public Document undoLastChange(Document document) {
try {
final File docDir = getDirForDoc(document.getId());
if (!docDir.exists()) {
return null;
} else {
Git git = Git.open(docDir);
Iterator<RevCommit> it = git.log().setMaxCount(2).call().iterator();
if (it.hasNext()) {
final RevCommit c = it.next(); // current version
}
if (it.hasNext()) {
RevCommit c = it.next(); // previous version
if (isUndo(git)) {
git.reset().setMode(ResetCommand.ResetType.HARD).setRef("HEAD~1").call();
} else {
git.branchCreate().setName("undo").setStartPoint(c).call();
git.checkout().setName("undo").call();
}
return getDocument(document.getId());
}
return null;
}
} catch (IOException e) {
throw new RuntimeException(e);
} catch (NoHeadException e) {
throw new RuntimeException(e);
} catch (GitAPIException e) {
throw new RuntimeException(e);
}
}
public static void resetRepoToCommit(File directory, String commitHash) throws GitException {
try {
Git git = openRepository(directory);
git.reset().setMode(ResetCommand.ResetType.HARD).setRef(commitHash).call();
} catch (GitAPIException e) {
throw new GitException("Ref " + commitHash + " does not exist", e);
}
}
public void reset() {
try {
if (!git.status().call().isClean()) git.reset().setMode(ResetType.HARD).call();
makeCheckout("master", false);
git.branchDelete().setBranchNames(vmBranch).setForce(true).call();
} catch (Exception e) {
clean(e);
}
}
public void reset(final int noOfCommitsToRevert, final String message) {
final Repository repository = getRepository();
final RevCommit commit =
findCommit(Constants.HEAD + REVISION_STRING_DELIMITER + noOfCommitsToRevert, repository);
if (commit == null) {
return;
}
try {
final Git git = new Git(repository);
git.reset().setRef(commit.getName()).setMode(ResetType.HARD).call();
// Commit changes
commitAllChanges(message);
LOGGER.info("Reset of last " + (noOfCommitsToRevert + 1) + " successful.");
} catch (final Exception e) {
throw new IllegalStateException("Reset did not succeed.", e);
}
}
private void reload(String botName) throws IOException, GitAPIException {
log.info("Starting bot reload");
FileRepositoryBuilder builder = new FileRepositoryBuilder();
Repository repository =
builder.setGitDir(new File(arguments.getBasePath() + "/.git")).readEnvironment().build();
log.info("Starting repository update");
Git git = new Git(repository);
git.reset().setMode(ResetCommand.ResetType.HARD).call();
log.info("Reset complete");
git.clean().call();
log.info("Clean compete");
git.fetch().call();
log.info("Fetch complete");
git.pull().call();
log.info("Repository update finished");
initBot(botName);
log.info("Bot reloaded");
}
public static void resetHard(final Git repo, String newBase) throws GitAPIException {
repo.reset().setMode(ResetCommand.ResetType.HARD).setRef(newBase).call();
}
/**
* Hard reset the repository. Makes the working directory and staging index content to exactly
* match the Git repository.
*
* @throws CheckoutConflictException
* @throws GitAPIException
*/
public void hardReset() throws CheckoutConflictException, GitAPIException {
ResetCommand resetCommand = git.reset();
resetCommand.setMode(ResetType.HARD);
resetCommand.call();
}
