minimal implementation for pmg

pkg/common/utils/command.go

@@ -0,0 +1,21 @@
+package utils
+
+import (
+	"bytes"
+	"fmt"
+	"os/exec"
+)
+
+func ExecCmd(name string, args []string) error {
+	cmd := exec.Command(name, args...)
+
+	var stdout, stderr bytes.Buffer
+	cmd.Stdout = &stdout
+	cmd.Stderr = &stderr
+
+	if err := cmd.Run(); err != nil {
+		return fmt.Errorf("error running cmd %s: %s\nStderr: %s", name,
+			err.Error(), stderr.String())
+	}
+	return nil
+}