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Author SHA1 Message Date
Alec Thomas c494f8b8f3 Support required combined with xor groups. 
Fixes #112.
 2021-06-21 19:25:54 +09:30
Alec Thomas 54558f65e8 Allow multiple xor:"" groups to be defined. 
Fixes #113.
 2021-06-21 19:04:54 +09:30
Alec Thomas 8aa52739ea Don't fail on required positional arguments that have envars. 
Fixes #153.
Fixes #120.
 2021-06-21 17:13:39 +09:30
Evgeny a8244400e3 DefaultEnvars option (#177) 2021-06-20 20:27:56 +10:00
Kartikaya Gupta 2d879d2037 Add an option to clamp the help wrap width 
This is nice to have because on really wide screens the default
terminal-width wrapping can be a little unpleasant to read.
 2021-06-16 23:06:43 +10:00
Alec Thomas 33ce628ecd Hermitise CI. 2021-06-09 13:13:50 +10:00
Alec Thomas 8cbf5a6c03 Validate short flags are a single rune. 
Fixes #175.
 2021-06-09 13:11:49 +10:00
Alec Thomas ff93d67a8d Validate duplicate short flags. 
Fixes #174.
 2021-06-09 13:01:16 +10:00
Alec Thomas 6cebaa7b85 Hermitise and bump golangci-lint. 2021-06-09 12:48:47 +10:00
Alec Thomas c4a8cb03a7 Update docs. 2021-06-07 08:56:11 +10:00
Mary Fesenko 1f5bbd5559 Fix issue with negatable flag being negated twice (#171) 2021-05-22 21:50:50 +10:00
andrewbaxter b3bdeb18e2 Fixes #125: Support custom per-mapper placeholder text (#169) 2021-05-17 21:31:07 +10:00
Toshimaru 9c81441ae0 Update go modules (#165) 2021-05-03 14:16:08 +10:00
Alec Thomas 2e611623a7 Don't display placeholder for counters. 
Fixes #164.
 2021-04-18 10:05:26 +10:00
Fabian Gutierrez 8d859b918f Add some details to the ignore field example 2021-04-15 06:28:14 +10:00
Rene Zbinden 5fd7249c69 fix panic resolver's configuration file does not have read permission 2021-04-14 19:39:32 +10:00
Franklin "Snaipe" Mathieu d4dd709445 tag: add passthrough for positional arguments 
This new tag tells the parser to stop processing flags after the
positional argument is encountered.

This is particularly useful for subcommands that forward their arguments
to an external program, and makes it possible to implement commands
like `kubectl exec` or `docker run`.

Fixes #80.
 2021-04-06 07:53:16 +10:00
Alec Thomas 49417fe966 Add support for dynamically registered commands. 2021-04-02 11:38:24 +11:00
Saj Goonatilleke 57bfb058d5 mapper: correct text/binary typo 
Fixes a panic when attempting to make use of pointers to types that
implement encoding.BinaryUnmarshaler.  e.g.:

    type SomeBinaryFlag struct{}

    func (f *SomeBinaryFlag) UnmarshalBinary(data []byte) error {
	    // ...
	    return nil
    }

    var cli struct {
	    Binary *SomeBinaryFlag
    }
 2021-03-18 06:11:20 +11:00
Alec Thomas 0c83d0f8dc Lint fix. 2021-03-13 21:13:23 +11:00
Alec Thomas 93f73cf38c Display multiple optional args in a more expected way. 
Previously:

    Usage: command [<one>] [<two>]

Now:

    Usage: command [<one> [<two>]]

Thanks to @juliaogris for the inspiration!
 2021-03-13 20:30:28 +11:00
Dustin Spicuzza 09467435e1 Add option to not expand subcommand help 2021-03-13 16:41:08 +11:00
Andrew Haines 456575db97 Allow - for stdout in path mapper (#147) 2021-03-02 16:26:10 +11:00
Joe Schmitt d48f4e59c3 Add negatable output when using short flag names 2021-03-02 10:36:13 +11:00
Joe Schmitt ed24960916 Implement code review feedback 2021-03-02 10:36:13 +11:00
Joe Schmitt 454f2c067e Add test case for inverting the negation 
Not sure why anyone would do this, but it's covered now.
 2021-03-02 10:36:13 +11:00
Joe Schmitt 2fdddc4f51 Add negatable tag to set a bool to be negatable. 
If negatable, add `--[no-]` prefix to help.
 2021-03-02 10:36:13 +11:00
Joe Schmitt 2a0d7af9c5 Add support for negated boolean flags 
Will automatically set a boolean Struct field to false if the flag starts with `--no-`, even when the default is `true`.

For example:
```
type Cmd struct {
  Output bool `default:"true"`
}
```

Calling
```
command
```
Will set `Output` to `true`, but
```
command --no-output
```
Will set `Output` to `false`.
 2021-03-02 10:36:13 +11:00
Alec Thomas 541ee3302f Create FUNDING.yml 2021-03-01 16:59:26 +11:00
Julia Ogris 1300b2a3bd options: Add kong.ShortUsageOnError() option 
Add kong.ShortUsageOnError() option similar to kong.UsageOnError().
Add tests for UsageOnError and ShortUsageOnError.

Remove the HelpOption summary reset at the beginning of DefaultHelpPrinter:

	 func DefaultHelpPrinter(options HelpOptions, ctx *Context) error {
	-       if ctx.Empty() {
	-               options.Summary = false
	-       }

⚠️ I'm not really sure what the implications of this are, tests still
seem to pass, but maybe this has unintended side effects.
 2021-02-16 16:25:07 +11:00
Joe Schmitt f306ae1529 Add aliases to tree help output 2021-02-13 06:37:48 +11:00
Jaco Coetzee 405b2f4fd9 Help Option to position flags in help output 
When FlagsLast is set to true, flags are printed after commands.

- Added HelpOptions.FlagsLast bool
- Added test TestFlagsLast
 2021-02-09 19:25:17 +11:00
Alec Thomas abbc2dfc2c More group formatting tweaks. 2021-02-09 15:23:05 +11:00
Alec Thomas 294d1d1717 Add a bit of extra spacing if group description is provided. 
See #135.
 2021-02-09 15:17:29 +11:00
Alec Thomas 7e27c8ecf5 Support a simplified kong.Groups{<key>: <title>} way of specifiying groups. 
See #135.
 2021-02-09 15:08:22 +11:00
Mickaël Menu b68e1aba63 Add support for groups in the default HelpPrinter (#135) 2021-02-09 06:58:43 +11:00
Joe Schmitt 2479d83cc0 Add support for command aliases (#130) 2021-01-11 07:36:13 +11:00
Alec Thomas d78d607800 Fully describe how help is generated. 
See #29.
 2020-12-06 14:59:38 +11:00
Alec Thomas 3d57e73d11 Ensure values aren't nil before decoding. 2020-12-04 16:20:06 +11:00
Sarah Franc 5a9b3ae012 Fix return err for PrintUsage 2020-11-12 11:32:37 +11:00
Alec Thomas 26524e0cc1 Actually test filename. 2020-10-30 15:36:16 +11:00
Alec Thomas 8bf0a335db Add NamedFileContentFlag. 2020-10-30 15:26:38 +11:00
Alec Thomas 097bba54ec Revert UsageOnMissing. 
This was breaking UsageOnMissing() when combined with validation of
positional arguments, in that it was allowing positional arguments to be
omitted. It also broke UsageOnMissing() somehow so that it did not work.
 2020-10-27 17:33:46 +11:00
Alec Thomas 73064c7b8f Fix README again. 2020-10-21 20:26:16 +11:00
Alec Thomas 74d8f6d21b Unbreak README. 2020-10-21 19:38:05 +11:00
Alec Thomas 38db823367 Call Validate() functions on nodes if present. 2020-10-21 19:14:31 +11:00
hasheddan a062611ecf Do not run parent node on missing child err with usageOnMissing option 
Refactors usageOnMissing option to not run parent commands after
printing usage when a child node is missing.

Signed-off-by: hasheddan <georgedanielmangum@gmail.com>
 2020-10-20 09:44:46 +11:00
Sven Nebel 5b3fd5476a Refactor k.FatalIfErrorf to use k.Fatalf 2020-10-11 07:44:14 +11:00
hasheddan 5cf89d77b1 Fix minor typo in README 
Corrects mapperss to mappers.

Signed-off-by: hasheddan <georgedanielmangum@gmail.com>
 2020-10-08 12:29:02 +11:00
Alec Thomas 259d19076d Add support for plugins. 2020-09-16 16:41:18 +10:00