Git is an example of several common subcommand patterns.
Help:
$ git
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A fictional versioning CLI
Usage:
git[EXE] <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
$ git help
A fictional versioning CLI
Usage:
git[EXE] <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
$ git help add
adds things
Usage:
git[EXE] add <PATH>...
Arguments:
<PATH>... Stuff to add
Options:
-h, --help Print help information
A basic argument:
$ git add
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adds things
Usage:
git[EXE] add <PATH>...
Arguments:
<PATH>... Stuff to add
Options:
-h, --help Print help information
$ git add Cargo.toml Cargo.lock
Adding ["Cargo.toml", "Cargo.lock"]
Default subcommand:
$ git stash -h
Usage:
git[EXE] stash [OPTIONS]
git[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 stash push -h
Usage:
git[EXE] stash push [OPTIONS]
Options:
-m, --message <MESSAGE>
-h, --help Print help information
$ git stash pop -h
Usage:
git[EXE] stash pop [STASH]
Arguments:
[STASH]
Options:
-h, --help Print help information
$ git stash -m "Prototype"
Pushing Some("Prototype")
$ git stash pop
Popping None
$ git stash push -m "Prototype"
Pushing Some("Prototype")
$ git stash pop
Popping None
External subcommands:
$ git custom-tool arg1 --foo bar
Calling out to "custom-tool" with ["arg1", "--foo", "bar"]