From dff0489af9baa93275d388f762a5f18386d81f84 Mon Sep 17 00:00:00 2001
From: Sarah German <sgerman@gitlab.com>
Date: Tue, 6 May 2025 09:57:22 -0500
Subject: [PATCH] Run Hugo build test on the correct Docs branch

We need to target the appropriate branch of the Docs
site in the event of an MR targeting a stable release
branch.
---
 .gitlab/ci/checks.yml | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/.gitlab/ci/checks.yml b/.gitlab/ci/checks.yml
index e61e5429e5..e62afabfbe 100644
--- a/.gitlab/ci/checks.yml
+++ b/.gitlab/ci/checks.yml
@@ -99,8 +99,24 @@ check_docs_links:
 docs-test hugo:
   image: registry.gitlab.com/gitlab-org/technical-writing/docs-gitlab-com/docs-gitlab-com-builder:hugo-0.145.0
   stage: prepare
+  variables:
+    DOCS_BRANCH: "main"
   before_script:
-    - git clone --depth 1 https://gitlab.com/gitlab-org/technical-writing/docs-gitlab-com.git
+    # Check if this is targeting a stable branch
+    - |
+      if [[ $CI_MERGE_REQUEST_TARGET_BRANCH_NAME =~ ^([0-9]+)-([0-9]+)-stable ]]; then
+        # Extract major and minor version from the branch name
+        CHART_MAJOR=$(echo $CI_MERGE_REQUEST_TARGET_BRANCH_NAME | cut -d '-' -f 1)
+        CHART_MINOR=$(echo $CI_MERGE_REQUEST_TARGET_BRANCH_NAME | cut -d '-' -f 2)
+
+        # Add 9 to chart major version to get GitLab Docs version
+        DOCS_MAJOR=$((CHART_MAJOR + 9))
+        DOCS_BRANCH="$DOCS_MAJOR.$CHART_MINOR"
+
+        echo "Using docs-gitlab-com branch $DOCS_BRANCH for release branch"
+      fi
+    # Clone the Docs website project
+    - git clone --depth 1 --filter=tree:0 --branch $DOCS_BRANCH https://gitlab.com/gitlab-org/technical-writing/docs-gitlab-com.git
     - cd docs-gitlab-com
     - make add-latest-icons
     # Copy the current project's docs to the appropriate location in the docs website
-- 
GitLab