From 8ddcd326f13de9d1d9710c054ea63812996e49e5 Mon Sep 17 00:00:00 2001
From: "Michael B. Gale" <mbg@github.com>
Date: Wed, 21 Jan 2026 15:30:26 +0000
Subject: [PATCH] Support customising test directories in PR check specs

---
 pr-checks/sync.py | 35 ++++++++++++++++++++++++-----------
 1 file changed, 24 insertions(+), 11 deletions(-)

diff --git a/pr-checks/sync.py b/pr-checks/sync.py
index 77696b91f..3af031d4a 100755
--- a/pr-checks/sync.py
+++ b/pr-checks/sync.py
@@ -83,10 +83,18 @@ for file in sorted((this_dir / 'checks').glob('*.yml')):
             runnerImagesForOs = [image for image in runnerImages if image.startswith(operatingSystem)]
 
             for runnerImage in runnerImagesForOs:
-                matrix.append({
-                    'os': runnerImage,
-                    'version': version
-                })
+                if 'testDirectories' in checkSpecification:
+                    for testDirectory in checkSpecification.get('testDirectories'):
+                        matrix.append({
+                            'os': runnerImage,
+                            'version': version,
+                            'test-directory': testDirectory
+                        })
+                else:
+                    matrix.append({
+                        'os': runnerImage,
+                        'version': version
+                    })
 
         useAllPlatformBundle = "false" # Default to false
         if checkSpecification.get('useAllPlatformBundle'):
@@ -129,17 +137,22 @@ for file in sorted((this_dir / 'checks').glob('*.yml')):
             },
         ])
 
+    prepareWith = {
+        'version': '${{ matrix.version }}',
+        'use-all-platform-bundle': useAllPlatformBundle,
+        # If the action is being run from a container, then do not setup kotlin.
+        # This is because the kotlin binaries cannot be downloaded from the container.
+        'setup-kotlin': str(not 'container' in checkSpecification).lower(),
+    }
+
+    if 'testDirectories' in checkSpecification:
+        prepareWith['test-directory'] = '${{ matrix.test-directory }}'
+
     steps.append({
         'name': 'Prepare test',
         'id': 'prepare-test',
         'uses': './.github/actions/prepare-test',
-        'with': {
-            'version': '${{ matrix.version }}',
-            'use-all-platform-bundle': useAllPlatformBundle,
-            # If the action is being run from a container, then do not setup kotlin.
-            # This is because the kotlin binaries cannot be downloaded from the container.
-            'setup-kotlin': str(not 'container' in checkSpecification).lower(),
-        }
+        'with': prepareWith,
     })
 
     installGo = is_truthy(checkSpecification.get('installGo', ''))