Git: Support typechange

Replacing a normal file with a symbolic link.

Change-Id: Id07ab339e8fcdf039b61d6e459b8d751d499f4f6
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

src/plugins/git/commitdata.cpp

@@ -94,6 +94,8 @@ static FileStates stateFor(const QChar &c)
         return CopiedFile;
     case 'U':
         return UnmergedFile;
+    case 'T':
+        return TypeChangedFile;
     case '?':
         return UntrackedFile;
     default:
@@ -209,6 +211,8 @@ QString CommitData::stateDisplayName(const FileStates &state)
         resultState.append(tr("renamed"));
     else if (state & CopiedFile)
         resultState.append(tr("copied"));
+    else if (state & TypeChangedFile)
+        resultState.append(tr("typechange"));
     if (state & UnmergedUs) {
         if (state & UnmergedThem)
             resultState.append(tr(" by both"));

src/plugins/git/commitdata.h

@@ -71,6 +71,7 @@ enum FileState {
     RenamedFile  = 0x10,
     CopiedFile   = 0x20,
     UnmergedFile = 0x40,
+    TypeChangedFile = 0x80,
 
     UnmergedUs   = 0x100,
     UnmergedThem = 0x200,

src/plugins/git/gitclient.cpp

@@ -2472,7 +2472,7 @@ bool GitClient::addAndCommit(const QString &repositoryDirectory,
             filesToAdd.append(file);
 
         if ((state & StagedFile) && !checked) {
-            if (state & (ModifiedFile | AddedFile | DeletedFile)) {
+            if (state & (ModifiedFile | AddedFile | DeletedFile | TypeChangedFile)) {
                 filesToReset.append(file);
             } else if (state & (RenamedFile | CopiedFile)) {
                 const QString newFile = file.mid(file.indexOf(renameSeparator) + renameSeparator.count());
@@ -2482,7 +2482,7 @@ bool GitClient::addAndCommit(const QString &repositoryDirectory,
             QTC_ASSERT(false, continue); // There should not be unmerged files when committing!
         }
 
-        if (state == ModifiedFile && checked) {
+        if ((state == ModifiedFile || state == TypeChangedFile) && checked) {
             filesToReset.removeAll(file);
             filesToAdd.append(file);
         } else if (state == AddedFile && checked) {

src/plugins/git/gitplugin.cpp

@@ -1396,6 +1396,10 @@ void GitPlugin::testStatusParsing_data()
 
     QTest::newRow(" M") << FileStates(ModifiedFile) << FileStates(UnknownFileState);
     QTest::newRow(" D") << FileStates(DeletedFile) << FileStates(UnknownFileState);
+    QTest::newRow(" T") << FileStates(TypeChangedFile) << FileStates(UnknownFileState);
+    QTest::newRow("T ") << (TypeChangedFile | StagedFile) << FileStates(UnknownFileState);
+    QTest::newRow("TM") << (TypeChangedFile | StagedFile) << FileStates(ModifiedFile);
+    QTest::newRow("MT") << (ModifiedFile | StagedFile) << FileStates(TypeChangedFile);
     QTest::newRow("M ") << (ModifiedFile | StagedFile) << FileStates(UnknownFileState);
     QTest::newRow("MM") << (ModifiedFile | StagedFile) << FileStates(ModifiedFile);
     QTest::newRow("MD") << (ModifiedFile | StagedFile) << FileStates(DeletedFile);

src/plugins/git/gitsubmiteditor.cpp

@@ -146,7 +146,7 @@ void GitSubmitEditor::setCommitData(const CommitData &d)
             return SubmitFileModel::FileUnmerged;
         if (state.testFlag(AddedFile) || state.testFlag(UntrackedFile))
             return SubmitFileModel::FileAdded;
-        if (state.testFlag(ModifiedFile))
+        if (state.testFlag(ModifiedFile) || state.testFlag(TypeChangedFile))
             return SubmitFileModel::FileModified;
         if (state.testFlag(DeletedFile))
             return SubmitFileModel::FileDeleted;