# Description
Allows `Stack` to have a modified local `Config`, which is updated
immediately when `$env.config` is assigned to. This means that even
within a script, commands that come after `$env.config` changes will
always see those changes in `Stack::get_config()`.
Also fixed a lot of cases where `engine_state.get_config()` was used
even when `Stack` was available.
Closes#13324.
# User-Facing Changes
- Config changes apply immediately after the assignment is executed,
rather than whenever config is read by a command that needs it.
- Potentially slower performance when executing a lot of lines that
change `$env.config` one after another. Recommended to get `$env.config`
into a `mut` variable first and do modifications, then assign it back.
- Much faster performance when executing a script that made
modifications to `$env.config`, as the changes are only parsed once.
# Tests + Formatting
All passing.
# After Submitting
- [ ] release notes
# Description
This PR adds an internal representation language to Nushell, offering an
alternative evaluator based on simple instructions, stream-containing
registers, and indexed control flow. The number of registers required is
determined statically at compile-time, and the fixed size required is
allocated upon entering the block.
Each instruction is associated with a span, which makes going backwards
from IR instructions to source code very easy.
Motivations for IR:
1. **Performance.** By simplifying the evaluation path and making it
more cache-friendly and branch predictor-friendly, code that does a lot
of computation in Nushell itself can be sped up a decent bit. Because
the IR is fairly easy to reason about, we can also implement
optimization passes in the future to eliminate and simplify code.
2. **Correctness.** The instructions mostly have very simple and
easily-specified behavior, so hopefully engine changes are a little bit
easier to reason about, and they can be specified in a more formal way
at some point. I have made an effort to document each of the
instructions in the docs for the enum itself in a reasonably specific
way. Some of the errors that would have happened during evaluation
before are now moved to the compilation step instead, because they don't
make sense to check during evaluation.
3. **As an intermediate target.** This is a good step for us to bring
the [`new-nu-parser`](https://github.com/nushell/new-nu-parser) in at
some point, as code generated from new AST can be directly compared to
code generated from old AST. If the IR code is functionally equivalent,
it will behave the exact same way.
4. **Debugging.** With a little bit more work, we can probably give
control over advancing the virtual machine that `IrBlock`s run on to
some sort of external driver, making things like breakpoints and single
stepping possible. Tools like `view ir` and [`explore
ir`](https://github.com/devyn/nu_plugin_explore_ir) make it easier than
before to see what exactly is going on with your Nushell code.
The goal is to eventually replace the AST evaluator entirely, once we're
sure it's working just as well. You can help dogfood this by running
Nushell with `$env.NU_USE_IR` set to some value. The environment
variable is checked when Nushell starts, so config runs with IR, or it
can also be set on a line at the REPL to change it dynamically. It is
also checked when running `do` in case within a script you want to just
run a specific piece of code with or without IR.
# Example
```nushell
view ir { |data|
mut sum = 0
for n in $data {
$sum += $n
}
$sum
}
```
```gas
# 3 registers, 19 instructions, 0 bytes of data
0: load-literal %0, int(0)
1: store-variable var 904, %0 # let
2: drain %0
3: drop %0
4: load-variable %1, var 903
5: iterate %0, %1, end 15 # for, label(1), from(14:)
6: store-variable var 905, %0
7: load-variable %0, var 904
8: load-variable %2, var 905
9: binary-op %0, Math(Plus), %2
10: span %0
11: store-variable var 904, %0
12: load-literal %0, nothing
13: drain %0
14: jump 5
15: drop %0 # label(0), from(5:)
16: drain %0
17: load-variable %0, var 904
18: return %0
```
# Benchmarks
All benchmarks run on a base model Mac Mini M1.
## Iterative Fibonacci sequence
This is about as best case as possible, making use of the much faster
control flow. Most code will not experience a speed improvement nearly
this large.
```nushell
def fib [n: int] {
mut a = 0
mut b = 1
for _ in 2..=$n {
let c = $a + $b
$a = $b
$b = $c
}
$b
}
use std bench
bench { 0..50 | each { |n| fib $n } }
```
IR disabled:
```
╭───────┬─────────────────╮
│ mean │ 1ms 924µs 665ns │
│ min │ 1ms 700µs 83ns │
│ max │ 3ms 450µs 125ns │
│ std │ 395µs 759ns │
│ times │ [list 50 items] │
╰───────┴─────────────────╯
```
IR enabled:
```
╭───────┬─────────────────╮
│ mean │ 452µs 820ns │
│ min │ 427µs 417ns │
│ max │ 540µs 167ns │
│ std │ 17µs 158ns │
│ times │ [list 50 items] │
╰───────┴─────────────────╯
```
##
[gradient_benchmark_no_check.nu](https://github.com/nushell/nu_scripts/blob/main/benchmarks/gradient_benchmark_no_check.nu)
IR disabled:
```
╭───┬──────────────────╮
│ 0 │ 27ms 929µs 958ns │
│ 1 │ 21ms 153µs 459ns │
│ 2 │ 18ms 639µs 666ns │
│ 3 │ 19ms 554µs 583ns │
│ 4 │ 13ms 383µs 375ns │
│ 5 │ 11ms 328µs 208ns │
│ 6 │ 5ms 659µs 542ns │
╰───┴──────────────────╯
```
IR enabled:
```
╭───┬──────────────────╮
│ 0 │ 22ms 662µs │
│ 1 │ 17ms 221µs 792ns │
│ 2 │ 14ms 786µs 708ns │
│ 3 │ 13ms 876µs 834ns │
│ 4 │ 13ms 52µs 875ns │
│ 5 │ 11ms 269µs 666ns │
│ 6 │ 6ms 942µs 500ns │
╰───┴──────────────────╯
```
##
[random-bytes.nu](https://github.com/nushell/nu_scripts/blob/main/benchmarks/random-bytes.nu)
I got pretty random results out of this benchmark so I decided not to
include it. Not clear why.
# User-Facing Changes
- IR compilation errors may appear even if the user isn't evaluating
with IR.
- IR evaluation can be enabled by setting the `NU_USE_IR` environment
variable to any value.
- New command `view ir` pretty-prints the IR for a block, and `view ir
--json` can be piped into an external tool like [`explore
ir`](https://github.com/devyn/nu_plugin_explore_ir).
# Tests + Formatting
All tests are passing with `NU_USE_IR=1`, and I've added some more eval
tests to compare the results for some very core operations. I will
probably want to add some more so we don't have to always check
`NU_USE_IR=1 toolkit test --workspace` on a regular basis.
# After Submitting
- [ ] release notes
- [ ] further documentation of instructions?
- [ ] post-release: publish `nu_plugin_explore_ir`
# Description
This PR introduces a new `Signals` struct to replace our adhoc passing
around of `ctrlc: Option<Arc<AtomicBool>>`. Doing so has a few benefits:
- We can better enforce when/where resetting or triggering an interrupt
is allowed.
- Consolidates `nu_utils::ctrl_c::was_pressed` and other ad-hoc
re-implementations into a single place: `Signals::check`.
- This allows us to add other types of signals later if we want. E.g.,
exiting or suspension.
- Similarly, we can more easily change the underlying implementation if
we need to in the future.
- Places that used to have a `ctrlc` of `None` now use
`Signals::empty()`, so we can double check these usages for correctness
in the future.
In this pull request, I converted the `perf` function within `nu_utils`
to a macro. This change facilitates easier usage within plugins by
allowing the use of `env_logger` and setting `RUST_LOG=nu_plugin_polars`
(or another plugin). Without this conversion, the `RUST_LOG` variable
would need to be set to `RUST_LOG=nu_utils::utils`, which is less
intuitive and impossible to narrow the perf results to one plugin.
# Description
This fixes a bug in the `OSC 9;9` functionality where the path wasn't
being constructed properly and therefore wasn't getting set right for
things like "Duplicate Tab" in Windows Terminal. Thanks to @Araxeus for
finding it.
Related to https://github.com/nushell/nushell/issues/10166
# User-Facing Changes
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# Tests + Formatting
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tests for the standard library
> **Note**
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> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
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> ```
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As discussed in https://github.com/nushell/nushell/pull/12749, we no
longer need to call `std::env::set_current_dir()` to sync `$env.PWD`
with the actual working directory. This PR removes the call from
`EngineState::merge_env()`.
# Description
In order for `Stack::unwrap_unique` to work as intended, we currently
manually track all references to the parent stack and ensure that they
are cleared before calling `Stack::unwrap_unique` in the REPL. We also
only call `Stack::unwrap_unique` after all code from the current REPL
entry has finished executing. Since `Value`s cannot store `Stack`
references, then this should have worked in theory. However, we forgot
to account for threads. `run-external` (and maybe the plugin writers)
can spawn threads that clone the `Stack`, holding on to references of
the parent stack. These threads are not waited/joined upon, and so may
finish after the eval has already returned. This PR removes the
`Stack::unwrap_unique` function and associated debug assert that was
[causing
panics](https://gist.github.com/cablehead/f3d2608a1629e607c2d75290829354f7)
like @cablehead found.
# After Submitting
Make values cheaper to clone as a more robust solution to the
performance issues with cloning the stack.
---------
Co-authored-by: Wind <WindSoilder@outlook.com>
This PR has two parts. The first part is the addition of the
`Stack::set_pwd()` API. It strips trailing slashes from paths for
convenience, but will reject otherwise bad paths, leaving PWD in a good
state. This should reduce the impact of faulty code incorrectly trying
to set PWD.
(https://github.com/nushell/nushell/pull/12760#issuecomment-2095393012)
The second part is implementing a PWD recovery mechanism. PWD can become
bad even when we did nothing wrong. For example, Unix allows you to
remove any directory when another process might still be using it, which
means PWD can just "disappear" under our nose. This PR makes it possible
to use `cd` to reset PWD into a good state. Here's a demonstration:
```sh
mkdir /tmp/foo
cd /tmp/foo
# delete "/tmp/foo" in a subshell, because Nushell is smart and refuse to delete PWD
nu -c 'cd /; rm -r /tmp/foo'
ls # Error: × $env.PWD points to a non-existent directory
# help: Use `cd` to reset $env.PWD into a good state
cd /
pwd # prints /
```
Also, auto-cd should be working again.
# Description
Refactors the code in `nu-cli`, `main.rs`, `run.rs`, and few others.
Namely, I added `EngineState::generate_nu_constant` function to
eliminate some duplicate code. Otherwise, I changed a bunch of areas to
return errors instead of calling `std::process::exit`.
# User-Facing Changes
Should be none.
# Description
Adds an additional `&Stack` parameter to `Completer::fetch` so that the
completers don't have to store a `Stack` themselves. I also removed
unnecessary `EngineState`s from the completers, since the same
`EngineState` is available in the `working_set.permanent_state` also
passed to `Completer::fetch`.
# Description
This PR is a continuation of #12629 and meant to address [Reilly's
stated
issue](https://github.com/nushell/nushell/pull/12629#issuecomment-2099660609).
With this PR, nushell should work more consistently with WezTerm on
Windows. However, that means continued scrolling with typing if osc133
is enabled. If it's possible to run WezTerm inside of vscode, then
having osc633 enabled will also cause the display to scroll with every
character typed. I think the cause of this is that reedline paints the
entire prompt on each character typed. We need to figure out how to fix
that, but that's in reedline.
For my purposes, I keep osc133 and osc633 set to true and don't use
WezTerm on Windows.
Thanks @rgwood for reporting the issue. I found several logic errors.
It's often good to come back to PRs and look at them with fresh eyes. I
think this is pretty close to logically correct now. However, I'm
approaching burn out on ansi escape codes so i could've missed
something.
Kudos to [escape-artist](https://github.com/rgwood/escape-artist) for
helping me debug an ansi escape codes that are actually being sent to
the terminal. It was an invaluable tool.
# User-Facing Changes
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helps us keep track of breaking changes. -->
# Tests + Formatting
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> **Note**
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> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
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This is the first PR towards migrating to a new `$env.PWD` API that
returns potentially un-canonicalized paths. Refer to PR #12515 for
motivations.
## New API: `EngineState::cwd()`
The goal of the new API is to cover both parse-time and runtime use
case, and avoid unintentional misuse. It takes an `Option<Stack>` as
argument, which if supplied, will search for `$env.PWD` on the stack in
additional to the engine state. I think with this design, there's less
confusion over parse-time and runtime environments. If you have access
to a stack, just supply it; otherwise supply `None`.
## Deprecation of other PWD-related APIs
Other APIs are re-implemented using `EngineState::cwd()` and properly
documented. They're marked deprecated, but their behavior is unchanged.
Unused APIs are deleted, and code that accesses `$env.PWD` directly
without using an API is rewritten.
Deprecated APIs:
* `EngineState::current_work_dir()`
* `StateWorkingSet::get_cwd()`
* `env::current_dir()`
* `env::current_dir_str()`
* `env::current_dir_const()`
* `env::current_dir_str_const()`
Other changes:
* `EngineState::get_cwd()` (deleted)
* `StateWorkingSet::list_env()` (deleted)
* `repl::do_run_cmd()` (rewritten with `env::current_dir_str()`)
## `cd` and `pwd` now use logical paths by default
This pulls the changes from PR #12515. It's currently somewhat broken
because using non-canonicalized paths exposed a bug in our path
normalization logic (Issue #12602). Once that is fixed, this should
work.
## Future plans
This PR needs some tests. Which test helpers should I use, and where
should I put those tests?
I noticed that unquoted paths are expanded within `eval_filepath()` and
`eval_directory()` before they even reach the `cd` command. This means
every paths is expanded twice. Is this intended?
Once this PR lands, the plan is to review all usages of the deprecated
APIs and migrate them to `EngineState::cwd()`. In the meantime, these
usages are annotated with `#[allow(deprecated)]` to avoid breaking CI.
---------
Co-authored-by: Jakub Žádník <kubouch@gmail.com>
# Description
This PR overhauls the shell_integration system by allowing individual
control over which ansi escape sequences are used. As we continue to
broaden our support for more ansi escape sequences, we can't really have
an all-or-nothing strategy. Some ansi escapes cause problems in certain
operating systems or terminals. We should allow the user to choose which
escapes they want.
TODO:
* Gather feedback
* Should osc7, osc9_9 and osc633p be mutually exclusive?
* Is the naming convention for these settings too nerdy osc2, osc7, etc?
closes#11301
# User-Facing Changes
shell_integration is no longer a boolean value. This is what is
supported in the default_config.nu
```nushell
shell_integration: {
# osc2 abbreviates the path if in the home_dir, sets the tab/window title, shows the running command in the tab/window title
osc2: true
# osc7 is a way to communicate the path to the terminal, this is helpful for spawning new tabs in the same directory
osc7: true
# osc8 is also implemented as the deprecated setting ls.show_clickable_links, it shows clickable links in ls output if your terminal supports it
osc8: true
# osc9_9 is from ConEmu and is starting to get wider support. It's similar to osc7 in that it communicates the path to the terminal
osc9_9: false
# osc133 is several escapes invented by Final Term which include the supported ones below.
# 133;A - Mark prompt start
# 133;B - Mark prompt end
# 133;C - Mark pre-execution
# 133;D;exit - Mark execution finished with exit code
# This is used to enable terminals to know where the prompt is, the command is, where the command finishes, and where the output of the command is
osc133: true
# osc633 is closely related to osc133 but only exists in visual studio code (vscode) and supports their shell integration features
# 633;A - Mark prompt start
# 633;B - Mark prompt end
# 633;C - Mark pre-execution
# 633;D;exit - Mark execution finished with exit code
# 633;E - NOT IMPLEMENTED - Explicitly set the command line with an optional nonce
# 633;P;Cwd=<path> - Mark the current working directory and communicate it to the terminal
# and also helps with the run recent menu in vscode
osc633: true
# reset_application_mode is escape \x1b[?1l and was added to help ssh work better
reset_application_mode: true
}
```
# Tests + Formatting
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Should close#10833 — though I'd imagine that should have already been
closed.
# Description
Very minor tweak, but it was quite noticeable when using Zellij which
relies on OSC 2 to set pane titles. Before the change:
Note that the default `Pane #1` is still showing for the untouched
shell, but running a command like `htop` or `ls` correctly sets the
title during / afterwards.
After this PR:
There are now no-longer any unset titles — even if the shell hasn't been
touched.
**As an aside:** I feel quite strongly that (at least OSC 2) shell
integration should be enabled by default, as it is for every other Linux
shell I've used, but I'm not sure which issues that caused that the
default config refers to? Which terminals are broken by shell
integration, and could some of the shell integrations be turned on by
default after splitting things into sub-options as suggested in #11301 ?
# User-Facing Changes
You'll just have shell integrations working from right after the shell
has been launched, instead of needing to run something first.
# Tests + Formatting
Not quite sure how to test this one? Are there any other tests that
currently exist for shell integration? I couldn't quite track them
down...
# After Submitting
Let me know if you think this needs any user-facing docs changes!
# 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
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# 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.
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I was playing around with auto-cd and realised it didn't check for
permissions before cd'ing. This PR fixes that.
```
~/CodingProjects/nushell> /root
Error: nu:🐚:io_error
× I/O error
help: Cannot change directory to /root: You are neither the owner, in the group, nor the super user and do not have permission
```
This PR also refactors some of the filesystem utilities to nu-utils,
specifically the permissions checking and users.
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# Description
Fixes#12382, where overlay changes from hooks were not preserved into
the global state. This was due to creating child stacks for hooks, when
the global stack should have been used instead.
Those allocations are all small and insignificant in the grand scheme of
things and the optimizer may be able to resolve some of those but better
to be nice anyways.
Primarily inspired by the new
[`clippy::assigning_clones`](https://rust-lang.github.io/rust-clippy/master/index.html#/assigning_clones)
- **Avoid reallocs with `clone_from` in `nu-parser`**
- **Avoid realloc on assignment in `Stack`**
- **Fix `clippy::assigning_clones` in `nu-cli`**
- **Reuse allocations in `nu-explore` if possible**
# Description
This PR adds a few more `trace!()` and `perf()` statements that allowed
a deeper understanding of the nushell startup process when used with `nu
-n --no-std-lib --log-level trace`.
# User-Facing Changes
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# Tests + Formatting
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# Description
When implementing a `Command`, one must also import all the types
present in the function signatures for `Command`. This makes it so that
we often import the same set of types in each command implementation
file. E.g., something like this:
```rust
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EngineState, Stack};
use nu_protocol::{
record, Category, Example, IntoInterruptiblePipelineData, IntoPipelineData, PipelineData,
ShellError, Signature, Span, Type, Value,
};
```
This PR adds the `nu_engine::command_prelude` module which contains the
necessary and commonly used types to implement a `Command`:
```rust
// command_prelude.rs
pub use crate::CallExt;
pub use nu_protocol::{
ast::{Call, CellPath},
engine::{Command, EngineState, Stack},
record, Category, Example, IntoInterruptiblePipelineData, IntoPipelineData, IntoSpanned,
PipelineData, Record, ShellError, Signature, Span, Spanned, SyntaxShape, Type, Value,
};
```
This should reduce the boilerplate needed to implement a command and
also gives us a place to track the breadth of the `Command` API. I tried
to be conservative with what went into the prelude modules, since it
might be hard/annoying to remove items from the prelude in the future.
Let me know if something should be included or excluded.
# Description
Fixes: #11887Fixes: #11626
This pr unify the tilde expand behavior over several filesystem relative
commands. It follows the same rule with glob expansion:
| command | result |
| ----------- | ------ |
| ls ~/aaa | expand tilde
| ls "~/aaa" | don't expand tilde
| let f = "~/aaa"; ls $f | don't expand tilde, if you want to: use `ls
($f \| path expand)`
| let f: glob = "~/aaa"; ls $f | expand tilde, they don't expand on
`mkdir`, `touch` comamnd.
Actually I'm not sure for 4th item, currently it's expanding is just
because it followes the same rule with glob expansion.
### About the change
It changes `expand_path_with` to accept a new argument called
`expand_tilde`, if it's true, expand it, if not, just keep it as `~`
itself.
# User-Facing Changes
After this change, `ls "~/aaa"` won't expand tilde.
# Tests + Formatting
Done
This is another attempt on #11288
This allows for a `Stack` to have a parent stack (behind an `Arc`). This
is being added to avoid constant stack copying in REPL code.
Concretely the following changes are included here:
- `Stack` can now have a `parent_stack`, pointing to another stack
- variable lookups can fallback to this parent stack (env vars and
everything else is still copied)
- REPL code has been reworked so that we use parenting rather than
cloning. A REPL-code-specific trait helps to ensure that we do not
accidentally trigger a full clone of the main stack
- A property test has been added to make sure that parenting "looks the
same" as cloning for consumers of `Stack` objects
---------
Co-authored-by: Raphael Gaschignard <rtpg@rokkenjima.local>
Co-authored-by: Ian Manske <ian.manske@pm.me>
Handle all errors that happen within the REPL loop, display warning or
error messages, and return defaults where necessary.
This addresses @IanManske [Comment Item
1](https://github.com/nushell/nushell/pull/11860#issuecomment-1959947240)
in #11860
---------
Co-authored-by: Jack Wright <jack.wright@disqo.com>
Provides the ability to cleanly recover from panics, falling back to the
last known good state of EngineState and Stack. This pull request also
utilizes miette's panic handler for better formatting of panics.
<img width="642" alt="Screenshot 2024-02-21 at 08 34 35"
src="https://github.com/nushell/nushell/assets/56345/f81efaba-aa45-4e47-991c-1a2cf99e06ff">
---------
Co-authored-by: Jack Wright <jack.wright@disqo.com>
# Description
This PR renames the conversion functions on `Value` to be more consistent.
It follows the Rust [API guidelines](https://rust-lang.github.io/api-guidelines/naming.html#ad-hoc-conversions-follow-as_-to_-into_-conventions-c-conv) for ad-hoc conversions.
The conversion functions on `Value` now come in a few forms:
- `coerce_{type}` takes a `&Value` and attempts to convert the value to
`type` (e.g., `i64` are converted to `f64`). This is the old behavior of
some of the `as_{type}` functions -- these functions have simply been
renamed to better reflect what they do.
- The new `as_{type}` functions take a `&Value` and returns an `Ok`
result only if the value is of `type` (no conversion is attempted). The
returned value will be borrowed if `type` is non-`Copy`, otherwise an
owned value is returned.
- `into_{type}` exists for non-`Copy` types, but otherwise does not
attempt conversion just like `as_type`. It takes an owned `Value` and
always returns an owned result.
- `coerce_into_{type}` has the same relationship with `coerce_{type}` as
`into_{type}` does with `as_{type}`.
- `to_{kind}_string`: conversion to different string formats (debug,
abbreviated, etc.). Only two of the old string conversion functions were
removed, the rest have been renamed only.
- `to_{type}`: other conversion functions. Currently, only `to_path`
exists. (And `to_string` through `Display`.)
This table summaries the above:
| Form | Cost | Input Ownership | Output Ownership | Converts `Value`
case/`type` |
| ---------------------------- | ----- | --------------- |
---------------- | -------- |
| `as_{type}` | Cheap | Borrowed | Borrowed/Owned | No |
| `into_{type}` | Cheap | Owned | Owned | No |
| `coerce_{type}` | Cheap | Borrowed | Borrowed/Owned | Yes |
| `coerce_into_{type}` | Cheap | Owned | Owned | Yes |
| `to_{kind}_string` | Expensive | Borrowed | Owned | Yes |
| `to_{type}` | Expensive | Borrowed | Owned | Yes |
# User-Facing Changes
Breaking API change for `Value` in `nu-protocol` which is exposed as
part of the plugin API.
While working on #11288 I was having some trouble tracking the main REPL
loop, so I've sent in a bunch of tiny refactorings on this branch.
These are almost all of the "move code from one place to another"
variety, and each commit is meant to be independent, _except for the
last one_, which is trying to be a bit more clever to handle the
decision of autocd'ing vs running a command. Feel free to just go
through each commit and cherry pick the ones that look good.
This leads to `evaluate_repl` going from ending on line 715 to ending on
line 395. Again, this is mostly just moving code around, but I think
this set of changes will make other changes around juggling the stack to
avoid cloning easier to review.
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# Description
environment variables were not correctly passed to `buffer_editor`.
Previously the conversion (if you can call it that) is incorrectly done
by `.as_string()`, which works for the most part, but ignores important
things like `PATH`, which are not strings in value form by default
(this issue was introduced in #10269, merged in #10535)
# User-Facing Changes
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helps us keep track of breaking changes. -->
# Tests + Formatting
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# Description
When resolving external commands, the current `PATH` was not taken into
account.
# User-Facing Changes
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helps us keep track of breaking changes. -->
# Tests + Formatting
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This PR should close#1171
# Description
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This PR introduces the capability to select text using the existing
move.. `EditCommand`s of `reedline`. Those commands are extended with an
optional parameter specifying if text should be selected while
navigating. This enables a workflow familiar from a wide variety of text
editors, where holding `shift` while navigating selects all text between
the initial cursor position when pressing `shift` and the current cursor
position.
Before this PR can be merged the [sibling PR for
reedline](https://github.com/nushell/reedline/pull/689) has to land
first.
# User-Facing Changes
## Additional `EditCommand`s
1. `SelectAll`
2. `CutSelection`
3. `CopySelection`
## New optional parameter on existing `EditCommand`s
All `EditCommand`s of `EditType` `MoveCursor` have a new optional
parameter named `select` of type `bool`. If this parameter is not set by
a user it is treated as false, which corresponds to their behavior up to
now.
I am relatively new to `nushell` and as such may not know of existing
behavior that might change through this PR. However, I believe there
should be none. I come to this conclusion because
1. Existing commands are extended only with an *optional* additional
parameter, users who currently use these EditCommands keep their
existing behavior if they don't use it.
2. A few new commands are introduced which were previously not valid.
3. The default keybindings specified in `default_config.nu` are
untouched.
# Tests + Formatting
Tests for the new optional parameter for the move commands are included
to make sure that they truly are optional and an unused optional
parameter conforms to the previous behavior.
# Description
Adds a CLI flag for nushell that disables reading and writing to the
history file. This will be useful for future testing and possibly our
users as well. To borrow `fish` shell's terminology, this allows users
to start nushell in "private" mode.
# User-Facing Changes
Breaking API change for `nu-protocol` (changed `Config`).
Closes#10260
I'm not 100% convinced about the star thing for running commands because
on short commands it makes the title jitter.
Signed-off-by: Alex Saveau <saveau.alexandre@gmail.com>
# Description
Simplifies `SIGQUIT` protection to a single `signal` ignore system call.
# User-Facing Changes
`SIGQUIT` is no longer blocked if nushell is in non-interactive mode
(signals should not be blocked in non-interactive mode).
Also a breaking API change for `nu_protocol`.
# Tests + Formatting
Should come after #11178 for testing.
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# Description
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This PR is basically a copy of #10986 by @CAD97, which made
`$env.PROMPT_COMMAND` only run once per prompt, but @fdncred found an
issue where hitting Enter would make the transient prompt appear and be
immediately overwritten by the regular prompt, so it was
[reverted](https://github.com/nushell/nushell/pull/11340).
https://github.com/nushell/nushell/pull/10788 was also made to do the
same thing as #10986 but that ended up having the same issue. For some
reason, this branch doesn't have that problem, although I haven't
figured out why yet.
@CAD97, if you have any inputs or want to make your own PR, let me know.
# User-Facing Changes
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helps us keep track of breaking changes. -->
When hitting enter, the prompt shouldn't blink in place anymore.
# Tests + Formatting
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Fixes#11260
# Description
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Note: my issue description was a bit wrong. Issue one can't be
reproduced without a config (`shell_integration` isn't on by default,
so..), however the issue itself is still valid
For issue 1, the default prompt needs to know about the
`shell_integration` config, and the markers are added around the default
prompt when that's on.
For issue 2, this is actually related to transient prompts. When
rendering, the markers weren't added like for normal prompts.
After the fix the output do now contain the proper markers:
Reproducing the minimum config here for convenience:
```nu
$env.config = {
show_banner: false
shell_integration: true
}
# $env.PROMPT_COMMAND = {|| "> " }
```
For issue 1, the output looks like:
```
[2.3490236,"o","\u001b[?25l\u001b[21;1H\u001b[21;1H\u001b[J\u001b[38;5;10m\u001b]133;A\u001b\\/home/steven\u001b]133;B\u001b\\\u001b[38;5;14m\u001b[38;5;5m\u001b7\u001b[21;84H12/16/2023 03:31:58 PM\u001b8\u001b[0m\u001b[0m\u001b[1;36mecho\u001b[0m\u001b7\u001b8\u001b[?25h"]
[2.5676293,"o","\u001b[6n"]
[2.571353,"o","\u001b[?25l\u001b[21;1H\u001b[21;1H\u001b[J\u001b[38;5;10m\u001b]133;A\u001b\\\u001b]133;A\u001b\\/home/steven\u001b]133;B\u001b\\\u001b]133;B\u001b\\\u001b[38;5;14m\u001b[38;5;5m\u001b7\u001b[21;84H12/16/2023 03:31:59 PM\u001b8\u001b[0m\u001b[0m\u001b[1;36mecho\u001b[0m\u001b7\u001b8\u001b[?25h\u001b[21;1H\r\n\u001b[21;1H"]
[2.571436,"o","\u001b[?2004l"]
[2.5714657,"o","\u001b]133;C\u001b\\"]
```
in line 3, where enter is pressed, `133 A` and `B` are present.
Same for issue 2 (uncomment the `PROMPT_COMMAND` line in the config):
```
[1.9585224,"o","\u001b[?25l\u001b[21;1H\u001b[21;1H\u001b[J\u001b[38;5;10m\u001b]133;A\u001b\\> \u001b]133;B\u001b\\\u001b[38;5;14m\u001b[38;5;5m\u001b7\u001b[21;84H12/16/2023 03:32:15 PM\u001b8\u001b[0m\u001b[0m\u001b[1;36mecho\u001b[0m\u001b7\u001b8\u001b[?25h"]
[2.453972,"o","\u001b[6n"]
[2.4585786,"o","\u001b[?25l\u001b[21;1H\u001b[21;1H\u001b[J\u001b[38;5;10m\u001b]133;A\u001b\\\u001b]133;A\u001b\\> \u001b]133;B\u001b\\\u001b]133;B\u001b\\\u001b[38;5;14m\u001b[38;5;5m\u001b7\u001b[21;84H12/16/2023 03:32:15 PM\u001b8\u001b[0m\u001b[0m\u001b[1;36mecho\u001b[0m\u001b7\u001b8\u001b[?25h\u001b[21;1H\r\n\u001b[21;1H\u001b[?2004l\u001b]133;C\u001b\\\r\n\u001b]133;D;0\u001b\\\u001b]7;file://Aostro-5468/home/steven\u001b\\\u001b]2;~\u0007\u001b[?1l"]
[2.4669976,"o","\u001b[?2004h\u001b[6n"]
[2.4703515,"o","\u001b[6n"]
[2.4736586,"o","\u001b[?25l\u001b[21;1H\u001b[21;1H\u001b[J\u001b[38;5;10m\u001b]133;A\u001b\\> \u001b]133;B\u001b\\\u001b[38;5;14m\u001b[38;5;5m\u001b7\u001b[21;84H12/16/2023 03:32:15 PM\u001b8\u001b[0m\u001b[0m\u001b7\u001b8\u001b[?25h"]
```
# User-Facing Changes
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helps us keep track of breaking changes. -->
None user facing changes other than that prompt markers are working
# Tests + Formatting
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# Description
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moonlander pointed out in Discord that the transient prompt feature
added in release 0.86 (implemented in #10391) is causing the normal
prompt to be redrawn when the transient prompt variables are unset or
set to null. This PR is for fixing that, although it's more of a bandaid
fix. Maybe the transient prompt feature should be taken out entirely for
now so more thought can be given to its implementation.
Previously, I'd thought that when reedline redraws the prompt after a
command is entered, it's a whole new prompt, but apparently it's
actually the same prompt as the current line (?). So now, `nu_prompt` in
`repl.rs` is an `Arc<RwLock<NushellPrompt>>` (rather than just a
`NushellPrompt`), and this `Arc` is shared with the `TransientPrompt`
object so that if it can't find one of the `TRANSIENT_PROMPT_*`
variables, it uses a segment from `NushellPrompt` rather than
re-evaluate `PROMPT_COMMAND`, `PROMPT_COMMAND_RIGHT`, etc. Using an
`RwLock` means that there's a bunch of `.expect()`s all over the place,
which is not nice. It could perhaps be avoided with some changes on the
reedline side.
# User-Facing Changes
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`$env.PROMPT_COMMAND` (and other such variables) should no longer be
executed twice if the corresponding `$env.TRANSIENT_PROMPT_*` variable
is not set.
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> toolkit check pr
> ```
-->
# Steps to reproduce
Described by moonlander in Discord
[here](https://discord.com/channels/601130461678272522/614593951969574961/1164928022126792844).
Adding this to `env.nu` will result in `11` being added to
`/tmp/run_count` every time any command is run. The expected behavior is
a single `1` being added to `/tmp/run_count` instead of two. The prompt
command should not be executed again when the prompt is redrawn after a
command is executed.
```nu
$env.PROMPT_COMMAND = {||
touch /tmp/run_count
'1' | save /tmp/run_count --append
'>'
}
# $env.TRANSIENT_PROMPT_COMMAND not set
```
If the following is added to `env.nu`, then `12` will be added to
`/tmp/run_count` every time any command is run, which is expected
behavior because the normal prompt command must be displayed the first
time the prompt is shown, then the transient prompt command is run when
the prompt is redrawn.
```nu
$env.TRANSIENT_PROMPT_COMMAND = {||
touch /tmp/run_count
'2' | save /tmp/run_count --append
'>'
}
```
Here's a screenshot of what adding that first snippet looks like (`cargo
run` in the `main` branch):
Here's a screenshot of what it looks like with this PR (only one `1` is
added to `/tmp/run_count` each time):
Reverts nushell/nushell#10986
@CAD97 This isn't working right. I have a 2 line prompt with a transient
prompt. on enter, you see the transient prompt drawn and then the normal
prompt overwrites it.
# Description
If `$env.TRANSIENT_PROMPT_COMMAND` is not set, use the prompt created by
`$env.PROMPT_COMMAND` instead of running the command a second time. As a
side effect, `$env.TRANSIENT_PROMPT_COMMAND` now runs after the hooks
`pre_prompt` and `env_change`, instead of before.
# User-Facing Changes
- `$env.PROMPT_COMMAND` gets run only once per prompt instead of twice
- `$env.TRANSIENT_PROMPT_COMMAND` now sees any environment set in a
`pre_prompt` or `env_change` hook, like `$env.PROMPT_COMMAND` does
# Description
Replace `.to_string()` used in `GenericError` with `.into()` as
`.into()` seems more popular
Replace `Vec::new()` used in `GenericError` with `vec![]` as `vec![]`
seems more popular
(There are so, so many)
# Description
Convert these ShellError variants to named fields:
* CreateNotPossible
* MoveNotPossibleSingle
* DirectoryNotFoundCustom
* DirectoryNotFound
* NotADirectory
* OutOfMemoryError
* PermissionDeniedError
* IOErrorSpanned
* IOError
* IOInterrupted
Also place the `span` field of `DirectoryNotFound` last to match other
errors.
Part of #10700 (almost half done!)
# User-Facing Changes
None
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
N/A
Go from the ill-defined `enable/disable` pairs to `.use_...` builders
This alleviates unclear properties when the underlying enhancements are
enabled. Now they are enabed when entering `Reedline::read_line` and
disabled when exiting that.
Furthermore allow setting `$env.config.use_kitty_protocol` to have an
effect when toggling during runtime. Previously it was only enabled when
receiving a value from `config.nu`. I kept the warning code there to not
pollute the log. We could move it into the REPL-loop if desired
Not sure if we should actively block the enabling of `bracketed_paste`
on Windows. Need to test what happens if it just doesn't do anything we
could remove the `cfg!` switch. At least for WSL2 Windows Terminal
already supports bracketed paste. `target_os = windows` is a bad
predictor for `conhost.exe`.
Depends on https://github.com/nushell/reedline/pull/659
(pointing to personal fork)
Closes https://github.com/nushell/nushell/issues/10982
Supersedes https://github.com/nushell/nushell/pull/10998
# Description
Our config exists both as a `Config` struct for internal consumption and
as a `Value`. The latter is exposed through `$env.config` and can be
both set and read.
Thus we have a complex bug-prone mechanism, that reads a `Value` and
then tries to plug anything where the value is unrepresentable in
`Config` with the correct state from `Config`.
The parsing involves therefore mutation of the `Value` in a nested
`Record` structure. Previously this was wholy done manually, with
indices.
To enable deletion for example, things had to be iterated over from the
back. Also things were indexed in a bunch of places. This was hard to
read and an invitation for bugs.
With #10876 we can now use `Record::retain_mut` to traverse the records,
modify anything that needs fixing, and drop invalid fields.
# Parts:
- Error messages now consistently use the correct spans pointing to the
problematic value and the paths displayed in some messages are also
aligned with the keys used for lookup.
- Reconstruction of values has been fixed for:
- `table.padding`
- `buffer_editor`
- `hooks.command_not_found`
- `datetime_format` (partial solution)
- Fix validation of `table.padding` input so value is not set (and
underflows `usize` causing `table` to run forever with negative values)
- New proper types for settings. Fully validated enums instead of
strings:
- `config.edit_mode` -> `EditMode`
- Don't fall back to vi-mode on invalid string
- `config.table.mode` -> `TableMode`
- there is still a fall back to `rounded` if given an invalid
`TableMode` as argument to the `nu` binary
- `config.completions.algorithm` -> `CompletionAlgorithm`
- `config.error_style` -> `ErrorStyle`
- don't implicitly fall back to `fancy` when given an invalid value.
- This should also shrink the size of `Config` as instead of 4x24 bytes
those fields now need only 4x1 bytes in `Config`
- Completely removed macros relying on the scope of `Value::into_config`
so we can break it up into smaller parts in the future.
- Factored everything into smaller files with the types and helpers for
particular topics.
- `NuCursorShape` now explicitly expresses the `Inherit` setting.
conversion to option only happens at the interface to `reedline`
# Description
This change allows the vscode-specific ansi escape sequence of
633;P;Cwd= to be run when nushell detects that it's running inside of
vscode's terminal. Otherwise the standard OSC7 will run. This is helpful
with ctrl+g inside of vscode terminal as well.
closed#10989
/cc @CAD97
# 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 (on Windows make
sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
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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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documentation](https://github.com/nushell/nushell.github.io) after the
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