Support default value of $GOPATH (#532)
Add support for go1.8 of blank $GOPATH
diff --git a/cobra/cmd/helpers.go b/cobra/cmd/helpers.go
index c5e261c..e5b37ec 100644
--- a/cobra/cmd/helpers.go
+++ b/cobra/cmd/helpers.go
@@ -18,6 +18,7 @@
"fmt"
"io"
"os"
+ "os/exec"
"path/filepath"
"strings"
"text/template"
@@ -31,7 +32,27 @@
envGoPath := os.Getenv("GOPATH")
goPaths := filepath.SplitList(envGoPath)
if len(goPaths) == 0 {
- er("$GOPATH is not set")
+ // Adapted from https://github.com/Masterminds/glide/pull/798/files.
+ // As of Go 1.8 the GOPATH is no longer required to be set. Instead there
+ // is a default value. If there is no GOPATH check for the default value.
+ // Note, checking the GOPATH first to avoid invoking the go toolchain if
+ // possible.
+
+ goExecutable := os.Getenv("COBRA_GO_EXECUTABLE")
+ if len(goExecutable) <= 0 {
+ goExecutable = "go"
+ }
+
+ out, err := exec.Command(goExecutable, "env", "GOPATH").Output()
+ if err != nil {
+ er(err)
+ }
+
+ toolchainGoPath := strings.TrimSpace(string(out))
+ goPaths = filepath.SplitList(toolchainGoPath)
+ if len(goPaths) == 0 {
+ er("$GOPATH is not set")
+ }
}
srcPaths = make([]string, 0, len(goPaths))
for _, goPath := range goPaths {
