CHORE: Remove diff1 from codebase (#2575)

providers/autodns/autoDnsProvider.go

@@ -10,9 +10,7 @@ import (
 	"strings"
 
 	"github.com/StackExchange/dnscontrol/v4/models"
-	"github.com/StackExchange/dnscontrol/v4/pkg/diff"
 	"github.com/StackExchange/dnscontrol/v4/pkg/diff2"
-	"github.com/StackExchange/dnscontrol/v4/pkg/printer"
 	"github.com/StackExchange/dnscontrol/v4/pkg/txtutil"
 	"github.com/StackExchange/dnscontrol/v4/providers"
 )
@@ -72,103 +70,7 @@ func (api *autoDNSProvider) GetZoneRecordsCorrections(dc *models.DomainConfig, e
 	domain := dc.Name
 	txtutil.SplitSingleLongTxt(dc.Records) // Autosplit long TXT records
 
-	var changes []*models.RecordConfig
 	var corrections []*models.Correction
-	if !diff2.EnableDiff2 {
-
-		differ := diff.New(dc)
-		unchanged, create, del, modify, err := differ.IncrementalDiff(existingRecords)
-		if err != nil {
-			return nil, err
-		}
-
-		for _, m := range unchanged {
-			changes = append(changes, m.Desired)
-		}
-
-		for _, m := range del {
-			// Just notify, these records don't have to be deleted explicitly
-			printer.Debugf(m.String())
-		}
-
-		for _, m := range create {
-			printer.Debugf(m.String())
-			changes = append(changes, m.Desired)
-		}
-
-		for _, m := range modify {
-			printer.Debugf("mod")
-			printer.Debugf(m.String())
-			changes = append(changes, m.Desired)
-		}
-
-		if len(create) > 0 || len(del) > 0 || len(modify) > 0 {
-			corrections = append(corrections,
-				&models.Correction{
-					Msg: "Zone update for " + domain,
-					F: func() error {
-						zoneTTL := uint32(0)
-						nameServers := []*models.Nameserver{}
-						resourceRecords := []*ResourceRecord{}
-
-						for _, record := range changes {
-							// NS records for the APEX should be handled differently
-							if record.Type == "NS" && record.Name == "@" {
-								nameServers = append(nameServers, &models.Nameserver{
-									Name: strings.TrimSuffix(record.GetTargetField(), "."),
-								})
-
-								zoneTTL = record.TTL
-							} else {
-								resourceRecord := &ResourceRecord{
-									Name:  record.Name,
-									TTL:   int64(record.TTL),
-									Type:  record.Type,
-									Value: record.GetTargetField(),
-								}
-
-								if resourceRecord.Name == "@" {
-									resourceRecord.Name = ""
-								}
-
-								if record.Type == "MX" {
-									resourceRecord.Pref = int32(record.MxPreference)
-								}
-
-								if record.Type == "SRV" {
-									resourceRecord.Value = fmt.Sprintf(
-										"%d %d %d %s",
-										record.SrvPriority,
-										record.SrvWeight,
-										record.SrvPort,
-										record.GetTargetField(),
-									)
-								}
-								if record.Type == "CAA" {
-									resourceRecord.Value = fmt.Sprintf("%d %s \"%s\"",
-										record.CaaFlag,
-										record.CaaTag,
-										record.GetTargetField(),
-									)
-								}
-
-								resourceRecords = append(resourceRecords, resourceRecord)
-							}
-						}
-
-						err := api.updateZone(domain, resourceRecords, nameServers, zoneTTL)
-
-						if err != nil {
-							return fmt.Errorf(err.Error())
-						}
-
-						return nil
-					},
-				})
-		}
-
-		return corrections, nil
-	}
 
 	msgs, changed, err := diff2.ByZone(existingRecords, dc, nil)
 	if err != nil {