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Don't print description in help if none exists (#2915)

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Coen Fox 2021-01-13 05:27:48 +11:00 committed by GitHub
parent d19314fe3a
commit 3be198d2f5
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1 changed files with 6 additions and 3 deletions
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9
crates/nu-engine/src/documentation.rs
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@ -127,8 +127,11 @@ pub fn get_documentation(
let signature = cmd.signature(); let signature = cmd.signature();
let mut long_desc = String::new(); let mut long_desc = String::new();
long_desc.push_str(&cmd.usage()); let usage = &cmd.usage();
long_desc.push('\n'); if !usage.is_empty() {
long_desc.push_str(usage);
long_desc.push_str("\n\n");
}
let mut subcommands = vec![]; let mut subcommands = vec![];
if !config.no_subcommands { if !config.no_subcommands {
@ -168,7 +171,7 @@ pub fn get_documentation(
one_liner.push_str("{flags} "); one_liner.push_str("{flags} ");
} }
long_desc.push_str(&format!("\nUsage:\n > {}\n", one_liner)); long_desc.push_str(&format!("Usage:\n > {}\n", one_liner));
if !subcommands.is_empty() { if !subcommands.is_empty() {
long_desc.push_str("\nSubcommands:\n"); long_desc.push_str("\nSubcommands:\n");