- [x] `cargo hack` feature flag compatibility run
- [x] reedline released and pinned
- [x] `nu-plugin-test-support` added to release script
- [x] dependency tree checked
- [x] release notes
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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helps us keep track of breaking changes. -->
# Tests + Formatting
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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
> ```
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# After Submitting
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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.
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# Description
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Boxes `Record` inside `Value` to reduce memory usage, `Value` goes from
`72` -> `56` bytes after this change.
# User-Facing Changes
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helps us keep track of breaking changes. -->
# Tests + Formatting
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# 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
# Description
This commit fills in the completion item kind into the
`textDocument/completion` response so that LSP client can present more
information to the user.
It is an improvement in the context of #10794
# User-Facing Changes
Improved information display in editor's intelli-sense menu
# Description
@sholderbach left a very helpful review and this just implements the
suggestions he made.
Didn't notice any difference in performance, but there could potentially
be for a long running Nushell session or one that loads a lot of stuff.
I also caught a bug where nu-protocol won't build without `plugin`
because of the previous conditional import. Oops. Fixed.
# User-Facing Changes
`blocks` and `modules` type in `EngineState` changed again. Shouldn't
affect plugins or anything else though really
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
---------
Co-authored-by: sholderbach <sholderbach@users.noreply.github.com>
# Description
Get rid of two parallel `Vec`s in `StateDelta` and `EngineState`, that
also duplicated span information. Use a struct with documenting fields.
Also use `Arc<str>` and `Arc<[u8]>` for the allocations as they are
never modified and cloned often (see #12229 for the first improvement).
This also makes the representation more compact as no capacity is
necessary.
# User-Facing Changes
API breakage on `EngineState`/`StateWorkingSet`/`StateDelta` that should
not really affect plugin authors.
# Description
This makes many of the larger objects in `EngineState` into `Arc`, and
uses `Arc::make_mut` to do clone-on-write if the reference is not
unique. This is generally very cheap, giving us the best of both worlds
- allowing us to mutate without cloning if we have an exclusive
reference, and cloning if we don't.
This started as more of a curiosity for me after remembering that
`Arc::make_mut` exists and can make using `Arc` for mostly immutable
data that sometimes needs to be changed very convenient, and also after
hearing someone complain about memory usage on Discord - this is a
somewhat significant win for that.
The exact objects that were wrapped in `Arc`:
- `files`, `file_contents` - the strings and byte buffers
- `decls` - the whole `Vec`, but mostly to avoid lots of individual
`malloc()` calls on Clone rather than for memory usage
- `blocks` - the blocks themselves, rather than the outer Vec
- `modules` - the modules themselves, rather than the outer Vec
- `env_vars`, `previous_env_vars` - the entire maps
- `config`
The changes required were relatively minimal, but this is a breaking API
change. In particular, blocks are added as Arcs, to allow the parser
cache functionality to work.
With my normal nu config, running on Linux, this saves me about 15 MiB
of process memory usage when running interactively (65 MiB → 50 MiB).
This also makes quick command executions cheaper, particularly since
every REPL loop now involves a clone of the engine state so that we can
recover from a panic. It also reduces memory usage where engine state
needs to be cloned and sent to another thread or kept within an
iterator.
# User-Facing Changes
Shouldn't be any, since it's all internal stuff, but it does change some
public interfaces so it's a breaking change
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# Description
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With the introduction of the system clipboard to nushell, many commands
changed their behavior from using a local cut buffer to the system
clipboard, perhaps surprisingly for many users. (See #11907)
This PR changes most of them back to using the local cut buffer and
introduces three commands (`CutSelectionSystem`, `CopySelectionSystem`
and `PasteSystem`) to explicitly use the system clipboard.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
Users who in the meantime already used the system clipboard now default
back to the local clipboard. To be able to use the system clipboard
again they have to append the suffix `system` to their current edit
command specified in their keybindings.
# Tests + Formatting
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crates/nu-std"` to run the tests for the standard library
> **Note**
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> ```bash
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> ```
-->
The commands themselves are tested in `reedline`. The changes introduces
in nushell are minimal and simply forward from a match on the keybinding
name to the command.
# After Submitting
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---------
Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
# Description
The PR overhauls how IO redirection is handled, allowing more explicit
and fine-grain control over `stdout` and `stderr` output as well as more
efficient IO and piping.
To summarize the changes in this PR:
- Added a new `IoStream` type to indicate the intended destination for a
pipeline element's `stdout` and `stderr`.
- The `stdout` and `stderr` `IoStream`s are stored in the `Stack` and to
avoid adding 6 additional arguments to every eval function and
`Command::run`. The `stdout` and `stderr` streams can be temporarily
overwritten through functions on `Stack` and these functions will return
a guard that restores the original `stdout` and `stderr` when dropped.
- In the AST, redirections are now directly part of a `PipelineElement`
as a `Option<Redirection>` field instead of having multiple different
`PipelineElement` enum variants for each kind of redirection. This
required changes to the parser, mainly in `lite_parser.rs`.
- `Command`s can also set a `IoStream` override/redirection which will
apply to the previous command in the pipeline. This is used, for
example, in `ignore` to allow the previous external command to have its
stdout redirected to `Stdio::null()` at spawn time. In contrast, the
current implementation has to create an os pipe and manually consume the
output on nushell's side. File and pipe redirections (`o>`, `e>`, `e>|`,
etc.) have precedence over overrides from commands.
This PR improves piping and IO speed, partially addressing #10763. Using
the `throughput` command from that issue, this PR gives the following
speedup on my setup for the commands below:
| Command | Before (MB/s) | After (MB/s) | Bash (MB/s) |
| --------------------------- | -------------:| ------------:|
-----------:|
| `throughput o> /dev/null` | 1169 | 52938 | 54305 |
| `throughput \| ignore` | 840 | 55438 | N/A |
| `throughput \| null` | Error | 53617 | N/A |
| `throughput \| rg 'x'` | 1165 | 3049 | 3736 |
| `(throughput) \| rg 'x'` | 810 | 3085 | 3815 |
(Numbers above are the median samples for throughput)
This PR also paves the way to refactor our `ExternalStream` handling in
the various commands. For example, this PR already fixes the following
code:
```nushell
^sh -c 'echo -n "hello "; sleep 0; echo "world"' | find "hello world"
```
This returns an empty list on 0.90.1 and returns a highlighted "hello
world" on this PR.
Since the `stdout` and `stderr` `IoStream`s are available to commands
when they are run, then this unlocks the potential for more convenient
behavior. E.g., the `find` command can disable its ansi highlighting if
it detects that the output `IoStream` is not the terminal. Knowing the
output streams will also allow background job output to be redirected
more easily and efficiently.
# User-Facing Changes
- External commands returned from closures will be collected (in most
cases):
```nushell
1..2 | each {|_| nu -c "print a" }
```
This gives `["a", "a"]` on this PR, whereas this used to print "a\na\n"
and then return an empty list.
```nushell
1..2 | each {|_| nu -c "print -e a" }
```
This gives `["", ""]` and prints "a\na\n" to stderr, whereas this used
to return an empty list and print "a\na\n" to stderr.
- Trailing new lines are always trimmed for external commands when
piping into internal commands or collecting it as a value. (Failure to
decode the output as utf-8 will keep the trailing newline for the last
binary value.) In the current nushell version, the following three code
snippets differ only in parenthesis placement, but they all also have
different outputs:
1. `1..2 | each { ^echo a }`
```
a
a
╭────────────╮
│ empty list │
╰────────────╯
```
2. `1..2 | each { (^echo a) }`
```
╭───┬───╮
│ 0 │ a │
│ 1 │ a │
╰───┴───╯
```
3. `1..2 | (each { ^echo a })`
```
╭───┬───╮
│ 0 │ a │
│ │ │
│ 1 │ a │
│ │ │
╰───┴───╯
```
But in this PR, the above snippets will all have the same output:
```
╭───┬───╮
│ 0 │ a │
│ 1 │ a │
╰───┴───╯
```
- All existing flags on `run-external` are now deprecated.
- File redirections now apply to all commands inside a code block:
```nushell
(nu -c "print -e a"; nu -c "print -e b") e> test.out
```
This gives "a\nb\n" in `test.out` and prints nothing. The same result
would happen when printing to stdout and using a `o>` file redirection.
- External command output will (almost) never be ignored, and ignoring
output must be explicit now:
```nushell
(^echo a; ^echo b)
```
This prints "a\nb\n", whereas this used to print only "b\n". This only
applies to external commands; values and internal commands not in return
position will not print anything (e.g., `(echo a; echo b)` still only
prints "b").
- `complete` now always captures stderr (`do` is not necessary).
# After Submitting
The language guide and other documentation will need to be updated.
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# Description
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Because `std::fs::canonicalize` requires the path to exist, this PR
makes it so that when canonicalizing any config file, the
`$nu.default-config-dir/nushell` part is canonicalized first, then
`$nu.default-config-dir/nushell/foo.nu` is canonicalized.
This should also fix the issue @devyn pointed out
[here](https://github.com/nushell/nushell/pull/12118#issuecomment-1989546708)
where a couple of the tests failed if one's `~/.config/nushell` folder
was actually a symlink to a different folder. The tests previously
didn't canonicalize the expected paths.
I was going to make a PR that caches the config directory on startup (as
suggested by fdncred and Ian in Discord), but I can make that part of
this PR if we want to avoid creating unnecessary PRs. I think it
probably makes more sense to separate them though.
# User-Facing Changes
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helps us keep track of breaking changes. -->
# Tests + Formatting
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> ```
-->
# After Submitting
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It turns out that my previous PR,
https://github.com/nushell/nushell/pull/11999, didn't properly
canonicalize `$nu.default-config-dir` in a scenario where
`XDG_CONFIG_HOME` (or the equivalent on each platform) was a symlink. To
remedy that, this PR makes `nu_path::config_dir()` return a
canonicalized path. This probably shouldn't break anything (except maybe
tests relying on the old behavior), since the canonical path will be
equivalent to non-canonical paths.
# User-Facing Changes
A user may get a path with symlinks resolved and `..`s replaced where
they previously didn't. I'm not sure where this would happen, though,
and anyway, the canonical path is probably the "correct" thing to
present to the user. We're using `omnipath` to make the path presentable
to the user on Windows, so there's no danger of someone getting an path
with `\\?` there.
# Tests + Formatting
The tests for config files have been updated to run the binary using the
`Director` so that it has access to the `XDG_CONFIG_HOME`/`HOME`
environment variables to be able to change the config directory.
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>
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# Description
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This PR adds a new evaluator path with callbacks to a mutable trait
object implementing a Debugger trait. The trait object can do anything,
e.g., profiling, code coverage, step debugging. Currently,
entering/leaving a block and a pipeline element is marked with
callbacks, but more callbacks can be added as necessary. Not all
callbacks need to be used by all debuggers; unused ones are simply empty
calls. A simple profiler is implemented as a proof of concept.
The debugging support is implementing by making `eval_xxx()` functions
generic depending on whether we're debugging or not. This has zero
computational overhead, but makes the binary slightly larger (see
benchmarks below). `eval_xxx()` variants called from commands (like
`eval_block_with_early_return()` in `each`) are chosen with a dynamic
dispatch for two reasons: to not grow the binary size due to duplicating
the code of many commands, and for the fact that it isn't possible
because it would make Command trait objects object-unsafe.
In the future, I hope it will be possible to allow plugin callbacks such
that users would be able to implement their profiler plugins instead of
having to recompile Nushell.
[DAP](https://microsoft.github.io/debug-adapter-protocol/) would also be
interesting to explore.
Try `help debug profile`.
## Screenshots
Basic output:
To profile with more granularity, increase the profiler depth (you'll
see that repeated `is-windows` calls take a large chunk of total time,
making it a good candidate for optimizing):
## Benchmarks
### Binary size
Binary size increase vs. main: **+40360 bytes**. _(Both built with
`--release --features=extra,dataframe`.)_
### Time
```nushell
# bench_debug.nu
use std bench
let test = {
1..100
| each {
ls | each {|row| $row.name | str length }
}
| flatten
| math avg
}
print 'debug:'
let res2 = bench { debug profile $test } --pretty
print $res2
```
```nushell
# bench_nodebug.nu
use std bench
let test = {
1..100
| each {
ls | each {|row| $row.name | str length }
}
| flatten
| math avg
}
print 'no debug:'
let res1 = bench { do $test } --pretty
print $res1
```
`cargo run --release -- bench_debug.nu` is consistently 1--2 ms slower
than `cargo run --release -- bench_nodebug.nu` due to the collection
overhead + gathering the report. This is expected. When gathering more
stuff, the overhead is obviously higher.
`cargo run --release -- bench_nodebug.nu` vs. `nu bench_nodebug.nu` I
didn't measure any difference. Both benchmarks report times between 97
and 103 ms randomly, without one being consistently higher than the
other. This suggests that at least in this particular case, when not
running any debugger, there is no runtime overhead.
## API changes
This PR adds a generic parameter to all `eval_xxx` functions that forces
you to specify whether you use the debugger. You can resolve it in two
ways:
* Use a provided helper that will figure it out for you. If you wanted
to use `eval_block(&engine_state, ...)`, call `let eval_block =
get_eval_block(&engine_state); eval_block(&engine_state, ...)`
* If you know you're in an evaluation path that doesn't need debugger
support, call `eval_block::<WithoutDebug>(&engine_state, ...)` (this is
the case of hooks, for example).
I tried to add more explanation in the docstring of `debugger_trait.rs`.
## TODO
- [x] Better profiler output to reduce spam of iterative commands like
`each`
- [x] Resolve `TODO: DEBUG` comments
- [x] Resolve unwraps
- [x] Add doc comments
- [x] Add usage and extra usage for `debug profile`, explaining all
columns
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
Hopefully none.
# Tests + Formatting
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Make sure you've run and fixed any issues with these commands:
- `cargo fmt --all -- --check` to check standard code formatting (`cargo
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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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# Description
This PR introduces [workspaces
dependencies](https://doc.rust-lang.org/cargo/reference/workspaces.html#the-dependencies-table).
The advantages are:
- a single place where dependency versions are declared
- reduces the number of files to change when upgrading a dependency
- reduces the risk of accidentally depending on 2 different versions of
the same dependency
I've only done a few so far. If this PR is accepted, I might continue
and progressively do the rest.
# User-Facing Changes
N/A
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
N/A
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# Description
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This PR makes sure `$nu.default-config-dir` and `$nu.plugin-path` are
canonicalized.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
`$nu.default-config-dir` (and `$nu.plugin-path`) will now give canonical
paths, with symlinks and whatnot resolved.
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I've added a couple of tests to check that even if the config folder
and/or any of the config files within are symlinks, the `$nu.*`
variables are properly canonicalized. These tests unfortunately only run
on Linux and MacOS, because I couldn't figure out how to change the
config directory on Windows. Also, given that they involve creating
files, I'm not sure if they're excessive, so I could remove one or two
of them.
# After Submitting
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# Description
Attempting to complete a directory with hidden files could cause a
variety of issues. When Rust parses the partial path to be completed
into components, it removes the trailing `.` since it interprets this to
mean "the current directory", but in the case of the completer we
actually want to treat the trailling `.` as a literal `.`. This PR fixes
this by adding a `.` back into the Path components if the last character
of the path is a `.` AND the path is longer than 1 character (eg., not
just a ".", since that correctly gets interpreted as Component::CurDir).
Here are some things this fixes:
- Panic when tab completing for hidden files in a directory with hidden
files (ex. `ls test/.`)
- Panic when tab completing a directory with only hidden files (since
the common prefix ends with a `.`, causing the previous issue)
- Mishandling of tab completing hidden files in directory (ex. `ls
~/.<TAB>` lists all files instead of just hidden files)
- Trailing `.` being inexplicably removed when tab completing a
directory without hidden files
While testing for this PR I also noticed there is a similar issue when
completing with `..` (ex. `ls ~/test/..<TAB>`) which is not fixed by
this PR (edit: see #11922).
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
N/A
# Tests + Formatting
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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))
- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library
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Added a hidden-files-within-directories test to the `file_completions`
test.
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# Description
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Currently, there's multiple places that look for a config directory, and
each of them has different error messages when it can't be found. This
PR makes a `ConfigDirNotFound` error to standardize the error message
for all of these cases.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
Previously, the errors in `create_nu_constant()` would say which config
file Nushell was trying to get when it couldn't find the config
directory. Now it doesn't. However, I think that's fine, given that it
doesn't matter whether it couldn't find the config directory while
looking for `login.nu` or `env.nu`, it only matters that it couldn't
find it.
This is what the error looks like:
# Tests + Formatting
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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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---------
Co-authored-by: Antoine Stevan <44101798+amtoine@users.noreply.github.com>
Avoid unnecessary allocations or larger iterator structs
- Turn static `Vec`s into arrays when possible
- Use `std::iter::once`/`empty` where applicable
- Use `bool::then_some` in `detect column` `.chain`
- Drop in the bucket: de-vec-ing tests
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
Currently, `ShellError::FileNotFound` shows the span where the error
occurred but doesn't say which file wasn't found. This PR makes it so
the help includes that (like the `DirectoryNotFound` error).
# User-Facing Changes
No breaking changes, it's just that when a file can't be found, the help
will say which file couldn't be found:
[//]: # (dependabot-start)
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---
[//]: # (dependabot-end)
Bumps [fancy-regex](https://github.com/fancy-regex/fancy-regex) from
0.12.0 to 0.13.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/fancy-regex/fancy-regex/releases">fancy-regex's
releases</a>.</em></p>
<blockquote>
<h2>0.13.0</h2>
<h3>Added</h3>
<ul>
<li>Support for relative backreferences using <code>\k<-1></code>
(-1 references the
previous group) (<a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/121">#121</a>)</li>
<li>Add <code>try_replacen</code> to <code>Regex</code> which returns a
<code>Result</code> instead of panicking
when matching errors (<a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/130">#130</a>)</li>
</ul>
<h3>Changed</h3>
<ul>
<li>Switch from regex crate to regex-automata and regex-syntax (lower
level APIs)
to simplify internals (<a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/121">#121</a>)</li>
<li>Allow escaping some letters in character classes, e.g.
<code>[\A]</code> used to error
but now matches the same as <code>[A]</code> (for compatibility with
Oniguruma)</li>
<li>MSRV (minimum supported Rust version) is now 1.66.1 (from
1.61.0)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Fix index out of bounds panic when parsing unclosed <code>(?(</code>
(<a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/125">#125</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/fancy-regex/fancy-regex/blob/main/CHANGELOG.md">fancy-regex's
changelog</a>.</em></p>
<blockquote>
<h2>[0.13.0] - 2023-12-22</h2>
<h3>Added</h3>
<ul>
<li>Support for relative backreferences using <code>\k<-1></code>
(-1 references the
previous group) (<a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/121">#121</a>)</li>
<li>Add <code>try_replacen</code> to <code>Regex</code> which returns a
<code>Result</code> instead of panicking
when matching errors (<a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/130">#130</a>)</li>
</ul>
<h3>Changed</h3>
<ul>
<li>Switch from regex crate to regex-automata and regex-syntax (lower
level APIs)
to simplify internals (<a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/121">#121</a>)</li>
<li>Allow escaping some letters in character classes, e.g.
<code>[\A]</code> used to error
but now matches the same as <code>[A]</code> (for compatibility with
Oniguruma)</li>
<li>MSRV (minimum supported Rust version) is now 1.66.1 (from
1.61.0)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Fix index out of bounds panic when parsing unclosed <code>(?(</code>
(<a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/125">#125</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="bf2c807447"><code>bf2c807</code></a>
Version 0.13.0</li>
<li><a
href="7b4ad1178d"><code>7b4ad11</code></a>
Merge pull request <a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/129">#129</a>
from fancy-regex/changelog-0.13</li>
<li><a
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Document how to check matching in Oniguruma</li>
<li><a
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Add character class escaping change</li>
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Add try_replacen</li>
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<li><a
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Merge pull request <a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/130">#130</a>
from kevinhu/try_replacen</li>
<li><a
href="55f6549bec"><code>55f6549</code></a>
Add try_replacen</li>
<li><a
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Merge branch 'fancy-regex:main' into main</li>
<li><a
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Merge pull request <a
href="https://redirect.github.com/fancy-regex/fancy-regex/issues/126">#126</a>
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Bumps [miette](https://github.com/zkat/miette) from 7.0.0 to 7.1.0.
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feat(source): derive common traits for NamedSource, SourceSpan, and
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Bumps
[unicode-segmentation](https://github.com/unicode-rs/unicode-segmentation)
from 1.10.1 to 1.11.0.
<details>
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Bump to 1.11.0</li>
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# Description
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Related issue and PR, #11825#11864
This improves the signature of `commandline`.
## Before
`commandline` returns different types depending on the flags and an
aurgument.
| command | input | output | description |
|-----------------------------|---------|---------|----------------------------------------|
| `commandline` | nothing | string | get current cursor line |
| `commandline arg` | nothing | nothing | replace the cursor line with
`arg` |
| `commandline --append arg` | nothing | nothing | append `arg` to the
end of cursor line |
| `commandline --insert arg` | nothing | nothing | insert `arg` to the
position of cursor |
| `commandline --replace arg` | nothing | nothing | replace the cursor
line with `arg` |
| `commandline --cursor` | nothing | int | get current cursor position |
| `commandline --cursor pos` | nothing | nothing | set cursor position
to pos |
| `commandline --cursor-end` | nothing | nothing | set cursor position
to end |
`help commandline` shows that `commandline` accepts string as pipeline
input, but `commandline` ignores pipeline input.
```
Input/output types:
╭───┬─────────┬─────────╮
│ # │ input │ output │
├───┼─────────┼─────────┤
│ 0 │ nothing │ nothing │
│ 1 │ string │ string │
╰───┴─────────┴─────────╯
```
671bd08bcd/crates/nu-cli/src/commands/commandline.rs (L70)
This is misleading.
Due to the change #11864 , typecheck does not work well.
https://github.com/nushell/nushell/pull/11864#discussion_r1491814054
## After
Separate `commandline` into subcommands so that each subcommands returns
the same type for the same input type.
| command | input | output | description |
|----------------------------------|---------|---------|----------------------------------------|
| `commandline` | nothing | string | get current cursor line |
| `commandline edit arg` | nothing | nothing | replace the cursor line
with `arg` |
| `commandline edit --append arg` | nothing | nothing | append `arg` to
the end of cursor line |
| `commandline edit --insert arg` | nothing | nothing | insert `arg` to
the position of cursor |
| `commandline edit --replace arg` | nothing | nothing | replace the
cursor line with `arg` |
| `commandline get-cursor` | nothing | int | get current cursor position
|
| `commandline set-cursor pos` | nothing | nothing | set cursor position
to pos |
| `commandline set-cursor --end` | nothing | nothing | set cursor
position to end |
# User-Facing Changes
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# Description
Following #11851, this PR adds one final conversion function for
`Value`. `Value::coerce_str` takes a `&Value` and converts it to a
`Cow<str>`, creating an owned `String` for types that needed converting.
Otherwise, it returns a borrowed `str` for `String` and `Binary`
`Value`s which avoids a clone/allocation. Where possible, `coerce_str`
and `coerce_into_string` should be used instead of `coerce_string`,
since `coerce_string` always allocates a new `String`.
# 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.
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Fix#11825
# User-Facing Changes
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`commandline --cursor` returns int.
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# Description
Update a few defaults.
1. use_ls_colors_completeions defaults to true.
2. make ide_menu only offer 10 completions at a time with
`max_completion_height = 10` instead of taking the entire screen.
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`ls` and other file completions uses `LS_COLORS`.
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helps us keep track of breaking changes. -->
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---------
Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
# Description
Close: #9673Close: #8277Close: #10944
This pr introduces the following syntax:
1. `e>|`, pipe stderr to next command. Example: `$env.FOO=bar nu
--testbin echo_env_stderr FOO e>| str length`
2. `o+e>|` and `e+o>|`, pipe both stdout and stderr to next command,
example: `$env.FOO=bar nu --testbin echo_env_mixed out-err FOO FOO e+o>|
str length`
Note: it only works for external commands. ~There is no different for
internal commands, that is, the following three commands do the same
things:~ Edit: it raises errors if we want to pipes for internal
commands
```
❯ ls e>| str length
Error: × `e>|` only works with external streams
╭─[entry #1:1:1]
1 │ ls e>| str length
· ─┬─
· ╰── `e>|` only works on external streams
╰────
❯ ls e+o>| str length
Error: × `o+e>|` only works with external streams
╭─[entry #2:1:1]
1 │ ls e+o>| str length
· ──┬──
· ╰── `o+e>|` only works on external streams
╰────
```
This can help us to avoid some strange issues like the following:
`$env.FOO=bar (nu --testbin echo_env_stderr FOO) e>| str length`
Which is hard to understand and hard to explain to users.
# User-Facing Changes
Nan
# Tests + Formatting
To be done
# After Submitting
Maybe update documentation about these syntax.
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# Description
Bump miette from 5.10.0 to 7.0.0
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# Description
Fixes: https://github.com/nushell/nushell/issues/11762
The auto-completion is somehow annoying if a path contains a glob
pattern, let's say if user type `ls` and it auto-completes to <code>ls
`[a] bc.txt`</code>, and user can't list the file because it's backtick
quoted.
This pr is going to fix it.
# User-Facing Changes
### Before
```
❯ | ls
`[a] bc.txt` `a bc`
```
### After
```
❯ | ls
"[a] bc.txt" `a bc`
```
# Tests + Formatting
Done
# After Submitting
NaN
# Description
Bump nushell version to the dev version of 0.90.2
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Merge after https://github.com/nushell/nushell/pull/11786
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See full release notes:
https://github.com/nushell/reedline/releases/tag/v0.29.0
# Description
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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.
the match-text style (https://github.com/nushell/reedline/pull/730) is
now configurable via the config.nu file.
the option ``correct_cursor_pos`` can now also be set in the config.nu
file.
* [Refactor Menu System with Composition of Menu
Functions](https://github.com/nushell/reedline/issues/706)
* Move Description Menu over to Reedline to consolidate location of the
Menus which will simplify further changes and maintenance to the Menu
system going forward
* Removes lots of code duplication in the Menu system on the Reedline
side which should ease a developers ability to develop new cool menus
for Reedline moving forward
# Description
This pr is a follow up to
[#11569](https://github.com/nushell/nushell/pull/11569#issuecomment-1902279587)
> Revert the logic in https://github.com/nushell/nushell/pull/10694 and
apply the logic in this pr to mv, cp, rv will require a larger change, I
need to think how to achieve the bahavior
And sorry @bobhy for reverting some of your changes.
This pr is going to unify glob behavior on the given commands:
* open
* rm
* cp-old
* mv
* umv
* cp
* du
So they have the same behavior to `ls`, which is:
If given parameter is quoted by single quote(`'`) or double quote(`"`),
don't auto-expand the glob pattern. If not quoted, auto-expand the glob
pattern.
Fixes: #9558Fixes: #10211Fixes: #9310Fixes: #10364
# TODO
But there is one thing remains: if we give a variable to the command, it
will always auto-expand the glob pattern, e.g:
```nushell
let path = "a[123]b"
rm $path
```
I don't think it's expected. But I also think user might want to
auto-expand the glob pattern in variables.
So I'll introduce a new command called `glob escape`, then if user
doesn't want to auto-expand the glob pattern, he can just do this: `rm
($path | glob escape)`
# User-Facing Changes
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# Tests + Formatting
Done
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## NOTE
This pr changes the semantic of `GlobPattern`, before this pr, it will
`expand path` after evaluated, this makes `nu_engine::glob_from` have no
chance to glob things right if a path contains glob pattern.
e.g: [#9310
](https://github.com/nushell/nushell/issues/9310#issuecomment-1886824030)
#10211
I think changing the semantic is fine, because it makes glob works if
path contains something like '*'.
It maybe a breaking change if a custom command's argument are annotated
by `: glob`.
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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)
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# Description
When resolving external commands, the current `PATH` was not taken into
account.
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For fixing #11599
# Description
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Turns out I didn't properly test the description menu in #11488,
apologies for that. It turns out that `NuHelpCompleter`, which provides
completions for the description/help menu, was treating the position it
was given as the start of the line rather than the start. Flipping that
appears to fix the issue.
I missed not only `NuHelpCompleter` but also `NuMenuCompleter` in my
previous PR. If the menu's source is a closure and it doesn't return a
record with the start and end, then `pos` is again treated as the start,
so I've changed that too. External completers shouldn't need changing.
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- [X] Test description menu
- [X] Test menu sources that return records that don't have `start` and
`end`
- [ ] <s>Test external completers if any changes have to be made
there</s> No changes needed, it looks like
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# Description
Fixes: #11455
### For arguments which is annotated with `:path/:directory/:glob`
To fix the issue, we need to have a way to know if a path is originally
quoted during runtime. So the information needed to be added at several
levels:
* parse time (from user input to expression)
We need to add quoted information into `Expr::Filepath`,
`Expr::Directory`, `Expr::GlobPattern`
* eval time
When convert from `Expr::Filepath`, `Expr::Directory`,
`Expr::GlobPattern` to `Value::String` during runtime, we won't auto
expanded the path if it's quoted
### For `ls`
It's really special, because it accepts a `String` as a pattern, and it
generates `glob` expression inside the command itself.
So the idea behind the change is introducing a special SyntaxShape to
ls: `SyntaxShape::LsGlobPattern`. So we can track if the pattern is
originally quoted easier, and we don't auto expand the path either.
Then when constructing a glob pattern inside ls, we check if input
pattern is quoted, if so: we escape the input pattern, so we can run `ls
a[123]b`, because it's already escaped.
Finally, to accomplish the checking process, we also need to introduce a
new value type called `Value::QuotedString` to differ from
`Value::String`, it's used to generate an enum called `NuPath`, which is
finally used in `ls` function. `ls` learned from `NuPath` to know if
user input is quoted.
# User-Facing Changes
Actually it contains several changes
### For arguments which is annotated with `:path/:directory/:glob`
#### Before
```nushell
> def foo [p: path] { echo $p }; print (foo "~/a"); print (foo '~/a')
/home/windsoilder/a
/home/windsoilder/a
> def foo [p: directory] { echo $p }; print (foo "~/a"); print (foo '~/a')
/home/windsoilder/a
/home/windsoilder/a
> def foo [p: glob] { echo $p }; print (foo "~/a"); print (foo '~/a')
/home/windsoilder/a
/home/windsoilder/a
```
#### After
```nushell
> def foo [p: path] { echo $p }; print (foo "~/a"); print (foo '~/a')
~/a
~/a
> def foo [p: directory] { echo $p }; print (foo "~/a"); print (foo '~/a')
~/a
~/a
> def foo [p: glob] { echo $p }; print (foo "~/a"); print (foo '~/a')
~/a
~/a
```
### For ls command
`touch '[uwu]'`
#### Before
```
❯ ls -D "[uwu]"
Error: × No matches found for [uwu]
╭─[entry #6:1:1]
1 │ ls -D "[uwu]"
· ───┬───
· ╰── Pattern, file or folder not found
╰────
help: no matches found
```
#### After
```
❯ ls -D "[uwu]"
╭───┬───────┬──────┬──────┬──────────╮
│ # │ name │ type │ size │ modified │
├───┼───────┼──────┼──────┼──────────┤
│ 0 │ [uwu] │ file │ 0 B │ now │
╰───┴───────┴──────┴──────┴──────────╯
```
# Tests + Formatting
Done
# After Submitting
NaN
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Adds an IDE-Style completion menu
# User-Facing Changes
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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`).
# Description
1. Make table to be a subtype of `list<any>`, so some input_output_types
of filter commands are unnecessary
2. Change some commands which accept an input type, but generates
different output types. In this case, delete duplicate entry, and change
relative output type to `<any>`
Yeah it makes some commands more permissive, but I think it's better to
run into strange issue that why my script runs to failed during parse
time.
Fixes #11193
# User-Facing Changes
NaN
# Tests + Formatting
NaN
# After Submitting
NaN
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>
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In `commandline --cursor-end`, set `repl.cursor_pos` to the number of
bytes in the buffer, not the number of graphemes.
fixes: #11503
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- [x] reedline
- [x] released
- [x] pinned
- [ ] git dependency check
- [ ] release notes
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See full release notes:
[nushell/reedline@v0.28.0
(release)](https://github.com/nushell/reedline/releases/tag/v0.28.0)
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This reverts #10898 which breaks external completion.
Not having file completion fallback on empty result is **intentional**
as this indicates that there is nothing to complete at this position.
To have nushell fallback to file completion the external completer can
simply return *nothing*.
`NO RECORDS FOUND`:
```nushell
let external_completer = {|spans|
[]
}
```
Fallback to file completion:
```nushell
let external_completer = {|spans|
}
```
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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))
- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library
> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->
# After Submitting
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Finishes implementing https://github.com/nushell/nushell/issues/10598,
which asks for a spread operator in lists, in records, and when calling
commands.
# Description
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Description of your pull request goes here. **Provide examples and/or
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This PR will allow spreading arguments to commands (both internal and
external). It will also deprecate spreading arguments automatically when
passing to external commands.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
- Users will be able to use `...` to spread arguments to custom/builtin
commands that have rest parameters or allow unknown arguments, or to any
external command
- If a custom command doesn't have a rest parameter and it doesn't allow
unknown arguments either, the spread operator will not be allowed
- Passing lists to external commands without `...` will work for now but
will cause a deprecation warning saying that it'll stop working in 0.91
(is 2 versions enough time?)
Here's a function to help with demonstrating some behavior:
```nushell
> def foo [ a, b, c?, d?, ...rest ] { [$a $b $c $d $rest] | to nuon }
```
You can pass a list of arguments to fill in the `rest` parameter using
`...`:
```nushell
> foo 1 2 3 4 ...[5 6]
[1, 2, 3, 4, [5, 6]]
```
If you don't use `...`, the list `[5 6]` will be treated as a single
argument:
```nushell
> foo 1 2 3 4 [5 6] # Note the double [[]]
[1, 2, 3, 4, [[5, 6]]]
```
You can omit optional parameters before the spread arguments:
```nushell
> foo 1 2 3 ...[4 5] # d is omitted here
[1, 2, 3, null, [4, 5]]
```
If you have multiple lists, you can spread them all:
```nushell
> foo 1 2 3 ...[4 5] 6 7 ...[8] ...[]
[1, 2, 3, null, [4, 5, 6, 7, 8]]
```
Here's the kind of error you get when you try to spread arguments to a
command with no rest parameter:
And this is the warning you get when you pass a list to an external now
(without `...`):
# Tests + Formatting
<!--
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Make sure you've run and fixed any issues with these commands:
- `cargo fmt --all -- --check` to check standard code formatting (`cargo
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- `cargo 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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> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->
Added tests to cover the following cases:
- Spreading arguments to a command that doesn't have a rest parameter
(unexpected spread argument error)
- Spreading arguments to a command that doesn't have a rest parameter
*but* there's also a missing positional argument (missing positional
error)
- Spreading arguments to a command that doesn't have a rest parameter
but does allow unknown arguments, such as `exec` (allowed)
- Spreading a list literal containing arguments of the wrong type (parse
error)
- Spreading a non-list value, both to internal and external commands
- Having named arguments in the middle of rest arguments
- `explain`ing a command call that spreads its arguments
# After Submitting
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documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
# Examples
Suppose you have multiple tables:
```nushell
let people = [[id name age]; [0 alice 100] [1 bob 200] [2 eve 300]]
let evil_twins = [[id name age]; [0 ecila 100] [-1 bob 200] [-2 eve 300]]
```
Maybe you often find yourself needing to merge multiple tables and want
a utility to do that. You could write a function like this:
```nushell
def merge_all [ ...tables ] { $tables | reduce { |it, acc| $acc | merge $it } }
```
Then you can use it like this:
```nushell
> merge_all ...([$people $evil_twins] | each { |$it| $it | select name age })
╭───┬───────┬─────╮
│ # │ name │ age │
├───┼───────┼─────┤
│ 0 │ ecila │ 100 │
│ 1 │ bob │ 200 │
│ 2 │ eve │ 300 │
╰───┴───────┴─────╯
```
Except they had duplicate columns, so now you first want to suffix every
column with a number to tell you which table the column came from. You
can make a command for that:
```nushell
def select_and_merge [ --cols: list<string>, ...tables ] {
let renamed_tables = $tables
| enumerate
| each { |it|
$it.item | select $cols | rename ...($cols | each { |col| $col + ($it.index | into string) })
};
merge_all ...$renamed_tables
}
```
And call it like this:
```nushell
> select_and_merge --cols [name age] $people $evil_twins
╭───┬───────┬──────┬───────┬──────╮
│ # │ name0 │ age0 │ name1 │ age1 │
├───┼───────┼──────┼───────┼──────┤
│ 0 │ alice │ 100 │ ecila │ 100 │
│ 1 │ bob │ 200 │ bob │ 200 │
│ 2 │ eve │ 300 │ eve │ 300 │
╰───┴───────┴──────┴───────┴──────╯
```
---
Suppose someone's made a command to search for APT packages:
```nushell
# The main command
def search-pkgs [
--install # Whether to install any packages it finds
log_level: int # Pretend it's a good idea to make this a required positional parameter
exclude?: list<string> # Packages to exclude
repositories?: list<string> # Which repositories to look in (searches in all if not given)
...pkgs # Package names to search for
] {
{ install: $install, log_level: $log_level, exclude: ($exclude | to nuon), repositories: ($repositories | to nuon), pkgs: ($pkgs | to nuon) }
}
```
It has a lot of parameters to configure it, so you might make your own
helper commands to wrap around it for specific cases. Here's one
example:
```nushell
# Only look for packages locally
def search-pkgs-local [
--install # Whether to install any packages it finds
log_level: int
exclude?: list<string> # Packages to exclude
...pkgs # Package names to search for
] {
# All required and optional positional parameters are given
search-pkgs --install=$install $log_level [] ["<local URI or something>"] ...$pkgs
}
```
And you can run it like this:
```nushell
> search-pkgs-local --install=false 5 ...["python2.7" "vim"]
╭──────────────┬──────────────────────────────╮
│ install │ false │
│ log_level │ 5 │
│ exclude │ [] │
│ repositories │ ["<local URI or something>"] │
│ pkgs │ ["python2.7", vim] │
╰──────────────┴──────────────────────────────╯
```
One thing I realized when writing this was that if we decide to not
allow passing optional arguments using the spread operator, then you can
(mis?)use the spread operator to skip optional parameters. Here, I
didn't want to give `exclude` explicitly, so I used a spread operator to
pass the packages to install. Without it, I would've needed to do
`search-pkgs-local --install=false 5 [] "python2.7" "vim"` (explicitly
pass `[]` (or `null`, in the general case) to `exclude`). There are
probably more idiomatic ways to do this, but I just thought it was
something interesting.
If you're a virologist of the [xkcd](https://xkcd.com/350/) kind,
another helper command you might make is this:
```nushell
# Install any packages it finds
def live-dangerously [ ...pkgs ] {
# One optional argument was given (exclude), while another was not (repositories)
search-pkgs 0 [] ...$pkgs --install # Flags can go after spread arguments
}
```
Running it:
```nushell
> live-dangerously "git" "*vi*" # *vi* because I don't feel like typing out vim and neovim
╭──────────────┬─────────────╮
│ install │ true │
│ log_level │ 0 │
│ exclude │ [] │
│ repositories │ null │
│ pkgs │ [git, *vi*] │
╰──────────────┴─────────────╯
```
Here's an example that uses the spread operator more than once within
the same command call:
```nushell
let extras = [ chrome firefox python java git ]
def search-pkgs-curated [ ...pkgs ] {
(search-pkgs
1
[emacs]
["example.com", "foo.com"]
vim # A must for everyone!
...($pkgs | filter { |p| not ($p | str contains "*") }) # Remove packages with globs
python # Good tool to have
...$extras
--install=false
python3) # I forget, did I already put Python in extras?
}
```
Running it:
```nushell
> search-pkgs-curated "git" "*vi*"
╭──────────────┬───────────────────────────────────────────────────────────────────╮
│ install │ false │
│ log_level │ 1 │
│ exclude │ [emacs] │
│ repositories │ [example.com, foo.com] │
│ pkgs │ [vim, git, python, chrome, firefox, python, java, git, "python3"] │
╰──────────────┴───────────────────────────────────────────────────────────────────╯
```
Fixes#11396
# Description
<!--
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guide](../CONTRIBUTING.md) and talk to the core team before making major
changes.
Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.
-->
If a directory name is an exact match, the completer stops greedily
matching directories with the same prefix.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
Completions should work as described in #11396.
# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.
Make sure you've run and fixed any issues with these commands:
- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
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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))
- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library
> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->
# After Submitting
<!-- 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
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.
# Description
While #11057 is merged, it's hard to tell the difference between
`--flag: bool` and `--flag`, and it makes user hard to read custom
commands' signature, and hard to use them correctly.
After discussion, I think we can deprecate `--flag: bool` usage, and
encourage using `--flag` instead.
# User-Facing Changes
The following code will raise warning message, but don't stop from
running.
```nushell
❯ def florb [--dry-run: bool, --another-flag] { "aaa" }; florb
Error: × Deprecated: --flag: bool
╭─[entry #7:1:1]
1 │ def florb [--dry-run: bool, --another-flag] { "aaa" }; florb
· ──┬─
· ╰── `--flag: bool` is deprecated. Please use `--flag` instead, more info: https://www.nushell.sh/book/custom_commands.html
╰────
aaa
```
cc @kubouch
# Tests + Formatting
Done
# After Submitting
- [ ] Add more information under
https://www.nushell.sh/book/custom_commands.html to indicate `--dry-run:
bool` is not allowed,
- [ ] remove `: bool` from custom commands between 0.89 and 0.90
---------
Co-authored-by: Antoine Stevan <44101798+amtoine@users.noreply.github.com>
# Description
Following from #11356, it looks like `Expr::MatchPattern` is no longer
used in any way. This PR removes `Expr::MatchPattern` alongside
`Type::MatchPattern` and `SyntaxShape::MatchPattern`.
# User-Facing Changes
Breaking API change for `nu_protocol`.
# Description
this PR is two-fold
- make `use` and `overlay use` use the same completion algorithm in
48f29b633
- list directory modules in completions of both with 402acde5c
# User-Facing Changes
i currently have the following in my `NU_LIB_DIRS`
<details>
<summary>click to see the script</summary>
```nushell
for dir in $env.NU_LIB_DIRS {
print $dir
print (ls $dir --short-names | select name type)
}
```
</details>
```
/home/amtoine/.local/share/nupm/modules
#┬────────name────────┬type
0│nu-git-manager │dir
1│nu-git-manager-sugar│dir
2│nu-hooks │dir
3│nu-scripts │dir
4│nu-themes │dir
5│nupm │dir
─┴────────────────────┴────
/home/amtoine/.config/nushell/overlays
#┬──name──┬type
0│ocaml.nu│file
─┴────────┴────
```
> **Note**
> all the samples below are run from the Nushell repo, i.e. a directory
with a `toolkit.nu` module
## before the changes
- `use` would give me `["ocaml.nu", "toolkit.nu"]`
- `overlay use` would give me `[]`
## after the changes
both commands give me
```nushell
[
"nupm/",
"ocaml.nu",
"toolkit.nu",
"nu-scripts/",
"nu-git-manager/",
"nu-git-manager-sugar/",
]
```
# Tests + Formatting
- adds a new `directory_completion/mod.nu` to the completion fixtures
- make sure `source-env`, `use` and `overlay-use` are all tested in the
_dotnu_ test
- fix all the other tests that use completions in the fixtures directory
for completions
# After Submitting
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- this PR should close #xxxx
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# Description
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This PR is basically a copy of #10986 by @CAD97, which made
`$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
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
When hitting enter, the prompt shouldn't blink in place anymore.
# 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))
- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library
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> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->
# After Submitting
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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
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
None user facing changes other than that prompt markers are working
# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.
Make sure you've run and fixed any issues with these commands:
- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
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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))
- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library
> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->
# After Submitting
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# Description
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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
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
`$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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# 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
Since there are plans to add more history commands, it seems sensible to
put them into their own module and category
https://github.com/nushell/nushell/pull/10440#issuecomment-1731408785
# User-Facing Changes
The history commands are in the category "History" rather than "Misc"
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# Description
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# User-Facing Changes
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# Tests + Formatting
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# After Submitting
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# 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)
closes#11059
# Description
I'm not sure what the consensus was after discussing this in discord, so
I'm creating a PR as suggested
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
TBD
# Tests + Formatting
TBD
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crates/nu-std"` to run the tests for the standard library
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> ```
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# After Submitting
TBD
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Goes towards implementing #10598, which asks for a spread operator in
lists, in records, and when calling commands (continuation of #11006,
which only implements it in lists)
# Description
This PR is for adding a spread operator that can be used when building
records. Additional functionality can be added later.
Changes:
- Previously, the `Expr::Record` variant held `(Expression, Expression)`
pairs. It now holds instances of an enum `RecordItem` (the name isn't
amazing) that allows either a key-value mapping or a spread operator.
- `...` will be treated as the spread operator when it appears before
`$`, `{`, or `(` inside records (no whitespace allowed in between) (not
implemented yet)
- The error message for duplicate columns now includes the column name
itself, because if two spread records are involved in such an error, you
can't tell which field was duplicated from the spans alone
`...` will still be treated as a normal string outside records, and even
in records, it is not treated as a spread operator when not followed
immediately by a `$`, `{`, or `(`.
# User-Facing Changes
Users will be able to use `...` when building records.
```
> let rec = { x: 1, ...{ a: 2 } }
> $rec
╭───┬───╮
│ x │ 1 │
│ a │ 2 │
╰───┴───╯
> { foo: bar, ...$rec, baz: blah }
╭─────┬──────╮
│ foo │ bar │
│ x │ 1 │
│ a │ 2 │
│ baz │ blah │
╰─────┴──────╯
```
If you want to update a field of a record, you'll have to use `merge`
instead:
```
> { ...$rec, x: 5 }
Error: nu:🐚:column_defined_twice
× Record field or table column used twice: x
╭─[entry #2:1:1]
1 │ { ...$rec, x: 5 }
· ──┬─ ┬
· │ ╰── field redefined here
· ╰── field first defined here
╰────
> $rec | merge { x: 5 }
╭───┬───╮
│ x │ 5 │
│ a │ 2 │
╰───┴───╯
```
# Tests + Formatting
# After Submitting
# 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
# Description
Close: #10278
This pr introduces `o>>`, `e>>`, `o+e>>` to allow redirection to append
to a file.
Examples:
```nushell
echo abc o>> a.txt
echo abc o>> a.txt
cat asdf e>> a.txt
cat asdf e>> a.txt
cat asdf o+e>> a.txt
```
~~TODO:~~
~~1. currently internal commands with `o+e>` redirect to a variable is
broken: `let x = "a.txt"; echo abc o+e> $x`, not sure when it was
introduced...~~
~~2. redirect stdout and stderr with append mode doesn't supported yet:
`cat asdf o>>a.txt e>>b.ext`~~
~~For these 2 items, I'd like to fix them in different prs.~~
Already done in this pr
# Description
This PR enables a new feature that shows which externals are found in
your path via the syntax highlighter as you type.
This idea could use some improvement where it caches the items in your
path and on some trigger, expires that cache and creates a new on. Right
now, all it does is call the `which` crate on every character you type.
This could be problematic if you have hundreds of paths in your PATH or
if some of your paths in your Path point to extraordinarily slow file
systems. WSL pointing to Windows comes to mind. Either way, I've thrown
it up here for people to try and provide feedback. I think the novelty
of showing what is valid and what isn't is pretty cool. I believe
fish-shell also does this, IIRC.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
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# Tests + Formatting
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crates/nu-std"` to run the tests for the standard library
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> ```
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# After Submitting
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