43 lines
996 B
Go
43 lines
996 B
Go
package main
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import (
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"html/template"
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"os"
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)
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// AppHelpTemplate is the text template to customise the Help output.
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// Uses text/template to render templates.
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var AppHelpTemplate = `NAME:
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{{.Name}} {{.Description}}
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USAGE:
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{{.Name}} [OPTIONS] [--] <arguments>
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VERSION:
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{{.Version}} Built at {{.Date}}
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EXAMPLES:
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doggo mrkaran.dev Query a domain using defaults
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doggo mrkaran.dev CNAME Looks up for a CNAME record.
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doggo mrkaran.dev MX @9.9.9.9 Uses a custom DNS resolver.
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doggo -q mrkaran.dev -t MX -n 1.1.1.1 Using named arguments
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`
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func renderCustomHelp() {
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helpTmplVars := map[string]string{
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"Name": "doggo",
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"Description": "DNS Client for Humans",
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"Version": buildVersion,
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"Date": buildDate,
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}
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tmpl, err := template.New("test").Parse(AppHelpTemplate)
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if err != nil {
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panic(err)
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}
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err = tmpl.Execute(os.Stdout, helpTmplVars)
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if err != nil {
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panic(err)
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}
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os.Exit(0)
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}
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