// To help diagnose https://go.dev/issue/52545,
		// enable tracing for Git HTTPS requests.
		os.Setenv("GIT_TRACE_CURL", "1")
		os.Setenv("GIT_TRACE_CURL_NO_DATA", "1")
		os.Setenv("GIT_REDACT_COOKIES", "o,SSO,GSSO_Uberproxy")
	}

	r := m.Run()
	if !*testWork {
		removeAll(testTmpDir) // os.Exit won't run defer
	}

	if !*testWork {
		// There shouldn't be anything left in topTmpdir.