clap/examples/git.md
Ed Page befee6667b docs: Re-work examples
This creates distinct tutorial examples from complex feature examples
(more how-tos).  Both sets are getting builder / derive versions (at
least the critical ones).
2021-11-30 21:33:52 -06:00

79 lines
1.2 KiB
Markdown

*Jump to [source](git.rs)*
Git is an example of several common subcommand patterns.
Help:
```bash
$ git
? failed
git
A fictional versioning CLI
USAGE:
git[EXE] <SUBCOMMAND>
OPTIONS:
-h, --help Print help information
SUBCOMMANDS:
add adds things
clone Clones repos
help Print this message or the help of the given subcommand(s)
push pushes things
$ git help
git
A fictional versioning CLI
USAGE:
git[EXE] <SUBCOMMAND>
OPTIONS:
-h, --help Print help information
SUBCOMMANDS:
add adds things
clone Clones repos
help Print this message or the help of the given subcommand(s)
push pushes things
$ git help add
git[EXE]-add
adds things
USAGE:
git[EXE] add <PATH>...
ARGS:
<PATH>... Stuff to add
OPTIONS:
-h, --help Print help information
```
A basic argument:
```bash
$ git add
? failed
git[EXE]-add
adds things
USAGE:
git[EXE] add <PATH>...
ARGS:
<PATH>... Stuff to add
OPTIONS:
-h, --help Print help information
$ git add Cargo.toml Cargo.lock
Adding ["Cargo.toml", "Cargo.lock"]
```
External subcommands:
```bash
$ git custom-tool arg1 --foo bar
Calling out to "custom-tool" with ["arg1", "--foo", "bar"]
```