Merge pull request #6 from musketyr/patch-1

ignore version called "wrapper"

README.md

@@ -92,6 +92,7 @@ Moreover, you can use the following aliases:
 
 | Alias | Selects |
 | --- |---|
+| `wrapper`      | The Gradle wrapper's version (default, useful for matrix builds) |
 | `current`      | The current [stable release](https://gradle.org/install/) |
 | `rc`      | The current [release candidate](https://gradle.org/release-candidate/) if any, otherwise fallback to `current` |
 | `nightly` | The latest [nightly](https://gradle.org/nightly/), fails if none. |

src/main.ts

@@ -39,7 +39,7 @@ run();
 async function resolveGradleExecutable(baseDirectory: string): Promise<string> {
 
     const gradleVersion = inputOrNull("gradle-version");
-    if (gradleVersion != null) {
+    if (gradleVersion != null && gradleVersion != "wrapper") {
         return path.resolve(await provision.gradleVersion(gradleVersion))
     }