts-with (#8203)
# Description
`bytes starts-with` converts the input into a `Value` before running
.starts_with to find if the binary matches. This has two side effects:
it makes the code simpler, only dealing in whole values, and simplifying
a lot of input pipeline handling and value transforming it would
otherwise have to do. _Especially_ in the presence of a cell path to
drill into. It also makes buffers the entire input into memory, which
can take up a lot of memory when dealing with large files, especially if
you only want to check the first few bytes (like for a magic number).

This PR adds a special branch on PipelineData::ExternalStream with a
streaming version of starts_with.

# User-Facing Changes
Opening large files and running bytes starts-with on them will not take
a long time.

# 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

# Drawbacks
Streaming checking is more complicated, and there may be bugs. I tested
it with multiple chunks with string data and binary data and it seems to
work alright up to 8k and over bytes, though.

The existing `operate` method still exists because the way it handles
cell paths and values is complicated. This causes some "code
duplication", or at least some intent duplication, between the value
code and the streaming code. This might be worthwhile considering the
performance gains (approaching infinity on larger inputs).

Another thing to consider is that my ExternalStream branch considers
string data as valid input. The operate branch only parses Binary
values, so it would fail. `open` is kind of unpredictable on whether it
returns string data or binary data, even when passing `--raw`. I think
this can be a problem but not really one I'm trying to tackle in this
PR, so, it's worth considering.
2023-02-26 15:17:44 +01:00
pwygab
9bbb9711e4
allow for arguments in EDITOR and VISUAL env vars (#8105)
# Description

Fixes #8051.

# User-Facing Changes

You can now put command arguments into the EDITOR and VISUAL config /
env variables.

# Tests + Formatting

I don't know how to write tests for this. However, I set $env.EDITOR to
"nvim -R" and it seemed to work.

# 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.
2023-02-26 06:56:38 -06:00
Antoine Stevan
680405e527
REFACTOR: format some example commands (#8223)
hellord 👋 😋 

# Description
this PR fixes the format of a few single-line examples and the
indentation of some multi-line examples
- single-line example formatting
  - `compact`
- multi-line example indentation
  - `update cells`
  - `error make
  - `split-by`

# User-Facing Changes
- `compact`

from
```bash
Examples:
  Filter out all records where 'Hello' is null (returns nothing)
  > [["Hello" "World"]; [null 3]]| compact Hello

  Filter out all records where 'World' is null (Returns the table)
  > [["Hello" "World"]; [null 3]]| compact World
```
to
```bash
Examples:
  Filter out all records where 'Hello' is null (returns nothing)
  > [["Hello" "World"]; [null 3]] | compact Hello

  Filter out all records where 'World' is null (Returns the table)
  > [["Hello" "World"]; [null 3]] | compact World
```
- `update cells`

from
```bash
Examples:
  Update the zero value cells to empty strings.
  > [
    ["2021-04-16", "2021-06-10", "2021-09-18", "2021-10-15", "2021-11-16", "2021-11-17", "2021-11-18"];
    [          37,            0,            0,            0,           37,            0,            0]
] | update cells { |value|
      if $value == 0 {
        ""
      } else {
        $value
      }
}

  Update the zero value cells to empty strings in 2 last columns.
  > [
    ["2021-04-16", "2021-06-10", "2021-09-18", "2021-10-15", "2021-11-16", "2021-11-17", "2021-11-18"];
    [          37,            0,            0,            0,           37,            0,            0]
] | update cells -c ["2021-11-18", "2021-11-17"] { |value|
        if $value == 0 {
          ""
        } else {
          $value
        }
}
```
to
```bash
Examples:
  Update the zero value cells to empty strings.
  > [
        ["2021-04-16", "2021-06-10", "2021-09-18", "2021-10-15", "2021-11-16", "2021-11-17", "2021-11-18"];
        [          37,            0,            0,            0,           37,            0,            0]
    ] | update cells { |value|
          if $value == 0 {
            ""
          } else {
            $value
          }
    }

  Update the zero value cells to empty strings in 2 last columns.
  > [
        ["2021-04-16", "2021-06-10", "2021-09-18", "2021-10-15", "2021-11-16", "2021-11-17", "2021-11-18"];
        [          37,            0,            0,            0,           37,            0,            0]
    ] | update cells -c ["2021-11-18", "2021-11-17"] { |value|
            if $value == 0 {
              ""
            } else {
              $value
            }
    }
```
- `split-by`

from
```bash
Examples:
  split items by column named "lang"
  >
                {
                    '2019': [
                      { name: 'andres', lang: 'rb', year: '2019' },
                      { name: 'jt', lang: 'rs', year: '2019' }
                    ],
                    '2021': [
                      { name: 'storm', lang: 'rs', 'year': '2021' }
                    ]
                } | split-by lang
```
to
```bash
Examples:
  split items by column named "lang"
  > {
        '2019': [
          { name: 'andres', lang: 'rb', year: '2019' },
          { name: 'jt', lang: 'rs', year: '2019' }
        ],
        '2021': [
          { name: 'storm', lang: 'rs', 'year': '2021' }
        ]
    } | split-by lang
```
- `error make`

from
```bash
Examples:
  Create a custom error for a custom command
  > def foo [x] {
      let span = (metadata $x).span;
      error make {msg: "this is fishy", label: {text: "fish right here", start: $span.start, end: $span.end } }
    }

  Create a simple custom error for a custom command
  > def foo [x] {
      error make {msg: "this is fishy"}
    }
```
to
```bash
Examples:
  Create a custom error for a custom command
  > def foo [x] {
        let span = (metadata $x).span;
        error make {msg: "this is fishy", label: {text: "fish right here", start: $span.start, end: $span.end } }
    }

  Create a simple custom error for a custom command
  > def foo [x] {
        error make {msg: "this is fishy"}
    }
```

# Tests + Formatting
no tests have been changed => this is a pure formatting PR

- ✔️ `cargo fmt --all`
- ✔️ `cargo clippy --workspace -- -D warnings -D
clippy::unwrap_used -A clippy::needless_collect`
- ✔️ `cargo test --workspace`

# After Submitting
need to change the book? 🤔
2023-02-26 06:50:05 -06:00
pwygab
44595b44c5
add case insensitive switch to starts-with and ends-with (#8221)
# Description

Fixes #8202

# User-Facing Changes
`str starts-with` and `str ends-with` now has a `-i` switch.

# 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

# 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.
2023-02-26 06:48:09 -06:00
Stefan Holderbach
b27c7702f9
Test more datatypes in nuon (#8211)
# Description

While working on #8210 I noticed that we did not explicitly check a
number of `Value` variants for proper serialization and deserialization.


- Test filesize in `to/from nuon`
- Test duration in `from/to nuon`
- Test datetime in `from/to nuon`
- Test graceful failure of closure in `to nuon`


# User-Facing Changes

(-)

# Tests + Formatting

All about them tests
2023-02-25 19:26:34 +01:00
Kovacsics Robert
378a3ae05f
Use with-env to avoid calling external command on invalid command (#8209)
# Description

My terminal emulator happens to be called `st`
(https://st.suckless.org/) which breaks these tests for me

_(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

# 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.
2023-02-25 09:36:51 -08:00
Stefan Holderbach
836a56b347
Revert range expansion for to nuon (#8210)
# Description

The code to generate the nuon format supports writing range literals,
which obviates the need to expand the range as added in #8047

# User-Facing Changes

`to nuon` will still output ranges as literals

# Tests + Formatting

- Add test for `to nuon` range output
- Add `from nuon` test for range
2023-02-25 18:29:30 +01:00
baehyunsol
b1e7bb899a
Update trim_.rs (#8201)
fix typo in help messages


# 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

# 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: Reilly Wood <reilly.wood@icloud.com>
2023-02-24 22:18:20 -08:00
alesito85
7c285750c7
Fixes autocomplete when using sudo (#8094)
# Description

This PR addresses issue #2047 in order to enable autocomplete
functionality when using sudo for executing commands. I'e done a couple
of auxiliary checks such as ignoring whitespace and the last pipe in
order to determine the last command.

# User-Facing Changes

The only user facing change should be the autocomplete working.

# Tests + Formatting

All tests and formatting pass.

# Screenshots

<img width="454" alt="image"
src="https://user-images.githubusercontent.com/4399118/219404037-6cce4358-68a9-42bb-a09b-2986b10fa6cc.png">

# Suggestions welcome

I still don't know the in's and out's if nushell very well, any
suggestions for improvements are welcome.
2023-02-24 15:05:36 -08:00
Jakub Žádník
e93a8b1d32
Move profiling metadata collecting to function (#8198) 2023-02-25 00:29:07 +02:00
David Matos
42f0b55de0
allow Range to expand to array-like when converting to json (#8047)
# Description
Fixes #8002, which expands ranges `1..3` to expand to array-like when
saving and converting to json. Now,

```
> 1..3 | save foo.json
# foo.json
[
    1,
    2,
    3
]


> 1..3 | to json
[
    1,
    2,
    3
]
```
# 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:

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

# 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.
2023-02-24 15:31:33 -06:00
Henry Jetmundsen
253b223e65
pipe binary data to external commands (#8058)
Fixes #7615 

# Description

When calling external commands, we create a table from the pipeline data
to handle external commands expecting paginated input. When a binary
value is made into a table, we convert the vector of bytes representing
the binary bytes into a pretty formatted string. This results in the
pretty formatted string being sent to external commands instead of the
actual binary bytes. By checking whether the stdout of the call is being
redirected, we can decide whether to send the raw binary bytes or the
pretty formatted output when creating a table command.

# User-Facing Changes

When passing binary values to external commands, the external command
will receive the actual bytes instead of the pretty printed string. Use
cases that don't involve piping a binary value into an external command
are unchanged.


![new_behavior](https://user-images.githubusercontent.com/32406734/218349172-24cd12f2-d563-4957-bdf1-6aa804b174b2.png)

# 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

# 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.
2023-02-24 21:39:52 +01:00