/**
* Update a reference to point to an object.
*
* @param <T> type of the target object.
* @param ref the name of the reference to update to. If {@code ref} does not start with {@code
* refs/} and is not the magic names {@code HEAD} {@code FETCH_HEAD} or {@code MERGE_HEAD},
* then {@code refs/heads/} will be prefixed in front of the given name, thereby assuming it
* is a branch.
* @param obj the target object.
* @return the target object.
* @throws Exception
*/
public <T extends AnyObjectId> T update(String ref, T obj) throws Exception {
if (Constants.HEAD.equals(ref)) {
// nothing
} else if ("FETCH_HEAD".equals(ref)) {
// nothing
} else if ("MERGE_HEAD".equals(ref)) {
// nothing
} else if (ref.startsWith(Constants.R_REFS)) {
// nothing
} else ref = Constants.R_HEADS + ref;
RefUpdate u = db.updateRef(ref);
u.setNewObjectId(obj);
switch (u.forceUpdate()) {
case FAST_FORWARD:
case FORCED:
case NEW:
case NO_CHANGE:
updateServerInfo();
return obj;
default:
throw new IOException("Cannot write " + ref + " " + u.getResult());
}
}
/**
* Create a new branch builder for this repository.
*
* @param ref name of the branch to be constructed. If {@code ref} does not start with {@code
* refs/} the prefix {@code refs/heads/} will be added.
* @return builder for the named branch.
*/
public BranchBuilder branch(String ref) {
if (Constants.HEAD.equals(ref)) {
// nothing
} else if (ref.startsWith(Constants.R_REFS)) {
// nothing
} else ref = Constants.R_HEADS + ref;
return new BranchBuilder(ref);
}
private void doCheckout(final Ref branch) throws IOException {
if (branch == null) throw die(CLIText.get().cannotChekoutNoHeadsAdvertisedByRemote);
if (!Constants.HEAD.equals(branch.getName())) {
RefUpdate u = db.updateRef(Constants.HEAD);
u.disableRefLog();
u.link(branch.getName());
}
final RevCommit commit = parseCommit(branch);
final RefUpdate u = db.updateRef(Constants.HEAD);
u.setNewObjectId(commit);
u.forceUpdate();
DirCache dc = db.lockDirCache();
DirCacheCheckout co = new DirCacheCheckout(db, dc, commit.getTree());
co.checkout();
}
@Override
protected boolean handlePost(RequestInfo requestInfo) throws ServletException {
String gitSegment = requestInfo.gitSegment;
HttpServletRequest request = requestInfo.request;
HttpServletResponse response = requestInfo.response;
Repository db = requestInfo.db;
String pattern = requestInfo.relativePath;
JSONObject requestObject = requestInfo.getJSONRequest();
try {
String commitToMerge = requestObject.optString(GitConstants.KEY_MERGE, null);
if (commitToMerge != null) {
boolean squash = requestObject.optBoolean(GitConstants.KEY_SQUASH, false);
return merge(request, response, db, commitToMerge, squash);
}
String commitToRebase = requestObject.optString(GitConstants.KEY_REBASE, null);
String rebaseOperation = requestObject.optString(GitConstants.KEY_OPERATION, null);
if (commitToRebase != null) {
return rebase(request, response, db, commitToRebase, rebaseOperation);
}
String commitToCherryPick = requestObject.optString(GitConstants.KEY_CHERRY_PICK, null);
if (commitToCherryPick != null) {
return cherryPick(request, response, db, commitToCherryPick);
}
String commitToRevert = requestObject.optString(GitConstants.KEY_REVERT, null);
if (commitToRevert != null) {
return revert(request, response, db, commitToRevert);
}
String newCommit = requestObject.optString(GitConstants.KEY_COMMIT_NEW, null);
if (newCommit != null) return identifyNewCommitResource(request, response, db, newCommit);
String reviewReqLogin = requestObject.optString(GitConstants.KEY_REVIEW_REQ_NOTIFY_LOGIN);
if (reviewReqLogin != null && reviewReqLogin.length() != 0) {
String reviewReqUrl = requestObject.optString(GitConstants.KEY_REVIEW_REQ_URL);
String ReviewReqCommit = requestObject.optString(GitConstants.KEY_REVIEW_REQ_COMMIT);
String ReviewReqAuthorName =
requestObject.optString(GitConstants.KEY_REVIEW_REQ_AUTHOR_NAME);
String ReviewMessage = requestObject.optString(GitConstants.KEY_REVIEW_REQ_MESSAGE);
return sendNotification(
request,
response,
db,
reviewReqLogin,
ReviewReqCommit,
reviewReqUrl,
ReviewReqAuthorName,
ReviewMessage);
}
ObjectId refId = db.resolve(gitSegment);
if (refId == null || !Constants.HEAD.equals(gitSegment)) {
String msg = NLS.bind("Commit failed. Ref must be HEAD and is {0}", gitSegment);
return statusHandler.handleRequest(
request,
response,
new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, msg, null));
}
String message = requestObject.optString(GitConstants.KEY_COMMIT_MESSAGE, null);
if (message == null || message.isEmpty()) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_BAD_REQUEST,
"Missing commit message.",
null));
}
Git git = new Git(db);
CommitCommand cc = git.commit();
Config config = git.getRepository().getConfig();
boolean amend =
Boolean.parseBoolean(requestObject.optString(GitConstants.KEY_COMMIT_AMEND, null));
boolean insertChangeId =
GitUtils.isGerrit(config)
|| Boolean.parseBoolean(requestObject.optString(GitConstants.KEY_CHANGE_ID, null));
String committerName = requestObject.optString(GitConstants.KEY_COMMITTER_NAME, null);
String committerEmail = requestObject.optString(GitConstants.KEY_COMMITTER_EMAIL, null);
String authorName = requestObject.optString(GitConstants.KEY_AUTHOR_NAME, null);
String authorEmail = requestObject.optString(GitConstants.KEY_AUTHOR_EMAIL, null);
// workaround of a bug in JGit which causes invalid
// support of null values of author/committer name/email, see bug 352984
PersonIdent defPersonIdent = new PersonIdent(db);
if (committerName == null) committerName = defPersonIdent.getName();
if (committerEmail == null) committerEmail = defPersonIdent.getEmailAddress();
if (authorName == null) authorName = committerName;
if (authorEmail == null) authorEmail = committerEmail;
cc.setCommitter(committerName, committerEmail);
cc.setAuthor(authorName, authorEmail);
if (insertChangeId) cc.setInsertChangeId(true);
// support for committing by path: "git commit -o path"
if (!pattern.isEmpty()) {
cc.setOnly(pattern);
}
try {
// "git commit [--amend] -m '{message}' [-a|{path}]"
RevCommit lastCommit = cc.setAmend(amend).setMessage(message).call();
URI cloneLocation =
BaseToCloneConverter.getCloneLocation(
getURI(request), BaseToCloneConverter.COMMIT_REFRANGE);
Commit commit = new Commit(cloneLocation, db, lastCommit, pattern);
JSONObject result = commit.toJSON();
OrionServlet.writeJSONResponse(
request, response, result, JsonURIUnqualificationStrategy.ALL_NO_GIT);
return true;
} catch (GitAPIException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_BAD_REQUEST,
"An error occured when commiting.",
e));
} catch (UnmergedPathException e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An internal error occured when commiting.",
e));
}
} catch (Exception e) {
return statusHandler.handleRequest(
request,
response,
new ServerStatus(
IStatus.ERROR,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"An error occured when requesting a commit info.",
e));
}
}