From e6e566439685bcfc59d46db2992266cccd8867b9 Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Thu, 6 Apr 2017 19:36:54 +0200
Subject: [PATCH] cmd/geth: hide genesis block in dumpconfig output

---
 cmd/geth/config.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/cmd/geth/config.go b/cmd/geth/config.go
index 2eaef9dbab..d0446b1ad7 100644
--- a/cmd/geth/config.go
+++ b/cmd/geth/config.go
@@ -20,6 +20,7 @@ import (
 	"bufio"
 	"encoding/hex"
 	"errors"
+	"io"
 	"os"
 
 	cli "gopkg.in/urfave/cli.v1"
@@ -137,10 +138,18 @@ func makeFullNode(ctx *cli.Context) *node.Node {
 // dumpConfig is the dumpconfig command.
 func dumpConfig(ctx *cli.Context) error {
 	_, cfg := makeConfigNode(ctx)
+	comment := ""
+
+	if cfg.Eth.Genesis != nil {
+		cfg.Eth.Genesis = nil
+		comment += "# Note: this config doesn't contain the genesis block.\n\n"
+	}
+
 	out, err := toml.Marshal(&cfg)
 	if err != nil {
 		return err
 	}
+	io.WriteString(os.Stdout, comment)
 	os.Stdout.Write(out)
 	return nil
 }