package cmd

import (
	"syscall"
)

// RenameSys is low level call in case of Linux this uses syscall.Rename() directly.
func RenameSys(src, dst string) (err error) {
	return syscall.Rename(src, dst)

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"os"
)

// RenameSys is low level call in case of non-Linux this just uses os.Rename()
func RenameSys(src, dst string) (err error) {
	return os.Rename(src, dst)

	cmd.PersistentFlags().StringVar(&diffArgs.renameResources, "rename", "",
		"Rename resources before comparison.\n"+
			"The format of each renaming pair is A->B, all renaming pairs are comma separated.\n"+
			"e.g. Service:*:istiod->Service:*:istio-control - rename istiod service into istio-control")
}

func manifestDiffCmd(diffArgs *manifestDiffArgs) *cobra.Command {

				if baseDir != "" && nbaseDir != "" && nbaseDir != SlashSeparator {
					baseDir = nbaseDir
				}
				continue
			}
		}
		break
	}
	return err
}

// Wrapper function to os.Rename, which calls reliableMkdirAll
// and reliableRenameAll. This is to ensure that if there is a
// racy parent directory delete in between we can simply retry
// the operation.

// RenameColumn rename value's field name from oldName to newName
func (m Migrator) RenameColumn(value interface{}, oldName, newName string) error {
	return m.RunWithValue(value, func(stmt *gorm.Statement) error {
		if stmt.Schema != nil {
			if field := stmt.Schema.LookUpField(oldName); field != nil {
				oldName = field.DBName
			}

			if field := stmt.Schema.LookUpField(newName); field != nil {
				newName = field.DBName
			}
		}

		// If the old CNI config filename ends with .conf, rename it to .conflist, because it has to be changed to a list
		installLog.Infof("Renaming %s extension to .conflist", cniConfigFilepath)
		err = os.Rename(cniConfigFilepath, cniConfigFilepath+"list")
		if err != nil {
			installLog.Errorf("Failed to rename CNI config file %v: %v", cniConfigFilepath, err)
			return cniConfigFilepath, err
		}

	return osMkdirAll(dirPath, mode, baseDir)
}

// Rename captures time taken to call os.Rename
func Rename(src, dst string) (err error) {
	defer updateOSMetrics(osMetricRename, src, dst)(err)
	return RenameSys(src, dst)
}

// OpenFile captures time taken to call os.OpenFile
func OpenFile(name string, flag int, perm os.FileMode) (f *os.File, err error) {
	switch flag & writeMode {

				for _, entry := range legacyEntries {
					// Skip xl.meta renames further, also ignore any directories such as `legacyDataDir`
					if entry == xlStorageFormatFile || strings.HasSuffix(entry, slashSeparator) {
						continue
					}

					if err = Rename(pathJoin(currentDataPath, entry), pathJoin(legacyDataPath, entry)); err != nil {
						// Any failed rename calls un-roll previous transaction.

		plSize += len(key) + len(value) + msgp.StringPrefixSize + msgp.ArrayHeaderSize
	}

	// Reserialize...
	x.serialize(plSize, keys, vals)
}

// rename will rename a key.
// Returns whether the key was found.
func (x *xlMetaInlineData) rename(oldKey, newKey string) bool {
	in := x.afterVersion()
	sz, buf, _ := msgp.ReadMapHeaderBytes(in)
	keys := make([][]byte, 0, sz)
	vals := make([][]byte, 0, sz)

// verification is empty or invalid.
var errBitrotHashAlgoInvalid = StorageErr("bit-rot hash algorithm is invalid")

// errCrossDeviceLink - rename across devices not allowed.
var errCrossDeviceLink = StorageErr("Rename across devices not allowed, please fix your backend configuration")

// errLessData - returned when less data available than what was requested.