in aws-codepipeline-common/src/main/java/jetbrains/buildServer/codepipeline/CodePipelineUtil.java [36:42]
public static String getArchiveExtension(@NotNull String path) {
if (path.endsWith(".zip")) return ".zip";
if (path.endsWith(".tar")) return ".tar";
if (path.endsWith(".tar.gz")) return ".tar.gz";
if (path.endsWith(".tgz")) return ".tgz";
return StringUtil.EMPTY;
}