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etcdctl: use os.Stdout, os.Stderr directly for cmd

release-2.3
Gyu-Ho Lee 2016-01-27 00:54:40 -08:00
parent 14255854d8
commit c8eebd0070
1 changed files with 2 additions and 13 deletions
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15
etcdctl/command/exec_watch_command.go
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@ -17,7 +17,6 @@ package command
import (
"errors"
"fmt"
"io"
"os"
"os/exec"
"os/signal"
@ -105,16 +104,8 @@ func execWatchCommandFunc(c *cli.Context, ki client.KeysAPI) {
cmd := exec.Command(cmdArgs[0], cmdArgs[1:]...)
cmd.Env = environResponse(resp, os.Environ())
stdout, err := cmd.StdoutPipe()
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
stderr, err := cmd.StderrPipe()
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
go func() {
err := cmd.Start()
@ -122,8 +113,6 @@ func execWatchCommandFunc(c *cli.Context, ki client.KeysAPI) {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
go io.Copy(os.Stdout, stdout)
go io.Copy(os.Stderr, stderr)
cmd.Wait()
}()
}