chore(vendor): import pi 1.3.0

Imported as a linear vendor commit so forge rebases do not replay the upstream root tree.

git-subtree-dir: third_party/pi

git-subtree-split: 71023aec1546d6d677a65669c5665c0927ce0dd0

third_party/pi/packages/env/test/conformance.test.ts

@@ -0,0 +1,45 @@
+import { mkdtempSync, rmSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { registerEnvConformance } from "@earendil-works/pi-durable/testing";
+import { afterAll, describe, expect, it } from "vitest";
+import { Connection } from "../src/connection.ts";
+import { LocalExecutionEnv } from "../src/list-files.ts";
+import { RemoteExecutionEnv } from "../src/remote-env.ts";
+import { daemon } from "./daemon.ts";
+
+const connection = new Connection({ command: [daemon] });
+afterAll(() => connection.close());
+
+const windows = process.platform === "win32";
+const gitBash = join(process.env.ProgramFiles ?? "C:\\Program Files", "Git", "bin", "bash.exe");
+
+registerEnvConformance(
+	{ describe, expect, it },
+	"RemoteExecutionEnv over a pipe",
+	async (use) => {
+		const cwd = mkdtempSync(join(tmpdir(), "pi-env-conformance-"));
+		try {
+			await use(new RemoteExecutionEnv({ connection, id: "pi-env:test", cwd, watch: { pollIntervalMs: 100 } }));
+		} finally {
+			// On Windows a killed command's processes can hold the directory for a moment.
+			rmSync(cwd, { recursive: true, force: true, maxRetries: 50, retryDelay: 100 });
+		}
+	},
+	// Git Bash's `ln -s` copies instead of linking unless native symlinks are enabled.
+	windows ? { shell: [gitBash, "-c"], symlinks: false, listFiles: true } : { listFiles: true },
+);
+
+registerEnvConformance(
+	{ describe, expect, it },
+	"LocalExecutionEnv",
+	async (use) => {
+		const cwd = mkdtempSync(join(tmpdir(), "pi-env-local-conformance-"));
+		try {
+			await use(new LocalExecutionEnv({ connection, cwd, watch: { pollIntervalMs: 100 } }));
+		} finally {
+			rmSync(cwd, { recursive: true, force: true, maxRetries: 50, retryDelay: 100 });
+		}
+	},
+	windows ? { shell: [gitBash, "-c"], symlinks: false, listFiles: true } : { listFiles: true },
+);