Updated summary for commit
[612e0e2](612e0e2160)
- While folks are welcome to read through the entire comments, the core
information is summarized here.
# Description
This PR drastically improves startup times of Nushell by only parsing a
single submodule of the Standard Library that provides the `banner` and
`pwd` commands. All other Standard Library commands and submodules are
parsed when imported by the user. This cuts startup times by more than
60%.
At the moment, we have stopped adding to `std-lib` because every
addition adds a small amount to the Nushell startup time.
With this change, we should once again be able to allow new
functionality to be added to the Standard Library without it impacting
`nu` startup times.
# User-Facing Changes
* Nushell now starts about 60% faster
* Breaking change: The `dirs` (Shells) aliases will return a warning
message that it will not be auto-loaded in the following release, along
with instructions on how to restore it (and disable the message)
* The `use std <submodule> *` syntax is available for convenience, but
should be avoided in scripts as it parses the entire `std` module and
all other submodules and places it in scope. The correct syntax to
*just* load a submodule is `use std/<submodule> *` (asterisk optional).
The slash is important. This will be documented.
* `use std *` can be used for convenience to load all of the library but
still incurs the full loading-time.
* `std/dirs`: Semi-breaking change. The `dirs` command replaces the
`show` command. This is more in line with the directory-stack
functionality found in other shells. Existing users will not be impacted
by this as the alias (`shells`) remains the same.
* Breaking-change: Technically a breaking change, but probably only
impacts maintainers of `std`. The virtual path for the standard library
has changed. It could previously be imported using its virtual path (and
technically, this would have been the correct way to do it):
```nu
use NU_STDLIB_VIRTUAL_DIR/std
```
The path is now simply `std/`:
```nu
use std
```
All submodules have moved accordingly.
# Timings
Comparisons below were made:
* In a temporary, clean config directory using `$env.XDG_CONFIG_HOME =
(mktemp -d)`.
* `nu` was run with a release build
* `nu` was run one time to generate the default `config.nu` (etc.) files
- Otherwise timings would include the user-prompt
* The shell was exited and then restarted several times to get timing
samples
(Note: Old timings based on 0.97 rather than 0.98, but in the range of
being accurate)
| Scenario | `$nu.startup-time` |
| --- | --- |
| 0.97.2
([aaaab8e](aaaab8e070))
Without this PR | 23ms - 24ms |
| This PR with deprecated commands | 9ms - <11ms |
| This PR after deprecated commands are removed in following release |
8ms - <10ms |
| Final PR (remove deprecated), using `--no-std-lib` | 6.1ms to 6.4ms |
| Final PR (remove deprecated), using `--no-config-file` | 3.1ms - 3.6ms
|
| Final PR (remove deprecated), using `--no-config-file --no-std-lib` |
1ms - 1.5ms |
*These last two timings point to the opportunity for further
optimization (see comment in thread below (will link once I write it).*
# Implementation details for future maintenance
* `use std banner` is a ridiculously deceptive call. That call parses
and imports *all* of `std` into scope. Simply replacing it with `use
std/core *` is essentially what saves ~14-15ms. This *only* imports the
submodule with the `banner` and `pwd` commands.
* From the code-comments, the reason that `NU_STDLIB_VIRTUAL_DIR` was
used as a prefix was so that there wouldn't be an issue if a user had a
`./std/mod.nu` in the current directory. This does **not** appear to be
an issue. After removing the prefix, I tested with both a relative
module as well as one in the `$env.NU_LIB_DIRS` path, and in all cases
the *internal* `std` still took precedence.
* By removing the prefix, users can now `use std` (and variants) without
requiring that it already be parsed and in scope.
* In the next release, we'll stop autoloading the `dirs` (shells)
functionality. While this only costs an additional 1-1.5ms, I think it's
better moved to the `config.nu` where the user can optionally remove it.
The main reason is its use of aliases (which have also caused issues) -
The `n`, `p`, and `g` short-commands are valuable real-estate, and users
may want to map these to something else.
For this release, there's an `deprecated_dirs` module that is still
autoloaded. As with the top-level commands, use of these will give a
deprecation warning with instructions on how to handle going forward.
To help with this, moved the aliases to their own submodule inside the
`dirs` module.
* Also sneaks in a small change where the top-level `dirs` command is
now the replacement for `dirs show`
* Fixed a double-import of `assert` in `dirs.nu`
* The `show_banner` step is replaced with simply `banner` rather than
re-importing it.
* A `virtual_path` may now be referenced with either a forward-slash or
a backward-slash on Windows. This allows `use std/<submodule>` to work
on all platforms.
# Performance side-notes:
* Future parsing and/or IR improvements should improve performance even
further.
* While the existing load time penalty of `std-lib` was not noticeable
on many systems, Nushell runs on a wide-variety of hardware and OS
platforms. Slower platforms will naturally see a bigger jump in
performance here. For users starting multiple Nushell sessions
frequently (e.g., `tmux`, Zellij, `screen`, et. al.) it is recommended
to keep total startup time (including user configuration) under ~250ms.
# Tests + Formatting
* All tests are green
* Updated tests:
- Removed the test that confirmed that `std` was loaded (since we
don't).
- Removed the `shells` test since it is not autoloaded. Main `dirs.nu`
functionality is tested through `stdlib-test`.
- Many tests assumed that the library was fully loaded, because it was
(even though we didn't intend for it to be). Fixed those tests.
- Tests now import only the necessary submodules (e.g., `use
std/assert`, rather than `use std assert`)
- Some tests *thought* they were loading `std/log`, but were doing so
improperly. This was masked by the now-fixed "load-everything-into-scope
bug". Local CI would pass due the `$env.NU_LOG_<...>` variables being
inherited from the calling process, but would fail in the "clean" GitHub
CI environment. These tests have also been fixed.
* Added additional tests for the changes
# After Submitting
Will update the Standard Library doc page
# Description
Title says it all, changes `EngineState::get_env_var` to return a
`Option<&'a Value>` instead of an owned `Option<Value>`. This avoids
some unnecessary clones.
I also made a similar change to the `PluginExecutionContext` trait.
# Description
Fixes#13949 where `$env.LAST_EXIT_CODE` was not being set for internal
errors.
# Tests + Formatting
Cannot test due to limitations with the `nu_repl` test bin.
# Description
This fixes an issue with converting to a dataframe when specifying a
struct in the schema. Things like the following now work correctly:
```nushell
[[foo bar]; [{a: "a_0", b:"b_0"} 1] [{a: "a_1", b: "b_1" } 2]] | polars into-df -s {foo: {a: str, b: str}, bar: u8}
```
Bumps [tempfile](https://github.com/Stebalien/tempfile) from 3.12.0 to
3.13.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/Stebalien/tempfile/blob/master/CHANGELOG.md">tempfile's
changelog</a>.</em></p>
<blockquote>
<h2>3.13.0</h2>
<ul>
<li>Add <code>with_suffix</code> constructors for easily creating new
temporary files with a specific suffix (e.g., a specific file
extension). Thanks to <a
href="https://github.com/Borgerr"><code>@Borgerr</code></a>.</li>
<li>Update dependencies (fastrand & rustix).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="a354f8cb11"><code>a354f8c</code></a>
chore: release 3.13.0</li>
<li><a
href="d21b602fa2"><code>d21b602</code></a>
chore: update deps</li>
<li><a
href="d6600da8fc"><code>d6600da</code></a>
Add for <code>with_suffix</code> (<a
href="https://redirect.github.com/Stebalien/tempfile/issues/299">#299</a>)</li>
<li><a
href="19280c5889"><code>19280c5</code></a>
Document current default permissions for tempdirs (<a
href="https://redirect.github.com/Stebalien/tempfile/issues/296">#296</a>)</li>
<li><a
href="c5eac9f690"><code>c5eac9f</code></a>
fix: address clippy unnecessary deref lint in test (<a
href="https://redirect.github.com/Stebalien/tempfile/issues/294">#294</a>)</li>
<li>See full diff in <a
href="https://github.com/Stebalien/tempfile/compare/v3.12.0...v3.13.0">compare
view</a></li>
</ul>
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Bumps [once_cell](https://github.com/matklad/once_cell) from 1.19.0 to
1.20.1.
<details>
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<p><em>Sourced from <a
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<blockquote>
<h2>1.20.1</h2>
<ul>
<li>Allow using <code>race</code> module using just
<code>portable_atomic</code>, without <code>critical_section</code> and
provide
better error messages on targets without atomic CAS instruction,
<a
href="https://redirect.github.com/matklad/once_cell/pull/265">#265</a>.</li>
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<ul>
<li><a
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release 1.20.1</li>
<li><a
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Merge pull request <a
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from taiki-e/portable-atomic</li>
<li><a
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Add portable-atomic feature and disable portable-atomic/critical-section
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Merge pull request <a
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from brodycj/propagate-critical-section-to-portable-a...</li>
<li><a
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v1.20.0</li>
<li><a
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update Cargo (dev-)dependencies; update Cargo.lock.msrv</li>
<li><a
href="dd6b5c2909"><code>dd6b5c2</code></a>
ci: fix TEST_BETA with TEMPORARY WORKAROUND in RUSTFLAGS</li>
<li><a
href="7317eae758"><code>7317eae</code></a>
add <code>cargo test --workspace</code> to beginning of TEST task</li>
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href="bd54bf7aff"><code>bd54bf7</code></a>
fix default-features flag for parking_lot_core in dependencies</li>
<li><a
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cargo fmt updates</li>
<li>Additional commits viewable in <a
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# Description
As with #13985, credit to @AlifianK for suggesting this in
https://github.com/nushell/nushell.github.io/pull/1572
Updates the example in `wrap` to not use 1-based, sequential numbers.
# User-Facing Changes
Help/doc only
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
N/A
# Description
All credit to @AlifianK for suggesting this in the doc repo
(https://github.com/nushell/nushell.github.io/pull/1571).
This updates the merge example to make it more clear by using a
different set of numbers that can't easily be confused with an `index`.
Also changes the `index` to `id` to remove the "magic column name
conversion". (#13780).
# User-Facing Changes
Help/Doc change only
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
N/A
Bumps
[actions-rust-lang/setup-rust-toolchain](https://github.com/actions-rust-lang/setup-rust-toolchain)
from 1.10.0 to 1.10.1.
<details>
<summary>Release notes</summary>
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<blockquote>
<h2>v1.10.1</h2>
<ul>
<li>Fix problem matcher for rustfmt output.
The format has changed since <a
href="https://redirect.github.com/rust-lang/rustfmt/pull/5971">rust-lang/rustfmt#5971</a>
and now follows the form "filename:line".
Thanks to <a
href="https://github.com/0xcypher02"><code>@0xcypher02</code></a> for
pointing out the problem.</li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/actions-rust-lang/setup-rust-toolchain/compare/v1...v1.10.1">https://github.com/actions-rust-lang/setup-rust-toolchain/compare/v1...v1.10.1</a></p>
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<blockquote>
<h2>[1.10.1] - 2024-10-01</h2>
<ul>
<li>Fix problem matcher for rustfmt output.
The format has changed since <a
href="https://redirect.github.com/rust-lang/rustfmt/pull/5971">rust-lang/rustfmt#5971</a>
and now follows the form "filename:line".
Thanks to <a
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</ul>
</blockquote>
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<li><a
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Update the rustfmt problem matcher</li>
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# Description
In the PR #13832 I used some newtypes for the old IDs. `SpanId` and
`RegId` already used newtypes, to streamline the code, I made them into
the same style as the other marker-based IDs.
Since `RegId` should be a bit smaller (it uses a `u32` instead of
`usize`) according to @devyn, I made the `Id` type generic with `usize`
as the default inner value.
The question still stands how `Display` should be implemented if even.
# User-Facing Changes
Users of the internal values of `RegId` or `SpanId` have breaking
changes but who outside nushell itself even uses these?
# After Submitting
The IDs will be streamlined and all type-safe.
# Description
This PR allows bools to be type checked against each other.
I looked for test and maybe we don't have any for type checked math
stuff. I didn't see any.
# 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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- `cargo test --workspace` to check that all tests pass (on Windows make
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# Description
closes https://github.com/nushell/nushell/issues/13759 and fixes some
odd behavior from the human-date-parser crate.
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<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
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# Description
This PR is related #11950 and serves as another potential fix alongside
rolling it back with https://github.com/nushell/nushell/pull/13959. The
idea here is to try and properly setup the input and output console
modes. I searched through a log of GitHub code to come up with this,
including deno, wezterm, conpty, among others. It seems to work but it
would be great if someone else would be able to test. I added comments
from the consoleapi.h from windows to know what the other flags are in
case we need to make other changes.
# 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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sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
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tests for the standard library
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# Description
In this PR I replaced most of the raw usize IDs with
[newtypes](https://doc.rust-lang.org/rust-by-example/generics/new_types.html).
Some other IDs already started using new types and in this PR I did not
want to touch them. To make the implementation less repetitive, I made
use of a generic `Id<T>` with marker structs. If this lands I would try
to move make other IDs also in this pattern.
Also at some places I needed to use `cast`, I'm not sure if the type was
incorrect and therefore casting not needed or if actually different ID
types intermingle sometimes.
# User-Facing Changes
Probably few, if you got a `DeclId` via a function and placed it later
again it will still work.
# Description
Old code was comparing remaining positional arguments with total number
of arguments, where it should've compared remaining positional with
with remaining arguments of any kind. This means that if a function was
given too few arguments, `calculate_end_span` would believe that it
actually had too many arguments, since after parsing the first few
arguments, the number of remaining arguments needed were fewer than the
*total* number of arguments, of which we had used several.
Fixes#9072
Fixes: https://github.com/nushell/nushell/issues/13930
Fixes: https://github.com/nushell/nushell/issues/12069
Fixes: https://github.com/nushell/nushell/issues/8385
Extracted from #10381
## Bonus
It also improves the error handling on missing positional arguments
before keywords (no longer crashing since #9851). Instead of just giving
the keyword to the parser for the missing positional, we give an
explicit error about a missing positional argument. I would like better
descriptions than "missing var_name" though, but I'm not sure if that's
available without
Old error
```
Error: nu::parser::parse_mismatch
× Parse mismatch during operation.
╭─[entry #1:1:1]
1 │ let = if foo
· ┬
· ╰── expected valid variable name
╰────
```
New error
```
Error: nu::parser::missing_positional
× Missing required positional argument.
╭─[entry #18:1:1]
1 │ let = foo
· ┬
· ╰── missing var_name
╰────
help: Usage: let <var_name> = <initial_value>
```
# User-Facing Changes
The program `alias = = =` is no longer accepted by the parser
# Description
@cptpiepmatz and I ran into a problem where `toolkit check pr` and
`toolkit clippy --verbose` wouldn't work. I tracked it down to me using
`cargo-completions.nu` out of the nu_scripts repo. It was redefining
`cargo clippy`. The fix was to ensure that all `cargo` commands in
`toolkit.nu` use the external `^cargo`.
Specifically, the problem with `cargo clippy` in `cargo-completions.nu`
is it didn't seem to allow `-- -D blah` type parameters.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
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> **Note**
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automatically
> toolkit check pr
> ```
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# After Submitting
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# Description
Introduces a new flag `--truncate-ragged-lines` for `polars open` that
will truncate lines that are longer than the schema.
# User-Facing Changes
- Introduction of the flag `--truncate-ragged-lines` for `polars open`
# Description
This request exposes the prelude::polars::len expression. It is ended
for doing fast select count(*) like operations:
<img width="626" alt="Screenshot 2024-09-26 at 18 14 45"
src="https://github.com/user-attachments/assets/74285fc6-f99c-46e0-9226-9a7d41738d78">
# User-Facing Changes
- Introduction of the `polars len` command
# Description
Implements #13669
When nu is started for the first time, the directory represented by
`$nu.default-config-dir` typically will not exist. In this case, Nushell
will create the directory. It will then detect that either or both
`config.nu`/`env.nu` don't exist and offer to create them.
(Existing behavior) If the user declines, the directory will still be
created (since the history file lives there as well). The
`default_config.nu` and `default_env.nu` will be loaded.
On subsequent launches, as long as the config directory continues to
exist, the user will not be prompted to recreate the config files.
Nushell will behave as if the user answered "N" to the prompt in that
`default_config.nu` and `default_env.nu` will be used.
The user can still create a `config.nu` or `env.nu` at any point, and
that will be used. In that case, `default_config.nu` and/or
`default_env.nu` will no longer be loaded (unless and until #13671 is
implemented).
# User-Facing Changes
User will no longer be prompted to create config files if they are
missing so long as the config directory exists.
## Before this change:
1. Nushell starts for the first time
2. The directory where config files are stored does not exist
3. The config files do not exist
* User is asked whether they want to create `env.nu`
- User says, "Y", `default_env.nu` is copied to the directory as
`env.nu` (and directory is created if needed)
- User says, "n", `default_env.nu` is loaded, but no file on the
filesystem is created.
* User is asked whether they want to create `config.nu`
- User says, "Y", `default_config.nu` is copied to the directory as
`config.nu` (and directory is created if needed)
- User says, "n", `default_config.nu` is loaded, but no file on the
filesystem is created.
4. The next time `nu` is run, if either file is missing, the user will
be prompted again for that file.
## After this change:
Steps 1 - 3 remains the same.
4. The next time `nu` is run, we check if the directory exists. If so:
5. Do not prompt user to create any missing files **(New Behavior)**
6. `$nu.default-config-dir/env.nu` exists?
* Yes? Use it. (Normal behavior)
* No? Evaluate `default_env.nu`. (Normal behavior)
* No file is created on the filesystem
7. `$nu.default-config-dir/config.nu` exists?
* Yes? Use it. (Normal behavior)
* No? Evaluate `default_config.nu` (Normal behavior)
* No file is created on the filesystem
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
This behavior isn't currently mentioned in the configuration doc. I'll
probably hold off on changing anything in the doc until #13671 is
implemented. Regardless, given the timing, this won't make it into a
release for at least 4 weeks.
Notable this gets https://github.com/bytecodealliance/rustix/pull/1147
which makes things work on Android again.
Without this update latest `0.98.0` release gets stuck in a loop
outputting the below error due to the `TCGETS2` usage:
> Error: Os { code: 13, kind: PermissionDenied, message: "Permission
denied" }
# Description
After PR https://github.com/nushell/nushell/pull/12953, LS_COLORS
coloring broke in the `grid` and `ls` commands because the full path to
the files were not available. This PR restores the coloring.
# User-Facing Changes
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# Tests + Formatting
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> **Note**
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> toolkit check pr
> ```
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This PR sets the current working directory to the location of the
Nushell executable at startup, using `std::env::set_current_dir()`. This
is desirable because after PR
https://github.com/nushell/nushell/pull/12922, we no longer change our
current working directory even after `cd` is executed, and some OS might
lock the directory where Nushell started.
The location of the Nushell executable is chosen because it cannot be
removed while Nushell is running anyways, so we don't have to worry
about OS locking it.
This PR has the side effect that it breaks buggy command even harder.
I'll keep this PR as a draft until these commands are fixed, but it
might be helpful to pull this PR if you're working on fixing one of
those bugs.
---------
Co-authored-by: Devyn Cairns <devyn.cairns@gmail.com>
Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
Fixesnushell/nushell#13891
# Description
`input listen` now respects `$env.config.use_kitty_protocol`
This is essentially a copy-paste from `keybindings listen` where it was
already implemented.
# User-Facing Changes
`input listen` now respects `$env.config.use_kitty_protocol`
# Tests + Formatting
# After Submitting
---------
Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
# Description
This PR updates the `folder_depth` algorithm in order to make `glob` a
bit faster. The algorithm works like this. Since `folder_depth` is
always used we need to set it to a value. If the glob pattern contains
`**` then make `folder_depth` `usize::MAX`. If `--depth` is not
provided, make it 1, otherwise use the provided value.
closes#13914
# User-Facing Changes
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mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
- `cargo run -- -c "use toolkit.nu; toolkit test stdlib"` 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
> ```
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# After Submitting
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# Description
Fixes a couple panics:
```
> {} | inspect
Error: x Main thread panicked.
|-> at crates/nu-command/src/debug/inspect_table.rs:87:15
`-> attempt to divide by zero
```
```
> {} | explore
# see an empty column, press Down
Error: x Main thread panicked.
|-> at crates/nu-explore/src/views/cursor/mod.rs:39:9
`-> attempt to subtract with overflow
```
# User-Facing Changes
`{} | inspect` now outputs an empty table:
```
╭─────────────┬────────╮
│ description │ record │
├─────────────┴────────┤
│ │
├──────────────────────┤
```
`{} | explore` opens the help menu.
Both match the empty list behavior.
# Tests
I'm not sure how to test `explore`, as it waits for interaction.
# Description
This PR updates the shell_integration defaults so that they work as
described in default_config.nu even when there is no config.nu file.
closes#13924
# User-Facing Changes
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> **Note**
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> toolkit check pr
> ```
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# Description
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# User-Facing Changes
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# Description
This PR updates nushell to the latest reedline commit 660a5074
# User-Facing Changes
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# Description
This PR tries to allow the `ls` command to use multiple threads if so
specified. The reason why you'd want to use threads is if you notice
`ls` taking a long time. The one place I see that happening is from WSL.
I'm not sure how real-world this test is but you can see that this
simple `ls` of a folder with length takes a while 9366 ms. I've run this
test many times and it ranges from about 15 seconds to about 10 seconds.
But with the `--threads` parameter, it takes less time, 2744ms in this
screenshot.
The only way forward I could find was to _always_ use threading and
adjust the number of threads based on if the user provides a flag. That
seemed the easiest way to do it after applying @devyn's interleave
advice.
No feelings hurt if this doesn't land. It's more of an experiment but I
think it has potential.
# User-Facing Changes
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# Tests + Formatting
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> **Note**
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automatically
> toolkit check pr
> ```
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# After Submitting
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# Description
hi hi, this makes the parsing of modifier key combos in config more
general, and adds support for additional kitty keyboard protocol
modifiers. It seems that support for [kitty
keys](https://sw.kovidgoyal.net/kitty/keyboard-protocol) had already
been added to nushell in https://github.com/nushell/nushell/pull/10540,
and this was the only missing piece to making them available in
keybindings.
# User-Facing Changes
- keybindings in config can include the super, hyper and meta modifiers
(e.g. `modifier: super`, `modifier: shift_super`, etc.), and these
modifiers will work in supporting terminals (kitty, foot, wezterm,
alacritty...)
- all permutations of snake_cased modifier combinations now behave
equivalently for the purpose of describing keybindings in config (e.g.
`control_alt_shift` was previously supported where `shift_control_alt`
was a config error — now they're the same)
# Tests
None of this looks to be tested at the moment. I only found a smoke test
under the nu-cli crate, and I couldn't break tests elsewhere by stuffing
around with modifier handling. Works on my machine, though! ✨🌈
# Description
Instead of handling a foreground process being stopped in any way, we
were simply ignoring SIGTSTP (which the terminal usually sends to the
foreground process group when Ctrl-Z is pressed), and propagating this
to our foreground children. This works for most processes, but it
generally fails for applications which put the terminal in raw mode[1]
and implement their own suspension mechanism (typically TUI apps like
helix[2], neovim[3], top[4] or amp[5]). In these cases, triggering
suspension within the app results in the terminal getting blocked, since
the application is waiting for a SIGCONT, while nushell is waiting for
it to exit.
Fix this by unblocking SIGTSTP for our foreground children (neovim,
helix and probably others send this to themselves while trying to
suspend), and displaying the following message whenever one of them gets
stopped:
nushell currently does not support background jobs
press any key to continue
Pressing any key will then send SIGCONT to the child's process group and
resume waiting.
This fix is probably going to be superseded by a proper background job
implementation (#247) at some point, but for now it's better than
completely blocking the terminal.
[1]
https://docs.rs/crossterm/latest/crossterm/terminal/index.html#raw-mode
[2] https://helix-editor.com/
[3] https://neovim.io/
[4] https://man7.org/linux/man-pages/man1/top.1.html
[5] https://amp.rs/
- fixes#1038
- fixes#7335
- fixes#10335
# User-Facing Changes
While any foreground process is running, Ctrl-Z is no longer ignored.
Instead, the message described above is displayed, and nushell waits for
a key to be pressed.
# Tests + Formatting
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# Description
From [Discord
today](https://discord.com/channels/601130461678272522/729071784321876040/1286904159047778316),
`into value` isn't classified with `conversions` like the other `into
...` subcommands. I think this is correct, since it's a `table->table`
operation, so it's a filter that has the side effect of (potentially)
converting (via inference) cell values.
But we should at least have some search terms that help here, so this PR
adds *"conversion"* and *"convert"* to the command.
# User-Facing Changes
`help -f conversion` will return `into value`
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
N/A
# Description
Fixes: #13662
I don't think nushell need to parse and keep nested quote on external
command arguments. Some nested quote is safe to removed. After the pr,
nushell will behave more likely to bash.
# User-Facing Changes
#### Before
```
> ^echo {a:1,b:'c',c:'d'}
{a:1,b:c',c:'d}
```
#### After
```
> ^echo {a:1,b:'c',c:'d'}
{a:1,b:c,c:d}
```
# Tests + Formatting
Added some tests to cover the behavior
# Description
Partialy addresses #13868. `try` does not catch non-zero exit code
errors from the last command in a pipeline if the result is assigned to
a variable using `let` (or `mut`).
This was fixed by adding a new `OutDest::Value` case. This is used when
the pipeline is in a "value" position. I.e., it will be collected into a
value. This ended up replacing most of the usages of `OutDest::Capture`.
So, this PR also renames `OutDest::Capture` to `OutDest::PipeSeparate`
to better fit the few remaining use cases for it.
# User-Facing Changes
Bug fix.
# Tests + Formatting
Added two tests.
# Description
This plugin fixes the ability to do `plugin add nu_plugin_polars` and
have nushell look in NU_PLUGINS_DIR to find the plugin and add it.
closes#13040
# User-Facing Changes
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automatically
> toolkit check pr
> ```
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# Description
Add content type metadata to the output of `view source`.
I've gone along with the mime type used [here][xdg], but this shouldn't
be merged until there is consensus #13858.
`to nuon`'s output has content type `application/x-nuon`
[xdg]:
https://gitlab.freedesktop.org/xdg/shared-mime-info/-/merge_requests/231
# User-Facing Changes
Combined with `metadata access`, allows richer display_output hooks.
Might be useful with other commands that make use of content_type like
the `http` commands.
# Description
This adds support for reading and writing binary types in the polars
commands.
The `BinaryOffset` type can be read into a Nushell native `Value` type
no problem, but unfortunately this is a lossy conversion, as there's
no Nushell-native semantic equivalent to the fixed size binary type
in Arrow.
# User-Facing Changes
`polars open` and `polars save` now work with binary types.
# Description
Similar to #13870 (thanks @WindSoilder), this PR adds a boolean which
determines whether to ignore any errors from an external command. This
is in order to fix#13876. I.e., `do -p` does not wait for externals to
complete before continuing.
# User-Facing Changes
Bug fix.
# Tests + Formatting
Added a test.
