[NO-JIRA] Fix reported code smells & bugs

2 files changed, 11 insertions, 10 deletions

diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/ci/vendors/Jenkins.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/ci/vendors/Jenkins.java
index 50a89f72740..7721daadd6d 100644
--- a/sonar-scanner-engine/src/main/java/org/sonar/scanner/ci/vendors/Jenkins.java
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/ci/vendors/Jenkins.java
@@ -20,7 +20,9 @@
 package org.sonar.scanner.ci.vendors;
 
 import java.nio.file.Path;
+import java.util.Optional;
 import org.apache.commons.lang.StringUtils;
+import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.lib.RepositoryBuilder;
@@ -99,10 +101,10 @@ public class Jenkins implements CiVendor {
 
     String refName = "refs/remotes/origin/" + gitBranch;
     try (Repository repo = builder.build()) {
-      Ref ref = repo.exactRef(refName);
-      if (ref != null) {
-        return ref.getObjectId().getName();
-      }
+      return Optional.ofNullable(repo.exactRef(refName))
+        .map(Ref::getObjectId)
+        .map(ObjectId::getName)
+        .orElse(null);
     } catch (Exception e) {
       LOG.debug("Couldn't find git sha1 in '{}': {}", refName, e.getMessage());
     }
diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scm/git/GitScmProvider.java b/sonar-scanner-engine/src/main/java/org/sonar/scm/git/GitScmProvider.java
index bfcbe5f3726..68d1049aeae 100644
--- a/sonar-scanner-engine/src/main/java/org/sonar/scm/git/GitScmProvider.java
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scm/git/GitScmProvider.java
@@ -48,6 +48,7 @@ import org.eclipse.jgit.diff.RenameDetector;
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.lib.ConfigConstants;
 import org.eclipse.jgit.lib.NullProgressMonitor;
+import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.ObjectReader;
 import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.Repository;
@@ -369,12 +370,10 @@ public class GitScmProvider extends ScmProvider {
   public String revisionId(Path path) {
     RepositoryBuilder builder = getVerifiedRepositoryBuilder(path);
     try {
-      Ref head = getHead(builder.build());
-      if (head == null || head.getObjectId() == null) {
-        // can happen on fresh, empty repos
-        return null;
-      }
-      return head.getObjectId().getName();
+      return Optional.ofNullable(getHead(builder.build()))
+        .map(Ref::getObjectId)
+        .map(ObjectId::getName)
+        .orElse(null);
     } catch (IOException e) {
       throw new IllegalStateException("I/O error while getting revision ID for path: " + path, e);
     }