Began implementing config validation

1 files changed, 32 insertions, 0 deletions

diff --git a/config/command.go b/config/command.go
new file mode 100644
index 0000000..34142cd
--- /dev/null
+++ b/config/command.go
@@ -0,0 +1,32 @@
+package config
+
+import (
+	"strings"
+
+	"github.com/pkg/errors"
+)
+
+func validateCommand(cmd string) error {
+	tokens := strings.Split(cmd, " ")
+	switch tokens[0] {
+	case "cp":
+		if len(tokens) != 3 {
+			return errors.New("cp command takes exactly two arguments")
+		}
+	case "exec":
+		if len(tokens) <= 1 {
+			return errors.New("exec command needs arguments")
+		}
+	case "mkdir":
+		if len(tokens) != 2 {
+			return errors.New("mkdir command takes exactly one argument")
+		}
+	case "wait":
+		if len(tokens) != 1 {
+			return errors.New("wait command takes no arguments")
+		}
+	default:
+		return errors.New("Invalid command : " + tokens[0])
+	}
+	return nil
+}