Add DumpEnv func

Author: suaas21

pkg/restic/config.go

@@ -1,8 +1,11 @@
 package restic
 
 import (
+	"fmt"
 	shell "github.com/codeskyblue/go-sh"
 	ofst "kmodules.xyz/offshoot-api/api/v1"
+	"os"
+	"path/filepath"
 	"stash.appscode.dev/stash/apis/stash/v1alpha1"
 )
 
@@ -97,6 +100,28 @@ func (w *ResticWrapper) SetEnv(key, value string) {
 	}
 }
 
+func (w *ResticWrapper) DumpEnv(path string, resticEnvs string) error{
+	if err := os.MkdirAll(path, 0755); err != nil {
+		return err
+	}
+
+	file, err := os.Create(filepath.Join(path, resticEnvs))
+	if err != nil {
+		return err
+	}
+
+	if w.sh != nil {
+		for k,v:= range w.sh.Env{
+			kv := fmt.Sprintf("%s=%s\n", k, v)
+			_, err = file.Write([]byte(kv))
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
 func (w *ResticWrapper) HideCMD() {
 	if w.sh != nil {
 		w.sh.ShowCMD = false