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Code to show help

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This commit is contained in:
Kovid Goyal
2022-10-13 21:07:17 +05:30
parent 9419fbc77c
commit 59edf1d349
2 changed files with 40 additions and 2 deletions
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7
tools/cli/help.go
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@@ -89,6 +89,10 @@ func (self *Option) FormatOption(output io.Writer, formatter *markup.Context, sc
}
func (self *Command) ShowHelp() {
self.ShowHelpWithCommandString(strings.TrimSpace(self.CommandStringForUsage()))
}
func (self *Command) ShowHelpWithCommandString(cs string) {
formatter := markup.New(tty.IsTerminal(os.Stdout.Fd()))
screen_width := 80
if formatter.EscapeCodesAllowed() {
@@ -106,8 +110,7 @@ func (self *Command) ShowHelp() {
}
var output strings.Builder
fmt.Fprintln(&output, formatter.Title("Usage")+":", formatter.Exe(strings.TrimSpace(self.CommandStringForUsage())),
strings.TrimSpace(formatter.Prettify(self.Usage)))
fmt.Fprintln(&output, formatter.Title("Usage")+":", formatter.Exe(cs), strings.TrimSpace(formatter.Prettify(self.Usage)))
fmt.Fprintln(&output)
if self.HelpText != "" {
format_with_indent(&output, formatter.Prettify(prepare_help_text_for_display(self.HelpText)), "", screen_width)