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Adjusting help message #4812

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Adjusting help message #4812

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12 changes: 10 additions & 2 deletions src/bin/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -178,10 +178,18 @@ fn make_opts() -> Options {
opts.optflag("v", "verbose", "Print verbose output");
opts.optflag("q", "quiet", "Print less output");
opts.optflag("V", "version", "Show version information");
let help_topics = if is_nightly {
"`config` or `file-lines`"
} else {
"`config`"
};
let mut help_topic_msg = "Show this message or help about a specific topic: ".to_owned();
help_topic_msg.push_str(help_topics);

opts.optflagopt(
"h",
"help",
"Show this message or help about a specific topic: `config` or `file-lines`",
&help_topic_msg,
"=TOPIC",
);

Expand Down Expand Up @@ -437,7 +445,7 @@ fn determine_operation(matches: &Matches) -> Result<Operation, OperationError> {
return Ok(Operation::Help(HelpOp::None));
} else if topic == Some("config".to_owned()) {
return Ok(Operation::Help(HelpOp::Config));
} else if topic == Some("file-lines".to_owned()) {
} else if topic == Some("file-lines".to_owned()) && is_nightly() {
return Ok(Operation::Help(HelpOp::FileLines));
} else {
return Err(OperationError::UnknownHelpTopic(topic.unwrap()));
Expand Down