From 3e0f0c02850b3f1e75400644252cc9d5edaf33a7 Mon Sep 17 00:00:00 2001
From: ahmed <ahmed@planet.com>
Date: Mon, 26 Sep 2022 22:02:22 +0200
Subject: [PATCH 1/4] oauth: consider hosted gitlab with relative path

Signed-off-by: ahmed <ahmed@planet.com>
---
 plugins/auth-backend/src/providers/gitlab/provider.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugins/auth-backend/src/providers/gitlab/provider.ts b/plugins/auth-backend/src/providers/gitlab/provider.ts
index 7f5489d391..31efafa4ee 100644
--- a/plugins/auth-backend/src/providers/gitlab/provider.ts
+++ b/plugins/auth-backend/src/providers/gitlab/provider.ts
@@ -91,6 +91,9 @@ export class GitlabAuthProvider implements OAuthHandlers {
         clientSecret: options.clientSecret,
         callbackURL: options.callbackUrl,
         baseURL: options.baseUrl,
+        authorizationURL: `${options.baseUrl}/oauth/authorize`,
+        tokenURL: `${options.baseUrl}/oauth/token`,
+        profileURL: `${options.baseUrl}/api/v4/user`,
       },
       (
         accessToken: any,

From 8c6ec175bf814faea25ce7113643cadd6bd9ceea Mon Sep 17 00:00:00 2001
From: ahmed <ahmed@planet.com>
Date: Mon, 26 Sep 2022 22:09:38 +0200
Subject: [PATCH 2/4] changeset

Signed-off-by: ahmed <ahmed@planet.com>
---
 .changeset/slow-mirrors-eat.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/slow-mirrors-eat.md

diff --git a/.changeset/slow-mirrors-eat.md b/.changeset/slow-mirrors-eat.md
new file mode 100644
index 0000000000..59e0c38484
--- /dev/null
+++ b/.changeset/slow-mirrors-eat.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-auth-backend': patch
+---
+
+oauth callbacks to consider installations with relative_url

From 35bac0dbf1113c37da9404fc7ce54303f6c0bcd8 Mon Sep 17 00:00:00 2001
From: ahmed <ahmed@planet.com>
Date: Mon, 26 Sep 2022 22:12:56 +0200
Subject: [PATCH 3/4] make docs happy

Signed-off-by: ahmed <ahmed@planet.com>
---
 .changeset/slow-mirrors-eat.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.changeset/slow-mirrors-eat.md b/.changeset/slow-mirrors-eat.md
index 59e0c38484..5a71095820 100644
--- a/.changeset/slow-mirrors-eat.md
+++ b/.changeset/slow-mirrors-eat.md
@@ -2,4 +2,4 @@
 '@backstage/plugin-auth-backend': patch
 ---
 
-oauth callbacks to consider installations with relative_url
+oauth callbacks to consider installations with relative URL.

From f0f34a493cf0fb051cd5ee37d9d5e64e01f96a9c Mon Sep 17 00:00:00 2001
From: Ahmed <a.alshirbiny@gmail.com>
Date: Tue, 27 Sep 2022 10:12:43 +0200
Subject: [PATCH 4/4] Update .changeset/slow-mirrors-eat.md

Co-authored-by: Patrik Oldsberg <poldsberg@gmail.com>
Signed-off-by: Ahmed <a.alshirbiny@gmail.com>
---
 .changeset/slow-mirrors-eat.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.changeset/slow-mirrors-eat.md b/.changeset/slow-mirrors-eat.md
index 5a71095820..6996a977d0 100644
--- a/.changeset/slow-mirrors-eat.md
+++ b/.changeset/slow-mirrors-eat.md
@@ -2,4 +2,4 @@
 '@backstage/plugin-auth-backend': patch
 ---
 
-oauth callbacks to consider installations with relative URL.
+Fix GitLab provider setup so that it supports GitLab installations with a path in the URL.