Serge Bazanski | cc25bdf | 2018-10-25 14:02:58 +0200 | [diff] [blame] | 1 | package packr |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "os/exec" |
| 6 | "path/filepath" |
| 7 | "strings" |
| 8 | "sync" |
| 9 | ) |
| 10 | |
| 11 | var goPath = filepath.Join(os.Getenv("HOME"), "go") |
| 12 | |
| 13 | func init() { |
| 14 | var once sync.Once |
| 15 | once.Do(func() { |
| 16 | cmd := exec.Command("go", "env", "GOPATH") |
| 17 | b, err := cmd.CombinedOutput() |
| 18 | if err != nil { |
| 19 | return |
| 20 | } |
| 21 | goPath = strings.TrimSpace(string(b)) |
| 22 | }) |
| 23 | } |
| 24 | |
| 25 | // GoPath returns the current GOPATH env var |
| 26 | // or if it's missing, the default. |
| 27 | func GoPath() string { |
| 28 | return goPath |
| 29 | } |
| 30 | |
| 31 | // GoBin returns the current GO_BIN env var |
| 32 | // or if it's missing, a default of "go" |
| 33 | func GoBin() string { |
| 34 | go_bin := os.Getenv("GO_BIN") |
| 35 | if go_bin == "" { |
| 36 | return "go" |
| 37 | } |
| 38 | return go_bin |
| 39 | } |