From 605629dc74f5198348f89405224a1384976ea27c Mon Sep 17 00:00:00 2001
From: Patrik Oldsberg <poldsberg@gmail.com>
Date: Thu, 28 Jan 2021 18:06:47 +0100
Subject: [PATCH 1/2] integration: forward errors from gitlab project lookups

---
 packages/integration/src/gitlab/core.ts | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/integration/src/gitlab/core.ts b/packages/integration/src/gitlab/core.ts
index 29dcc60bac..c1d43c3a46 100644
--- a/packages/integration/src/gitlab/core.ts
+++ b/packages/integration/src/gitlab/core.ts
@@ -147,10 +147,15 @@ export async function getProjectId(
       repoIDLookup.toString(),
       getGitLabRequestOptions(config),
     );
-    const projectIDJson = await response.json();
-    const projectID = Number(projectIDJson.id);
+    const data = await response.json();
 
-    return projectID;
+    if (!response.ok) {
+      throw new Error(
+        `GitLab Error '${data.error}', ${data.error_description}`,
+      );
+    }
+
+    return Number(data.id);
   } catch (e) {
     throw new Error(`Could not get GitLab project ID for: ${target}, ${e}`);
   }

From 064c513e1af9ef25ba559dbb3fb6d8e4ce9c3610 Mon Sep 17 00:00:00 2001
From: Patrik Oldsberg <poldsberg@gmail.com>
Date: Thu, 28 Jan 2021 18:10:12 +0100
Subject: [PATCH 2/2] add changeset

---
 .changeset/moody-buckets-visit.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/moody-buckets-visit.md

diff --git a/.changeset/moody-buckets-visit.md b/.changeset/moody-buckets-visit.md
new file mode 100644
index 0000000000..07a960620b
--- /dev/null
+++ b/.changeset/moody-buckets-visit.md
@@ -0,0 +1,5 @@
+---
+'@backstage/integration': patch
+---
+
+Properly forward errors that occur when looking up GitLab project IDs.