Restore errors.go

manager/errors.go

@@ -0,0 +1,26 @@
+package manager
+
+import "fmt"
+
+type ErrExitable interface {
+	ExitStatus() int
+}
+
+var _ error = new(ErrChildDied)
+var _ ErrExitable = new(ErrChildDied)
+
+type ErrChildDied struct {
+	code int
+}
+
+func NewErrChildDied(c int) *ErrChildDied {
+	return &ErrChildDied{code: c}
+}
+
+func (e *ErrChildDied) Error() string {
+	return fmt.Sprintf("child process died with exit code %d", e.code)
+}
+
+func (e *ErrChildDied) ExitStatus() int {
+	return e.code
+}

version/version.go

@@ -2,7 +2,7 @@ package version
 
 import "fmt"
 
-const Version = "0.2.4"
+const Version = "0.2.5"
 
 var (
 	Name      string