Fix wrong cacheDependencyPathHash (#201)

Introduced in https://github.com/astral-sh/setup-uv/pull/200 and not
caught because the test is not needed for automerge to pass

dist/save-cache/index.js

@@ -91490,11 +91490,11 @@ function computeKeys(version) {
             core.info(`Searching files using cache dependency glob: ${inputs_1.cacheDependencyGlob.split("\n").join(",")}`);
             cacheDependencyPathHash += yield (0, hash_files_1.hashFiles)(inputs_1.cacheDependencyGlob, true);
             if (cacheDependencyPathHash === "-") {
-                throw new Error(`No file matched to [${inputs_1.cacheDependencyGlob.split("\n").join(",")}], make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.`);
+                core.warning(`No file matched to [${inputs_1.cacheDependencyGlob.split("\n").join(",")}]. The cache will never get invalidated. Make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.`);
             }
         }
-        else {
+        if (cacheDependencyPathHash === "-") {
-            cacheDependencyPathHash += "no-dependency-glob";
+            cacheDependencyPathHash = "-no-dependency-glob";
         }
         const suffix = inputs_1.cacheSuffix ? `-${inputs_1.cacheSuffix}` : "";
         const pythonVersion = yield getPythonVersion();

dist/setup/index.js

@@ -96573,11 +96573,11 @@ function computeKeys(version) {
             core.info(`Searching files using cache dependency glob: ${inputs_1.cacheDependencyGlob.split("\n").join(",")}`);
             cacheDependencyPathHash += yield (0, hash_files_1.hashFiles)(inputs_1.cacheDependencyGlob, true);
             if (cacheDependencyPathHash === "-") {
-                throw new Error(`No file matched to [${inputs_1.cacheDependencyGlob.split("\n").join(",")}], make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.`);
+                core.warning(`No file matched to [${inputs_1.cacheDependencyGlob.split("\n").join(",")}]. The cache will never get invalidated. Make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.`);
             }
         }
-        else {
+        if (cacheDependencyPathHash === "-") {
-            cacheDependencyPathHash += "no-dependency-glob";
+            cacheDependencyPathHash = "-no-dependency-glob";
         }
         const suffix = inputs_1.cacheSuffix ? `-${inputs_1.cacheSuffix}` : "";
         const pythonVersion = yield getPythonVersion();

src/cache/restore-cache.ts

@@ -43,12 +43,13 @@ async function computeKeys(version: string): Promise<string> {
     );
     cacheDependencyPathHash += await hashFiles(cacheDependencyGlob, true);
     if (cacheDependencyPathHash === "-") {
-      throw new Error(
+      core.warning(
-        `No file matched to [${cacheDependencyGlob.split("\n").join(",")}], make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.`,
+        `No file matched to [${cacheDependencyGlob.split("\n").join(",")}]. The cache will never get invalidated. Make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.`,
       );
     }
-  } else {
+  }
-    cacheDependencyPathHash += "no-dependency-glob";
+  if (cacheDependencyPathHash === "-") {
+    cacheDependencyPathHash = "-no-dependency-glob";
   }
   const suffix = cacheSuffix ? `-${cacheSuffix}` : "";
   const pythonVersion = await getPythonVersion();