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https://github.com/clap-rs/clap
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c90a4eabae
In looking at other help output, I noticed that they use two spaces, in place of clap's 4, and it doesn't suffer from legibility. If it doesn't make the output worse, let's go ahead and make it as dense so we fit more content on the screen. This is a part of #4132
2.6 KiB
2.6 KiB
This requires enabling the [derive feature flag][crate::_features].
Git is an example of several common subcommand patterns.
Help:
$ git-derive
? failed
A fictional versioning CLI
Usage: git-derive[EXE] <COMMAND>
Commands:
clone Clones repos
diff Compare two commits
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
$ git-derive help
A fictional versioning CLI
Usage: git-derive[EXE] <COMMAND>
Commands:
clone Clones repos
diff Compare two commits
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
$ git-derive help add
adds things
Usage: git-derive[EXE] add <PATH>...
Arguments:
<PATH>... Stuff to add
Options:
-h, --help Print help information
A basic argument:
$ git-derive add
? failed
adds things
Usage: git-derive[EXE] add <PATH>...
Arguments:
<PATH>... Stuff to add
Options:
-h, --help Print help information
$ git-derive add Cargo.toml Cargo.lock
Adding ["Cargo.toml", "Cargo.lock"]
Default subcommand:
$ git-derive stash -h
Usage: git-derive[EXE] stash [OPTIONS]
git-derive[EXE] stash <COMMAND>
Commands:
push
pop
apply
help Print this message or the help of the given subcommand(s)
Options:
-m, --message <MESSAGE>
-h, --help Print help information
$ git-derive stash push -h
Usage: git-derive[EXE] stash push [OPTIONS]
Options:
-m, --message <MESSAGE>
-h, --help Print help information
$ git-derive stash pop -h
Usage: git-derive[EXE] stash pop [STASH]
Arguments:
[STASH]
Options:
-h, --help Print help information
$ git-derive stash -m "Prototype"
Pushing StashPush { message: Some("Prototype") }
$ git-derive stash pop
Popping None
$ git-derive stash push -m "Prototype"
Pushing StashPush { message: Some("Prototype") }
$ git-derive stash pop
Popping None
External subcommands:
$ git-derive custom-tool arg1 --foo bar
Calling out to "custom-tool" with ["arg1", "--foo", "bar"]
Last argument:
$ git-derive diff --help
Compare two commits
Usage: git-derive[EXE] diff [COMMIT] [COMMIT] [-- <PATH>]
Arguments:
[COMMIT]
[COMMIT]
[PATH]
Options:
-h, --help Print help information
$ git-derive diff
Diffing stage..worktree
$ git-derive diff ./src
Diffing stage..worktree ./src
$ git-derive diff HEAD ./src
Diffing HEAD..worktree ./src
$ git-derive diff HEAD~~ -- HEAD
Diffing HEAD~~..worktree HEAD