Extracted fetch method

src/main/java/git/GitCommands.java

@@ -110,14 +110,7 @@ class GitCommands {
     private void mergeOnClone(String clone, String remote) throws IOException, GitAPIException {
         try (Git git = Git.open(new File(clone))) {
 
-            StoredConfig config = git.getRepository().getConfig();
-            config.setString("remote", "remIssues", "url", remote);
-            config.save();
-
-            git.fetch()
-                    .setRemote("remIssues")
-                    .setRefSpecs(new RefSpec("refs/heads/issues:refs/remotes/remIssues"))
-                    .call();
+            fetchRemote(remote, git);
 
             ObjectId mergeBase = git.getRepository().resolve("remIssues");
 
@@ -188,16 +181,21 @@ class GitCommands {
         }
     }
 
+    private void fetchRemote(String remote, Git git) throws IOException, GitAPIException {
+        StoredConfig config = git.getRepository().getConfig();
+        config.setString("remote", "remIssues", "url", remote);
+        config.save();
+
+        git.fetch()
+                .setRemote("remIssues")
+                .setRefSpecs(new RefSpec("refs/heads/issues:refs/remotes/remIssues"))
+                .call();
+    }
+
     private void pullClone(String clone) throws IOException, GitAPIException {
 
         try (Git git = new Git(repo)) {
-            StoredConfig config = git.getRepository().getConfig();
-            config.setString("remote", "remIssues", "url", clone);
-            config.save();
-
-            git.fetch().setRemote("remIssues")
-                    .setRefSpecs(new RefSpec("refs/heads/issues:refs/remotes/remIssues"))
-                    .call();
+            fetchRemote(clone, git);
 
             Ref localRef = repo.findRef("refs/heads/issues");
             Ref remoteRef = repo.findRef("refs/remotes/remIssues");