/**
* Parses an array of Git commits and returns an array of commits that affected the specified
* object.
*
* @param repository the Git repository
* @param commitIds the Git commit IDs to parse
* @param path the object affected
* @return an array of {@link GitCommit} objects representing the commits
*/
public NSArray<GitCommit> commitsWithIds(NSArray<ObjectId> commitIds, String path) {
try {
RevWalk rw = new RevWalk(repository);
try {
rw.sort(RevSort.COMMIT_TIME_DESC);
if (path != null) {
rw.setTreeFilter(
AndTreeFilter.create(PathSuffixFilter.create(path), TreeFilter.ANY_DIFF));
} else {
rw.setTreeFilter(TreeFilter.ALL);
}
for (ObjectId commitId : commitIds) {
rw.markStart(rw.parseCommit(commitId));
}
NSMutableArray<GitCommit> commits = new NSMutableArray<GitCommit>();
for (RevCommit commit : rw) {
commits.add(new GitCommit(commit));
}
return commits;
} finally {
rw.release();
}
} catch (Exception e) {
log.error("An exception occurred while parsing the commit: ", e);
return null;
}
}
/**
* Compute the current projects that will be missing after the given branch is checked out
*
* @param branch
* @param currentProjects
* @return non-null but possibly empty array of missing projects
*/
private IProject[] getMissingProjects(String branch, IProject[] currentProjects) {
if (delete || currentProjects.length == 0) return new IProject[0];
ObjectId targetTreeId;
ObjectId currentTreeId;
try {
targetTreeId = repository.resolve(branch + "^{tree}"); // $NON-NLS-1$
currentTreeId = repository.resolve(Constants.HEAD + "^{tree}"); // $NON-NLS-1$
} catch (IOException e) {
return new IProject[0];
}
if (targetTreeId == null || currentTreeId == null) return new IProject[0];
Map<File, IProject> locations = new HashMap<File, IProject>();
for (IProject project : currentProjects) {
IPath location = project.getLocation();
if (location == null) continue;
location = location.append(IProjectDescription.DESCRIPTION_FILE_NAME);
locations.put(location.toFile(), project);
}
List<IProject> toBeClosed = new ArrayList<IProject>();
File root = repository.getWorkTree();
TreeWalk walk = new TreeWalk(repository);
try {
walk.addTree(targetTreeId);
walk.addTree(currentTreeId);
walk.addTree(new FileTreeIterator(repository));
walk.setRecursive(true);
walk.setFilter(
AndTreeFilter.create(
PathSuffixFilter.create(IProjectDescription.DESCRIPTION_FILE_NAME),
TreeFilter.ANY_DIFF));
while (walk.next()) {
AbstractTreeIterator targetIter = walk.getTree(0, AbstractTreeIterator.class);
if (targetIter != null) continue;
AbstractTreeIterator currentIter = walk.getTree(1, AbstractTreeIterator.class);
AbstractTreeIterator workingIter = walk.getTree(2, AbstractTreeIterator.class);
if (currentIter == null || workingIter == null) continue;
IProject project = locations.get(new File(root, walk.getPathString()));
if (project != null) toBeClosed.add(project);
}
} catch (IOException e) {
return new IProject[0];
} finally {
walk.release();
}
return toBeClosed.toArray(new IProject[toBeClosed.size()]);
}