moby/pkg/homedir/homedir_unix.go
Tibor Vass 023b072288 homedir: add cgo or osusergo buildtag constraints for unix
This is to ensure that users of the homedir package cannot
compile statically (CGO_ENABLED=0) without also setting the osusergo
build tag.

Signed-off-by: Tibor Vass <tibor@docker.com>
2019-09-26 21:09:36 +00:00

35 lines
937 B
Go

// +build !windows,cgo !windows,osusergo
package homedir // import "github.com/docker/docker/pkg/homedir"
import (
"os"
"os/user"
)
// Key returns the env var name for the user's home dir based on
// the platform being run on
func Key() string {
return "HOME"
}
// Get returns the home directory of the current user with the help of
// environment variables depending on the target operating system.
// Returned path should be used with "path/filepath" to form new paths.
// If compiling statically, ensure the osusergo build tag is used.
// If needing to do nss lookups, do not compile statically.
func Get() string {
home := os.Getenv(Key())
if home == "" {
if u, err := user.Current(); err == nil {
return u.HomeDir
}
}
return home
}
// GetShortcutString returns the string that is shortcut to user's home directory
// in the native shell of the platform running on.
func GetShortcutString() string {
return "~"
}