Function checkpointDiff

src/core/checkpoints/index.ts:317–392

(task: Task, { ts, previousCommitHash, commitHash, mode }: CheckpointDiffOptions)

}

export async function checkpointDiff(task: Task, { ts, previousCommitHash, commitHash, mode }: CheckpointDiffOptions) {
	const service = await getCheckpointService(task)

	if (!service) {
		return
	}

	TelemetryService.instance.captureCheckpointDiffed(task.taskId)

	let fromHash: string | undefined
	let toHash: string | undefined
	let title: string

	const checkpoints = task.clineMessages.filter(({ say }) => say === "checkpoint_saved").map(({ text }) => text!)

	if (["from-init", "full"].includes(mode) && checkpoints.length < 1) {
		vscode.window.showInformationMessage(t("common:errors.checkpoint_no_first"))
		return
	}

	const idx = checkpoints.indexOf(commitHash)
	switch (mode) {
		case "checkpoint":
			fromHash = commitHash
			toHash = idx !== -1 && idx < checkpoints.length - 1 ? checkpoints[idx + 1] : undefined
			title = t("common:errors.checkpoint_diff_with_next")
			break
		case "from-init":
			fromHash = checkpoints[0]
			toHash = commitHash
			title = t("common:errors.checkpoint_diff_since_first")
			break
		case "to-current":
			fromHash = commitHash
			toHash = undefined
			title = t("common:errors.checkpoint_diff_to_current")
			break
		case "full":
			fromHash = checkpoints[0]
			toHash = undefined
			title = t("common:errors.checkpoint_diff_since_first")
			break
	}

	if (!fromHash) {
		vscode.window.showInformationMessage(t("common:errors.checkpoint_no_previous"))
		return
	}

	try {
		const changes = await service.getDiff({ from: fromHash, to: toHash })

		if (!changes?.length) {
			vscode.window.showInformationMessage(t("common:errors.checkpoint_no_changes"))
			return
		}

		await vscode.commands.executeCommand(