| package packr |
| |
| import ( |
| "os" |
| "os/exec" |
| "path/filepath" |
| "strings" |
| "sync" |
| ) |
| |
| var goPath = filepath.Join(os.Getenv("HOME"), "go") |
| |
| func init() { |
| var once sync.Once |
| once.Do(func() { |
| cmd := exec.Command("go", "env", "GOPATH") |
| b, err := cmd.CombinedOutput() |
| if err != nil { |
| return |
| } |
| goPath = strings.TrimSpace(string(b)) |
| }) |
| } |
| |
| // GoPath returns the current GOPATH env var |
| // or if it's missing, the default. |
| func GoPath() string { |
| return goPath |
| } |
| |
| // GoBin returns the current GO_BIN env var |
| // or if it's missing, a default of "go" |
| func GoBin() string { |
| go_bin := os.Getenv("GO_BIN") |
| if go_bin == "" { |
| return "go" |
| } |
| return go_bin |
| } |