Make sure metadata gets saved if background fetch is performed.

Frameworks/Account/Account.swift

@@ -368,10 +368,10 @@ public final class Account: DisplayNameProvider, UnreadCountProvider, Container,
 		
 	}
 	
-	public func saveIfNecessary() {
-		metadataFile.saveIfNecessary()
-		feedMetadataFile.saveIfNecessary()
-		opmlFile.saveIfNecessary()
+	public func save() {
+		metadataFile.save()
+		feedMetadataFile.save()
+		opmlFile.save()
 	}
 	
 	func loadOPMLItems(_ items: [RSOPMLItem], parentFolder: Folder?) {

Frameworks/Account/AccountManager.swift

@@ -184,6 +184,10 @@ public final class AccountManager: UnreadCountProvider {
 		}
 	}
 	
+	public func saveAll() {
+		accounts.forEach { $0.save() }
+	}
+	
 	public func anyAccountHasAtLeastOneFeed() -> Bool {
 		for account in activeAccounts {
 			if account.hasAtLeastOneFeed() {

Frameworks/Account/AccountMetadataFile.swift

@@ -31,7 +31,7 @@ final class AccountMetadataFile {
 		managedFile.load()
 	}
 	
-	func saveIfNecessary() {
+	func save() {
 		managedFile.saveIfNecessary()
 	}
 	

Frameworks/Account/FeedMetadataFile.swift

@@ -31,7 +31,7 @@ final class FeedMetadataFile {
 		managedFile.load()
 	}
 	
-	func saveIfNecessary() {
+	func save() {
 		managedFile.saveIfNecessary()
 	}
 	

Frameworks/Account/OPMLFile.swift

@@ -32,7 +32,7 @@ final class OPMLFile {
 		managedFile.load()
 	}
 	
-	func saveIfNecessary() {
+	func save() {
 		managedFile.saveIfNecessary()
 	}
 	

iOS/AppDelegate.swift

@@ -298,6 +298,9 @@ private extension AppDelegate {
 				os_log("Account refresh operation completed.", log: self.log, type: .info)
 				task.setTaskCompleted(success: true)
 			}
+			
+			AccountManager.shared.saveAll()
+			
 		}
 		
 		// set expiration handler

iOS/ShareExtension/ShareViewController.swift

@@ -119,7 +119,7 @@ class ShareViewController: SLComposeServiceViewController, ShareFolderPickerCont
 
 			switch result {
 			case .success:
-				account!.saveIfNecessary()
+				account!.save()
 				self.extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
 			case .failure(let error):
 				self.presentError(error) {