set configScanDir as package scoped var (#264)

set config.Install.env variables in environment

adding env to config to use across all stages

switch to config.Scan to read config

pkg/config/config.go

@@ -40,6 +40,7 @@ type Config struct {
 	FailOnBundleErrors bool              `yaml:"fail_on_bundles_errors,omitempty"`
 	Bundles            Bundles           `yaml:"bundles,omitempty"`
 	GrubOptions        map[string]string `yaml:"grub_options,omitempty"`
+	Env                []string          `yaml:"env,omitempty"`
 }
 
 type Bundles []Bundle

pkg/utils/env.go

@@ -0,0 +1,16 @@
+package utils
+
+import (
+	"os"
+	"strings"
+)
+
+func SetEnv(env []string) {
+
+	for _, e := range env {
+		pair := strings.SplitN(e, "=", 2)
+		if len(pair) >= 2 {
+			os.Setenv(pair[0], pair[1])
+		}
+	}
+}