This is good practice as all our iterators will never return a value
after reaching `None`
The benefit should be minimal as only `Iterator::fuse` is directly
specialized and itself rarely used (sometimes in `itertools` adaptors)
Thus it is mostly a documentation thing
# Description
When a closure if provided to `group-by`, errors that occur in the
closure are currently ignored. That is, `group-by` will fall back and
use the `"error"` key if an error occurs. For example, the code snippet
below will group all `ls` entries under the `"error"` column.
```nushell
ls | group-by { get nope }
```
This PR changes `group-by` to instead bubble up any errors triggered
inside the closure. In addition, this PR also does some refactoring and
cleanup inside `group-by`.
# User-Facing Changes
Errors are now returned from the closure provided to `group-by` instead
of falling back to the `"error"` group/key.
# Description
If a panic happens during a plugin call, because it always happens
outside of the main thread, it currently just hangs Nushell because the
plugin stays running without ever producing a response to the call.
This adds a panic handler that calls `exit(1)` after the unwind finishes
to the plugin runner. The panic error is still printed to stderr as
always, and waiting for the unwind to finish helps to ensure that
anything on the stack with `Drop` behavior that needed to run still
runs, at least on that thread.
# User-Facing Changes
Panics now look like this, which is what they looked like before the
plugin behavior was moved to a separate thread:
```
thread 'plugin runner (primary)' panicked at crates/nu_plugin_example/src/commands/main.rs:45:9:
Test panic
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Error: nu:🐚:plugin_failed_to_decode
× Plugin failed to decode: Failed to receive response to plugin call
```
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# Description
A little refactor that use `working_set.error` rather than
`working_set.parse_errors.push`, which is reported here:
https://github.com/nushell/nushell/pull/12238
> Inconsistent error reporting. Usage of both working_set.error() and
working_set.parse_errors.push(). Using ParseError::Expected for an
invalid variable name when there's ParseError::VariableNotValid (from
parser.rs:5237). Checking variable names manually when there's
is_variable() (from parser.rs:2905).
# User-Facing Changes
NaN
# Tests + Formatting
Done
# Description
Remove a couple of legacy fields (`input_type`, `output_type`), and
`var_id` which is optional and not required for deserialization.
I think until I document this in the plugin protocol ref, most people
will probably be using this example to get started, so it should be as
correct as possible
# After Submitting
- [ ] TODO: document `Signature` in plugin protocol reference
# Description
This is just some cleanup. I moved to_pipeline_data and to_cache_value
to the CustomValueSupport trait, where I should've put them to begin
with.
Co-authored-by: Jack Wright <jack.wright@disqo.com>
# Description
Work for #7149
- **Error `with-env` given uneven count in list form**
- **Fix `with-env` `CantConvert` to record**
- **Error `with-env` when given protected env vars**
- **Deprecate list/table input of vars to `with-env`**
- **Remove examples for deprecated input**
# User-Facing Changes
## Deprecation of the following forms
```
> with-env [MYENV "my env value"] { $env.MYENV }
my env value
> with-env [X Y W Z] { $env.X }
Y
> with-env [[X W]; [Y Z]] { $env.W }
Z
```
## recommended standardized form
```
# Set by key-value record
> with-env {X: "Y", W: "Z"} { [$env.X $env.W] }
╭───┬───╮
│ 0 │ Y │
│ 1 │ Z │
╰───┴───╯
```
## (Side effect) Repeated definitions in an env shorthand are now
disallowed
```
> FOO=bar FOO=baz $env
Error: nu:🐚:column_defined_twice
× Record field or table column used twice: FOO
╭─[entry #1:1:1]
1 │ FOO=bar FOO=baz $env
· ─┬─ ─┬─
· │ ╰── field redefined here
· ╰── field first defined here
╰────
```
# Description
@maxim-uvarov discovered the following error:
```
> [[a b]; [6 2] [1 4] [4 1]] | polars into-lazy | polars sort-by a | polars unique --subset [a]
Error: × Error using as series
╭─[entry #1:1:68]
1 │ [[a b]; [6 2] [1 4] [4 1]] | polars into-lazy | polars sort-by a | polars unique --subset [a]
· ──────┬──────
· ╰── dataframe has more than one column
╰────
```
During investigation, I discovered the root cause was that the lazy frame was incorrectly converted back to a eager dataframe. In order to keep this from happening, I explicitly set that the dataframe did not come from an eager frame. This causes the conversion logic to not attempt to convert the dataframe later in the pipeline.
---------
Co-authored-by: Jack Wright <jack.wright@disqo.com>
# Description
Fixes#12520
# User-Facing Changes
Breaking change:
Any operation parsing input with `PWD` to set the environment will now
fail with `ShellError::AutomaticEnvVarSetManually`
Furthermore transactions containing the special env-vars will be
rejected before executing any modifications. Prevoiusly this was
changing valid variables before while leaving valid variables after the
violation untouched.
## `PWD` handling.
Now failing
```
{PWD: "/trolling"} | load-env
```
already failing
```
load-env {PWD: "/trolling"}
```
## Error management
```
> load-env {MY_VAR1: foo, PWD: "/trolling", MY_VAR2: bar}
Error: nu:🐚:automatic_env_var_set_manually
× PWD cannot be set manually.
╭─[entry #1:1:2]
1 │ load-env {MY_VAR1: foo, PWD: "/trolling", MY_VAR2: bar}
· ────┬───
· ╰── cannot set 'PWD' manually
╰────
help: The environment variable 'PWD' is set automatically by Nushell and cannot be set manually.
```
### Before:
```
> $env.MY_VAR1
foo
> $env.MY_VAR2
Error: nu:🐚:name_not_found
....
```
### After:
```
> $env.MY_VAR1
Error: nu:🐚:name_not_found
....
> $env.MY_VAR2
Error: nu:🐚:name_not_found
....
```
# After Submitting
We need to check if any integrations rely on this hack.
# Description
Adds support for running plugins using local socket communication
instead of stdio. This will be an optional thing that not all plugins
have to support.
This frees up stdio for use to make plugins that use stdio to create
terminal UIs, cc @amtoine, @fdncred.
This uses the [`interprocess`](https://crates.io/crates/interprocess)
crate (298 stars, MIT license, actively maintained), which seems to be
the best option for cross-platform local socket support in Rust. On
Windows, a local socket name is provided. On Unixes, it's a path. The
socket name is kept to a relatively small size because some operating
systems have pretty strict limits on the whole path (~100 chars), so on
macOS for example we prefer `/tmp/nu.{pid}.{hash64}.sock` where the hash
includes the plugin filename and timestamp to be unique enough.
This also adds an API for moving plugins in and out of the foreground
group, which is relevant for Unixes where direct terminal control
depends on that.
TODO:
- [x] Generate local socket path according to OS conventions
- [x] Add support for passing `--local-socket` to the plugin executable
instead of `--stdio`, and communicating over that instead
- [x] Test plugins that were broken, including
[amtoine/nu_plugin_explore](https://github.com/amtoine/nu_plugin_explore)
- [x] Automatically upgrade to using local sockets when supported,
falling back if it doesn't work, transparently to the user without any
visible error messages
- Added protocol feature: `LocalSocket`
- [x] Reset preferred mode to `None` on `register`
- [x] Allow plugins to detect whether they're running on a local socket
and can use stdio freely, so that TUI plugins can just produce an error
message otherwise
- Implemented via `EngineInterface::is_using_stdio()`
- [x] Clean up foreground state when plugin command exits on the engine
side too, not just whole plugin
- [x] Make sure tests for failure cases work as intended
- `nu_plugin_stress_internals` added
# User-Facing Changes
- TUI plugins work
- Non-Rust plugins could optionally choose to use this
- This might behave differently, so will need to test it carefully
across different operating systems
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
- [ ] Document local socket option in plugin contrib docs
- [ ] Document how to do a terminal UI plugin in plugin contrib docs
- [ ] Document: `EnterForeground` engine call
- [ ] Document: `LeaveForeground` engine call
- [ ] Document: `LocalSocket` protocol feature
# Description
In the plugin protocol, I had used `#[serde(untagged)]` on the `Stream`
variant to make it smaller and include all of the stream messages at the
top level, but unfortunately this causes serde to make really unhelpful
errors if anything fails to decode anywhere:
```
Error: nu:🐚:plugin_failed_to_decode
× Plugin failed to decode: data did not match any variant of untagged enum PluginOutput
```
If you are trying to develop something using the plugin protocol
directly, this error is incredibly unhelpful. Even as a user, this
basically just says 'something is wrong'. With this change, the errors
are much better:
```
Error: nu:🐚:plugin_failed_to_decode
× Plugin failed to decode: unknown variant `PipelineDatra`, expected one of `Error`, `Signature`, `Ordering`, `PipelineData` at line 2 column 37
```
The only downside is it means I have to duplicate all of the
`StreamMessage` variants manually, but there's only 4 of them and
they're small.
This doesn't actually change the protocol at all - everything is still
identical on the wire.
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# Description
When starting the LSP server, the configuration file and environment
file are used to configure the LSP engine unless --no-config-file is
provided.
This PR provides an improvement that is related to #10794
CC: @fdncred
# Description
This adds a `SharedCow` type as a transparent copy-on-write pointer that
clones to unique on mutate.
As an initial test, the `Record` within `Value::Record` is shared.
There are some pretty big wins for performance. I'll post benchmark
results in a comment. The biggest winner is nested access, as that would
have cloned the records for each cell path follow before and it doesn't
have to anymore.
The reusability of the `SharedCow` type is nice and I think it could be
used to clean up the previous work I did with `Arc` in `EngineState`.
It's meant to be a mostly transparent clone-on-write that just clones on
`.to_mut()` or `.into_owned()` if there are actually multiple
references, but avoids cloning if the reference is unique.
# User-Facing Changes
- `Value::Record` field is a different type (plugin authors)
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
- [ ] use for `EngineState`
- [ ] use for `Value::List`
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* Fixes#12482
* Initial PR failed due to CI issues at the time. Subsequent rebase
failed, so creating new PR.
# Description
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Use https://github.com/ndjson/ndjson-spec for help links instead of
former spam site
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
Link changed for `help to ndjson` and `help from ndjson`.
# Tests + Formatting
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- `cargo test --workspace` to check that all tests pass (on Windows make
sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
- `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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- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
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# Description
Added a method for getting the base value for a PluginCustomValue.
cc: @devyn
---------
Co-authored-by: Jack Wright <jack.wright@disqo.com>
# Description
From @maxim-uvarov's
[post](https://discord.com/channels/601130461678272522/1227612017171501136/1228656319704203375).
When calling `to-lazy` back to back in a pipeline, an error should not
occur:
```
> [[a b]; [6 2] [1 4] [4 1]] | polars into-lazy | polars into-lazy
Error: nu:🐚:cant_convert
× Can't convert to NuDataFrame.
╭─[entry #1:1:30]
1 │ [[a b]; [6 2] [1 4] [4 1]] | polars into-lazy | polars into-lazy
· ────────┬───────
· ╰── can't convert NuLazyFrameCustomValue to NuDataFrame
╰────
```
This pull request ensures that custom value's of NuLazyFrameCustomValue are properly converted when passed in.
Co-authored-by: Jack Wright <jack.wright@disqo.com>
# Description
Close: #12147Close: #11796
About the change: it make pattern handling into a function:
`ls_for_one_pattern`(for ls), `du_for_one_pattern`(for du). Then
iterates on user input pattern, call these core function, and chaining
these iterator to one pipelinedata.
# Description
- Refactors `first` and `last` using `Vec::truncate` and `Vec::drain`.
- `std::mem::take` was also used to eliminate a few `Value` clones.
- The `NeedsPositiveValue` error now uses the span of the `rows`
argument instead of the call head span.
- `last` now errors on an empty stream to match `first` which does
error.
- Made metadata preservation more consistent.
# User-Facing Changes
Breaking change: `last` now errors on an empty stream to match `first`
which does error.
# Description
@maxim-uvarov discovered an issue with the current implementation. When
executing [[index a]; [1 1]] | polars into-df, a plugin_failed_to_decode
error occurs. This happens because a Record is created with two columns
named "index" as an index column is added during conversion. This pull
request addresses the problem by not adding an index column if there is
already a column named "index" in the dataframe.
---------
Co-authored-by: Jack Wright <jack.wright@disqo.com>
# Description
All polars commands that output a file were not handling relative paths
correctly.
A command like
``` [[a b]; [6 2] [1 4] [4 1]] | polars into-df | polars to-parquet foo.json```
was outputting the foo.json to the directory of the plugin executable.
This pull request pulls in nu-path and using it for resolving the file paths.
Related discussion
https://discord.com/channels/601130461678272522/1227612017171501136/1227889870358183966
# User-Facing Changes
None
# Tests + Formatting
Done, added tests for each of the polars to-* commands.
---------
Co-authored-by: Jack Wright <jack.wright@disqo.com>
# Description
This bumps nushell to the latest reedline main brach which includes the
new bashism !term.
# 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
sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
- `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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# After Submitting
<!-- If your PR had any user-facing changes, update [the
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# Description
The `kill` command returns a stream with a single value. This PR changes
it to simply return the value.
# User-Facing Changes
Technically a breaking change.
# Description
Refactors `drop` using `Vec::truncate` and adds a `NeedsPositiveValue`
error.
# User-Facing Changes
Breaking change: `drop` now errors if the number of rows/columns is
negative.
# Description
This PR just adds better logging for shell_integration and tweaks the
ansi escapes so they're closer to where the action happens. I also added
some perf log entries to help better understand plugin file load and
eval performance.
# 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
sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
- `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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# After Submitting
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# Description
`polars ls` is already different that `dfr ls`. Currently it just shows
the cache key, columns, rows, and type. I have added:
- creation time
- size
- span contents
- span start and end
<img width="1471" alt="Screenshot 2024-04-10 at 17 27 06"
src="https://github.com/nushell/nushell/assets/56345/545918b7-7c96-4c25-bc01-b9e2b659a408">
# Tests + Formatting
Done
Co-authored-by: Jack Wright <jack.wright@disqo.com>
# Description
The CI has been failing lately on macOS, most likely because it's
running out of memory now that
the `polars` plugin has been included and it's quite large on top of
`dfr`.
This PR just makes use use the `macos-13` runner instead of
`macos-latest` because the latter has
only half as much RAM because it's running on the Apple M1 platform.
---------
Co-authored-by: sholderbach <sholderbach@users.noreply.github.com>
related to
- https://github.com/nushell/nushell/pull/12196
# Description
while i'm 100% okey with the original intent behind
https://github.com/nushell/nushell/pull/12196, i think the PR did
introduce two unintended things:
- extra parentheses that make the `log.nu` module look like Lisp lol
- a renaming of the `NU_LOG_LEVEL` environment variable to
`NU_log-level`. this breaks previous usage of `std log` and, as it's not
mentionned at all in the PR, i thought it was not intentional 😋
# User-Facing Changes
users can now control `std log` with `$env.NU_LOG_LEVEL`
# Tests + Formatting
the "log" tests have been fixed as well.
# After Submitting
# Description
Fixes: #11996
After this change `let t = timeit ^ls` will list current directory to
stdout.
```
❯ let t = timeit ^ls
CODE_OF_CONDUCT.md Cargo.lock Cross.toml README.md aaa benches devdocs here11 scripts target toolkit.nu wix
CONTRIBUTING.md Cargo.toml LICENSE a.txt assets crates docker rust-toolchain.toml src tests typos.toml
```
If user don't want such behavior, he can redirect the stdout to `std
null-stream` easily
```
> use std
> let t = timeit { ^ls o> (std null-device) }
```
# User-Facing Changes
NaN
# Tests + Formatting
Done
# After Submitting
Nan
---------
Co-authored-by: Ian Manske <ian.manske@pm.me>
# Description
This is an attempt to isolate the unit tests from whatever might be in
the user's config. If the
user's config is broken in some way or incompatible with this version
(for example, especially if
there are plugins that aren't built for this version), tests can
spuriously fail.
This makes tests more reliably pass the same way they would on CI even
if the user has config, and
should also make them run faster.
I think this is _good enough_, but I still think we should have a
specific config dir env variable for nushell specifically (rather than
having to use `XDG_CONFIG_HOME`, which would mess with other things) and
then we can just have `nu-test-support` set that to a temporary dir
containing the shipped default config files.
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# Description
I spent a while trying to come up with a good name for what is currently
`IoStream`. Looking back, this name is not the best, because it:
1. Implies that it is a stream, when it all it really does is specify
the output destination for a stream/pipeline.
2. Implies that it handles input and output, when it really only handles
output.
So, this PR renames `IoStream` to `OutDest` instead, which should be
more clear.
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# Description
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Fixes#7849, #11465 based on @kubouch's suggestion in
https://github.com/nushell/nushell/issues/11465#issuecomment-1883847806.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
Can source files relative to `env.nu` or `config.nu` like in #6150.
# Tests + Formatting
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Adds test that previously failed.
# After Submitting
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# Description
I have `nu` set as my shell in my editor, which allows me to easily pipe
selections of text to things like `str pascal-case` or even more complex
string operation pipelines, which I find super handy. However, the only
annoying thing is that I pretty much always have to add `| print -n` at
the end, because `nu` adds a newline when it prints the resulting value.
This adds a `--no-newline` option to stop that from happening, and then
you don't need to pipe to `print -n` anymore, you can just have your
shell command for your editor contain that flag.
# User-Facing Changes
- Add `--no-newline` command line option
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# Description
This allows plugins to view the source code of spans.
Requested by @ayax79 for implementing `polars ls`. Note that this won't
really help you find the location of the span. I'm planning to add
another engine call that will return information more similar to what
shows up in the miette diagnostics, with filename / line number / some
context, but I'll want to refactor some of the existing logic to make
that happen, so it was easier to just do this first. I hope this is
enough to at least have something somewhat useful show up for `polars
ls`.
# User-Facing Changes
- Example plugin: added `example view span` command
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
- [ ] Add to plugin protocol reference
Also update the `rust-version` in `Cargo.toml` following the update to
`rust-toolchain.toml` in #12258
# Testing
Added a CI check to verify any future PRs trying to update one will also
have to update the other. (using `std-lib-and-python-virtualenv` job as
this already includes a fresh `nu` binary for a little toml munching
script)
# Description
This PR tries to be a bit more precise with the repl logging when
starting nushell with `nu --log-level debug`. It adds a few more `perf`
lines and changes some of the text of others.
# User-Facing Changes
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helps us keep track of breaking changes. -->
# Tests + Formatting
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> **Note**
> from `nushell` you can also use the `toolkit` as follows
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> toolkit check pr
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# After Submitting
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