--help does not show subcommand description if there are any other parameters present

[senia-psm]

Reproducer:

  private val param = Options.text("param")

  override def cliApp: CliApp[Any with ZIOAppArgs with Scope, Any, Any] =
    CliApp.make(
      "test",
      "0.1.0",
      HelpDoc.Span.text("Reproduce --help issue"),
      command = Command("test", param).subcommands(
        Command("a")
          .subcommands(
            Command("b")
          )
          .map { _ => () }
      )
    ) { _ => ZIO.unit    }

Expected behaviour: result for a --help and --param text a --help should be the same - help for a subcommand.

Actual result: --param text a --help shows root doc instead.

Correct result:

$ ./bin/test a --help
...

USAGE

  $ test a b

COMMANDS

  b  

Incorrect result:

$ ./bin/test --param text a --help
...
USAGE

  $ test --param text a b

OPTIONS

  --param text
    A user-defined piece of text.

COMMANDS

  a  

See minimal reproducer here: https://github.com/senia-psm/zio-cli-222

[jdegoes]

/bounty $100

[algora-pbc]

💎 $100 bounty • ZIO

Steps to solve:

1. Start working: Comment /attempt #222 with your implementation plan
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Attempt	Started (GMT+0)	Solution
🟢 @pablf		#295

[ithinkicancode]

@jdegoes @adamgfraser Please assign this to me.

[adamgfraser]

@ithinkicancode Done!

[algora-pbc]

💡 @pablf submitted a pull request that claims the bounty. You can visit your bounty board to reward.