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Fix breaking lines in examples.

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This commit is contained in:
Justus Winter 2024-07-11 15:42:02 +02:00
parent 272bda3703
commit ba5257b312
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GPG Key ID: 686F55B4AB2B3386
1 changed files with 10 additions and 3 deletions
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13
src/cli/examples.rs
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@ -67,7 +67,7 @@ impl<'a> IntoResettable<clap::builder::StyledStr> for Actions<'a> {
std::cmp::max(40, width)
}
} else {
72
default_width
};
let mut lines = vec![ "EXAMPLES:".to_string() ];
@ -87,6 +87,8 @@ impl<'a> IntoResettable<clap::builder::StyledStr> for Actions<'a> {
let command = example.command.iter()
.fold(vec!["$".to_string()], |mut s, arg| {
let first = s.len() == 1;
// Quote the argument, if necessary.
let arg = if arg.contains(&[
'\"',
@ -112,8 +114,13 @@ impl<'a> IntoResettable<clap::builder::StyledStr> for Actions<'a> {
// Our manpage generate complains if an
// example is too long:
//
// warning: Command in example exceeds 64 chars:
if last_chars + 1 + arg_chars <= width.min(64) {
// warning: Command in example exceeds 64 chars:
//
// or
//
// warning: Continuation in example exceeds 57 chars:
let max_width = if first { 64 } else { 57 };
if last_chars + 1 + arg_chars <= width.min(max_width) {
*last = format!("{} {}", last, arg);
} else {
*last = format!("{} \\", last);