Add input to make the dependencies caching strict

action.yml

@@ -23,6 +23,9 @@ inputs:
   dependencies-cache-key:
     description: Globs of files to hash in the build root directory, separated by new lines, use best-effort if unset
     required: false
+  dependencies-cache-exact:
+    description: Wether to restore only if exact match, default to 'false'
+    required: false
 
 outputs:
   build-scan-url:

src/cache-dependencies.ts

@@ -18,6 +18,8 @@ export async function restoreCachedDependencies(
     const cachePath = path.resolve(os.homedir(), '.gradle/caches/modules-2')
     core.saveState(DEPENDENCIES_CACHE_PATH, cachePath)
 
+    const inputCacheExact = github.inputBoolean('dependencies-cache-exact')
+
     const inputCacheKeyGlobs = github.inputArrayOrNull('dependencies-cache-key')
     const cacheKeyGlobs = inputCacheKeyGlobs
         ? inputCacheKeyGlobs
@@ -33,9 +35,11 @@ export async function restoreCachedDependencies(
     const cacheKey = `${cacheKeyPrefix}${hash}`
     core.saveState(DEPENDENCIES_CACHE_KEY, cacheKey)
 
-    const cacheResult = await cache.restoreCache([cachePath], cacheKey, [
-        cacheKeyPrefix
-    ])
+    const cacheResult = await cache.restoreCache(
+        [cachePath],
+        cacheKey,
+        inputCacheExact ? [] : [cacheKeyPrefix]
+    )
     core.saveState(DEPENDENCIES_CACHE_RESULT, cacheResult)
 }
 

src/github-utils.ts

@@ -16,3 +16,9 @@ export function inputArrayOrNull(name: string): string[] | null {
         .map(s => s.trim())
         .filter(s => s !== '')
 }
+
+export function inputBoolean(name: string, defaultValue = false): boolean {
+    const string = inputOrNull(name)
+    if (!string) return defaultValue
+    return string === 'true'
+}