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| author | Michael Howell <michael@notriddle.com> | 2022-06-20 11:04:34 -0700 |
|---|---|---|
| committer | Michael Howell <michael@notriddle.com> | 2022-07-09 09:49:05 -0700 |
| commit | 921aa50d184e6ccd4a9dd7fc8bf4f6393f30b3f7 (patch) | |
| tree | d14b1f7a52a83142b61a9eccc22e8b3ea3a8240d | |
| parent | 271bad9b08ec51cfd9236359b9fe6234e7fe4d48 (diff) | |
| download | rust-921aa50d184e6ccd4a9dd7fc8bf4f6393f30b3f7.tar.gz rust-921aa50d184e6ccd4a9dd7fc8bf4f6393f30b3f7.zip | |
Fix epage's nits
* Use real newlines in command descriptions * Make `--dest-dir` optional * Show help message when no subcommand is supplied
| -rw-r--r-- | src/tools/rustbook/src/main.rs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/tools/rustbook/src/main.rs b/src/tools/rustbook/src/main.rs index fe7d8d9afe3..3c7dc0183d7 100644 --- a/src/tools/rustbook/src/main.rs +++ b/src/tools/rustbook/src/main.rs @@ -12,15 +12,17 @@ fn main() { let crate_version = format!("v{}", crate_version!()); env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("warn")).init(); let d_arg = arg!(-d --"dest-dir" <DEST_DIR> -"The output directory for your book{n}(Defaults to ./book when omitted)"); +"The output directory for your book\n(Defaults to ./book when omitted)") + .required(false); let dir_arg = arg!([dir] -"A directory for your book{n}(Defaults to Current Directory when omitted)"); +"A directory for your book\n(Defaults to Current Directory when omitted)"); let matches = Command::new("rustbook") .about("Build a book with mdBook") .author("Steve Klabnik <steve@steveklabnik.com>") .version(&*crate_version) .subcommand_required(true) + .arg_required_else_help(true) .subcommand( Command::new("build") .about("Build the book from the markdown files") |