From 3969a947e195ceee450bb2ddc0e258c7c585076a Mon Sep 17 00:00:00 2001
From: Michal Piechowiak <misiek.piechowiak@gmail.com>
Date: Tue, 23 Oct 2018 13:51:19 +0200
Subject: [PATCH] fix(gatsby-source-contentful): fix missing linked assets when
 editing unrelated fields (#9303)

---
 packages/gatsby-source-contentful/src/normalize.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/gatsby-source-contentful/src/normalize.js b/packages/gatsby-source-contentful/src/normalize.js
index e820a887b37d1..a2dc9cf557b2f 100644
--- a/packages/gatsby-source-contentful/src/normalize.js
+++ b/packages/gatsby-source-contentful/src/normalize.js
@@ -89,7 +89,16 @@ exports.buildResolvableSet = ({
   defaultLocale,
 }) => {
   const resolvable = new Set()
-  existingNodes.forEach(n => resolvable.add(n.id))
+  existingNodes.forEach(n => {
+    if (n.contentful_id) {
+      // We need to add only root level resolvable (assets and entries)
+      // derived nodes (markdown or JSON) will be recreated if needed.
+      // We also need to apply `fixId` as some objects will have ids
+      // prefixed with `c` and fixIds will recursively apply that
+      // and resolvable ids need to match that.
+      resolvable.add(fixId(n.contentful_id))
+    }
+  })
 
   entryList.forEach(entries => {
     entries.forEach(entry => {