fix(model-server): RepositoriesManager.getVersionHash wasn't atomic

modelix · Feb 20, 2024 · 10260f7 · 10260f7
1 parent 22b4384
commit 10260f7
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/model-server/src/main/kotlin/org/modelix/model/server/handlers/RepositoriesManager.kt b/model-server/src/main/kotlin/org/modelix/model/server/handlers/RepositoriesManager.kt
@@ -214,8 +214,10 @@ class RepositoriesManager(val client: LocalModelClient) {
     }
 
     fun getVersionHash(branch: BranchReference): String? {
-        return store[branchKey(branch)]
-            ?: store[legacyBranchKey(branch)]?.also { store.put(branchKey(branch), it, true) }
+        return store.runTransaction {
+            store[branchKey(branch)]
+                ?: store[legacyBranchKey(branch)]?.also { store.put(branchKey(branch), it, true) }
+        }
     }
 
     private fun putVersionHash(branch: BranchReference, hash: String?) {