From 955873a98a8aba4325d594b54097dd00bd4750f9 Mon Sep 17 00:00:00 2001
From: krishanbhasin-gc <krishanbhasin@gocardless.com>
Date: Fri, 21 Apr 2023 16:27:00 +0100
Subject: [PATCH] add a fallback restore-key for poetry cache

---
 __tests__/cache-restore.test.ts         | 2 +-
 src/cache-distributions/poetry-cache.ts | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/__tests__/cache-restore.test.ts b/__tests__/cache-restore.test.ts
index b4b48ad21..e3cbbc430 100644
--- a/__tests__/cache-restore.test.ts
+++ b/__tests__/cache-restore.test.ts
@@ -300,7 +300,7 @@ virtualenvs.path = "{cache-dir}/virtualenvs"  # /Users/patrick/Library/Caches/py
             result = 'pipenv cache is not found';
             break;
           case 'poetry':
-            result = 'poetry cache is not found';
+            result = `Cache restored from key: ${pipFileLockHash}`;
             break;
         }
 
diff --git a/src/cache-distributions/poetry-cache.ts b/src/cache-distributions/poetry-cache.ts
index c31fb05d4..616690938 100644
--- a/src/cache-distributions/poetry-cache.ts
+++ b/src/cache-distributions/poetry-cache.ts
@@ -48,10 +48,10 @@ class PoetryCache extends CacheDistributor {
     const hash = await glob.hashFiles(this.patterns);
     // "v2" is here to invalidate old caches of this cache distributor, which were created broken:
     const primaryKey = `${this.CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-python-${this.pythonVersion}-${this.packageManager}-v2-${hash}`;
-    const restoreKey = undefined;
+    const restoreKey = `${this.CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-python-${this.pythonVersion}-${this.packageManager}-`;
     return {
       primaryKey,
-      restoreKey
+      restoreKey: [restoreKey]
     };
   }