lib: Modify FileInfos consistently (ref #6321) (#6349)

lib/db/structs.go

@@ -129,27 +129,36 @@ func (f FileInfoTruncated) FileModifiedBy() protocol.ShortID {
 }
 
 func (f FileInfoTruncated) ConvertToIgnoredFileInfo(by protocol.ShortID) protocol.FileInfo {
-	return protocol.FileInfo{
-		Name:         f.Name,
-		Type:         f.Type,
-		ModifiedS:    f.ModifiedS,
-		ModifiedNs:   f.ModifiedNs,
-		ModifiedBy:   by,
-		Version:      f.Version,
-		RawBlockSize: f.RawBlockSize,
-		LocalFlags:   protocol.FlagLocalIgnored,
-	}
+	file := f.copyToFileInfo()
+	file.SetIgnored(by)
+	return file
+}
+
+func (f FileInfoTruncated) ConvertToDeletedFileInfo(by protocol.ShortID) protocol.FileInfo {
+	file := f.copyToFileInfo()
+	file.SetDeleted(by)
+	return file
 }
 
-func (f FileInfoTruncated) ConvertToDeletedFileInfo(by protocol.ShortID, localFlags uint32) protocol.FileInfo {
+// copyToFileInfo just copies all members of FileInfoTruncated to protocol.FileInfo
+func (f FileInfoTruncated) copyToFileInfo() protocol.FileInfo {
 	return protocol.FileInfo{
-		Name:       f.Name,
-		Type:       f.Type,
-		ModifiedS:  time.Now().Unix(),
-		ModifiedBy: by,
-		Deleted:    true,
-		Version:    f.Version.Update(by),
-		LocalFlags: localFlags,
+		Name:          f.Name,
+		Size:          f.Size,
+		ModifiedS:     f.ModifiedS,
+		ModifiedBy:    f.ModifiedBy,
+		Version:       f.Version,
+		Sequence:      f.Sequence,
+		SymlinkTarget: f.SymlinkTarget,
+		BlocksHash:    f.BlocksHash,
+		Type:          f.Type,
+		Permissions:   f.Permissions,
+		ModifiedNs:    f.ModifiedNs,
+		RawBlockSize:  f.RawBlockSize,
+		LocalFlags:    f.LocalFlags,
+		Deleted:       f.Deleted,
+		RawInvalid:    f.RawInvalid,
+		NoPermissions: f.NoPermissions,
 	}
 }
 

lib/db/transactions.go

@@ -468,6 +468,9 @@ func (t readWriteTransaction) putFile(key []byte, fi protocol.FileInfo) error {
 		} else if err != nil {
 			return err
 		}
+	} else if fi.BlocksHash != nil {
+		l.Warnln("Blocks is nil, but BlocksHash is not for file", fi)
+		panic("Blocks is nil, but BlocksHash is not")
 	}
 
 	fi.Blocks = nil

lib/model/folder.go

@@ -532,7 +532,8 @@ func (f *folder) scanSubdirs(subDirs []string) error {
 					}
 					return true
 				}
-				nf := file.ConvertToDeletedFileInfo(f.shortID, f.localFlags)
+				nf := file.ConvertToDeletedFileInfo(f.shortID)
+				nf.LocalFlags = f.localFlags
 				if file.ShouldConflict() {
 					// We do not want to override the global version with
 					// the deleted file. Setting to an empty version makes

lib/model/folder_recvonly.go

@@ -104,14 +104,8 @@ func (f *receiveOnlyFolder) Revert() {
 				return true // continue
 			}
 
-			fi = protocol.FileInfo{
-				Name:       fi.Name,
-				Type:       fi.Type,
-				ModifiedS:  time.Now().Unix(),
-				ModifiedBy: f.shortID,
-				Deleted:    true,
-				Version:    protocol.Vector{}, // if this file ever resurfaces anywhere we want our delete to be strictly older
-			}
+			fi.SetDeleted(f.shortID)
+			fi.Version = protocol.Vector{} // if this file ever resurfaces anywhere we want our delete to be strictly older
 		} else {
 			// Revert means to throw away our local changes. We reset the
 			// version to the empty vector, which is strictly older than any

lib/model/folder_sendonly.go

@@ -118,10 +118,7 @@ func (f *sendOnlyFolder) Override() {
 		}
 		if !ok || have.Name != need.Name {
 			// We are missing the file
-			need.Deleted = true
-			need.Blocks = nil
-			need.Version = need.Version.Update(f.shortID)
-			need.Size = 0
+			need.SetDeleted(f.shortID)
 		} else {
 			// We have the file, replace with our version
 			have.Version = have.Version.Merge(need.Version).Update(f.shortID)

lib/protocol/bep_extensions.go

@@ -266,24 +266,36 @@ func BlocksEqual(a, b []BlockInfo) bool {
 }
 
 func (f *FileInfo) SetMustRescan(by ShortID) {
-	f.LocalFlags = FlagLocalMustRescan
-	f.ModifiedBy = by
-	f.Blocks = nil
-	f.Sequence = 0
+	f.setLocalFlags(by, FlagLocalMustRescan)
 }
 
 func (f *FileInfo) SetIgnored(by ShortID) {
-	f.LocalFlags = FlagLocalIgnored
-	f.ModifiedBy = by
-	f.Blocks = nil
-	f.Sequence = 0
+	f.setLocalFlags(by, FlagLocalIgnored)
 }
 
 func (f *FileInfo) SetUnsupported(by ShortID) {
-	f.LocalFlags = FlagLocalUnsupported
+	f.setLocalFlags(by, FlagLocalUnsupported)
+}
+
+func (f *FileInfo) SetDeleted(by ShortID) {
 	f.ModifiedBy = by
+	f.Deleted = true
+	f.Version = f.Version.Update(by)
+	f.ModifiedS = time.Now().Unix()
+	f.setNoContent()
+}
+
+func (f *FileInfo) setLocalFlags(by ShortID, flags uint32) {
+	f.RawInvalid = false
+	f.LocalFlags = flags
+	f.ModifiedBy = by
+	f.setNoContent()
+}
+
+func (f *FileInfo) setNoContent() {
 	f.Blocks = nil
-	f.Sequence = 0
+	f.BlocksHash = nil
+	f.Size = 0
 }
 
 func (b BlockInfo) String() string {