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// !!! !!!
// WARNING: Code automatically generated. Editing discouraged.
// !!! !!!
package {{.PackageName}}
import (
"flag"
"fmt"
"os"
)
////////////////////////////////////////////////////////////////////////////
// Constant and data type/structure definitions
const progname = "{{.ProgramName}}" // os.Args[0]
// The {{.StructName}} struct defines the structure to hold the commandline values
type {{.StructName}} struct { {{range .Options}}{{if ne .Name "SEPARATOR" }}
{{.Name}} {{ if eq .Type "duration" }}time.Duration{{else}}{{.Type}}{{end}} // {{.Usage}}{{end}}{{end}}
}
////////////////////////////////////////////////////////////////////////////
// Global variables definitions
// {{.StructVar}} holds the actual values from the command line parameters
var {{.StructVar}} {{.StructName}}
////////////////////////////////////////////////////////////////////////////
// Commandline definitions
func initVars() {
// set default values for command line parameters{{range .Options}}{{if eq .Name "SEPARATOR" }}
{{else}}{{if (stringsContains .Flag ",")}}{{$cf := .}}{{range (stringsSplit .Flag ",")}}
flag.{{clk2uc $cf.Type}}Var(&{{$.StructVar}}.{{$cf.Name}}, "{{.}}", {{$cf.Value}},
"{{$cf.Usage}}"){{end}}{{else}}
flag.{{clk2uc .Type}}Var(&{{$.StructVar}}.{{.Name}}, "{{.Flag}}", {{.Value}},
"{{.Usage}}"){{end}}{{end}}{{end}}
}
func initVals() {
exists := false
// Now override those default values from environment variables{{range .Options}}{{if eq .Name "SEPARATOR" }}
{{else}}{{$envVar := printf "%s_%s" (clk2ss $.ProgramName) (clk2ss .Flag)}}{{if eq .Type "string" }}{{if (stringsContains .Flag ",")}}{{$cf := .}}{{range (stringsSplit .Flag ",")}}{{$envVar := printf "%s_%s" (clk2ss $.ProgramName) (clk2ss .)}}
if len({{$.StructVar}}.{{$cf.Name}}) == 0 &&
len(os.Getenv("{{$envVar}}")) != 0 {
{{$.StructVar}}.{{$cf.Name}} = os.Getenv("{{$envVar}}")
}{{end}}{{else}}
if len({{$.StructVar}}.{{.Name}}) == 0 &&
len(os.Getenv("{{$envVar}}")) != 0 {
{{$.StructVar}}.{{.Name}} = os.Getenv("{{$envVar}}")
}{{end}}{{else}}{{if eq .Type "bool" }}
if _, exists = os.LookupEnv("{{$envVar}}"); {{$.StructVar}}.{{.Name}}|| exists {
{{$.StructVar}}.{{.Name}} = true
}{{else}}{{if eq .Type "int" }}{{if (stringsContains .Flag ",")}}{{$cf := .}}{{range (stringsSplit .Flag ",")}}{{$envVar := printf "%s_%s" (clk2ss $.ProgramName) (clk2ss .)}}
if {{$.StructVar}}.{{$cf.Name}} == 0 &&
len(os.Getenv("{{$envVar}}")) != 0 {
if i, err := strconv.Atoi(os.Getenv("{{$envVar}}")); err == nil {
{{$.StructVar}}.{{$cf.Name}} = i
}
}{{end}}{{else}}
if {{$.StructVar}}.{{.Name}} == 0 &&
len(os.Getenv("{{$envVar}}")) != 0 {
if i, err := strconv.Atoi(os.Getenv("{{$envVar}}")); err == nil {
{{$.StructVar}}.{{.Name}} = i
}
}{{end}}{{end}}{{end}}{{end}}{{end}}{{end}}
}
{{if eqf .UsageSummary "True" }}
const usageSummary = "{{range .Options}}{{if eq .Name "SEPARATOR" }}\n{{else}}{{$envVar := printf "%s_%s" (clk2ss $.ProgramName) (clk2ss .Flag)}} -{{.Flag}}\t{{.Usage}} ({{$envVar}})\n{{end}}{{end}}\nDetails:\n\n"
{{end}}
// Usage function shows help on commandline usage
func Usage() {
fmt.Fprintf(os.Stderr,
"{{.UsageLead}}",
progname){{if eq .UsageSummary "TRUE" }}
fmt.Fprintf(os.Stderr, usageSummary){{end}}
flag.PrintDefaults()
fmt.Fprintf(os.Stderr,
"{{.UsageEnd}}")
os.Exit(0)
}
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