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package version
import (
"fmt"
"io"
"os"
"runtime"
"text/template"
"github.com/containous/flaeg"
"github.com/containous/traefik/version"
)
var versionTemplate = `Version: {{.Version}}
Codename: {{.Codename}}
Go version: {{.GoVersion}}
Built: {{.BuildTime}}
OS/Arch: {{.Os}}/{{.Arch}}`
// NewCmd builds a new Version command
func NewCmd() *flaeg.Command {
return &flaeg.Command{
Name: "version",
Description: `Print version`,
Config: struct{}{},
DefaultPointersConfig: struct{}{},
Run: func() error {
if err := GetPrint(os.Stdout); err != nil {
return err
}
fmt.Print("\n")
return nil
},
}
}
// GetPrint write Printable version
func GetPrint(wr io.Writer) error {
tmpl, err := template.New("").Parse(versionTemplate)
if err != nil {
return err
}
v := struct {
Version string
Codename string
GoVersion string
BuildTime string
Os string
Arch string
}{
Version: version.Version,
Codename: version.Codename,
GoVersion: runtime.Version(),
BuildTime: version.BuildDate,
Os: runtime.GOOS,
Arch: runtime.GOARCH,
}
return tmpl.Execute(wr, v)
}
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