From 633a012f7db23425b55f2d4154a0a710b6079f9a Mon Sep 17 00:00:00 2001
From: David Herrmann <dh.herrmann@gmail.com>
Date: Wed, 15 Jul 2015 11:58:03 +0200
Subject: [PATCH 11/47] sd-boot: ignore missing /etc/machine-id

If /etc/machine-id is missing (eg., gold images), we should not fail
installing sd-boot. This is a perfectly fine use-case and we should simply
skip installing the default loader config in that case.
---
 src/boot/bootctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/boot/bootctl.c b/src/boot/bootctl.c
index ed69fb0..faab82d 100644
--- a/src/boot/bootctl.c
+++ b/src/boot/bootctl.c
@@ -888,7 +888,7 @@ static int install_loader_config(const char *esp_path) {
 
         f = fopen("/etc/machine-id", "re");
         if (!f)
-                return -errno;
+                return errno == ENOENT ? 0 : -errno;
 
         if (fgets(line, sizeof(line), f) != NULL) {
                 char *s;
-- 
2.5.0