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> **Note**
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- [x] reedline
- [x] released
- [x] pinned
- [ ] git dependency check
- [ ] release notes
# Description
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crates/nu-std"` to run the tests for the standard library
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Finishes implementing https://github.com/nushell/nushell/issues/10598,
which asks for a spread operator in lists, in records, and when calling
commands.
# Description
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This PR will allow spreading arguments to commands (both internal and
external). It will also deprecate spreading arguments automatically when
passing to external commands.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
- Users will be able to use `...` to spread arguments to custom/builtin
commands that have rest parameters or allow unknown arguments, or to any
external command
- If a custom command doesn't have a rest parameter and it doesn't allow
unknown arguments either, the spread operator will not be allowed
- Passing lists to external commands without `...` will work for now but
will cause a deprecation warning saying that it'll stop working in 0.91
(is 2 versions enough time?)
Here's a function to help with demonstrating some behavior:
```nushell
> def foo [ a, b, c?, d?, ...rest ] { [$a $b $c $d $rest] | to nuon }
```
You can pass a list of arguments to fill in the `rest` parameter using
`...`:
```nushell
> foo 1 2 3 4 ...[5 6]
[1, 2, 3, 4, [5, 6]]
```
If you don't use `...`, the list `[5 6]` will be treated as a single
argument:
```nushell
> foo 1 2 3 4 [5 6] # Note the double [[]]
[1, 2, 3, 4, [[5, 6]]]
```
You can omit optional parameters before the spread arguments:
```nushell
> foo 1 2 3 ...[4 5] # d is omitted here
[1, 2, 3, null, [4, 5]]
```
If you have multiple lists, you can spread them all:
```nushell
> foo 1 2 3 ...[4 5] 6 7 ...[8] ...[]
[1, 2, 3, null, [4, 5, 6, 7, 8]]
```
Here's the kind of error you get when you try to spread arguments to a
command with no rest parameter:
And this is the warning you get when you pass a list to an external now
(without `...`):
# Tests + Formatting
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crates/nu-std"` to run the tests for the standard library
> **Note**
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> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->
Added tests to cover the following cases:
- Spreading arguments to a command that doesn't have a rest parameter
(unexpected spread argument error)
- Spreading arguments to a command that doesn't have a rest parameter
*but* there's also a missing positional argument (missing positional
error)
- Spreading arguments to a command that doesn't have a rest parameter
but does allow unknown arguments, such as `exec` (allowed)
- Spreading a list literal containing arguments of the wrong type (parse
error)
- Spreading a non-list value, both to internal and external commands
- Having named arguments in the middle of rest arguments
- `explain`ing a command call that spreads its arguments
# After Submitting
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documentation](https://github.com/nushell/nushell.github.io) after the
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# Examples
Suppose you have multiple tables:
```nushell
let people = [[id name age]; [0 alice 100] [1 bob 200] [2 eve 300]]
let evil_twins = [[id name age]; [0 ecila 100] [-1 bob 200] [-2 eve 300]]
```
Maybe you often find yourself needing to merge multiple tables and want
a utility to do that. You could write a function like this:
```nushell
def merge_all [ ...tables ] { $tables | reduce { |it, acc| $acc | merge $it } }
```
Then you can use it like this:
```nushell
> merge_all ...([$people $evil_twins] | each { |$it| $it | select name age })
╭───┬───────┬─────╮
│ # │ name │ age │
├───┼───────┼─────┤
│ 0 │ ecila │ 100 │
│ 1 │ bob │ 200 │
│ 2 │ eve │ 300 │
╰───┴───────┴─────╯
```
Except they had duplicate columns, so now you first want to suffix every
column with a number to tell you which table the column came from. You
can make a command for that:
```nushell
def select_and_merge [ --cols: list<string>, ...tables ] {
let renamed_tables = $tables
| enumerate
| each { |it|
$it.item | select $cols | rename ...($cols | each { |col| $col + ($it.index | into string) })
};
merge_all ...$renamed_tables
}
```
And call it like this:
```nushell
> select_and_merge --cols [name age] $people $evil_twins
╭───┬───────┬──────┬───────┬──────╮
│ # │ name0 │ age0 │ name1 │ age1 │
├───┼───────┼──────┼───────┼──────┤
│ 0 │ alice │ 100 │ ecila │ 100 │
│ 1 │ bob │ 200 │ bob │ 200 │
│ 2 │ eve │ 300 │ eve │ 300 │
╰───┴───────┴──────┴───────┴──────╯
```
---
Suppose someone's made a command to search for APT packages:
```nushell
# The main command
def search-pkgs [
--install # Whether to install any packages it finds
log_level: int # Pretend it's a good idea to make this a required positional parameter
exclude?: list<string> # Packages to exclude
repositories?: list<string> # Which repositories to look in (searches in all if not given)
...pkgs # Package names to search for
] {
{ install: $install, log_level: $log_level, exclude: ($exclude | to nuon), repositories: ($repositories | to nuon), pkgs: ($pkgs | to nuon) }
}
```
It has a lot of parameters to configure it, so you might make your own
helper commands to wrap around it for specific cases. Here's one
example:
```nushell
# Only look for packages locally
def search-pkgs-local [
--install # Whether to install any packages it finds
log_level: int
exclude?: list<string> # Packages to exclude
...pkgs # Package names to search for
] {
# All required and optional positional parameters are given
search-pkgs --install=$install $log_level [] ["<local URI or something>"] ...$pkgs
}
```
And you can run it like this:
```nushell
> search-pkgs-local --install=false 5 ...["python2.7" "vim"]
╭──────────────┬──────────────────────────────╮
│ install │ false │
│ log_level │ 5 │
│ exclude │ [] │
│ repositories │ ["<local URI or something>"] │
│ pkgs │ ["python2.7", vim] │
╰──────────────┴──────────────────────────────╯
```
One thing I realized when writing this was that if we decide to not
allow passing optional arguments using the spread operator, then you can
(mis?)use the spread operator to skip optional parameters. Here, I
didn't want to give `exclude` explicitly, so I used a spread operator to
pass the packages to install. Without it, I would've needed to do
`search-pkgs-local --install=false 5 [] "python2.7" "vim"` (explicitly
pass `[]` (or `null`, in the general case) to `exclude`). There are
probably more idiomatic ways to do this, but I just thought it was
something interesting.
If you're a virologist of the [xkcd](https://xkcd.com/350/) kind,
another helper command you might make is this:
```nushell
# Install any packages it finds
def live-dangerously [ ...pkgs ] {
# One optional argument was given (exclude), while another was not (repositories)
search-pkgs 0 [] ...$pkgs --install # Flags can go after spread arguments
}
```
Running it:
```nushell
> live-dangerously "git" "*vi*" # *vi* because I don't feel like typing out vim and neovim
╭──────────────┬─────────────╮
│ install │ true │
│ log_level │ 0 │
│ exclude │ [] │
│ repositories │ null │
│ pkgs │ [git, *vi*] │
╰──────────────┴─────────────╯
```
Here's an example that uses the spread operator more than once within
the same command call:
```nushell
let extras = [ chrome firefox python java git ]
def search-pkgs-curated [ ...pkgs ] {
(search-pkgs
1
[emacs]
["example.com", "foo.com"]
vim # A must for everyone!
...($pkgs | filter { |p| not ($p | str contains "*") }) # Remove packages with globs
python # Good tool to have
...$extras
--install=false
python3) # I forget, did I already put Python in extras?
}
```
Running it:
```nushell
> search-pkgs-curated "git" "*vi*"
╭──────────────┬───────────────────────────────────────────────────────────────────╮
│ install │ false │
│ log_level │ 1 │
│ exclude │ [emacs] │
│ repositories │ [example.com, foo.com] │
│ pkgs │ [vim, git, python, chrome, firefox, python, java, git, "python3"] │
╰──────────────┴───────────────────────────────────────────────────────────────────╯
```
This PR makes a couple of tweaks to the testing support crate:
Add the `nu` invocation's exit status to the test output so that one
can assert that nu exited with a successful code.
This PR was split off of #10232.
This pr fix clippy warnings in latest clippy version(1.72.0):
Unfortunally it's not easy to handle for [try
fold](https://rust-lang.github.io/rust-clippy/master/index.html#/manual_try_fold)
warning in `start command`
Refer to known issue:
> This lint doesn’t take into account whether a function does something
on the failure case, i.e., whether short-circuiting will affect
behavior. Refactoring to try_fold is not desirable in those cases.
That's the case for our code, which does something on the failure case.
So this pr is making a little refactor on `try_commands`.
# Description
Unify the logic between `nu!` and `nu_with_std!`.
The inner code actually does not contain any variadic components. So it
can safely be abstracted into a function.
Similarly simplify the variadic to an array in `nu_with_plugin!`
This also seems to simplify the codegen for tests.
Comparing the size of the `/target/debug` folder after running:
```sh
cargo clean --profile dev
cargo build --workspace --tests
```
With this branch a reduction from `8.9GB` to `8.7GB`
# User-Facing Changes
None
# Tests + Formatting
No changes necessary
# Description
This generally makes for nicer APIs, as you are not forced to use an
existing allocation covering the full `String`.
Some exceptions remain where the underlying type requirements favor it.
# User-Facing Changes
None
# Description
* The path to the binaries for tests is slightly incorrect. It is
missing the build target when it is set with the `CARGO_BUILD_TARGET`
environment variable. For example, when `CARGO_BUILD_TARGET` is set to
`aarch64-linux-android`, the path to the `nu` binary is:
`./target/aarch64-linux-android/debug/nu`
rather than
`./target/debug/nu`
This is common on Termux since the default target that rustc detects can
cause problems on some projects, such as [python's `cryptography`
package](https://github.com/pyca/cryptography/issues/7248).
This technically isn't a problem specific to Android, but is more likely
to happen on Android due to the latter.
* Additionally, the existing variable named `NUSHELL_CARGO_TARGET` is in
fact the profile, not the build target, so this was renamed to
`NUSHELL_CARGO_PROFILE`. This change is included because without the
rename, the build system would be using `CARGO_BUILD_TARGET` for the
build target and `NUSHELL_CARGO_TARGET` for the build profile, which is
confusing.
* `std path add` tests were missing `android` test
# User-Facing Changes
For those who would like to build nushell on Termux, the unit tests will
pass now.
# Description
This PR bumps nushell from release version 0.84.0 to dev version 0.84.1.
# 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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check that you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` 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
> ```
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# Description
I've been investigating the [issue
mentioned](https://github.com/nushell/nushell/pull/9976#issuecomment-1673290467)
in my prev pr and I've found that plugin.nu file that is used to cache
plugins signatures gets overwritten on every nushell startup and that
may actually mess up with the file content if 2 or more instances of
nushell will run simultaneously.
To reproduce:
1. register at least 2 plugins in your local nushell
2. remember how many entries you have in plugin.nu with `open
$nu.plugin-path | find nu_plugin`
3. run
- either `cargo test` inside nushell repo
- or run smth like this `1..100 | par-each {|it| $"(random integer
1..100)ms" | into duration | sleep $in; nu -c "$nu.plugin-path"}` to
simulate parallel access. This approach is not so reliable to reproduce
as running test but still a good point that it may effect users actually
4. validate that your `plugin.nu` file was stripped
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# Solution
In this pr I've refactored the code of handling the `register` command
to minimize code duplications and make sure that overwrite of
`plugin.nu` file is happen only when user calls the command and not on
nu startup
Another option would be to use temp `plugin.nu` when running tests, but
as the issue actually can affect users I've decided to prevent
unnecessary writing at all. Although having isolated `plugin.nu` still
worth of doing
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
It changes the behaviour actually as the call `register <plugin>
<signature>` now doesn't updates `plugin.nu` and just reads signatures
to the memory. But as I understand that kind of call with explicit
signature is meant to use only by nushell itself in the `plugin.nu` file
only. I've asked about it in
[discord](https://discordapp.com/channels/601130461678272522/615962413203718156/1140013448915325018)
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clippy::needless_collect -A clippy::result_large_err` to check that
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- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library
> **Note**
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> ```bash
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automatically
> toolkit check pr
> ```
-->
# After Submitting
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Actually, I think the way plugins are stored might be reworked to
prevent or mitigate possible issues further:
- problem with writing to file may still arise if we try to register in
parallel as several instances will write to the same file so the lock
for the file might be required
- using additional parameters to command like `register` to implement
some internal logic could be misleading to the users
- `register` call actually affects global state of nushell that sounds a
little bit inconsistent with immutability and isolation of other parts
of the nu. See issues
[1](https://github.com/nushell/nushell/issues/8581),
[2](https://github.com/nushell/nushell/issues/8960)
Running tests locally from nushell with customizations (i.e.
$env.PROMPT_COMMAND etc) may lead to failing tests as that customization
leaks to the sandboxed nu itself.
Remove `FILE_PWD` from env
# Tests + Formatting
Tests are now passing locally without issue in my case
# Description
This bumps nushell to the dev version of 0.83.1 and updates the default
config files with the proper version.
# User-Facing Changes
# Tests + Formatting
# After Submitting
# Description
Bump 0.83
# 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 -- -c "use std testing; testing run-tests --path
crates/nu-std"` 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
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# Description
We only used this procmacro crate in one place to generate two trivial
getters. Straightforward to replace. Should reduce test-compilation
requirements a bit.
# User-Facing Changes
None
# Description
Its purpose and its limitation around statements are not too obvious but
ubiquituous in our `nu!` tests. Document its behavior as we remove it in
many places for #8670
# User-Facing Changes
None
# Checklist
- `nu-ansi-term` remains the same
- [x] `reedline` is released and updated
- [x] release scripts are updated for `nu-cmd-base`
- [x] info blog post is online
- [ ] release notes are ready
# Description
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Description of your pull request goes here. **Provide examples and/or
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# 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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# Description
This PR updates most dependencies and tries to get in sync with
reedline.
# User-Facing Changes
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helps us keep track of breaking changes. -->
# Tests + Formatting
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# Description
Bump nushell to 0.80.1 development version
# User-Facing Changes
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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:
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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.
# Description
Version bump for the `0.78.0`
Start to include the version with our `default_config.nu` and
`default_env.nu`
# Checklist
- [x] reedline
- [ ] release notes
I was looking where we could remove the usage of once-cell dependency.
As for now, I only found one place. Not a terrible improvement, but at
least, it removes a dependency nu-test-support crate.
Relies on `Mutex::new` constified in Rust 1.63.0
# 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:
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style
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> **Note**
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> ```
# After Submitting
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I think this _might_ fix the issues we've been seeing with plugin tests.
In a nutshell, the plugin tests run `cargo build` to ensure that plugins
have been built:
f6ca62384e/crates/nu-test-support/src/commands.rs (L6)
This PR adds a mutex to ensure that we're never running `cargo build`
concurrently. It also uses an atomic bool to signal when plugins have
already been built, so we can avoid invoking `cargo build` multiple
times unnecessarily.
I can't be certain yet, but I'm guessing the macOS CI problems we've
been seeing come from plugin tests clobbering each other (something
like: test 1 builds the `foo` plugin, then test2 invokes `cargo build`
again and deletes the `foo` plugin from disk).
Before landing:
- [x] `reedline 0.16.0` is out and pinned.
- [x] all fixes and features necessary are landed.
In the meantime:
- [ ] feed the release notes with relevant features and breaking changes
# Description
From nushell 0.8 philosophy:
https://github.com/nushell/nushell.github.io/blob/main/contributor-book/philosophy_0_80.md#core-categories
> The following categories should be moved to plugins:
Uncommon format support
So this pr is trying to move following commands to plugin:
- [X] from eml
- [x] from ics
- [x] from ini
- [x] from vcf
And we can have a new plugin handles for these formatting, currently
it's implemented here:
https://github.com/WindSoilder/nu_plugin_format
The command usage should be the same to original command.
If it's ok, the plugin can support more formats like
[parquet](https://github.com/fdncred/nu_plugin_from_parquet), or [EDN
format](https://github.com/nushell/nushell/issues/6415), or something
else.
Just create a draft pr to show what's the blueprint looks like, and is
it a good direction to move forward?
# 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
# 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.
