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bee/banner.go
Faissal Elamraoui cf7aef47f0 Implementing the new logging infrastructure
Moved logging to the new logging infrastructure by removing the use of
ColorLog() function. Added more documentation. Also fixed some typos in
comments and function names.
2016-11-13 15:14:48 +01:00

61 lines
1.1 KiB
Go

package main
import (
"io"
"io/ioutil"
"os"
"runtime"
"text/template"
)
type vars struct {
GoVersion string
GOOS string
GOARCH string
NumCPU int
GOPATH string
GOROOT string
Compiler string
BeeVersion string
BeegoVersion string
}
// InitBanner loads the banner and prints it to output
// All errors are ignored, the application will not
// print the banner in case of error.
func InitBanner(out io.Writer, in io.Reader) {
if in == nil {
logger.Fatal("The input is nil")
}
banner, err := ioutil.ReadAll(in)
if err != nil {
logger.Fatalf("Error while trying to read the banner: %s", err)
}
show(out, string(banner))
}
func show(out io.Writer, content string) {
t, err := template.New("banner").
Funcs(template.FuncMap{"Now": Now}).
Parse(content)
if err != nil {
logger.Fatalf("Cannot parse the banner template: %s", err)
}
err = t.Execute(out, vars{
getGoVersion(),
runtime.GOOS,
runtime.GOARCH,
runtime.NumCPU(),
os.Getenv("GOPATH"),
runtime.GOROOT(),
runtime.Compiler,
version,
getBeegoVersion(),
})
MustCheck(err)
}