if v, ok := os.LookupEnv(k); ok {
			env = append(env, k+"="+v)
		}
	}

	if os.Getenv("GO_BUILDER_NAME") != "" || os.Getenv("GIT_TRACE_CURL") == "1" {
		// To help diagnose https://go.dev/issue/52545,
		// enable tracing for Git HTTPS requests.
		env = append(env,
			"GIT_TRACE_CURL=1",
			"GIT_TRACE_CURL_NO_DATA=1",
			"GIT_REDACT_COOKIES=o,SSO,GSSO_Uberproxy")
	}

	return env
}

		"CMDGO_TEST_RUN_MAIN=true",
		"HGRCPATH=",
		"GOTOOLCHAIN=auto",
		"newline=\n",
	}

	if testenv.Builder() != "" || os.Getenv("GIT_TRACE_CURL") == "1" {
		// To help diagnose https://go.dev/issue/52545,
		// enable tracing for Git HTTPS requests.
		env = append(env,
			"GIT_TRACE_CURL=1",
			"GIT_TRACE_CURL_NO_DATA=1",
			"GIT_REDACT_COOKIES=o,SSO,GSSO_Uberproxy")
	}
	if testing.Short() {

	if cfg.Getenv("GOCACHE") == "" {
		os.Setenv("GOCACHE", testGOCACHE) // because $HOME is gone
	}

	if testenv.Builder() != "" || os.Getenv("GIT_TRACE_CURL") == "1" {
		// 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()