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nixpkgs/pkgs/build-support/docker/tarsum.go
2018-03-26 18:47:31 +02:00

25 lines
345 B
Go

package main
import (
"fmt"
"io"
"io/ioutil"
"os"
"github.com/docker/docker/pkg/tarsum"
)
func main() {
ts, err := tarsum.NewTarSum(os.Stdin, true, tarsum.Version1)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
if _, err = io.Copy(ioutil.Discard, ts); err != nil {
fmt.Println(err)
os.Exit(1)
}
fmt.Println(ts.Sum(nil))
}