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Reorder flags in nu --help (#7672)

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The ordering of flags in `nu --help` was a bit of a mess; I think it
grew organically over time. Related commands (like
`--config`/`--env-config`/`--plugin-config`) weren't grouped together,
common flags weren't near the top, and we weren't following alphabetical
ordering.

### Before

```bash
Flags:
  -h, --help - Display the help message for this command
  --stdin - redirect standard input to a command (with `-c`) or a script file
  -l, --login - start as a login shell
  -i, --interactive - start as an interactive shell
  -v, --version - print the version
  --testbin <String> - run internal test binary
  -c, --commands <String> - run the given commands and then exit
  --config <String> - start with an alternate config file
  --env-config <String> - start with an alternate environment config file
  --log-level <String> - log level for diagnostic logs (error, warn, info, debug, trace). Off by default
  --log-target <String> - set the target for the log to output. stdout, stderr(default), mixed or file
  -e, --execute <String> - run the given commands and then enter an interactive shell
  -t, --threads <Int> - threads to use for parallel commands
  -m, --table-mode <String> - the table mode to use. rounded is default.
  --plugin-config <String> - start with an alternate plugin signature file
```

### After

```bash
Flags:
  -h, --help - Display the help message for this command
  -c, --commands <String> - run the given commands and then exit
  -e, --execute <String> - run the given commands and then enter an interactive shell
  -i, --interactive - start as an interactive shell
  -l, --login - start as a login shell
  -m, --table-mode <String> - the table mode to use. rounded is default.
  -t, --threads <Int> - threads to use for parallel commands
  -v, --version - print the version
  --config <String> - start with an alternate config file
  --env-config <String> - start with an alternate environment config file
  --plugin-config <String> - start with an alternate plugin signature file
  --log-level <String> - log level for diagnostic logs (error, warn, info, debug, trace). Off by default
  --log-target <String> - set the target for the log to output. stdout, stderr(default), mixed or file
  --stdin - redirect standard input to a command (with `-c`) or a script file
  --testbin <String> - run internal test binary
```

The new ordering:

1. Groups commands with short flags together, sorted alphabetically by
short flag
1. Groups commands with only long flags together, sorted alphabetically
(with the exception of `--plugin-config` so we can keep related flags
together)

Conveniently, this puts the very commonly used `-c` at the top and the
very rarely used `--testbin` at the bottom.
This commit is contained in:
Reilly Wood 2023-01-03 16:18:37 -08:00 committed by GitHub
parent 249afc5df4
commit 7bd07cb351
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 43 additions and 44 deletions
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87
src/main.rs
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@ -646,28 +646,35 @@ impl Command for Nu {
}
fn signature(&self) -> Signature {
let signature = Signature::build("nu")
let mut signature = Signature::build("nu")
.usage("The nushell language and shell.")
.switch(
"stdin",
"redirect standard input to a command (with `-c`) or a script file",
None,
)
.switch("login", "start as a login shell", Some('l'))
.switch("interactive", "start as an interactive shell", Some('i'))
.switch("version", "print the version", Some('v'))
.named(
"testbin",
SyntaxShape::String,
"run internal test binary",
None,
)
.named(
"commands",
SyntaxShape::String,
"run the given commands and then exit",
Some('c'),
)
.named(
"execute",
SyntaxShape::String,
"run the given commands and then enter an interactive shell",
Some('e'),
)
.switch("interactive", "start as an interactive shell", Some('i'))
.switch("login", "start as a login shell", Some('l'))
.named(
"table-mode",
SyntaxShape::String,
"the table mode to use. rounded is default.",
Some('m'),
)
.named(
"threads",
SyntaxShape::Int,
"threads to use for parallel commands",
Some('t'),
)
.switch("version", "print the version", Some('v'))
.named(
"config",
SyntaxShape::String,
@ -679,7 +686,19 @@ impl Command for Nu {
SyntaxShape::String,
"start with an alternate environment config file",
None,
)
);
#[cfg(feature = "plugin")]
{
signature = signature.named(
"plugin-config",
SyntaxShape::String,
"start with an alternate plugin signature file",
None,
);
}
signature = signature
.named(
"log-level",
SyntaxShape::String,
@ -692,23 +711,16 @@ impl Command for Nu {
"set the target for the log to output. stdout, stderr(default), mixed or file",
None,
)
.named(
"execute",
SyntaxShape::String,
"run the given commands and then enter an interactive shell",
Some('e'),
.switch(
"stdin",
"redirect standard input to a command (with `-c`) or a script file",
None,
)
.named(
"threads",
SyntaxShape::Int,
"threads to use for parallel commands",
Some('t'),
)
.named(
"table-mode",
"testbin",
SyntaxShape::String,
"the table mode to use. rounded is default.",
Some('m'),
"run internal test binary",
None,
)
.optional(
"script file",
@ -722,20 +734,7 @@ impl Command for Nu {
)
.category(Category::System);
#[cfg(feature = "plugin")]
{
signature.named(
"plugin-config",
SyntaxShape::String,
"start with an alternate plugin signature file",
None,
)
}
#[cfg(not(feature = "plugin"))]
{
signature
}
signature
}
fn usage(&self) -> &str {