The name of checksum database to use and optionally its public key and
		URL. See https://golang.org/ref/mod#authenticating.
	GOTOOLCHAIN
		Controls which Go toolchain is used. See https://go.dev/doc/toolchain.
	GOTMPDIR
		The directory where the go command will write
		temporary source files, packages, and binaries.
	GOVCS
		Lists version control commands that may be used with matching servers.
		See 'go help vcs'.
	GOWORK

//		The name of checksum database to use and optionally its public key and
//		URL. See https://golang.org/ref/mod#authenticating.
//	GOTOOLCHAIN
//		Controls which Go toolchain is used. See https://go.dev/doc/toolchain.
//	GOTMPDIR
//		The directory where the go command will write
//		temporary source files, packages, and binaries.
//	GOVCS
//		Lists version control commands that may be used with matching servers.
//		See 'go help vcs'.