files2 - support overwrite readonly for local files

Author: bpasero

src/vs/workbench/services/textfile/common/textFileService.ts

@@ -37,7 +37,6 @@ import { IModeService } from 'vs/editor/common/services/modeService';
 import { IEditorService } from 'vs/workbench/services/editor/common/editorService';
 import { coalesce } from 'vs/base/common/arrays';
 import { trim } from 'vs/base/common/strings';
-import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
 
 /**
  * The workbench file service implementation implements the raw file service spec and adds additional methods on top.
@@ -993,6 +992,4 @@ export class TextFileService extends Disposable implements ITextFileService {
 
 		super.dispose();
 	}
-}
-
-registerSingleton(ITextFileService, TextFileService);
+}

src/vs/workbench/services/textfile/node/textFileService.ts

@@ -0,0 +1,34 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { TextFileService } from 'vs/workbench/services/textfile/common/textFileService';
+import { ITextFileService } from 'vs/workbench/services/textfile/common/textfiles';
+import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
+import { URI } from 'vs/base/common/uri';
+import { ITextSnapshot, IWriteTextFileOptions, IFileStatWithMetadata } from 'vs/platform/files/common/files';
+import { Schemas } from 'vs/base/common/network';
+import { exists, stat, chmod } from 'vs/base/node/pfs';
+
+export class NodeTextFileService extends TextFileService {
+
+	async write(resource: URI, value: string | ITextSnapshot, options?: IWriteTextFileOptions): Promise<IFileStatWithMetadata> {
+
+		// check for overwriteReadonly property (only supported for local file://)
+		try {
+			if (options && options.overwriteReadonly && resource.scheme === Schemas.file && await exists(resource.fsPath)) {
+				const fileStat = await stat(resource.fsPath);
+
+				// try to change mode to writeable
+				await chmod(resource.fsPath, fileStat.mode | 128);
+			}
+		} catch (error) {
+			// ignore and simply retry the operation
+		}
+
+		return super.write(resource, value, options);
+	}
+}
+
+registerSingleton(ITextFileService, NodeTextFileService);

src/vs/workbench/workbench.main.ts

@@ -105,7 +105,7 @@ import 'vs/workbench/services/preferences/browser/preferencesService';
 import 'vs/workbench/services/output/node/outputChannelModelService';
 import 'vs/workbench/services/configuration/common/jsonEditingService';
 import 'vs/workbench/services/textmodelResolver/common/textModelResolverService';
-import 'vs/workbench/services/textfile/common/textFileService';
+import 'vs/workbench/services/textfile/node/textFileService';
 import 'vs/workbench/services/dialogs/browser/fileDialogService';
 import 'vs/workbench/services/dialogs/electron-browser/dialogService';
 import 'vs/workbench/services/backup/node/backupFileService';

src/vs/workbench/workbench.nodeless.main.ts

@@ -91,6 +91,8 @@ import { ContextViewService } from 'vs/platform/contextview/browser/contextViewS
 // import { RelayURLService } from 'vs/platform/url/electron-browser/urlService';
 import { IHeapService, NullHeapService } from 'vs/workbench/services/heap/common/heap';
 import { IBroadcastService, NullBroadcastService } from 'vs/workbench/services/broadcast/common/broadcast';
+import { ITextFileService } from 'vs/workbench/services/textfile/common/textfiles';
+import { TextFileService } from 'vs/workbench/services/textfile/common/textFileService';
 
 import 'vs/workbench/browser/nodeless.simpleservices';
 import 'vs/platform/dialogs/browser/dialogService';
@@ -112,7 +114,7 @@ import 'vs/workbench/services/preferences/browser/preferencesService';
 import 'vs/workbench/services/output/common/outputChannelModelService';
 import 'vs/workbench/services/configuration/common/jsonEditingService';
 import 'vs/workbench/services/textmodelResolver/common/textModelResolverService';
-import 'vs/workbench/services/textfile/common/textFileService';
+// import 'vs/workbench/services/textfile/node/textFileService';
 import 'vs/workbench/services/dialogs/browser/fileDialogService';
 // import 'vs/workbench/services/dialogs/electron-browser/dialogService';
 // import 'vs/workbench/services/backup/node/backupFileService';
@@ -167,8 +169,8 @@ registerSingleton(IContextViewService, ContextViewService, true);
 // registerSingleton(IURLService, RelayURLService);
 registerSingleton(IHeapService, NullHeapService);
 registerSingleton(IBroadcastService, NullBroadcastService);
-
 registerSingleton(IContextMenuService, ContextMenuService);
+registerSingleton(ITextFileService, TextFileService);
 
 //#endregion