pull file

krew/pkg/utils/cmd.go

@@ -0,0 +1,38 @@
+package utils
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os/exec"
+)
+
+func Run(cmd *exec.Cmd, in io.Reader) error {
+	cmd.Stdin = in
+
+	stdoutReader, _ := cmd.StdoutPipe()
+	stdoutScanner := bufio.NewScanner(stdoutReader)
+	go func() {
+		for stdoutScanner.Scan() {
+			fmt.Println(stdoutScanner.Text())
+		}
+	}()
+	stderrReader, _ := cmd.StderrPipe()
+	stderrScanner := bufio.NewScanner(stderrReader)
+	go func() {
+		for stderrScanner.Scan() {
+			fmt.Println(stderrScanner.Text())
+		}
+	}()
+	err := cmd.Start()
+	if err != nil {
+		return GenErrorMsg(EXEC_ERROR, err.Error())
+	}
+
+	// Stuck here until there are out and err
+	err = cmd.Wait()
+	if err != nil {
+		return GenErrorMsg(EXEC_ERROR, err.Error())
+	}
+	return nil
+}