From c211763b5de3e14c71d5c83ee467d948b49c3de3 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <stapelberg@google.com>
Date: Sat, 20 Jul 2019 10:49:53 +0200
Subject: [PATCH] dhcp4d: indent leases.json for easier human editing

---
 cmd/dhcp4d/dhcp4d.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cmd/dhcp4d/dhcp4d.go b/cmd/dhcp4d/dhcp4d.go
index fb707dd..50c3c4a 100644
--- a/cmd/dhcp4d/dhcp4d.go
+++ b/cmd/dhcp4d/dhcp4d.go
@@ -151,7 +151,11 @@ func logic() error {
 			errs <- err
 			return
 		}
-		if err := renameio.WriteFile("/perm/dhcp4d/leases.json", b, 0644); err != nil {
+		var out bytes.Buffer
+		if err := json.Indent(&out, b, "", "\t"); err == nil {
+			b = out.Bytes()
+		}
+		if err := renameio.WriteFile("/perm/dhcp4d/leases.json", out.Bytes(), 0644); err != nil {
 			errs <- err
 		}
 		updateNonExpired(leases)