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Artemiy 1867bb1a88
Fix incorrect handling of boolean flags for builtin commands (#11492) 
# Description
Possible fix of #11456
This PR fixes a bug where builtin commands did not respect the logic of
dynamically passed boolean flags. The reason is
[has_flag](6f59abaf43/crates/nu-protocol/src/ast/call.rs (L204C5-L212C6))
method did not evaluate and take into consideration expression used with
flag.

To address this issue a solution is proposed:
1. `has_flag` method is moved to `CallExt` and new logic to evaluate
expression and check if it is a boolean value is added
2. `has_flag_const` method is added to `CallExt` which is a constant
version of `has_flag`
3. `has_named` method is added to `Call` which is basically the old
logic of `has_flag`
4. All usages of `has_flag` in code are updated, mostly to pass
`engine_state` and `stack` to new `has_flag`. In `run_const` commands it
is replaced with `has_flag_const`. And in a few select places: parser,
`to nuon` and `into string` old logic via `has_named` is used.

# User-Facing Changes
Explicit values of boolean flags are now respected in builtin commands.
Before:

![image](https://github.com/nushell/nushell/assets/17511668/f9fbabb2-3cfd-43f9-ba9e-ece76d80043c)
After:

![image](https://github.com/nushell/nushell/assets/17511668/21867596-2075-437f-9c85-45563ac70083)

Another example:
Before:

![image](https://github.com/nushell/nushell/assets/17511668/efdbc5ca-5227-45a4-ac5b-532cdc2bbf5f)
After:

![image](https://github.com/nushell/nushell/assets/17511668/2907d5c5-aa93-404d-af1c-21cdc3d44646)


# Tests + Formatting
Added test reproducing some variants of original issue.
2024-01-11 17:19:48 +02:00
..
deparse.rs allow empty string arguments (#9420) 2023-06-13 07:30:30 -05:00
flatten.rs Allow spreading arguments to commands (#11289) 2023-12-28 15:43:20 +08:00
known_external.rs Allow spreading arguments to commands (#11289) 2023-12-28 15:43:20 +08:00
lex.rs Support o>>, e>>, o+e>> to append output to an external file (#10764) 2023-11-27 07:52:39 -06:00
lib.rs Move SyntaxShape specifier parsing into own file (#10448) 2023-10-05 23:31:40 +02:00
lite_parser.rs Support o>>, e>>, o+e>> to append output to an external file (#10764) 2023-11-27 07:52:39 -06:00
parse_keywords.rs Fix incorrect handling of boolean flags for builtin commands (#11492) 2024-01-11 17:19:48 +02:00
parse_patterns.rs Remove Expr::MatchPattern (#11367) 2023-12-20 18:52:28 +01:00
parse_shape_specs.rs Move SyntaxShape specifier parsing into own file (#10448) 2023-10-05 23:31:40 +02:00
parser_path.rs Add virtual path abstraction layer (#9245) 2023-05-23 23:48:50 +03:00
parser.rs Allow spreading arguments to commands (#11289) 2023-12-28 15:43:20 +08:00
type_check.rs Match ++= capabilities with ++ (#11130) 2023-12-07 05:46:37 +08:00