deco - scm decorator hacks to make things look nice. time for extension api...

src/vs/workbench/parts/scm/electron-browser/scmFileDecorations.ts

@@ -62,11 +62,11 @@ class SCMDecorationsProvider implements IDecorationsProvider {
 
 	provideDecorations(uri: URI): IResourceDecorationData {
 		const resource = this._data.get(uri.toString());
-		if (!resource) {
+		if (!resource || !resource.decorations.color) {
 			return undefined;
 		}
 		return {
-			weight: 10,
+			weight: 100 - resource.decorations.tooltip.charAt(0).toLowerCase().charCodeAt(0),
 			tooltip: localize('tooltip', "{0}, {1}", resource.decorations.tooltip, this._provider.label),
 			color: resource.decorations.color,
 			letter: resource.decorations.tooltip.charAt(0)