#16 -- Remove repo after indexing

src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java

@@ -1,5 +1,6 @@
 package ru.ulstu.extractor.service;
 
+import org.apache.commons.io.FileUtils;
 import org.eclipse.jgit.api.CreateBranchCommand;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.ListBranchCommand;
@@ -42,14 +43,14 @@ public class GitRepositoryService {
             Repository localRepo = new FileRepository(getProjectGitDirectory(url));
             git = new Git(localRepo);
             git.pull().call();
+            localRepo.close();
         } else {
             git = Git.cloneRepository()
                     .setURI(url)
                     .setDirectory(getProjectDirectoryFile(url))
                     .call();
         }
-        Iterable<RevCommit> commits = git.log().call();
-        //commits.forEach(c -> System.out.println(c.getFullMessage()));
+        git.close();
     }
 
     private String getProjectDirectory(String url) {
@@ -101,6 +102,8 @@ public class GitRepositoryService {
             list.add(commit);
             prevCommit = revCommit;
         }
+        git.close();
+        localRepo.close();
         return list;
     }
 
@@ -207,14 +210,17 @@ public class GitRepositoryService {
         cloneOrUpdateRepo(url);
         Repository localRepo = new FileRepository(getProjectGitDirectory(url));
         Git git = new Git(localRepo);
-        return git.branchList().setListMode(ListBranchCommand.ListMode.REMOTE)
+        List<Branch> branches = git.branchList().setListMode(ListBranchCommand.ListMode.REMOTE)
                 .call()
                 .stream()
                 .map(r -> new Branch(r.getName().replace(BRANCH_PREFIX, "")))
                 .collect(Collectors.toList());
+        git.close();
+        localRepo.close();
+        return branches;
     }
 
     public void remove(String repositoryUrl) throws IOException {
-        //FileUtils.deleteDirectory(getProjectDirectoryFile(repositoryUrl));
+        FileUtils.deleteDirectory(getProjectDirectoryFile(repositoryUrl));
     }
 }