Function checkGitInstallation

src/core/checkpoints/index.ts:132–210

(
	task: Task,
	service: RepoPerTaskCheckpointService,
	log: (message: string) => void,
	provider: any,
)

}

async function checkGitInstallation(
	task: Task,
	service: RepoPerTaskCheckpointService,
	log: (message: string) => void,
	provider: any,
) {
	try {
		const gitInstalled = await checkGitInstalled()

		if (!gitInstalled) {
			log("[Task#getCheckpointService] Git is not installed, disabling checkpoints")
			task.enableCheckpoints = false
			task.checkpointServiceInitializing = false

			// Show user-friendly notification
			const selection = await vscode.window.showWarningMessage(
				t("common:errors.git_not_installed"),
				t("common:buttons.learn_more"),
			)

			if (selection === t("common:buttons.learn_more")) {
				await vscode.env.openExternal(vscode.Uri.parse("https://git-scm.com/downloads"))
			}

			return
		}

		// Git is installed, proceed with initialization
		service.on("initialize", () => {
			log("[Task#getCheckpointService] service initialized")
			task.checkpointServiceInitializing = false
		})

		service.on("checkpoint", ({ fromHash: from, toHash: to, suppressMessage }) => {
			try {
				sendCheckpointInitWarn(task)
				// Always update the current checkpoint hash in the webview, including the suppress flag
				provider?.postMessageToWebview({
					type: "currentCheckpointUpdated",
					text: to,
					suppressMessage: !!suppressMessage,
				})

				// Always create the chat message but include the suppress flag in the payload
				// so the chatview can choose not to render it while keeping it in history.
				task.say(
					"checkpoint_saved",
					to,
					undefined,
					undefined,
					{ from, to, suppressMessage: !!suppressMessage },
					undefined,
					{ isNonInteractive: true },
				).catch((err) => {
					log("[Task#getCheckpointService] caught unexpected error in say('checkpoint_saved')")
					console.error(err)
				})
			} catch (err) {