Filter problematic packages

Author: mattt

Sources/PackageRegistry/RegistryManager.swift

@@ -108,7 +108,9 @@ public final class RegistryManager {
                       case .dictionary(let payload) = try? JSON(data: data),
                       case .dictionary(let releases) = payload["releases"]
             {
-                let versions = releases.keys.compactMap { Version(string: $0) }.sorted(by: >)
+                let versions = releases.filter { (try? $0.value.getJSON("problem")) == nil }
+                    .compactMap { Version(string: $0.key) }
+                    .sorted(by: >)
                 completion(.success(versions))
             } else {
                 completion(.failure(RegistryError.invalidResponse))

Tests/PackageRegistryTests/RegistryManagerTests.swift

@@ -52,7 +52,8 @@ final class RegistryManagerTests: XCTestCase {
                 XCTAssertResultSuccess(result)
                 guard case .success(let versions) = result else { return }
 
-                XCTAssertEqual(versions, ["1.1.1", "1.1.0", "1.0.0"])
+                XCTAssertEqual(versions, ["1.1.1", "1.0.0"])
+                XCTAssertFalse(versions.contains("1.1.0"), "problematic releases shouldn't be included")
             }
         }