forked from mirror/pkger
22 lines
368 B
Go
22 lines
368 B
Go
package main
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import (
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"flag"
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"fmt"
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"io"
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)
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func Usage(w io.Writer, f *flag.FlagSet) func() {
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return func() {
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pre := "pkger "
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if f.Name() == "pkger" {
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pre = ""
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}
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fmt.Fprintf(w, "%s%s [flags] [args...]\n", pre, f.Name())
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f.VisitAll(func(fl *flag.Flag) {
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fmt.Fprintf(w, "\t-%s\t%s (%q)\n", fl.Name, fl.Usage, fl.DefValue)
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})
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fmt.Fprintln(w)
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}
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}
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