fix: read token from env variable.

.travis.yml

@@ -1,37 +1,7 @@
 language: java
+
 jdk:
   - oraclejdk8
 
-sudo: required
-
-addons:
-   apt:
-     sources:
-       - git-core
-     packages:
-       - git
-       - jq
-
-cache:
-  directories:
-    - $HOME/.m2
-    - $HOME/cache/
-
-branches:
-    except:
-        - /^([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?(?:\+[0-9A-Za-z-]+)?$/
-
-before_install:
-  - chmod +x ./_scripts/prepare_build.sh
-
-install:
-  - TRAVIS_WORK_DIR="${PWD}/.."
-  - ./_scripts/prepare_build.sh --working-dir=${TRAVIS_WORK_DIR}
-
 script:
   - mvn clean install -Darquillian.blog.url=http://arquillian.org/ -Dbrowser=chromeHeadless -Darq.extension.webdriver.chromeDriverVersion=2.33
-
-notifications:
-  email:
-    recipients:
-      secure: ZYuQRQkZAzs3VDBD15tbIAlA+HJn0btzoRCSAVdF81fzgyFG6e8ba5HapLot9KRdFh4BYrvBD6kAbvzxewNEDAm9HVP/JugOx9KR1TsMUKOYoNl81UzhnlgJWakutiQJd5yAreWrlWUEtlj3BWOzUQVMiskMi0gOSUxue1h2Lx8=

src/test/java/org/arquillian/tests/utilities/GitHubProjectVersionExtractor.java

@@ -5,9 +5,11 @@
 import com.google.gson.JsonElement;
 import java.io.IOException;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.logging.Logger;
 import org.apache.http.client.utils.URIBuilder;
 import org.jboss.arquillian.drone.webdriver.utils.HttpClient;
 import org.jboss.arquillian.drone.webdriver.utils.Validate;
@@ -16,10 +18,12 @@
 
 public class GitHubProjectVersionExtractor {
 
+    private static final Logger logger = Logger.getLogger(GitHubProjectVersionExtractor.class.getName());
     private static final String OAUTH_AUTHORIZATION_HEADER_VALUE_PREFIX = "Bearer ";
 
     private String TAGS_URL = "/tags";
     private String TAG_NAME = "name";
+    private String DEFAULT_TOKEN = "";
     private String project;
 
     public GitHubProjectVersionExtractor(String project) {
@@ -50,10 +54,25 @@ private HttpClient.Response sentGetRequestWithPagination(String url, int pageNum
 
     private Map<String, String> getAuthorizationHeader() throws IOException {
         Map<String, String> headers = new HashMap<>();
-        String token = new String(Files.readAllBytes(Paths.get(".github-auth"))).trim();
+        String token = getGithubAuthToken();
         if (Validate.nonEmpty(token)) {
             headers.put(AUTHORIZATION_HEADER_KEY, OAUTH_AUTHORIZATION_HEADER_VALUE_PREFIX + token);
+        } else {
+            logger.warning("Missing GitHub authentication configuration. Making an unauthenticated request to the GitHub API.");
         }
         return headers;
     }
+
+    private String getGithubAuthToken() throws IOException {
+        final String githubToken = System.getenv("GITHUB_AUTH");
+        final Path path = Paths.get(".github-auth");
+
+        if (githubToken != null) {
+            return githubToken;
+        } else if (Files.exists(path)) {
+            return new String(Files.readAllBytes(path)).trim();
+        }
+        return DEFAULT_TOKEN;
+    }
 }
+