haram
801553b118
* Implement fuse-projfs to use ProjFS on WIndows. * fix(pi-natives): prevent ProjFS session key mismatch and start race --------- Co-authored-by: can1357 <me@can.ac>
73 lines
2.8 KiB
TypeScript
73 lines
2.8 KiB
TypeScript
import { projfsOverlayProbe } from "@oh-my-pi/pi-natives";
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import { Snowflake } from "@oh-my-pi/pi-utils";
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import { cleanupProjfsOverlay, ensureProjfsOverlay, isProjfsUnavailableError } from "./worktree";
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export type TaskIsolationMode = "none" | "worktree" | "fuse-overlay" | "fuse-projfs";
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export interface IsolationBackendResolution {
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effectiveIsolationMode: TaskIsolationMode;
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warning: string;
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}
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export async function resolveIsolationBackendForTaskExecution(
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requestedMode: TaskIsolationMode,
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isIsolated: boolean,
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repoRoot: string | null,
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platform: NodeJS.Platform = process.platform,
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): Promise<IsolationBackendResolution> {
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let effectiveIsolationMode = requestedMode;
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let warning = "";
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if (!(isIsolated && repoRoot)) {
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return { effectiveIsolationMode, warning };
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}
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if (requestedMode === "fuse-overlay" && platform === "win32") {
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effectiveIsolationMode = "worktree";
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warning =
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'<system-notification>fuse-overlay isolation is unavailable on Windows. Use task.isolation.mode = "fuse-projfs" for ProjFS. Falling back to worktree isolation.</system-notification>';
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return { effectiveIsolationMode, warning };
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}
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if (requestedMode === "fuse-projfs" && platform !== "win32") {
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effectiveIsolationMode = "worktree";
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warning =
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"<system-notification>fuse-projfs isolation is only available on Windows. Falling back to worktree isolation.</system-notification>";
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return { effectiveIsolationMode, warning };
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}
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if (!(requestedMode === "fuse-projfs" && platform === "win32")) {
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return { effectiveIsolationMode, warning };
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}
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const probe = projfsOverlayProbe();
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if (!probe.available) {
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effectiveIsolationMode = "worktree";
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const reason = probe.reason ? ` Reason: ${probe.reason}` : "";
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warning = `<system-notification>ProjFS is unavailable on this host. Falling back to worktree isolation.${reason}</system-notification>`;
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return { effectiveIsolationMode, warning };
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}
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const probeIsolationId = `probe-${Snowflake.next()}`;
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let probeIsolationDir: string | null = null;
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try {
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probeIsolationDir = await ensureProjfsOverlay(repoRoot, probeIsolationId);
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} catch (err) {
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if (isProjfsUnavailableError(err)) {
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effectiveIsolationMode = "worktree";
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const raw = err instanceof Error ? err.message : String(err);
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const reason = raw.replace(/^PROJFS_UNAVAILABLE:\s*/, "");
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const detail = reason ? ` Reason: ${reason}` : "";
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warning = `<system-notification>ProjFS prerequisites are unavailable for this repository. Falling back to worktree isolation.${detail}</system-notification>`;
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} else {
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const message = err instanceof Error ? err.message : String(err);
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throw new Error(`ProjFS isolation initialization failed. ${message}`);
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}
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} finally {
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if (probeIsolationDir) {
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await cleanupProjfsOverlay(probeIsolationDir);
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}
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}
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return { effectiveIsolationMode, warning };
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}
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