cfg

package standard library
go1.13.4 Latest Latest
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Published: Oct 31, 2019 License: BSD-3-Clause Imports: 11 Imported by: 0

Documentation

Overview

Package cfg holds configuration shared by multiple parts of the go command.

Index

Constants

This section is empty.

Variables

View Source
var (
	BuildA                 bool   // -a flag
	BuildBuildmode         string // -buildmode flag
	BuildContext           = defaultContext()
	BuildMod               string             // -mod flag
	BuildI                 bool               // -i flag
	BuildLinkshared        bool               // -linkshared flag
	BuildMSan              bool               // -msan flag
	BuildN                 bool               // -n flag
	BuildO                 string             // -o flag
	BuildP                 = runtime.NumCPU() // -p flag
	BuildPkgdir            string             // -pkgdir flag
	BuildRace              bool               // -race flag
	BuildToolexec          []string           // -toolexec flag
	BuildToolchainName     string
	BuildToolchainCompiler func() string
	BuildToolchainLinker   func() string
	BuildTrimpath          bool // -trimpath flag
	BuildV                 bool // -v flag
	BuildWork              bool // -work flag
	BuildX                 bool // -x flag

	CmdName string // "build", "install", "list", "mod tidy", etc.

	DebugActiongraph string // -debug-actiongraph flag (undocumented, unstable)
)

These are general "build flags" used by build and other commands.

View Source
var (
	Goarch = BuildContext.GOARCH
	Goos   = BuildContext.GOOS

	ExeSuffix = exeSuffix()

	// ModulesEnabled specifies whether the go command is running
	// in module-aware mode (as opposed to GOPATH mode).
	// It is equal to modload.Enabled, but not all packages can import modload.
	ModulesEnabled bool
)

Global build parameters (used during package load)

View Source
var (
	GOROOT       = BuildContext.GOROOT
	GOBIN        = Getenv("GOBIN")
	GOROOTbin    = filepath.Join(GOROOT, "bin")
	GOROOTpkg    = filepath.Join(GOROOT, "pkg")
	GOROOTsrc    = filepath.Join(GOROOT, "src")
	GOROOT_FINAL = findGOROOT_FINAL()

	// Used in envcmd.MkEnv and build ID computations.
	GOARM    = envOr("GOARM", fmt.Sprint(objabi.GOARM))
	GO386    = envOr("GO386", objabi.GO386)
	GOMIPS   = envOr("GOMIPS", objabi.GOMIPS)
	GOMIPS64 = envOr("GOMIPS64", objabi.GOMIPS64)
	GOPPC64  = envOr("GOPPC64", fmt.Sprintf("%s%d", "power", objabi.GOPPC64))
	GOWASM   = envOr("GOWASM", fmt.Sprint(objabi.GOWASM))

	GOPROXY   = envOr("GOPROXY", "https://proxy.golang.org,direct")
	GOSUMDB   = envOr("GOSUMDB", "sum.golang.org")
	GOPRIVATE = Getenv("GOPRIVATE")
	GONOPROXY = envOr("GONOPROXY", GOPRIVATE)
	GONOSUMDB = envOr("GONOSUMDB", GOPRIVATE)
)
View Source
var CmdEnv []EnvVar

CmdEnv is the new environment for running go tool commands. User binaries (during go test or go run) are run with OrigEnv, not CmdEnv.

View Source
var OrigEnv []string

OrigEnv is the original environment of the program at startup.

Functions

func CanGetenv added in go1.13

func CanGetenv(key string) bool

CanGetenv reports whether key is a valid go/env configuration key.

func EnvFile added in go1.13

func EnvFile() (string, error)

EnvFile returns the name of the Go environment configuration file.

func GetArchEnv added in go1.13

func GetArchEnv() (key, val string)

GetArchEnv returns the name and setting of the GOARCH-specific architecture environment variable. If the current architecture has no GOARCH-specific variable, GetArchEnv returns empty key and value.

func Getenv added in go1.13

func Getenv(key string) string

Getenv gets the value for the configuration key. It consults the operating system environment and then the go/env file. If Getenv is called for a key that cannot be set in the go/env file (for example GODEBUG), it panics. This ensures that CanGetenv is accurate, so that 'go env -w' stays in sync with what Getenv can retrieve.

Types

type EnvVar

type EnvVar struct {
	Name  string
	Value string
}

An EnvVar is an environment variable Name=Value.

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