Currently errors just create empty entries inside of resulting
dataframes.
This changeset is meant to help debug #12004, though generally speaking
I do think it's worth having ways to make errors be visible in this kind
of pipeline be visible
An example of what this looks like
<img width="954" alt="image"
src="https://github.com/nushell/nushell/assets/1408472/2c3c9167-2aaf-4f87-bab5-e8302d7a1170">
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
I found a bunch of issues relating to the specialized reimplementation
of `print()` that's done in `nu-cli` and it just didn't seem necessary.
So I tried to unify the behavior reasonably. `PipelineData::print()`
already handles the call to `table` and it even has a `no_newline`
option.
One of the most major issues before was that we were using the value
iterator, and then converting to string, and then printing each with
newlines. This doesn't work well for an external stream, because its
iterator ends up creating `Value::binary()` with each buffer... so we
were doing lossy UTF-8 conversion on those and then printing them with
newlines, which was very weird:
You can see the random newline inserted in a break between buffers, but
this would be even worse if it were on a multibyte UTF-8 character. You
can produce this by writing a large amount of text to a text file, and
then doing `nu -c 'open file.txt'` - in my case I just wrote `^find .`;
it just has to be large enough to trigger a buffer break.
Using `print()` instead led to a new issue though, because it doesn't
abort on errors. This is so that certain commands can produce a stream
of errors and have those all printed. There are tests for e.g. `rm` that
depend on this behavior. I assume we want to keep that, so instead I
made my target `BufferedReader`, and had that fuse closed if an error
was encountered. I can't imagine we want to keep reading from a wrapped
I/O stream if an error occurs; more often than not the error isn't going
to magically resolve itself, it's not going to be a different error each
time, and it's just going to lead to an infinite stream of the same
error.
The test that broke without that was `open . | lines`, because `lines`
doesn't fuse closed on error. But I don't know if it's expected or not
for it to do that, so I didn't target that.
I think this PR makes things better but I'll keep looking for ways to
improve on how errors and streams interact, especially trying to
eliminate cases where infinite error loops can happen.
# User-Facing Changes
- **Breaking**: `BufferedReader` changes + no more public fields
- A raw I/O stream from e.g. `open` won't produce infinite errors
anymore, but I consider that to be a plus
- the implicit `print` on script output is the same as the normal one
now
# Tests + Formatting
Everything passes but I didn't add anything specific.
# Description
Continuing from #12568, this PR further reduces the size of `Expr` from
64 to 40 bytes. It also reduces `Expression` from 128 to 96 bytes and
`Type` from 32 to 24 bytes.
This was accomplished by:
- for `Expr` with multiple fields (e.g., `Expr::Thing(A, B, C)`),
merging the fields into new AST struct types and then boxing this struct
(e.g. `Expr::Thing(Box<ABC>)`).
- replacing `Vec<T>` with `Box<[T]>` in multiple places. `Expr`s and
`Expression`s should rarely be mutated, if at all, so this optimization
makes sense.
By reducing the size of these types, I didn't notice a large performance
improvement (at least compared to #12568). But this PR does reduce the
memory usage of nushell. My config is somewhat light so I only noticed a
difference of 1.4MiB (38.9MiB vs 37.5MiB).
---------
Co-authored-by: Stefan Holderbach <sholderbach@users.noreply.github.com>
# Description
This adds an extension trait to `Result` that wraps errors in `Spanned`,
saving the effort of calling `.map_err(|err| err.into_spanned(span))`
every time. This will hopefully make it even more likely that someone
will want to use a spanned `io::Error` and make it easier to remove the
impl for `From<io::Error> for ShellError` because that doesn't have span
information.
# Description
Adds two new types in `nu-engine` for evaluating closures: `ClosureEval`
and `ClosureEvalOnce`. This removed some duplicate code and centralizes
our logic for setting up, running, and cleaning up closures. For
example, in the future if we are able to reduce the cloning necessary to
run a closure, then we only have to change the code related to these
types.
`ClosureEval` and `ClosureEvalOnce` are designed with a builder API.
`ClosureEval` is used to run a closure multiple times whereas
`ClosureEvalOnce` is used for a one-shot closure.
# User-Facing Changes
Should be none, unless I messed up one of the command migrations.
Actually, this will fix any unreported environment bugs for commands
that didn't reset the env after running a closure.
# Description
When saving to a file we currently try to check if the data source in
the pipeline metadata is the same as the file we are saving to. If so,
we create an error, since reading and writing to a file at the same time
is currently not supported/handled gracefully. However, there are still
a few instances where this error is not properly triggered, and so this
PR attempts to reduce these cases. Inspired by #12599.
# Tests + Formatting
Added a few tests.
# After Submitting
Some commands still do not properly preserve metadata (e.g., `str trim`)
and so prevent us from detecting this error.
# Description
Close: #12147Close: #11796
About the change: it make pattern handling into a function:
`ls_for_one_pattern`(for ls), `du_for_one_pattern`(for du). Then
iterates on user input pattern, call these core function, and chaining
these iterator to one pipelinedata.
# Description
I spent a while trying to come up with a good name for what is currently
`IoStream`. Looking back, this name is not the best, because it:
1. Implies that it is a stream, when it all it really does is specify
the output destination for a stream/pipeline.
2. Implies that it handles input and output, when it really only handles
output.
So, this PR renames `IoStream` to `OutDest` instead, which should be
more clear.
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# Description
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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.
# User-Facing Changes
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# Tests + Formatting
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> **Note**
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automatically
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# After Submitting
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fixes#12361
Looking at the condition, `TRASH_SUPPORTED && (trash || (rm_always_trash
&& !permanent))`, this code path seems only to run when `--trash` is
enabled and `--permanent` is disabled.
This suggests that the `--trash` suggestion is a mistake and should have
suggested `--permanent`.
# Description
This fixes#12391.
nushell/nushell@87c5f6e455 accidentally introduced a bug where the path
was not being properly
expanded according to the cwd. This makes both 'touch' and 'mkdir' use
globs just like the rest of
the commands to preserve tilde behavior while still expanding the paths
properly.
This doesn't actually expand the globs. Should it?
# User-Facing Changes
- Restore behavior of `mkdir`, `touch`
- Help text now says they can take globs, but they won't actually expand
them, maybe this should be changed
# Tests + Formatting
Regression tests added.
# After Submitting
This is severe enough and should be included in the point release.
# Description
Fixes how the directory permissions are calculated in `mkdir`. Instead
of subtraction, the umask is actually used as a mask via negation
followed by bitwise and with the default mode. This matches how [uucore
calculates](cac7155fba/src/uu/mkdir/src/mkdir.rs (L61))
the mode.
# Description
Where possible, this PR replaces usages of raw `libc` bindings to
instead use safe interfaces from the `nix` crate. Where not possible,
the `libc` version reexported through `nix` was used instead of having a
separate `libc` dependency.
# 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
Cleanup search terms and help usage to be consistent and include
coreutils so people can easily find out which commands are coreutils.
or
```nushell
help commands | where usage =~ coreutils | reject params input_output
```
# 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
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# Description
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With this change, `mkdir` mirrors coreutils works. Closes#12161
I referred to the implementation of `mkdir` in uutils/coreutils. I add
`uucore` required for implementation to dependencies. Since `uucore` is
already included in dependencies of `uu_mkdir`, I don't think there will
be any additional dependencies.
# User-Facing Changes
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helps us keep track of breaking changes. -->
- Directories are created according to `umask` except for Windows.
# Tests + Formatting
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crates/nu-std"` to run the tests for the standard library
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I add `mkdir` test considering permissions. The test assumes that the
default `umask` is `022`.
# After Submitting
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# 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.
# Description
Fixes some ignored clippy lints.
# User-Facing Changes
Changes some signatures and return types to `&dyn Command` instead of
`&Box<dyn Command`, but I believe this is only an internal change.
# Description
Fixes: #12054
It's cause by nu always add `/*` if there is a parameter in ls, then `ls
""` becomes `ls "/*"`. This pr tries to fix it by only append `/`
character if pattern is not empty.
# User-Facing Changes
NaN
# Tests + Formatting
Done
# After Submitting
NaN
---------
Co-authored-by: Stefan Holderbach <sholderbach@users.noreply.github.com>
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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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> ```
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# After Submitting
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# Description
This PR fixes a globbing bug in the `du` command. The problem was that
`--exclude` needed to be a `NuGlob` instead of a `String`. A variety of
ways were tried to fix this, including spread operators and `into glob`
but none of them worked. Here's the [Discord
Conversation](https://discord.com/channels/601130461678272522/1214950311207243796/1214950311207243796)
that documents the attempts.
### Before
```nushell
❯ du $env.PWD -x crates/**
Error: nu:🐚:cant_convert
× Can't convert to string.
╭─[entry #1:1:16]
1 │ du $env.PWD -x crates/**
· ────┬────
· ╰── can't convert glob to string
╰────
```
### After
```nushell
❯ du $env.PWD -x crates/**
╭─#─┬────path────┬apparent─┬physical─┬───directories───┬files╮
│ 0 │ D:\nushell │ 55.6 MB │ 55.6 MB │ [table 17 rows] │ │
╰───┴────────────┴─────────┴─────────┴─────────────────┴─────╯
```
# Description
Replace panics with errors in thread spawning.
Also adds `IntoSpanned` trait for easily constructing `Spanned`, and an
implementation of `From<Spanned<std::io::Error>>` for `ShellError`,
which is used to provide context for the error wherever there was a span
conveniently available. In general this should make it more convenient
to do the right thing with `std::io::Error` and always add a span to it
when it's possible to do so.
# User-Facing Changes
Fewer panics!
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
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# Description
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Fixes#12020
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
# Tests + Formatting
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sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
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crates/nu-std"` to run the tests for the standard library
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# After Submitting
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Based off of #11760 to be mergable without conflicts.
# Description
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Fix for #11757.
The main issue in #11757 is I tried to copy the timestamp from one
directory to another only to realize that did not work whereas the
coreutils `^touch` had no problems. I thought `--reference` just did not
work, but apparently the whole `touch` command could not work on
directories because
`OpenOptions::new().write(true).create(true).open(&item)` tries to
create `touch`'s target in advance and then modify its timestamps. But
if the target is a directory that already exists then this would fail
even though the crate used for working with timestamps, `filetime`,
already works on directories.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
I don't believe this should change any existing valid behaviors. It just
changes a non-working behavior.
# Tests + Formatting
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crates/nu-std"` to run the tests for the standard library
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~~I only could not run `cargo test` because I get compilation errors on
the latest main branch~~
All tests pass with `cargo test --features=sqlite`
# After Submitting
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# Description
This PR removes our old nushell `mv` command in favor of the
uutils/coreutils `uu_mv` crate's `mv` command which we integrated in
0.90.1.
# User-Facing Changes
# Tests + Formatting
# After Submitting
# Description
As title, currently on latest main, nushell confused user if it allows
implicit casting between glob and string:
```nushell
let x = "*.txt"
def glob-test [g: glob] { open $g }
glob-test $x
```
It always expand the glob although `$x` is defined as a string.
This pr implements a solution from @kubouch :
> We could make it really strict and disallow all autocasting between
globs and strings because that's what's causing the "magic" confusion.
Then, modify all builtins that accept globs to accept oneof(glob,
string) and the rules would be that globs always expand and strings
never expand
# User-Facing Changes
After this pr, user needs to use `into glob` to invoke `glob-test`, if
user pass a string variable:
```nushell
let x = "*.txt"
def glob-test [g: glob] { open $g }
glob-test ($x | into glob)
```
Or else nushell will return an error.
```
3 │ glob-test $x
· ─┬
· ╰── can't convert string to glob
```
# Tests + Formatting
Done
# After Submitting
Nan
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# Description
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`umkdir` was added in #10785, I think it's time to replace the default
one.
# After Submitting
Remove the old `mkdir` command and making coreutils' `umkdir` as the
default
The following clippy lint on nightly would complain:
- https://rust-lang.github.io/rust-clippy/master/#/suspicious_open
We don't want to alter the content in `touch` or truncate by not
writing. While not fully applicable, may be good practice for
platforms/filesystems we are not aware of.
# Description
This is a follow up to
https://github.com/nushell/nushell/pull/11621#issuecomment-1937484322
Also Fixes: #11838
## About the code change
It applys the same logic when we pass variables to external commands:
0487e9ffcb/crates/nu-command/src/system/run_external.rs (L162-L170)
That is: if user input dynamic things(like variables, sub-expression, or
string interpolation), it returns a quoted `NuPath`, then user input
won't be globbed
# User-Facing Changes
Given two input files: `a*c.txt`, `abc.txt`
* `let f = "a*c.txt"; rm $f` will remove one file: `a*c.txt`.
~* `let f = "a*c.txt"; rm --glob $f` will remove `a*c.txt` and
`abc.txt`~
* `let f: glob = "a*c.txt"; rm $f` will remove `a*c.txt` and `abc.txt`
## Rules about globbing with *variable*
Given two files: `a*c.txt`, `abc.txt`
| Cmd Type | example | Result |
| ----- | ------------------ | ------ |
| builtin | let f = "a*c.txt"; rm $f | remove `a*c.txt` |
| builtin | let f: glob = "a*c.txt"; rm $f | remove `a*c.txt` and
`abc.txt`
| builtin | let f = "a*c.txt"; rm ($f \| into glob) | remove `a*c.txt`
and `abc.txt`
| custom | def crm [f: glob] { rm $f }; let f = "a*c.txt"; crm $f |
remove `a*c.txt` and `abc.txt`
| custom | def crm [f: glob] { rm ($f \| into string) }; let f =
"a*c.txt"; crm $f | remove `a*c.txt`
| custom | def crm [f: string] { rm $f }; let f = "a*c.txt"; crm $f |
remove `a*c.txt`
| custom | def crm [f: string] { rm $f }; let f = "a*c.txt"; crm ($f \|
into glob) | remove `a*c.txt` and `abc.txt`
In general, if a variable is annotated with `glob` type, nushell will
expand glob pattern. Or else, we need to use `into | glob` to expand
glob pattern
# Tests + Formatting
Done
# After Submitting
I think `str glob-escape` command will be no-longer required. We can
remove it.
# 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:
# Description
nushell is verified to work on FreeBSD 14 with these patches.
What isn't supported on FreeBSD:
* the crate 'procfs' doesn't support FreeBSD yet, all functionality
depending on procfs is disabled
* several RLIMIT_* values aren't supported on FreeBSD - functions
related to these are disabled
# User-Facing Changes
n/a
# Tests + Formatting
n/a
# After Submitting
n/a
---------
Co-authored-by: sholderbach <sholderbach@users.noreply.github.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.
# Description
Fixes (most of) #11796. Some filesystem commands have a required
positional argument which hinders spreading rest args. This PR removes
the required positional arg from `rm`, `open`, and `touch` to be
consistent with other filesystem commands that already only have a
single rest arg (`mkdir` and `cp`).
# User-Facing Changes
`rm`, `open`, and `touch` might no longer error when they used to, but
otherwise there should be no noticeable changes.
# Description
Clippy fixes for
[items_after_test_module](https://rust-lang.github.io/rust-clippy/master/index.html#/items_after_test_module)
# 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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crates/nu-std"` to run the tests for the standard library
> **Note**
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automatically
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> ```
-->
# After Submitting
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# Description
Fixes: #11683
# User-Facing Changes
NaN
# Tests + Formatting
~~I don't think we need to add a test, or else it'll copy some file to
user's directory, it seems bad.~~
Done.
# After Submitting
NaN
# Description
Fix a breaking change which is introduced by #11621
`rm -f /tmp/aaa` shouldn't return error if `/tmp/aaa/` doesn't exist.
# User-Facing Changes
NaN
# Tests + Formatting
Done
# 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
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
# Tests + Formatting
Done
# After Submitting
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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`.
wrap chrono in panic hooks to handle panic'ing unwraps on Jan 1, 1601
00:00 UTC and other reasons unknown. An overflow if time_u64 is smaller
than EPOCH_AS_FILETIME has been wrapped.
Further discussion
https://github.com/nushell/nushell/issues/10464
There are two issues that are associated with Chrono. I did not test. It
may not relate, but it could.
thread 'main' panicked at 'SystemTimeToFileTime failed with: The
parameter is incorrect.
https://github.com/nushell/nushell/issues/6574https://github.com/nushell/nushell/issues/9470
# Description
I'm not a fan of this code that was pulled from chrono. negative seconds
and nano seconds?
```rust
// Adapted from https://github.com/chronotope/chrono/blob/v0.4.19/src/datetime.rs#L755-L767.
let (sec, nsec, was_success) = match t.duration_since(UNIX_EPOCH) {
Ok(dur) => {
(dur.as_secs() as i64, dur.subsec_nanos(),true)
},
Err(e) => {
// unlikely but should be handled
let dur = e.duration();
let (sec, nsec) = (dur.as_secs() as i64, dur.subsec_nanos());
if nsec == 0 {
(-sec, 0,false)
} else {
(-sec - 1, 1_000_000_000 - nsec,false)
}
}
};
```
There's more on the #10464 ticket;
# User-Facing Changes
Use ls and it will not crash when listing windows pipes
ls \\.\pipe.
# Tests + Formatting
- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
DONE
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to
check that you're using the standard code style
that command yields:
```rust
error: casting raw pointers to the same type and constness is unnecessary (`*mut u16` -> `*mut u16`)
--> crates\nu-system\src\windows.rs:972:13
|
972 | name.as_mut_ptr() as *mut u16,
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `name.as_mut_ptr()`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
= note: `-D clippy::unnecessary-cast` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::unnecessary_cast)]`
error: casting raw pointers to the same type and constness is unnecessary (`*mut u16` -> `*mut u16`)
--> crates\nu-system\src\windows.rs:974:13
|
974 | domainname.as_mut_ptr() as *mut u16,
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `domainname.as_mut_ptr()`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
error: could not compile `nu-system` (lib) due to 2 previous errors
```
TBD
- `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
# Description
The `cp-old` command has been deprecated for a few releases now. It
should be safe to remove it once and for all. Let's see.
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
# Tests + Formatting
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sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
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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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# 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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# Description
Hi,
This closes#10446 , wherein we start implementing `mv` from `uutils`.
There are some stuff to iron out, particularly
* Decide on behavior from ignored tests
* Wait for release/PRs to be approved on `uutils` side, but still can be
tested for now. See [PR
approved](https://github.com/uutils/coreutils/pull/5428), and
[pending](https://github.com/uutils/coreutils/pull/5429).
* `--progress` does not seem to work on `uutils mv` either and have not
checked whether certain `X` size has to be achieved in order for it to
appear, thus something to investigate as well, but thought it wasnt
important enough to not make the PR.
See [issue
comment](https://github.com/nushell/nushell/issues/10446#issuecomment-1764497988),
on the possible strategy to follow, mainly copy what we did with `ucp`.
I still left some comments on purpose particularly on tests, which of
course would be removed before something is decided here. :) @fdncred
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# User-Facing Changes
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# Tests + Formatting
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Make sure you've run and fixed any issues with these commands:
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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
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# Description
This PR adds possibility to preserve/strip attributes from files when
using `cp` (via uu_cp::Attributes). To achieve this a single `--preserve
<list of attributes>` flag is added. This is different from how
coreutils and uutils cp function, but I believe this is better for
nushell.
Coreutils cp has three options `-p`, `--preserve` and `--no-presevce`.
The logic of these two options is not straightforward. As far as I
understand it is:
1. By default only mode attributes are preserved
2. `--preserve` option adds to default preserved attributes specified
ones (e.g. `--preserve=xattr,timestamps` will preserve mode, timestamps
and xattr)
3. `-p` is the same as `--preserve=mode,ownership,timestamps`
4. `--no-preserve` option rejects specified attributes (having priority
over `--preserve`)
However (in my opinion) the `--no-preserve` option is not needed,
because its only use seems to be rejecting attributes preserved by
default. But there is no need for this in nushell, because `--preserve`
can be specified with empty list as argument (whereas coreutils cp will
display a `cp: ambiguous argument ‘’ for ‘--preserve’` error if
`--preserve` is used with empty string as argument).
So to simplify this command is suggest (and implemented) only the
`--preserve` with the following logic:
1. By default mode attribute is preserved (as in coreutils cp)
2. `--preserve [ ... ]` will overwrite default with whatever is
specified in list (empty list meaning preserve nothing)
This way cp without `--preserve` behaves the same as coreutils `cp`, but
instead of using combinations of `--preserve` and `--no-preserve` one
needs to use `--preserve [ ... ]` with all attributes specified
explicitly. This seems more user-friendly to me as it does not require
remembering what the attributes preserved by default are and rejecting
them manually. However I see the possible problem with behavior
different from coreutils implementation, so some feedback is
apprecieated!
# User-Facing Changes
Users can now preserve or reject file attributes when using `cp`
# Tests + Formatting
Added tests manipulating mode and timestamps attributes.
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- this PR closes#11461
# Description
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Using `std::fs::remove_dir` instead of `std::fs::remove_file` when try
remove symlinks pointing to a directory on Windows.
# User-Facing Changes
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helps us keep track of breaking changes. -->
none
# Tests + Formatting
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- [x] `cargo fmt --all -- --check` to check standard code formatting
(`cargo fmt --all` applies these changes)
- [x] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used`
to check that you're using the standard code style
- [x] `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))
- I got 2 test fails on my Windows devenv; these fails in main branch
too
- `commands::complete::basic` : passed on Ubuntu, failed on Windows (a
bug?)
- `commands::cp::copy_file_with_read_permission`: failed on Windows with
Japanese environment (This test refers error message, so that fails on
environments using a language except for english.)
- [x] `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library
# After Submitting
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This fix has no changes to user-facing interface.
# Description
Fixes#11382
# User-Facing Changes
* before
```console
nushell/test (109f629) [✘?]
❯ open hello.md
hello
nushell/test (109f629) [✘?]
❯ ls hello.md | get size
╭───┬─────╮
│ 0 │ 6 B │
╰───┴─────╯
nushell/test (109f629) [✘?]
❯ open --raw hello.md | prepend "world" | save --raw --force hello.md
^C
nushell/test (109f629) [✘?]
❯ ls hello.md | get size
╭───┬─────────╮
│ 0 │ 2.8 GiB │
╰───┴─────────╯
```
* after
```console
nushell/test on fix_save [✘!?⇡]
❯ open hello.md | prepend "hello" | save --force hello.md
nushell/test on fix_save [✘!?⇡]
❯ open --raw hello.md | prepend "hello" | save --raw --force ../test/hello.md
Error: × pipeline input and output are same file
╭─[entry #4:1:1]
1 │ open --raw hello.md | prepend "hello" | save --raw --force ../test/hello.md
· ────────┬───────
· ╰── can't save output to '/data/source/nushell/test/hello.md' while it's being reading
╰────
help: you should change output path
nushell/test on fix_save [✘!?⇡]
❯ open hello | prepend "hello" | save --force hello
Error: × pipeline input and output are same file
╭─[entry #5:1:1]
1 │ open hello | prepend "hello" | save --force hello
· ──┬──
· ╰── can't save output to '/data/source/nushell/test/hello' while it's being reading
╰────
help: you should change output path
```
# Tests + Formatting
Make sure you've run and fixed any issues with these commands:
- [x] add `commands::save::save_same_file_with_extension`
- [x] add `commands::save::save_same_file_without_extension`
- [x] `cargo fmt --all -- --check` to check standard code formatting
(`cargo fmt --all` applies these changes)
- [x] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used`
to check that you're using the standard code style
- [x] `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))
- [x] `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library
# After Submitting
fix on android/termux fails to cd into /sdcard or any directory that
user has access via group
fixes#8095
I am not aware how this works on other platform so feel free to modify
this pr or even close it if it is not correct
# Description
on android or on linux to check if the user belongs to given directory
group, use `libc::getgroups` function
# User-Facing Changes
NA
# Description
This updates all the positional arguments (except with
`--features=dataframe` or `--features=extra`) to start with an uppercase
letter and end with a period.
Part of #5066, specifically [this
comment](/nushell/nushell/issues/5066#issuecomment-1421528910)
Some arguments had example data removed from them because it also
appears in the examples.
There are other inconsistencies in positional arguments I noticed while
making the tests pass which I will bring up in #5066.
# User-Facing Changes
Positional arguments are now consistent
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
Automatic documentation updates
# 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
# 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 addresses issue with cp brough up on
[discord](https://discord.com/channels/601130461678272522/614593951969574961/1177669443917189130)
where target of cp is not correctly expanded.
If one has directory `test` with file `file.txt` in it then the
following command (in one line or inside a `do` block):
```nu
cd test; let file = 'copy.txt'; cp file.txt $file
```
will create a `copy.txt` in `.` not in `test` instead. This happens
because target of `cp` is a variable which is not expanded unlike a
string literal
# User-Facing Changes
`cp` will correctly parse realative target paths
# Tests + Formatting
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closes#10845
I've opened this a little prematurely to get some questions answered
before I cleanup the code.
As I started trying to better understand GNUs `mktemp` I've realized its
kind of peculiar and we might want to change its behavior to introduce
it to nushell.
#### quiet and dry run
Does it make sense to keep the `quiet` and `dry_run` flags? I don't
think so. The GNU documentation says this about the dry run flag "Using
the output of this command to create a new file is inherently unsafe, as
there is a window of time between generating the name and using it where
another process can create an object by the same name." So yeah why keep
it? As far as quiet goes, does it make sense to silence the errors in
nushell?
#### other confusing flags
According to the [gnu
docs](https://www.gnu.org/software/coreutils/manual/html_node/mktemp-invocation.html),
the `-t` flag is deprecated and the `-p`/ `--tempdir` are the same flag
with the only difference being `--tempdir` takes an optional path, Given
that, I've broken the `-p` away from `--tempdir`. Now there is one
switch `--tmpdir`/`-t` and one named param `--tmpdir-path`/`-p`.
GNU mktemp
```
-p DIR, --tmpdir[=DIR] interpret TEMPLATE relative to DIR; if DIR is not
specified, use $TMPDIR if set, else /tmp. With
this option, TEMPLATE must not be an absolute name;
unlike with -t, TEMPLATE may contain slashes, but
mktemp creates only the final component
-t interpret TEMPLATE as a single file name component,
relative to a directory: $TMPDIR, if set; else the
directory specified via -p; else /tmp [deprecated]
```
to
nushell mktemp
```
-p, --tmpdir-path <Filepath> # named param, must provide a path
-t, --tmpdir # a switch
```
Is this a terrible idea?
What should I do?
---------
Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
# Description
Fixes issue #11061 where `rm` fails to find a file after a `cd`. It
looks like the new glob functions do not return absolute file paths
which we forgot to account for.
# Tests
Added a test (fails on current main, but passes with this PR).
---------
Co-authored-by: Jakub Žádník <kubouch@gmail.com>
follow-up to
- https://github.com/nushell/nushell/pull/10827
> **Important**
> wait for between 0.87 and 0.88 to land this
# Description
after deprecation comes removal... this PR removes `glob --not` in favor
of `glob --exclude`.
# User-Facing Changes
`glob --not` will stop working.
# Tests + Formatting
# After Submitting
i didn't find any use of `glob --not` in the `nu_scripts` so no update
required there 👍
# Description
looking at the [Wax documentation about
`wax::Walk.not`](https://docs.rs/wax/latest/wax/struct.Walk.html#examples),
especially
> therefore does not read directory trees from the file system when a
directory matches an [exhaustive glob
expression](https://docs.rs/wax/latest/wax/trait.Pattern.html#tymethod.is_exhaustive)
> **Important**
> in the following of this PR description, i talk about *pruning* and a
`--prune` option, but this has been changed to *exclusion* and
`--exclude` after a discussion with @fdncred.
this looks like a *pruning* operation to me, right? 😮
i wanted to make the `glob` option `--not` clearer about that, because
> -n, --not <List(String)> - Patterns to exclude from the results
from `help glob` is not very explicit about whether the search is pruned
when entering a directory matching a pattern in `--not` or just removing
it from the output 😕
## changelog
this PR proposes to rename the `glob --not` option to `glob --prune` and
make it's documentation more explicit 😋
## benchmarking
to support the *pruning* behaviour put forward above, i've run a
benchmark
1. define two closures to compare the behaviour between removing
patterns manually or using `--not`
```nushell
let where = {
[.*/\.local/.*, .*/documents/.*, .*/\.config/.*]
| reduce --fold (glob **) {|pat, acc| $acc | where $it !~ $pat}
| length
}
```
```nushell
let not = { glob ** --not [**/.local/**, **/documents/**, **/.config/**] | length }
```
2. run the two to make sure they give similar results
```nushell
> do $where
33424
```
```nushell
> do $not
33420
```
👌
3. measure the performance
```nushell
use std bench
```
```nushell
> bench --verbose --pretty --rounds 25 $not
44ms 52µs 285ns +/- 977µs 571ns
```
```nushell
> bench --verbose --pretty --rounds 5 $where
1sec 250ms 187µs 99ns +/- 8ms 538µs 57ns
```
👉 we can see that the results are (almost) the same but
`--not` is much faster, looks like pruning 😋
# User-Facing Changes
- `--not` will give a warning message but still work
- `--prune` will work just as `--not` without warning and with a more
explicit doc
- `--prune` and `--not` at the same time will give an error
# Tests + Formatting
this PR fixes the examples of `glob` using the `--not` option.
# After Submitting
prepare the removal PR and mention in release notes.
# Description
- this PR should close#10819
# User-Facing Changes
Behaviour is similar to pre 0.86.0 behaviour of the cp command and
should as such not have a user-facing change, only compared to the
current version, were the option is readded.
# After Submitting
I guess the documentation will be automatically updated and as this
feature is no further highlighted, probably, no more work will be needed
here.
# Considerations
coreutils actually allows a third option:
```
pub enum UpdateMode {
// --update=`all`,
ReplaceAll,
// --update=`none`
ReplaceNone,
// --update=`older`
// -u
ReplaceIfOlder,
}
```
namely `ReplaceNone`, which I have not added. Also I think that
specifying `--update 'abc'` is non functional.
(squashed version of #10557, clean commit history and review thread)
Fixes#10571, also potentially: #10364, #10211, #9558, #9310,
# Description
Changes processing of arguments to filesystem commands that are source
paths or globs.
Applies to `cp, cp-old, mv, rm, du` but not `ls` (because it uses a
different globbing interface) or `glob` (because it uses a different
globbing library).
The core of the change is to lookup the argument first as a file and
only glob if it is not. That way,
a path containing glob metacharacters can be referenced without glob
quoting, though it will have to be single quoted to avoid nushell
parsing.
Before: A file path that looks like a glob is not matched by the glob
specified as a (source) argument and takes some thinking about to
access. You might say the glob pattern shadows a file with the same
spelling.
```
> ls a*
╭───┬────────┬──────┬──────┬────────────────╮
│ # │ name │ type │ size │ modified │
├───┼────────┼──────┼──────┼────────────────┤
│ 0 │ a[bc]d │ file │ 0 B │ 34 seconds ago │
│ 1 │ abd │ file │ 0 B │ now │
│ 2 │ acd │ file │ 0 B │ now │
╰───┴────────┴──────┴──────┴────────────────╯
> cp --verbose 'a[bc]d' dest
copied /home/bobhy/src/rust/work/r4/abd to /home/bobhy/src/rust/work/r4/dest/abd
copied /home/bobhy/src/rust/work/r4/acd to /home/bobhy/src/rust/work/r4/dest/acd
> ## Note -- a[bc]d *not* copied, and seemingly hard to access.
> cp --verbose 'a\[bc\]d' dest
Error: × No matches found
╭─[entry #33:1:1]
1 │ cp --verbose 'a\[bc\]d' dest
· ─────┬────
· ╰── no matches found
╰────
> #.. but is accessible with enough glob quoting.
> cp --verbose 'a[[]bc[]]d' dest
copied /home/bobhy/src/rust/work/r4/a[bc]d to /home/bobhy/src/rust/work/r4/dest/a[bc]d
```
Before_2: if file has glob metachars but isn't a valid pattern, user
gets a confusing error:
```
> touch 'a[b'
> cp 'a[b' dest
Error: × Pattern syntax error near position 30: invalid range pattern
╭─[entry #13:1:1]
1 │ cp 'a[b' dest
· ──┬──
· ╰── invalid pattern
╰────
```
After: Args to cp, mv, etc. are tried first as literal files, and only
as globs if not found to be files.
```
> cp --verbose 'a[bc]d' dest
copied /home/bobhy/src/rust/work/r4/a[bc]d to /home/bobhy/src/rust/work/r4/dest/a[bc]d
> cp --verbose '[a][bc]d' dest
copied /home/bobhy/src/rust/work/r4/abd to /home/bobhy/src/rust/work/r4/dest/abd
copied /home/bobhy/src/rust/work/r4/acd to /home/bobhy/src/rust/work/r4/dest/acd
```
After_2: file with glob metachars but invalid pattern just works.
(though Windows does not allow file name to contain `*`.).
```
> cp --verbose 'a[b' dest
copied /home/bobhy/src/rust/work/r4/a[b to /home/bobhy/src/rust/work/r4/dest/a[b
```
So, with this fix, a file shadows a glob pattern with the same spelling.
If you have such a file and really want to use the glob pattern, you
will have to glob quote some of the characters in the pattern. I think
that's less confusing to the user: if ls shows a file with a weird name,
s/he'll still be able to copy, rename or delete it.
# User-Facing Changes
Could break some existing scripts. If user happened to have a file with
a globbish name but was using a glob pattern with the same spelling, the
new version will process the file and not expand the glob.
# Tests + Formatting
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---------
Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
# Description
This PR is just a quick change to add `coreutils` to the `cp` command. I
thought that it would be a good search term as we start to integrate
more `coreutils` commands.
# User-Facing Changes
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# Tests + Formatting
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# Description
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This PR allows `open` to handle files with multiple extensions; i.e it
will try to call `from tar.gz`, `from gz` when calling
```nu
open file.tar.gz
```
# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
No breaking changes.
# Description
This PR renames nushell's `cp` command to `cp-old` to make room for
`ucp` to be renamed to `cp`, making the coreutils version of `cp` the
default for nushell. After some period of time, we should remove
`cp-old` entirely.
# User-Facing Changes
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helps us keep track of breaking changes. -->
# Tests + Formatting
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This pr fix clippy warnings in latest clippy version(1.72.0):
Unfortunally it's not easy to handle for [try
fold](https://rust-lang.github.io/rust-clippy/master/index.html#/manual_try_fold)
warning in `start command`
Refer to known issue:
> This lint doesn’t take into account whether a function does something
on the failure case, i.e., whether short-circuiting will affect
behavior. Refactoring to try_fold is not desirable in those cases.
That's the case for our code, which does something on the failure case.
So this pr is making a little refactor on `try_commands`.
# Description
Closes#10537. Basically error message was unhelpful, and this temporary
measure adds back the nice previous nushell error message. Ideally, we
would like to add a more permanent solution mentioned in the issue
[comments](https://github.com/nushell/nushell/issues/10537#issuecomment-1743686122),
but since we want to have `ucp` as `cp` on new release, this is hackier
but way simpler so this fix should do it.
Only downside is that now behavior differs from `uutils` in the sense
that:
```
uutils:
> cp a foo/ bar
ls bar
# foo/a
nushell:
>ucp a foo/ bar
# directory error (not copied) ....
```
So, since its non fatal error, uutils copies a, but nushell errors out
with nothing copied. If we go to option 3 mentioned above, then we can
decide what we want to do, and perhaps continue on a non fatal error.
# User-Facing Changes
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helps us keep track of breaking changes. -->
# Tests + Formatting
Don't forget to add tests that cover your changes.
Make sure you've run and fixed any issues with these commands:
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(`cargo fmt --all` applies these changes)
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to check that you're using the standard code style
- [X] `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))
- [X] `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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> ```
# After Submitting
---------
Co-authored-by: amtoine <stevan.antoine@gmail.com>
Reverts nushell/nushell#10596
Using the long option in examples is going to be confusing as it makes
the reader think the long option is required. It also isn't idiomatic
Nushell.
The examples should be copy-paste-able as idiomatic Nushell, so as such
we shouldn't expand them to the long flag name.
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# Description
Long options are preferable over short ones for documentation.
This PR ports some command examples to exclusively use long options.
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# User-Facing Changes
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# Tests + Formatting
✅
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# Description
This removes the old style "cd with abbreviations" that would attempt to
guess what directory you wanted to `cd` to. This would sometimes have
false positives, so we left it off by default in the config.
In the current main, we have much-improved path completions
(https://github.com/nushell/nushell/pull/10543) so you can now do `cd
a/b<tab>` and get a much better experience (because you can see the
directory you're about to cd to). This removes the need for the previous
abbreviation system.
# User-Facing Changes
This does remove the old abbreviation system. It will likely mean that
old config files that have settings for abbreviations will now get
errors.
update: here's an example of the error you'll see:
# Tests + Formatting
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# Description
Closes#10441
Uses `String::to_lowercase()` when the file's extension `ext` is parsed
to allow `from_decl(format!("from {ext}"))` to return the desired output
regardless of extension case.
It doesn't work with sqlite files since those are handled earlier in the
parsing but I think is good- since there's no standard file extension
used by sqlite so a user will likely want case sensitivity in that case.
This also has the (possibly undesired) effect of making `open`
completely case insensitive, e.g. `open foo.JSON` will work on a file
named `foo.json` and vice versa. This is good on Windows as it treats
`foo.json` and `foo.JSON` as the same file, but may not be the desired
behaviour on Unix.
If this behaviour is undesired I assume it would be fixed with a
`#[cfg(not(unix))]` attribute on the `to_lowercase()` operation but that
produces slightly "uglier" code that I didn't wish to submit unless
necessary.
old behaviour:
new behaviour:
# User-Facing Changes
`open` will now present a table when `open`-ing files with captitalized
extensions rather than the file's raw data
# Tests + Formatting
new test: `parses_file_with_uppercase_extension` which tests the desired
behaviour
---------
Co-authored-by: Stefan Holderbach <sholderbach@users.noreply.github.com>
Fixes#10503
Also improves link to metacharacter help;
# Description
`glob` code was using pattern as provided by user. If that had leading
`..\`, `wax::Glob` is documented to treat them as literal chars to be
matched.
Fix is to use `wax::Glob.partition()` to split such invariant prefixes
off the pattern and tack them onto the working directory computed
separately.
Before
```
> ls ..
╭───┬───────┬──────┬──────┬───────────────╮
│ # │ name │ type │ size │ modified │
├───┼───────┼──────┼──────┼───────────────┤
│ 0 │ ../r1 │ dir │ 7 B │ 3 hours ago │
│ 1 │ ../r2 │ dir │ 3 B │ a day ago │
│ 2 │ ../r3 │ dir │ 13 B │ 4 minutes ago │
╰───┴───────┴──────┴──────┴───────────────╯
> glob ../r*
╭────────────╮
│ empty list │
╰────────────╯
```
After
```
> glob ../r*
╭───┬──────────────────────────────╮
│ 0 │ /home/bobhy/src/rust/work/r2 │
│ 1 │ /home/bobhy/src/rust/work/r1 │
│ 2 │ /home/bobhy/src/rust/work/r3 │
╰───┴──────────────────────────────╯
```
# User-Facing Changes
None
# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`
# After Submitting
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---------
Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
should close https://github.com/nushell/nushell/issues/10406
# Description
when writing a script, with variables you try to `ls` or `open`, you
will get a "directory not found" error but the variable won't be
expanded and you won't be able to see which one of the variable was the
issue...
this PR adds this information to the error.
# User-Facing Changes
let's define a variable
```nushell
let does_not_exist = "i_do_not_exist_in_the_current_directory"
```
### before
```nushell
> open $does_not_exist
Error: nu:🐚:directory_not_found
× Directory not found
╭─[entry #7:1:1]
1 │ open $does_not_exist
· ───────┬───────
· ╰── directory not found
╰────
```
```nushell
> ls $does_not_exist
Error: nu:🐚:directory_not_found
× Directory not found
╭─[entry #8:1:1]
1 │ ls $does_not_exist
· ───────┬───────
· ╰── directory not found
╰────
```
### after
```nushell
> open $does_not_exist
Error: nu:🐚:directory_not_found
× Directory not found
╭─[entry #3:1:1]
1 │ open $does_not_exist
· ───────┬───────
· ╰── directory not found
╰────
help: /home/amtoine/documents/repos/github.com/amtoine/nushell/i_do_not_exist_in_the_current_directory does not exist
```
```nushell
> ls $does_not_exist
Error: nu:🐚:directory_not_found
× Directory not found
╭─[entry #4:1:1]
1 │ ls $does_not_exist
· ───────┬───────
· ╰── directory not found
╰────
help: /home/amtoine/documents/repos/github.com/amtoine/nushell/i_do_not_exist_in_the_current_directory does not exist
```
# Tests + Formatting
shouldn't harm anything 🤞
# After Submitting
# Description
This PR should close#10085
Maps `DirectoryNotFound` errors to `FileNotFound`. All other errors are
left unchanged.
# User-Facing Changes
This means a user will see `FileNotFound` instead of `DirectoryNotFound`
which is more meaning full to the user.
Elide the reference for `Copy` type (`usize`)
Use the canonical deref where possible.
* `&Box` -> `&`
* `&String` -> `&str`
* `&PathBuf` -> `&Path`
Skips the ctrl-C handler for now.
fixes#8551
# Description
Use `open::commands` function to get list of command available for
starting given path. run commands directly, providing environment, until
one of them is successful.
example of output if start was not successful:
```
~\code\nushell> start ..\nustart\a.myext 09/12/2023 01:37:55 PM
Error: nu:🐚:external_command
× External command failed
╭─[entry #1:1:1]
1 │ start ..\nustart\a.myext
· ─────────┬────────
· ╰── No command found to start with this path
╰────
help: Try different path or install appropriate command
Command `cmd /c start "" "..\nustart\a.myext"` failed with exit code: 1
```
# User-Facing Changes
`start` command now provides environment to the external command. This
is how it worked in `nu 0.72`, see linked issue.
# Tests + Formatting
`start` command didn't have any tests and this PR does not add any.
Integration-level tests will require setup specific to OS and
potentially change global environment on testing machine. For unit-level
test it is possible to test `try_commands` function. But is still runs
external commands, and robust test will require apriori knowledge which
commands are necessary successful to run and which are not.
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# Description
Fixes#10300 , where using variables didnt work with `ucp` as it was
only expecting a `Expr::FilePath`.
Before: (from the issue)
```
❯ ucp -r $var $folder
Error: × Missing file operand
╭─[entry #40:1:1]
1 │ ucp -r $var $folder
· ─┬─
· ╰── Missing file operand
╰────
help: Please provide source and destination paths
```
Now:
```
`ucp -r $var $folder`
# success
```
Also added the test to ensure its working:) . Oh, and I tweaked again
slightly the messages on two tests because now the whole `path` is
printed rather than `a`. Say:
```
#before
`cp a a` --> 'a' and 'a' are the same file
# now
`cp a a` --> /home/current/location/a and /home/current/location/a are the same file
```
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# Tests + Formatting
Don't forget to add tests that cover your changes.
Make sure you've run and fixed any issues with these commands:
- [X] `cargo fmt --all -- --check` to check standard code formatting
(`cargo fmt --all` applies these changes)
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to check that you're using the standard code style
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make sure to [enable developer
mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging))
- [X] `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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# Description
Hi. Basically, this is a continuation of the work that @fdncred started.
Given some nice discussions on #9463 , and [merged uutils
PR](https://github.com/uutils/coreutils/pull/5152) from @tertsdiepraam
we have decided to give the `cp` command the `crawl` stage as it was
named.
> [!NOTE]
Given that the `uutils` crate has not made the release for the merged
PR, just make sure you checkout latest and put it in the required place
to make this PR work.
The aim of this PR is for is to see how to move forward using `uutils`
crate. In order to getting this started, I have made the current
`nushell cp tests` pass along with some extra ones I copied over from
the `uutils` repo.
With all of that being said, things that would be nice to decide, and
keep working on:
Crawl:
- Handling of certain `named` flags, with their long and short
forms(e.g. --update, --reflink, --preserve, etc), and using default
values. Maybe `-u` can already have a `default_missing_value`.
- Should we maybe just support one single option `switch` flags (see
`--backup` in code) as a contrast to the other named args.
- Complete test coverage from `uutils`. They had > 100 tests, and I
could only port like 12 as they are a bit time consuming given they
cannot be straight up copy pasted. Maybe we do not need all >100, but
maybe the more relevant to what we want.
- Refactor this code
Walk:
- Non fatal errors on `copy` from `utils`. Currently it just sends it to
stdout but errors have no span
- Better integration
An added possibility is the addition of `SyntaxShape::OneOf()` for
`Named` arguments which was briefly mentioned in the discord server, but
that is still to be decided. This could greatly improve some of the
integration. This would enable something like `cp --preserve [all
timestamp]` or `cp --preserve all` to both work.
I did not want to keep holding on this, and wait till I was happy with
the code because I think its nice if everyone can start up and suggest
refactors, but the main important part now was getting it out the door,
as if I take my sweet time this will take way longer 😛
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# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
# Tests + Formatting
Make sure you've run and fixed any issues with these commands:
- [X] cargo fmt --all -- --check` to check standard code formatting
(`cargo fmt --all` applies these changes)
- [X] cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to
check that you're using the standard code style
- [X] cargo test --workspace` to check that all tests pass
- [X] 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
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> ```
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# After Submitting
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---------
Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
# Description
Related to https://github.com/nushell/nushell.github.io/pull/1048
Include this information in the command help.
# User-Facing Changes
As soon as this information is documented people are much more likely to
depend on it so we need to be careful in the future if this design
sparks joy or not.
# Description
Currently on Android, there are warnings about unused variables. This PR
fixes that with more conditional guards for the unused variables.
Additionally, in #10013, @kubouch gave feedback in [the last
PR](https://github.com/nushell/nushell/pull/10013#pullrequestreview-1596828128)
that it was unwieldy to repeat
```rust
#[cfg(all(
feature = "trash-support",
not(target_os = "android"),
not(target_os = "ios")
))]
```
# Description
As part of the refactor to split spans off of Value, this moves to using
helper functions to create values, and using `.span()` instead of
matching span out of Value directly.
Hoping to get a few more helping hands to finish this, as there are a
lot of commands to update :)
# 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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fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to
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
PR is merged, if necessary. This will help us keep the docs up to date.
-->
---------
Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
Co-authored-by: WindSoilder <windsoilder@outlook.com>
# Description
This doesn't really do much that the user could see, but it helps get us
ready to do the steps of the refactor to split the span off of Value, so
that values can be spanless. This allows us to have top-level values
that can hold both a Value and a Span, without requiring that all values
have them.
We expect to see significant memory reduction by removing so many
unnecessary spans from values. For example, a table of 100,000 rows and
5 columns would have a savings of ~8megs in just spans that are almost
always duplicated.
# User-Facing Changes
Nothing yet
# 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)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- -c "use std testing; testing run-tests --path
crates/nu-std"` to run the tests for the standard library
> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->
# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
# Description
This PR creates a new `Record` type to reduce duplicate code and
possibly bugs as well. (This is an edited version of #9648.)
- `Record` implements `FromIterator` and `IntoIterator` and so can be
iterated over or collected into. For example, this helps with
conversions to and from (hash)maps. (Also, no more
`cols.iter().zip(vals)`!)
- `Record` has a `push(col, val)` function to help insure that the
number of columns is equal to the number of values. I caught a few
potential bugs thanks to this (e.g. in the `ls` command).
- Finally, this PR also adds a `record!` macro that helps simplify
record creation. It is used like so:
```rust
record! {
"key1" => some_value,
"key2" => Value::string("text", span),
"key3" => Value::int(optional_int.unwrap_or(0), span),
"key4" => Value::bool(config.setting, span),
}
```
Since macros hinder formatting, etc., the right hand side values should
be relatively short and sweet like the examples above.
Where possible, prefer `record!` or `.collect()` on an iterator instead
of multiple `Record::push`s, since the first two automatically set the
record capacity and do less work overall.
# User-Facing Changes
Besides the changes in `nu-protocol` the only other breaking changes are
to `nu-table::{ExpandedTable::build_map, JustTable::kv_table}`.
Closes#9910 FOR REAL this time.
I had fixed the issue on Linux but not Windows. Context:
https://github.com/nushell/nushell/issues/9910#issuecomment-1689308886
I've tested this PR successfully on Windows, Linux, and macOS by running
`watch . {|a,b| print $a; print $b}` and confirming that it prints once
when I change a file in the current directory.
Closes https://github.com/nushell/nushell/issues/9910
I noticed that`watch` was not catching all filesystem changes, because
some are reported as `ModifyKind::Data(DataChange::Any)` and we were
only handling `ModifyKind::Data(DataChange::Content)`. Easy fix.
This was happening on Ubuntu 23.04, ext4.
this PR should close#9624
# Description
Fixes the `rm` command assuming that a symlink is a directory and trying
to delete the directory as opposed to unlinking the symlink.
Should probably be tested on linux before merge.
Added tests for deleting symlinks
