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schema: beautify parameter error output

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If there is only one error, output in a single line, without any
excessive newlines at the end. If there are multiple errors, show them
in a bulleted list.

Signed-off-by: Gabriel Goller <g.goller@proxmox.com>
This commit is contained in:
Gabriel Goller 2023-10-23 09:57:24 +02:00 committed by Thomas Lamprecht
parent 34e86078c2
commit c1c062bf56
1 changed files with 10 additions and 6 deletions
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16
proxmox-schema/src/schema.rs
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@ -101,14 +101,18 @@ impl fmt::Display for ParameterError {
let mut msg = String::new();
if !self.is_empty() {
msg.push_str("parameter verification errors\n\n");
if self.len() == 1 {
msg.push_str("parameter verification failed - ");
let _ = write!(msg, "'{}': {}", self.error_list[0].0, self.error_list[0].1);
} else {
msg.push_str("parameter verification failed:\n");
for (name, err) in self.error_list.iter() {
let _ = writeln!(msg, "- '{}': {}", name, err);
}
}
}
for (name, err) in self.error_list.iter() {
let _ = writeln!(msg, "parameter '{}': {}", name, err);
}
write!(f, "{}", msg)
write!(f, "{}", msg.trim())
}
}