refactor(@xen-orchestra/backups): rename delta writers to incremental writers

@xen-orchestra/backups/_VmBackup.js

@@ -14,8 +14,8 @@ const { defer } = require('golike-defer')
 const { formatDateTime } = require('@xen-orchestra/xapi')
 const { pipeline } = require('node:stream')
 
-const { DeltaBackupWriter } = require('./writers/DeltaBackupWriter.js')
+const { IncrementalBackupWriter } = require('./writers/IncrementalBackupWriter.js')
-const { DeltaReplicationWriter } = require('./writers/DeltaReplicationWriter.js')
+const { IncrementalReplicationWriter } = require('./writers/IncrementalReplicationWriter.js')
 const { exportDeltaVm } = require('./_deltaVm.js')
 const { forkStreamUnpipe } = require('./_forkStreamUnpipe.js')
 const { FullBackupWriter } = require('./writers/FullBackupWriter.js')
@@ -108,7 +108,7 @@ class VmBackup {
       this._writers = writers
 
       const [BackupWriter, ReplicationWriter] = this._isIncremental
-        ? [DeltaBackupWriter, DeltaReplicationWriter]
+        ? [IncrementalBackupWriter, IncrementalReplicationWriter]
         : [FullBackupWriter, FullReplicationWriter]
 
       const allSettings = job.settings

@xen-orchestra/backups/writers/IncrementalBackupWriter.js

@@ -16,14 +16,14 @@ const { getOldEntries } = require('../_getOldEntries.js')
 const { Task } = require('../Task.js')
 
 const { MixinBackupWriter } = require('./_MixinBackupWriter.js')
-const { AbstractDeltaWriter } = require('./_AbstractDeltaWriter.js')
+const { AbstractIncrementalWriter } = require('./_AbstractIncrementalWriter.js')
 const { checkVhd } = require('./_checkVhd.js')
 const { packUuid } = require('./_packUuid.js')
 const { Disposable } = require('promise-toolbox')
 
 const { warn } = createLogger('xo:backups:DeltaBackupWriter')
 
-class DeltaBackupWriter extends MixinBackupWriter(AbstractDeltaWriter) {
+class IncrementalBackupWriter extends MixinBackupWriter(AbstractIncrementalWriter) {
   async checkBaseVdis(baseUuidToSrcVdi) {
     const { handler } = this._adapter
     const backup = this._backup
@@ -227,6 +227,6 @@ class DeltaBackupWriter extends MixinBackupWriter(AbstractDeltaWriter) {
     // TODO: run cleanup?
   }
 }
-exports.DeltaBackupWriter = decorateClass(DeltaBackupWriter, {
+exports.IncrementalBackupWriter = decorateClass(IncrementalBackupWriter, {
   _transfer: defer,
 })

@xen-orchestra/backups/writers/IncrementalReplicationWriter.js

@@ -9,11 +9,13 @@ const { getOldEntries } = require('../_getOldEntries.js')
 const { importDeltaVm, TAG_COPY_SRC } = require('../_deltaVm.js')
 const { Task } = require('../Task.js')
 
-const { AbstractDeltaWriter } = require('./_AbstractDeltaWriter.js')
+const { AbstractIncrementalWriter } = require('./_AbstractIncrementalWriter.js')
 const { MixinReplicationWriter } = require('./_MixinReplicationWriter.js')
 const { listReplicatedVms } = require('./_listReplicatedVms.js')
 
-exports.DeltaReplicationWriter = class DeltaReplicationWriter extends MixinReplicationWriter(AbstractDeltaWriter) {
+exports.IncrementalReplicationWriter = class IncrementalReplicationWriter extends (
+  MixinReplicationWriter(AbstractIncrementalWriter)
+) {
   async checkBaseVdis(baseUuidToSrcVdi, baseVm) {
     const sr = this._sr
     const replicatedVm = listReplicatedVms(sr.$xapi, this._backup.job.id, sr.uuid, this._backup.vm.uuid).find(

@xen-orchestra/backups/writers/_AbstractIncrementalWriter.js

@@ -2,7 +2,7 @@
 
 const { AbstractWriter } = require('./_AbstractWriter.js')
 
-exports.AbstractDeltaWriter = class AbstractDeltaWriter extends AbstractWriter {
+exports.AbstractIncrementalWriter = class AbstractIncrementalWriter extends AbstractWriter {
   checkBaseVdis(baseUuidToSrcVdi, baseVm) {
     throw new Error('Not implemented')
   }