Update Rust crate clap to v4 by renovate[bot] · Pull Request #13 · mopemope/rrc

renovate · 2022-09-28T17:52:14Z

ℹ️ Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package	Type	Update	Change
clap	dependencies	major	`3` → `4`

Release Notes

clap-rs/clap (clap)

`v4.5.57`

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`v4.5.56`

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Fixes

On conflict error, don't show conflicting arguments in the usage

`v4.5.55`

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Fixes

Fix inconsistency in precedence between positionals with a value_terminator("--") and escapes (--) where ./foo -- bar means the first arg is empty, rather than escaping future args

`v4.5.54`

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Fixes

(help) Move [default] to its own paragraph when PossibleValue::help is present in --help

`v4.5.53`

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Features

Add default_values_if, default_values_ifs

`v4.5.52`

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Fixes

Don't panic when args_conflicts_with_subcommands conflicts with an ArgGroup

`v4.5.51`

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Fixes

(help) Correctly calculate padding for short flags that take a value
(help) Don't panic on short flags using ArgAction::Count

`v4.5.50`

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Features

Accept Cow where String and &str are accepted

`v4.5.49`

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Fixes

(help) Correctly wrap when ANSI escape codes are present

`v4.5.48`

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Documentation

Add a new CLI Concepts document as another way of framing clap
Expand the typed_derive cookbook entry

`v4.5.47`

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Features

Added impl FromArgMatches for ()
Added impl Args for ()
Added impl Subcommand for ()
Added impl FromArgMatches for Infallible
Added impl Subcommand for Infallible

Fixes

(derive) Update runtime error text to match clap

`v4.5.46`

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Features

Expose StyledStr::push_str

`v4.5.45`

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Fixes

(unstable-v5) ValueEnum variants now use the full doc comment, not summary, for PossibleValue::help

`v4.5.44`

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Features

Add Command::mut_subcommands

`v4.5.43`

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Fixes

(help) In long help, list Possible Values before defaults, rather than after, for a more consistent look

`v4.5.42`

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Fixes

Include subcommand visible long aliases in --help

`v4.5.41`

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Features

Add Styles::context and Styles::context_value to customize the styling of [default: value] like notes in the --help

`v4.5.40`

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Features

Support quoted ids in arg!() macro (e.g. arg!("check-config": ...))

`v4.5.39`

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Fixes

(help) Show short flag aliases before long
(help) Merge the short and long flag alias lists

`v4.5.38`

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Fixes

(help) When showing aliases, include leading -- or -

`v4.5.37`

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Features

Added ArgMatches::try_clear_id()

`v4.5.36`

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Fixes

(help) Revert 4.5.35's "Don't leave space for shorts if there are none" for now

`v4.5.35`

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Fixes

(help) Align positionals and flags when put in the same help_heading
(help) Don't leave space for shorts if there are none

`v4.5.34`

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Fixes

(help) Don't add extra blank lines with flatten_help(true) and subcommands without arguments

`v4.5.33`

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Fixes

(error) When showing the usage of a suggestion for an unknown argument, don't show the group

`v4.5.32`

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Features

Add Error::remove

Documentation

(cookbook) Switch from humantime to jiff
(tutorial) Better cover required vs optional

Internal

Update pulldown-cmark

`v4.5.31`

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Features

Add ValueParserFactory for Saturating<T>

`v4.5.30`

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Fixes

(assert) Allow num_args(0..=1) to be used with SetTrue
(assert) Clean up rendering of takes_values assertions

`v4.5.29`

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Fixes

Change ArgMatches::args_present so not-present flags are considered not-present (matching the documentation)

`v4.5.28`

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Features

(derive) Unstable support for full markdown syntax for doc comments, enabled with unstable-markdown

`v4.5.27`

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Documentation

Iterate on tutorials and reference based on feedback

`v4.5.26`

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Fixes

(error) Reduce binary size with the suggestions feature

`v4.5.25`

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Fixes

(help) Reduce binary size

`v4.5.24`

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Fixes

(parser) Correctly handle defaults with ignore_errors(true) and when a suggestion is provided for an unknown argument

`v4.5.23`

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Fixes

(parser) When check allow_negative_numbers, allow E again

`v4.5.22`

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Fixes

(assert) Catch bugs with arguments requiring themself

`v4.5.21`

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Fixes

(parser) Ensure defaults are filled in on error with ignore_errors(true)

`v4.5.20`

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Features

(unstable) Add CommandExt

`v4.5.19`

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Internal

Update dependencies

`v4.5.18`

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Features

(builder) Expose Arg::get_display_order and Command::get_display_order

`v4.5.17`

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Fixes

(help) Style required argument groups
(derive) Improve error messages when unsupported fields are used

`v4.5.16`

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Fixes

(derive) Improve error messages when derive feature is missing

`v4.5.15`

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Compatiblity

(unstable-ext) Arg::remove changed return types

Fixes

(unstable-ext) Make Arg::remove return the removed item

`v4.5.14`

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Features

(unstable-ext) Added Arg::add for attaching arbitrary state, like completion hints, to Arg without Arg knowing about it

`v4.5.13`

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Fixes

(derive) Improve error message when #[flatten]ing an optional #[group(skip)]
(help) Properly wrap long subcommand descriptions in help

Fixes

(error) When defining a custom help flag, be sure to suggest it like we do the built-in one

`v4.5.8`

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Fixes

Reduce extra flushes

`v4.5.7`

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Fixes

Clean up error message when too few arguments for num_args

`v4.5.6`

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`v4.5.5`

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Fixes

(help) Move [default] to its own paragraph when PossibleValue::help is present in --help

`v4.5.4`

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Fixes

(help) Correctly wrap when ANSI escape codes are present

`v4.5.3`

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Fixes

(help) Show short flag aliases before long
(help) Merge the short and long flag alias lists

`v4.5.2`

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Fixes

Change ArgMatches::args_present so not-present flags are considered not-present (matching the documentation)

`v4.5.1`

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Internal

Update dependencies

`v4.5.0`

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Compatibility

Update MSRV to 1.74

`v4.4.18`

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Fixes

(error) When lacking usage feature, ensure the list of required arguments is unique

`v4.4.17`

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Fixes

Fix panic! when mixing args_conflicts_with_subcommands with ArgGroup (which is implicit with derive) introduced in 4.4.15

`v4.4.16`

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Fixes

Ensure invalid escape sequences in user-defined strings are correctly stripped when terminal doesn't support color

`v4.4.15`

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Fixes

Improve error for args_conflicts_with_subcommands
Ensure we error for args_conflicts_with_subcommands when using subcommand short and long flags

`v4.4.14`

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Documentation

Fix find cookbook entry to allow repeats of flags/options

Features

Allow num_args(0) on options which allows making them emulate being a flag for position-tracking flags

`v4.4.13`

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Documentation

Fix link to structopt migration guide

`v4.4.12`

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Performance

Only ask TypedValueParser for possible values if needed

`v4.4.11`

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Features

Add Command::mut_group

`v4.4.10`

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Documentation

Link out to changelog
Cross link derive's attribute reference to derive tutorial

`v4.4.9`

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Fixes

(help) Show correct Command::about under flattened headings
(help) Respect hide when flattening subcommands

`v4.4.8`

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Features

Add Command::flatten_help to allow git stash -h like help for subcommands

`v4.4.7`

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Performance

Reduced code size

`v4.4.6`

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Internal

Upgrade anstream

`v4.4.5`

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Fixes

(parser) When inferring subcommand name or long_flag, allow ambiguous-looking matches that unambiguously map back to the same command
(parser) When inferring subcommand long_flag, don't panic
(assert) Clarify what action is causing a positional that doesn't set values which is especially useful for derive users

`v4.4.4`

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Internal

Update terminal_size to 0.3

`v4.4.3`

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Documentation

(derive) Clarify use of attributes within the tutorial
Split sections in the builder and derive tutorials into separate modules

`v4.4.2`

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Performance

Improve build times by removing once_cell dependency

`v4.4.1`

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Fixes

(error) When lacking usage feature, ensure the list of required arguments is unique

`v4.4.0`

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compatibility

update msrv to 1.70.0

`v4.3.24`

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Fixes

Ensure column padding is preserved in --help with custom templates

`v4.3.23`

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Fixes

Fixed UnknownArgumentValueParser to not error on flag's absence

`v4.3.22`

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Features

Add UnknownArgumentValueParser for injecting errors for improving the experience with errors

`v4.3.21`

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Features

Expose TryMapValueParser so the type can be named

`v4.3.20`

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Features

Command::mut_args for modifying all arguments en masse

`v4.3.19`

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Fixes

(parse) Respect value_terminator even in the presence of later multiple-value positional arguments

`v4.3.18`

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Fixes

(parse) Suggest -- in fewer places where it won't work

`v4.3.17`

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Fixes

(help) Address a regression in wrapping PossibleValue descriptions in --help

`v4.3.16`

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Fixes

Don't assert when stateful value parsers fail on defaults (e.g. checking if a path exists)

`v4.3.15`

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Features

(unstable-styles) Re-export anstyle

Documentation

(unstable-styles) Provide more examples

`v4.3.14`

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Features

ArgAction::HelpShort and ArgAction::HelpLong for explicitly specifying which style of help to display

Fixes

Skip [OPTIONS] in usage if a help or version ArgAction is used

`v4.3.13`

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`v4.3.12`

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Fixes

(derive) Don't error on enum variant field attributes

`v4.3.11`

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Features

(derive) Support fields wrapped in num::Wrapping, Box, or Arc
(derive) Support Box<str>, Box<OsStr>, and Box<Path>

`v4.3.10`

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Performance

Drop a dependency, reducing binary size by 1.3 KiB

`v4.3.9`

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Fixes

Command::ignore_errors no longer masks help/version

`v4.3.8`

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Fixes

Error on ambiguity with infer_long_arg, rather than arbitrarily picking one, matching the documentation and subcommand's behavior

`v4.3.7`

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Documentation

Further clarify magic behavior in derive tutorial
Further clarify derive API's relationship to builder within the tutorial

`v4.3.6`

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Documentation

Suggest clio

`v4.3.5`

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ColorChoice::possible_values is added to simplify things for builder users

Fixes

ColorChoice::to_possible_value no longer includes descriptions, encouraging shorter help where possible

`v4.3.4`

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Features

Add Error::exit_code

`v4.3.3`

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Features

Command::defer for delayed initialization of subcommands to reduce startup times of large applications like deno

`v4.3.2`

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Fixes

Ensure column padding is preserved in --help with custom templates

`v4.3.1`

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Fixes

(parse) Respect value_terminator even in the presence of later multiple-value positional arguments

`v4.3.0`

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Fixes

(assert) Allow multiple, value-terminated, positional arguments
(assert) Clear up language on last assertion
(parser) Correctly assign values to arguments when using multiple, value-termianted, positional arguments
(parser) Ensure value_terminator has higher precedence than allow_hyphen_values
(help) Only use next-line-help on subcommand list when explicitly specified, not just with --help
(help) Correctly align possible values list
(help) Don't waste code, vertical space in moving possible value descriptions to next line

`v4.2.7`

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Fixes

Correctly track remaining length for iterators provided by ArgMatches

`v4.2.6`

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Features

impl Eq<std::any::TypeId> for clap_builder::util::AnyValueId

`v4.2.5`

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Fixes

Improve panic when a group requires a non-existent ID

`v4.2.4`

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Documentation

Corrected docs for Command::style

`v4.2.3`

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Features

Command::styles for theming help/errors (behind unstable-styles)

`v4.2.2`

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Internal

Update dependencies

`v4.2.1`

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Fixes

Don't highlight uninteresting parts of the error message

`v4.2.0`

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Compatibility

Removed the languishing unstable-replace feature (open to discussion at #2836)
Removed the stablized unstable-grouped feature

Features

Allow any StyledStr to accept text styled with ANSI escape codes
Respect CLICOLOR, CLICOLOR_FORCE

Fixes

Lighten the tone for "unexpected argument" errors (open to discussion at #4638)

`v4.1.14`

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Features

(derive) #[group] raw attribute support

Performance

(derive) clap_builder was pulled out of clap so it could build in parallel to clap_derive
os_str_bytes dependency was removed for faster builds and smaller binaries

`v4.1.13`

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Performance

Reduce repeated alloc calls when building a Command
Reduce duplicate dependencies for faster builds

`v4.1.12`

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Internal

(derive) Update to syn v2

Performance

(derive) Faster build times by dropping proc-macro-error dependency

`v4.1.11`

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Internal

Update bitflags

`v4.1.10`

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Fixes

(help) On Windows, avoid underlined text artifacts

`v4.1.9`

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Fixes

(assert) Improve the assert when using the wrong action with get_count / get_flag

`v4.1.8`

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Fixes

(derive) Don't deny lints on the users behalf

`v4.1.7`

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Fixes

(derive) Hide some nightly clippy warnings

`v4.1.6`

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Fixes

(help) Don't show long help for --help just because hidden possible values include a description

`v4.1.5`

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Fixes

(help) Don't show long help for --help just because a hidden arg has a possible value with a description

`v4.1.4`

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Fixes

(help) Respect disable_colored_help when using arg_required_else_help

Performance

Speed up compiling arg! macro

`v4.1.3`

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Fixes

(error) Improve suggested flag/value/subcommand when two share a long preifx
(error) When suggesting one of several subcommands, use the plural subcommands, rather than subcommand

`v4.1.2`

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Fixes

In documentation, refer to get_flag, rather than get_one::<bool>

`v4.1.1`

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Features

(derive) #[group] raw attribute support

Performance

(derive) clap_builder was pulled out of clap so it could build in parallel to clap_derive
os_str_bytes dependency was removed for faster builds and smaller binaries

`v4.1.0`

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Compatibility

MSRV changed to 1.64.0

For apps with custom --help and --version flags:

Descriptions for --help and --version changed

When apps have errors imitating clap's error style:

Error message style was changed, including
- Moving away from "did you mean" to tips
- Leading letter is lower case
- "For more" added some punctuation

Features

ArgMatches::get_occurrences support for argument values to be grouped by their occurrence

Fixes

(derive) Allow upgrade_from when arguments / subcommands are explicitly marked as required
(help) Try be more clearer and succinct with --help and --version (also helps with overflow)
(error) Try to be more clearer and succinct with error messages
(error) Officially adopt an error style guide

`v4.0.32`

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Fixes

(parser) When overriding required(true), consider args that conflict with its group

`v4.0.31`

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Performance

Speed up parsing when a lot of different flags are present (100 unique flags)

`v4.0.30`

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Fixes

(error) Improve error for args_conflicts_with_subcommand

`v4.0.29`

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`v4.0.28`

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Fixes

Fix wasm support which was broken in 4.0.27

`v4.0.27`

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Features

Have Arg::value_parser accept Vec<impl Into<PossibleValue>>
Implement Display and FromStr for ColorChoice

Fixes

Remove soundness issue by switching from atty to is-terminal

`v4.0.26`

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Fixes

(error) Fix typos in ContextKind::as_str

`v4.0.25`

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Features

(error) Report available subcommands when required subcommand is missing

`v4.0.24`

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Fixes

Avoid panic when printing an argument that isn't built

`v4.0.23`

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Fixes

Don't panic on reporting invalid-long errors when followed by invalid UTF8
(help) Clarified argument to help subcommand

`v4.0.22`

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Fixes

(help) Don't overflow into next-line-help early due to stale (pre-v4) padding calculations

`v4.0.21`

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Features

(derive) long_about and long_help attributes, without a value, force using doc comment (before it wouldn't be set if there wasn't anything different than the short help)

`v4.0.20`

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Fixes

(derive) Allow defaulted value parser for '()' fields

`v4.0.19`

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Features

ColorChoice now implements ValueEnum

`v4.0.18`

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Fixes

(derive) Allow #[command(skip)] to also work with enum variants with a value

`v4.0.17`

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Fixes

Allow using Arg::last(true) with Arg::value_hint(ValueHint::CommandWithArguments)

`v4.0.16`

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Fixes

Arg::exclusive(true) should not be exclusive with the argument's own ArgGroup

`v4.0.15`

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Fixes

(error) Don't suggest -- when it doesn't help
(error) Be more consistent in quoting, punctuation, and indentation in errors

`v4.0.14`

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Fixes

Only put ArgGroup in ArgMatches when explicitly specified, fixing derives handling of option-flattened fields (#4375)

`v4.0.13`

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Features

(derive) Allow () for fields to mean "don't read" (#4371)

`v4.0.12`

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Features

Added TypedValueParser::try_map for when adapting an existing TypedValueParser can fail
(error) Create errors like clap with Error::new, Error::with_cmd, and Error::insert

`v4.0.11`

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Fixes

(help) Fix wrapping calculations with ANSI escape codes

`v4.0.10`

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Features

(derive) Support #[arg(flatten)] on Option types (#4211, #4350)

`v4.0.9`

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Fixes

(derive) Process doc comments for #[command(subcommand)] like in clap v3

`v4.0.8`

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Fixes

(derive) Remove a low-value assert preventing defaulting Help and Version actions

`v4.0.7`

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Features

(derive) Populate implicit ArgGroup (#3165)

Fixes

(derive) Support #[group(skip)] on Parser derive
(derive) Tell users about implicit arg groups when running into group name conflicts
(error) Don't report unrelated groups in conflict or requires errors

`v4.0.6`

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Features

(derive) Support #[group(skip)] (#4279, #4301)

`v4.0.5`

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`v4.0.4`

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Fixes

(error) Specialize the self-conflict error to look like clap v3

`v4.0.3`

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Fixes

(parser) When overriding required(true), consider args that conflict with its group

`v4.0.2`

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`v4.0.1`

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Features

ColorChoice now implements ValueEnum

`v4.0.0`

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Highlights

Arg::num_args(range)

Clap has had several ways for controlling how many values will be captured without always being clear on how they interacted, including

Arg::multiple_values(true)
Arg::number_of_values(4)
Arg::min_values(2)
Arg::max_values(20)
Arg::takes_value(true)

These have now all been collapsed into Arg::num_args which accepts both
single values and ranges of values. num_args controls how many raw arguments
on the command line will be captured as values per occurrence and independent
of value delimiters.

See Issue 2688 for more background.

Polishing Help

Clap strives to give a polished CLI experience out of the box with little
ceremony. With some feedback that has accumulated over time, we took this
release as an opportunity to re-evaluate our --help output to make sure it is
meeting that goal.

In doing this evaluation, we wanted to keep in mind:

Whether other CLIs had ideas that make sense to apply
Providing an experience that fits within the rest of applications and works across all shells

Before:

git
A fictional versioning CLI

USAGE:
    git <SUBCOMMAND>

OPTIONS:
    -h, --help    Print help information

SUBCOMMANDS:
    add      adds things
    clone    Clones repos
    help     Print this message or the help of the given subcommand(s)
    push     pushes things
    stash

After:

A fictional versioning CLI

Usage: git <COMMAND>

Commands:
  clone  Clones repos
  push   pushes things
  add    adds things
  stash
  help   Print this message or the help of the given subcommand(s)

Options:
  -h, --help  Print help information

name/version header was removed because we couldn't justify the space it occupied when
- Usage already includes the name
- --version is available for showing the same thing (if the program has a version set)
Usage was dropped to one line to save space
Focus is put on the subcommands
Headings are now Title case
The more general term "command" is used rather than being explicit about being "subcommands"
The output is more dense with the expectation that it won't affect legibility but will allow more content
We've moved to a more neutral palette for highlighting elements (not highlighted above)

In talking to users, we found some that liked clap's man-like experience.
When deviating from this, we are making the assumption that those are more
power users and that the majority of users wouldn't look as favorably on being
consistent with man.

See Issue 4132 for more background.

More Dynamicism

Clap's API has focused on &str for performance but this can make
dealing with owned data difficult, like #[arg(default_value_t)] generating a
String from the default value.

Additionally, to avoid ArgMatches from borrowing (and for some features we
decided to forgo), clap took the &str argument IDs and hashed them. This
prevented us from providing a usable API for iterating over existing arguments.

Now clap has switched to a string newtype that gives us the flexibility to
decide whether to use &'static str, Cow<'static, str> for fast dynamic behavior, or
Box<str> for dynamic behavior with small binary size.

As an extension of that work, you can now call ArgMatches::ids to iterate
over the arguments and groups that were found when parsing. The newtype Id
was used to prevent some classes of bugs and to make it easier to understand
when opaque Ids are used vs user-visible strings.

Clearing Out Deprecations

Instead of doing all development on clap 4.0.0, we implemented a lot of new features during clap 3's development, deprecating the old API while introducing the new API, including:

Replacing the implicit behavior for args when parsing them with ArgAction
Replacing various one-off forms of value validation with the ValueParser API
- Allowing derives to automatically do the right thing for PathBuf (allowing invalid UTF-8)
Replacing AppSettings and ArgSettings enums with getters/setters
Clarifying terms and making them more consistent

Migrating

Steps:

Upgrade to v3 if you haven't already
Add CLI tests (including example below), -h and --help output at a minimum (recommendation: trycmd for snapshot testing)
If using Builder API: Explicitly set the arg.action(ArgAction::...) on each argument (StoreValue for options and IncOccurrences for flags)
Run cargo check --features clap/deprecated and resolve all deprecation warnings
Upgrade to v4
Update feature flags

If default-features = false, run cargo add clap -F help,usage,error-context
Run cargo add clap -F wrap_help unless you want to hard code line wraps

Resolve compiler errors
Resolve behavior changes (see "subtle changes" under BREAKING CHANGES)
At your leisure: resolve new deprecation notices

Example test (derive):

#[derive(clap::Parser)]
struct Cli {
    ...
}

#[test]
fn verify_cli() {
    use clap::CommandFactory;
    Cli::command().debug_assert()
}

Example test (builder):

fn cli() -> clap::Command {
    ...
}

#[test]
fn verify_cli() {
    cli().debug_assert();
}

Note: the idiomatic / recommended way of specifying different types of args in the Builder API has changed:

Before

.arg(Arg::new("flag").long("flag"))  # --flag
.arg(Arg::new("option").long("option").takes_value(true))  # --option <option>

After:

.arg(Arg::new("flag").long("flag").action(ArgAction::SetTrue))  # --flag
.arg(Arg::new("option").long("option"))  # --option <option>

In particular, num_args (the replacement for takes_value) will default appropriately
from the ArgAction and generally only needs to be set explicitly for the
other num_args use cases.

Breaking Changes

Subtle changes (i.e. compiler won't catch):

arg! now sets one of (#3795):
- ArgAction::SetTrue, requiring ArgMatches::get_flag instead of ArgMatches::is_present
- ArgAction::Count, requiring ArgMatches::get_count instead of ArgMatches::occurrences_of
- ArgAction::Set, requiring ArgMatches::get_one instead of ArgMatches::value_of
- ArgAction::Append, requiring ArgMatches::get_many instead of ArgMatches::values_of
ArgAction::Set, ArgAction::SetTrue, and Arg::Action::SetFalse now
conflict by default to be like ArgAction::StoreValue and
ArgAction::IncOccurrences, requiring cmd.args_override_self(true) to override instead (#4261)
By default, an Args default action is ArgAction::Set, rather than ArgAction::IncOccurrence to reduce confusing magic through consistency (#2687, #4032, see also #3977)
mut_arg can no longer be used to customize help and version arguments, instead disable them (Command::disable_help_flag, Command::disable_version_flag) and provide your own (#4056)
Removed lifetimes from Command, Arg, ArgGroup, and PossibleValue, assuming 'static. string feature flag will enable support for Strings (#1041, #2150, #4223)
arg!(--flag <value>) is now optional, instead of required. Add .required(true) at the end to restore the original behavior (#4206)
Added default feature flags, help, usage and error-context, requiring adding them back in if default-features = false (#4236)
(parser) Always fill in "" argument for external subcommands to make it easier to distinguish them from built-in commands (#3263)
(parser) Short flags now have higher precedence than hyphen values with Arg::allow_hyphen_values, to be consistent with Command::allow_hyphen_values (#4187)
(parser) Arg::value_terminator must be its own argument on the CLI rather than being in a delimited list (#4025)
(help) Line wrapping of help is now behind the existing wrap_help feature flag, either enable it or hard code your wraps (#4258)
(help) Make DeriveDisplayOrder the default and removed the setting. To sort help, set next_display_order(None) (#2808)
(help) Subcommand display order respects Command::next_display_order instead of DeriveDisplayOrder and using its own initial display order value (#2808)
(help) Subcommands are now listed before arguments. To get the old behavior, see Command::help_template (#4132)
(help) Help headings are now title cased, making any user-provided help headings inconsistent. To get the old behavior, see `Command::help_

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