Adds better log caching for timeline

src/env/node/git/localGitProvider.ts

@@ -3095,7 +3095,7 @@ export class LocalGitProvider implements GitProvider, Disposable {
 					return cachedLog.item;
 				}
 
-				if (options.ref != null || options.limit != null) {
+				if (options.ref != null || (options.limit != null && options.limit !== 0)) {
 					// Since we are looking for partial log, see if we have the log of the whole file
 					const cachedLog = doc.state.getLog(
 						`log${options.renames ? ':follow' : ''}${options.reverse ? ':reverse' : ''}`,

src/plus/webviews/timeline/timelineWebview.ts

@@ -474,14 +474,26 @@ function generateRandomTimelineDataset(): Commit[] {
 function getPeriodDate(period: Period): Date {
 	const [number, unit] = period.split('|');
 
+	let date;
 	switch (unit) {
 		case 'D':
-			return createFromDateDelta(new Date(), { days: -parseInt(number, 10) });
+			date = createFromDateDelta(new Date(), { days: -parseInt(number, 10) });
+			break;
 		case 'M':
-			return createFromDateDelta(new Date(), { months: -parseInt(number, 10) });
+			date = createFromDateDelta(new Date(), { months: -parseInt(number, 10) });
+			break;
 		case 'Y':
-			return createFromDateDelta(new Date(), { years: -parseInt(number, 10) });
+			date = createFromDateDelta(new Date(), { years: -parseInt(number, 10) });
+			break;
 		default:
-			return createFromDateDelta(new Date(), { months: -3 });
+			date = createFromDateDelta(new Date(), { months: -3 });
+			break;
 	}
+
+	// If we are more than 1/2 way through the day, then set the date to the next day
+	if (date.getHours() >= 12) {
+		date.setDate(date.getDate() + 1);
+	}
+	date.setHours(0, 0, 0, 0);
+	return date;
 }