func licenses(w io.Writer) {
out := `
github.com/ulikunitz/xz -- xz for Go
====================================
{{.xz}}
Go Programming Language
=======================
The lzmago program contains the packages gflag and xlog that are
extensions of packages from the Go standard library. The packages may
contain code from those packages.
{{.go}}
`
out = strings.TrimLeft(out, " \n")
tmpl, err := template.New("licenses").Parse(out)
if err != nil {
xlog.Panicf("error %s parsing licenses template", err)
}
lmap := map[string]string{
"xz": strings.TrimSpace(xzLicense),
"go": strings.TrimSpace(goLicense),
}
if err = tmpl.Execute(w, lmap); err != nil {
xlog.Fatalf("error %s writing licenses template", err)
}
}
func (o *options) Init() {
if o.preset != 0 {
xlog.Panicf("options are already initialized")
}
gflag.BoolVarP(&o.help, "help", "h", false, "")
gflag.BoolVarP(&o.stdout, "stdout", "c", false, "")
gflag.BoolVarP(&o.decompress, "decompress", "d", false, "")
gflag.BoolVarP(&o.force, "force", "f", false, "")
gflag.BoolVarP(&o.keep, "keep", "k", false, "")
gflag.BoolVarP(&o.license, "license", "L", false, "")
gflag.BoolVarP(&o.version, "version", "V", false, "")
gflag.CounterVarP(&o.quiet, "quiet", "q", 0, "")
gflag.CounterVarP(&o.verbose, "verbose", "v", 0, "")
gflag.PresetVar(&o.preset, 0, 9, 6, "")
}