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Code Issues Projects Releases Wiki Activity

cli: improvements to help and error messages (#6375)

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This commit is contained in:
Lukas Neubert
2020-09-16 22:01:44 +02:00
committed by GitHub
parent 608df40058
commit 2464deec82
5 changed files with 27 additions and 27 deletions
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17
vlib/cli/help.v
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@ -63,15 +63,16 @@ fn (cmd Command) help_message() string {
if cmd.commands.len > 0 {
help += ' [commands]'
}
for i in 0 .. cmd.required_args {
help += ' <arg$i>'
}
if cmd.usage.len > 0 {
help += ' $cmd.usage'
} else {
for i in 0 .. cmd.required_args {
help += ' <arg$i>'
}
}
help += '\n\n'
help += '\n'
if cmd.description != '' {
help += '$cmd.description\n\n'
help += '\n$cmd.description\n'
}
mut abbrev_len := 0
mut name_len := min_description_indent_len
@ -92,7 +93,7 @@ fn (cmd Command) help_message() string {
}
}
if cmd.flags.len > 0 {
help += 'Flags:\n'
help += '\nFlags:\n'
for flag in cmd.flags {
mut flag_name := ''
if flag.abbrev != '' && cmd.flags.have_abbrev() {
@ -113,17 +114,15 @@ fn (cmd Command) help_message() string {
help += '$base_indent$flag_name$description_indent' + pretty_description(flag.description +
required, base_indent_len + name_len) + '\n'
}
help += '\n'
}
if cmd.commands.len > 0 {
help += 'Commands:\n'
help += '\nCommands:\n'
for command in cmd.commands {
base_indent := ' '.repeat(base_indent_len)
description_indent := ' '.repeat(name_len - command.name.len)
help += '$base_indent$command.name$description_indent' + pretty_description(command.description, name_len) +
'\n'
}
help += '\n'
}
return help
}