Initial v1.0.0 commit

vendor/github.com/gobuffalo/packr/v2/internal/envy.go

@@ -0,0 +1,37 @@
+package internal
+
+import (
+	"os"
+	"runtime"
+	"strings"
+)
+
+// Mods returns true when go modules supports is enabled
+func Mods() bool {
+	go111 := os.Getenv("GO111MODULE")
+
+	if !inGoPath() {
+		return go111 != "off"
+	}
+
+	return go111 == "on"
+}
+
+func inGoPath() bool {
+	pwd, _ := os.Getwd()
+	for _, p := range GoPaths() {
+		if strings.HasPrefix(pwd, p) {
+			return true
+		}
+	}
+	return false
+}
+
+// GoPaths return the defined gopath list.
+func GoPaths() []string {
+	gp := os.Getenv("GOPATH")
+	if runtime.GOOS == "windows" {
+		return strings.Split(gp, ";") // Windows uses a different separator
+	}
+	return strings.Split(gp, ":")
+}