strip quotes from env vars

pkg/backend/new.go

@@ -34,6 +34,9 @@ func loadEnvFile(path string) {
 			v = v[:i]
 		}
 		v = strings.TrimSpace(v)
+		if len(v) >= 2 && (v[0] == '"' && v[len(v)-1] == '"' || v[0] == '\'' && v[len(v)-1] == '\'') {
+			v = v[1 : len(v)-1]
+		}
 		if k != "" && os.Getenv(k) == "" {
 			os.Setenv(k, v)
 		}