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cli: fix bug that caused help to panic (#11157)

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zakuro 2021-08-12 15:25:28 +09:00 • committed by GitHub
parent 12fb4655f5
commit 9c74fb0449
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2 changed files with 71 additions and 1 deletions
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7
vlib/cli/help.v
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@ -78,7 +78,9 @@ fn (cmd Command) help_message() string {
mut name_len := cli.min_description_indent_len
if cmd.posix_mode {
for flag in cmd.flags {
abbrev_len = max(abbrev_len, flag.abbrev.len + cli.spacing + 1) // + 1 for '-' in front
if flag.abbrev != '' {
abbrev_len = max(abbrev_len, flag.abbrev.len + cli.spacing + 1) // + 1 for '-' in front
}
name_len = max(name_len, abbrev_len + flag.name.len + cli.spacing + 2) // + 2 for '--' in front
}
for command in cmd.commands {
@ -86,6 +88,9 @@ fn (cmd Command) help_message() string {
}
} else {
for flag in cmd.flags {
if flag.abbrev != '' {
abbrev_len = max(abbrev_len, flag.abbrev.len + cli.spacing + 1) // + 1 for '-' in front
}
name_len = max(name_len, abbrev_len + flag.name.len + cli.spacing + 1) // + 1 for '-' in front
}
for command in cmd.commands {