[disk][host]: change to use type alias.

disk/disk_windows.go

@@ -15,6 +15,8 @@ import (
 	"golang.org/x/sys/windows/registry"
 )
 
+type Warnings = common.Warnings
+
 var (
 	procGetDiskFreeSpaceExW     = common.Modkernel32.NewProc("GetDiskFreeSpaceExW")
 	procGetLogicalDriveStringsW = common.Modkernel32.NewProc("GetLogicalDriveStringsW")

host/host_linux.go

@@ -19,6 +19,8 @@ import (
 	"golang.org/x/sys/unix"
 )
 
+type Warnings = common.Warnings
+
 type lsbStruct struct {
 	ID          string
 	Release     string

host/warnings.go

@@ -1,30 +0,0 @@
-package host
-
-import "fmt"
-
-type Warnings struct {
-	List    []error
-	Verbose bool
-}
-
-func (w *Warnings) Add(err error) {
-	w.List = append(w.List, err)
-}
-
-func (w *Warnings) Reference() error {
-	if len(w.List) > 0 {
-		return w
-	}
-	return nil
-}
-
-func (w *Warnings) Error() string {
-	if w.Verbose {
-		str := ""
-		for i, e := range w.List {
-			str += fmt.Sprintf("\tError %d: %s\n", i, e.Error())
-		}
-		return str
-	}
-	return fmt.Sprintf("Number of warnings: %v", len(w.List))
-}

internal/common/warnings.go

@@ -1,4 +1,4 @@
-package disk
+package common
 
 import "fmt"