SyncFileStatusTracker: Distinguish Warning and Excluded

Any folder with a (potentially deeply) contained error will have
StatusWarning. StatusExcluded marks exclusions. The difference is useful
to know for VFS.

src/common/syncfilestatus.cpp

@@ -65,6 +65,10 @@ QString SyncFileStatus::toSocketAPIString() const
     case StatusError:
         statusString = QLatin1String("ERROR");
         break;
+    case StatusExcluded:
+        // The protocol says IGNORE, but all implementations show a yellow warning sign.
+        statusString = QLatin1String("IGNORE");
+        break;
     }
     if (canBeShared && _shared) {
         statusString += QLatin1String("+SWM");

src/common/syncfilestatus.h

@@ -36,6 +36,7 @@ public:
         StatusWarning,
         StatusUpToDate,
         StatusError,
+        StatusExcluded,
     };
 
     SyncFileStatus();

src/libsync/syncfilestatustracker.cpp

@@ -89,7 +89,7 @@ SyncFileStatus::SyncFileStatusTag SyncFileStatusTracker::lookupProblem(const QSt
  * icon as the problem is most likely going to resolve itself quickly and
  * automatically.
  */
-static inline bool showErrorInSocketApi(const SyncFileItem &item)
+static inline bool hasErrorStatus(const SyncFileItem &item)
 {
     const auto status = item._status;
     return item._instruction == CSYNC_INSTRUCTION_ERROR
@@ -100,7 +100,7 @@ static inline bool showErrorInSocketApi(const SyncFileItem &item)
         || item._hasBlacklistEntry;
 }
 
-static inline bool showWarningInSocketApi(const SyncFileItem &item)
+static inline bool hasExcludedStatus(const SyncFileItem &item)
 {
     const auto status = item._status;
     return item._instruction == CSYNC_INSTRUCTION_IGNORE
@@ -142,7 +142,7 @@ SyncFileStatus SyncFileStatusTracker::fileStatus(const QString &relativePath)
     if (_syncEngine->excludedFiles().isExcluded(_syncEngine->localPath() + relativePath,
             _syncEngine->localPath(),
             _syncEngine->ignoreHiddenFiles())) {
-        return SyncFileStatus::StatusWarning;
+        return SyncFileStatus::StatusExcluded;
     }
 
     if (_dirtyPaths.contains(relativePath))
@@ -171,7 +171,7 @@ void SyncFileStatusTracker::slotPathTouched(const QString &fileName)
 
 void SyncFileStatusTracker::slotAddSilentlyExcluded(const QString &folderPath)
 {
-    _syncProblems[folderPath] = SyncFileStatus::StatusWarning;
+    _syncProblems[folderPath] = SyncFileStatus::StatusExcluded;
     emit fileStatusChanged(getSystemDestination(folderPath), resolveSyncAndErrorStatus(folderPath, NotShared));
 }
 
@@ -229,11 +229,11 @@ void SyncFileStatusTracker::slotAboutToPropagate(SyncFileItemVector &items)
         qCDebug(lcStatusTracker) << "Investigating" << item->destination() << item->_status << item->_instruction;
         _dirtyPaths.remove(item->destination());
 
-        if (showErrorInSocketApi(*item)) {
+        if (hasErrorStatus(*item)) {
             _syncProblems[item->_file] = SyncFileStatus::StatusError;
             invalidateParentPaths(item->destination());
-        } else if (showWarningInSocketApi(*item)) {
-            _syncProblems[item->_file] = SyncFileStatus::StatusWarning;
+        } else if (hasExcludedStatus(*item)) {
+            _syncProblems[item->_file] = SyncFileStatus::StatusExcluded;
         }
 
         SharedFlag sharedFlag = item->_remotePerm.hasPermission(RemotePermissions::IsShared) ? Shared : NotShared;
@@ -273,11 +273,11 @@ void SyncFileStatusTracker::slotItemCompleted(const SyncFileItemPtr &item)
 {
     qCDebug(lcStatusTracker) << "Item completed" << item->destination() << item->_status << item->_instruction;
 
-    if (showErrorInSocketApi(*item)) {
+    if (hasErrorStatus(*item)) {
         _syncProblems[item->_file] = SyncFileStatus::StatusError;
         invalidateParentPaths(item->destination());
-    } else if (showWarningInSocketApi(*item)) {
-        _syncProblems[item->_file] = SyncFileStatus::StatusWarning;
+    } else if (hasExcludedStatus(*item)) {
+        _syncProblems[item->_file] = SyncFileStatus::StatusExcluded;
     } else {
         _syncProblems.erase(item->_file);
     }

test/testsyncfilestatustracker.cpp

@@ -222,19 +222,19 @@ private slots:
         fakeFolder.scheduleSync();
         fakeFolder.execUntilBeforePropagation();
         verifyThatPushMatchesPull(fakeFolder, statusSpy);
-        QCOMPARE(statusSpy.statusOf("A/a1"), SyncFileStatus(SyncFileStatus::StatusWarning));
-        QCOMPARE(statusSpy.statusOf("B"), SyncFileStatus(SyncFileStatus::StatusWarning));
+        QCOMPARE(statusSpy.statusOf("A/a1"), SyncFileStatus(SyncFileStatus::StatusExcluded));
+        QCOMPARE(statusSpy.statusOf("B"), SyncFileStatus(SyncFileStatus::StatusExcluded));
         QEXPECT_FAIL("", "csync will stop at ignored directories without traversing children, so we don't currently push the status for newly ignored children of an ignored directory.", Continue);
-        QCOMPARE(statusSpy.statusOf("B/b1"), SyncFileStatus(SyncFileStatus::StatusWarning));
+        QCOMPARE(statusSpy.statusOf("B/b1"), SyncFileStatus(SyncFileStatus::StatusExcluded));
 
         fakeFolder.execUntilFinished();
         verifyThatPushMatchesPull(fakeFolder, statusSpy);
-        QCOMPARE(statusSpy.statusOf("A/a1"), SyncFileStatus(SyncFileStatus::StatusWarning));
-        QCOMPARE(statusSpy.statusOf("B"), SyncFileStatus(SyncFileStatus::StatusWarning));
+        QCOMPARE(statusSpy.statusOf("A/a1"), SyncFileStatus(SyncFileStatus::StatusExcluded));
+        QCOMPARE(statusSpy.statusOf("B"), SyncFileStatus(SyncFileStatus::StatusExcluded));
         QEXPECT_FAIL("", "csync will stop at ignored directories without traversing children, so we don't currently push the status for newly ignored children of an ignored directory.", Continue);
-        QCOMPARE(statusSpy.statusOf("B/b1"), SyncFileStatus(SyncFileStatus::StatusWarning));
+        QCOMPARE(statusSpy.statusOf("B/b1"), SyncFileStatus(SyncFileStatus::StatusExcluded));
         QEXPECT_FAIL("", "csync will stop at ignored directories without traversing children, so we don't currently push the status for newly ignored children of an ignored directory.", Continue);
-        QCOMPARE(statusSpy.statusOf("B/b2"), SyncFileStatus(SyncFileStatus::StatusWarning));
+        QCOMPARE(statusSpy.statusOf("B/b2"), SyncFileStatus(SyncFileStatus::StatusExcluded));
         QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus(""), SyncFileStatus(SyncFileStatus::StatusUpToDate));
         QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus("A"), SyncFileStatus(SyncFileStatus::StatusUpToDate));
         statusSpy.clear();
@@ -271,12 +271,12 @@ private slots:
         QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus(""), SyncFileStatus(SyncFileStatus::StatusWarning));
         QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus("A"), SyncFileStatus(SyncFileStatus::StatusWarning));
         QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus("A/a1"), SyncFileStatus(SyncFileStatus::StatusError));
-        QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus("B"), SyncFileStatus(SyncFileStatus::StatusWarning));
+        QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus("B"), SyncFileStatus(SyncFileStatus::StatusExcluded));
 
         // Should still get the status for different casing on macOS and Windows.
         QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus("a"), SyncFileStatus(Utility::fsCasePreserving() ? SyncFileStatus::StatusWarning : SyncFileStatus::StatusNone));
         QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus("A/A1"), SyncFileStatus(Utility::fsCasePreserving() ? SyncFileStatus::StatusError : SyncFileStatus::StatusNone));
-        QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus("b"), SyncFileStatus(Utility::fsCasePreserving() ? SyncFileStatus::StatusWarning : SyncFileStatus::StatusNone));
+        QCOMPARE(fakeFolder.syncEngine().syncFileStatusTracker().fileStatus("b"), SyncFileStatus(Utility::fsCasePreserving() ? SyncFileStatus::StatusExcluded : SyncFileStatus::StatusNone));
     }
 
     void parentsGetWarningStatusForError() {