Add Copy Extension Version action to extension context menu

Author: alichtman

src/vs/workbench/contrib/extensions/browser/extensions.contribution.ts

@@ -1709,6 +1709,23 @@ class ExtensionsContributions extends Disposable implements IWorkbenchContributi
 			run: async (accessor: ServicesAccessor, id: string) => accessor.get(IClipboardService).writeText(id)
 		});
 
+		this.registerExtensionAction({
+			id: 'workbench.extensions.action.copyExtensionVersion',
+			title: localize2('workbench.extensions.action.copyExtensionVersion', 'Copy Extension Version'),
+			menu: {
+				id: MenuId.ExtensionContext,
+				group: '1_copy'
+			},
+			run: async (accessor: ServicesAccessor, extensionId: string) => {
+				const clipboardService = accessor.get(IClipboardService);
+				const extension = this.extensionsWorkbenchService.local.filter(e => areSameExtensions(e.identifier, { id: extensionId }))[0]
+					|| (await this.extensionsWorkbenchService.getExtensions([{ id: extensionId }], CancellationToken.None))[0];
+				if (extension) {
+					await clipboardService.writeText(extension.version);
+				}
+			}
+		});
+
 		this.registerExtensionAction({
 			id: 'workbench.extensions.action.copyLink',
 			title: localize2('workbench.extensions.action.copyLink', 'Copy Link'),