private KidWalk buildWalk() {
final RepositoryMapping rm = RepositoryMapping.getMapping(resource);
if (rm == null) {
Activator.logError(
NLS.bind(CoreText.GitFileHistory_gitNotAttached, resource.getProject().getName()), null);
return null;
}
final KidWalk w = new KidWalk(rm.getRepository());
gitPath = rm.getRepoRelativePath(resource);
w.setTreeFilter(
AndTreeFilter.create(
PathFilterGroup.createFromStrings(Collections.singleton(gitPath)),
TreeFilter.ANY_DIFF));
return w;
}
public String convertWorkspacePath(IResource resource) {
return mapping.getRepoRelativePath(resource);
}
public Object execute(ExecutionEvent event) throws ExecutionException {
boolean compareMode =
Boolean.TRUE.toString().equals(event.getParameter(HistoryViewCommands.COMPARE_MODE_PARAM));
IStructuredSelection selection = getSelection(getPage());
if (selection.size() < 1) return null;
Object input = getPage().getInputInternal().getSingleFile();
if (input == null) return null;
IWorkbenchPage workBenchPage =
HandlerUtil.getActiveWorkbenchWindowChecked(event).getActivePage();
boolean errorOccurred = false;
List<ObjectId> ids = new ArrayList<ObjectId>();
String gitPath = null;
if (input instanceof IFile) {
IFile resource = (IFile) input;
final RepositoryMapping map = RepositoryMapping.getMapping(resource);
gitPath = map.getRepoRelativePath(resource);
Iterator<?> it = selection.iterator();
while (it.hasNext()) {
RevCommit commit = (RevCommit) it.next();
String commitPath = getRenamedPath(gitPath, commit);
IFileRevision rev = null;
try {
rev = CompareUtils.getFileRevision(commitPath, commit, map.getRepository(), null);
} catch (IOException e) {
Activator.logError(
NLS.bind(UIText.GitHistoryPage_errorLookingUpPath, gitPath, commit.getId()), e);
errorOccurred = true;
}
if (rev != null) {
if (compareMode) {
ITypedElement right =
CompareUtils.getFileRevisionTypedElement(commitPath, commit, map.getRepository());
final GitCompareFileRevisionEditorInput in =
new GitCompareFileRevisionEditorInput(
SaveableCompareEditorInput.createFileElement(resource), right, null);
try {
CompareUtils.openInCompare(workBenchPage, in);
} catch (Exception e) {
errorOccurred = true;
}
} else
try {
EgitUiEditorUtils.openEditor(
getPart(event).getSite().getPage(), rev, new NullProgressMonitor());
} catch (CoreException e) {
Activator.logError(UIText.GitHistoryPage_openFailed, e);
errorOccurred = true;
}
} else ids.add(commit.getId());
}
}
if (input instanceof File) {
File fileInput = (File) input;
Repository repo = getRepository(event);
gitPath = getRepoRelativePath(repo, fileInput);
Iterator<?> it = selection.iterator();
while (it.hasNext()) {
RevCommit commit = (RevCommit) it.next();
String commitPath = getRenamedPath(gitPath, commit);
IFileRevision rev = null;
try {
rev = CompareUtils.getFileRevision(commitPath, commit, repo, null);
} catch (IOException e) {
Activator.logError(
NLS.bind(UIText.GitHistoryPage_errorLookingUpPath, commitPath, commit.getId()), e);
errorOccurred = true;
}
if (rev != null) {
if (compareMode)
try {
ITypedElement left =
CompareUtils.getFileRevisionTypedElement(
gitPath, new RevWalk(repo).parseCommit(repo.resolve(Constants.HEAD)), repo);
ITypedElement right =
CompareUtils.getFileRevisionTypedElement(commitPath, commit, repo);
final GitCompareFileRevisionEditorInput in =
new GitCompareFileRevisionEditorInput(left, right, null);
CompareUtils.openInCompare(workBenchPage, in);
} catch (IOException e) {
errorOccurred = true;
}
else
try {
EgitUiEditorUtils.openEditor(
getPart(event).getSite().getPage(), rev, new NullProgressMonitor());
} catch (CoreException e) {
Activator.logError(UIText.GitHistoryPage_openFailed, e);
errorOccurred = true;
}
} else ids.add(commit.getId());
}
}
if (errorOccurred) Activator.showError(UIText.GitHistoryPage_openFailed, null);
if (ids.size() > 0) {
StringBuilder idList = new StringBuilder(""); // $NON-NLS-1$
for (ObjectId objectId : ids) idList.append(objectId.getName()).append(' ');
MessageDialog.openError(
getPart(event).getSite().getShell(),
UIText.GitHistoryPage_fileNotFound,
NLS.bind(UIText.GitHistoryPage_notContainedInCommits, gitPath, idList.toString()));
}
return null;
}
/**
* Process the EGit history associated with a given project.
*
* @param selectedProject selected project, presumably an object contribution selection
* @throws CoreException
* @throws IOException
*/
public void processHistory(IProject selectedProject, IProgressMonitor monitor)
throws CoreException, IOException {
// find the repository mapping for the project
// if none found, return
RepositoryMapping repositoryMapping = RepositoryMapping.getMapping((IResource) selectedProject);
if (repositoryMapping == null) {
CertWareLog.logWarning(
String.format("%s %s", "Missing repository for project", selectedProject.getName()));
return;
}
// build the commit history model, load it from the tree walk
final CommitHistory commitHistory = ScoFactory.eINSTANCE.createCommitHistory();
Repository repo = repositoryMapping.getRepository();
RevWalk revWalk = new RevWalk(repo);
ObjectId headObject = repo.resolve("HEAD");
revWalk.markStart(revWalk.parseCommit(headObject));
final Set<String> repositoryPaths =
Collections.singleton(repositoryMapping.getRepoRelativePath(selectedProject));
revWalk.setTreeFilter(PathFilterGroup.createFromStrings(repositoryPaths));
for (RevCommit commit : revWalk) {
String commitName = commit.getName();
ArtifactCommit artifactCommit = ScoFactory.eINSTANCE.createArtifactCommit();
artifactCommit.setCommitIdentifier(commitName);
commitHistory.getCommitRecord().add(artifactCommit);
}
revWalk.dispose();
// use the Git provider to find the file history, then converge into the model
GitProvider provider = (GitProvider) RepositoryProvider.getProvider(selectedProject);
IFileHistoryProvider fileHistoryProvider = provider.getFileHistoryProvider();
IResource[] projectMembers = selectedProject.members();
monitor.beginTask("Processing project resources", projectMembers.length);
for (IResource resource : projectMembers) {
processResource(resource, fileHistoryProvider, commitHistory, monitor);
monitor.worked(1);
if (monitor.isCanceled()) {
return;
}
}
// model complete with commit history and associated file sizes
// write the resulting model to an SCO file
// expecting preference to have no extension, so add it if necessary
IPreferenceStore store = Activator.getDefault().getPreferenceStore();
String fileName = store.getString(PreferenceConstants.P_FILENAME_SCO);
if (fileName.endsWith(ICertWareConstants.SCO_EXTENSION) == false) {
fileName = fileName + '.' + ICertWareConstants.SCO_EXTENSION;
}
// fully specify the path to the new file given the container project
final String modelFile =
selectedProject.getFullPath().toPortableString() + IPath.SEPARATOR + fileName;
// create the resource in a workspace modify operation
WorkspaceModifyOperation operation =
new WorkspaceModifyOperation() {
@Override
protected void execute(IProgressMonitor progressMonitor) {
try {
// create a resource set and resource for a new file
ResourceSet resourceSet = new ResourceSetImpl();
URI fileURI = URI.createPlatformResourceURI(modelFile, true);
Resource resource = resourceSet.createResource(fileURI);
resource.getContents().add(commitHistory);
// save the contents of the resource to the file system
Map<Object, Object> options = new HashMap<Object, Object>();
options.put(XMLResource.OPTION_ENCODING, FILE_ENCODING);
resource.save(options);
} catch (Exception e) {
CertWareLog.logError(String.format("%s %s", "Saving SCO file", modelFile), e);
}
}
};
// modify the workspace
try {
operation.run(monitor);
} catch (Exception e) {
CertWareLog.logError(
String.format("%s %s", "Modifying workspace for", selectedProject.getName()), e);
}
monitor.done();
}
private void buildMaps(
Repository repository,
RevCommit baseCommit,
RevCommit compareCommit,
IProgressMonitor monitor)
throws InterruptedException, IOException {
monitor.beginTask(UIText.CompareTreeView_AnalyzingRepositoryTaskText, IProgressMonitor.UNKNOWN);
boolean useIndex = compareVersion.equals(INDEX_VERSION);
deletedPaths.clear();
equalContentPaths.clear();
baseVersionMap.clear();
compareVersionMap.clear();
compareVersionPathsWithChildren.clear();
addedPaths.clear();
baseVersionPathsWithChildren.clear();
boolean checkIgnored = false;
TreeWalk tw = new TreeWalk(repository);
try {
int baseTreeIndex;
if (baseCommit == null) {
checkIgnored = true;
baseTreeIndex =
tw.addTree(
new AdaptableFileTreeIterator(
repository, ResourcesPlugin.getWorkspace().getRoot()));
} else
baseTreeIndex =
tw.addTree(
new CanonicalTreeParser(null, repository.newObjectReader(), baseCommit.getTree()));
int compareTreeIndex;
if (!useIndex)
compareTreeIndex =
tw.addTree(
new CanonicalTreeParser(
null, repository.newObjectReader(), compareCommit.getTree()));
else compareTreeIndex = tw.addTree(new DirCacheIterator(repository.readDirCache()));
if (input instanceof IResource[]) {
IResource[] resources = (IResource[]) input;
List<TreeFilter> orFilters = new ArrayList<TreeFilter>(resources.length);
for (IResource resource : resources) {
String relPath = repositoryMapping.getRepoRelativePath(resource);
if (relPath.length() > 0) orFilters.add(PathFilter.create(relPath));
}
if (orFilters.size() > 1) tw.setFilter(OrTreeFilter.create(orFilters));
else if (orFilters.size() == 1) tw.setFilter(orFilters.get(0));
}
tw.setRecursive(true);
if (monitor.isCanceled()) throw new InterruptedException();
while (tw.next()) {
if (monitor.isCanceled()) throw new InterruptedException();
AbstractTreeIterator compareVersionIterator =
tw.getTree(compareTreeIndex, AbstractTreeIterator.class);
AbstractTreeIterator baseVersionIterator =
tw.getTree(baseTreeIndex, AbstractTreeIterator.class);
if (checkIgnored
&& baseVersionIterator != null
&& ((WorkingTreeIterator) baseVersionIterator).isEntryIgnored()) continue;
if (compareVersionIterator != null && baseVersionIterator != null) {
monitor.setTaskName(baseVersionIterator.getEntryPathString());
IPath currentPath = new Path(baseVersionIterator.getEntryPathString());
if (!useIndex)
compareVersionMap.put(
currentPath,
GitFileRevision.inCommit(
repository,
compareCommit,
baseVersionIterator.getEntryPathString(),
tw.getObjectId(compareTreeIndex)));
else
compareVersionMap.put(
currentPath,
GitFileRevision.inIndex(repository, baseVersionIterator.getEntryPathString()));
if (baseCommit != null)
baseVersionMap.put(
currentPath,
GitFileRevision.inCommit(
repository,
baseCommit,
baseVersionIterator.getEntryPathString(),
tw.getObjectId(baseTreeIndex)));
boolean equalContent =
compareVersionIterator
.getEntryObjectId()
.equals(baseVersionIterator.getEntryObjectId());
if (equalContent) equalContentPaths.add(currentPath);
if (equalContent && !showEquals) continue;
while (currentPath.segmentCount() > 0) {
currentPath = currentPath.removeLastSegments(1);
if (!baseVersionPathsWithChildren.add(currentPath)) break;
}
} else if (baseVersionIterator != null && compareVersionIterator == null) {
monitor.setTaskName(baseVersionIterator.getEntryPathString());
// only on base side
IPath currentPath = new Path(baseVersionIterator.getEntryPathString());
addedPaths.add(currentPath);
if (baseCommit != null)
baseVersionMap.put(
currentPath,
GitFileRevision.inCommit(
repository,
baseCommit,
baseVersionIterator.getEntryPathString(),
tw.getObjectId(baseTreeIndex)));
while (currentPath.segmentCount() > 0) {
currentPath = currentPath.removeLastSegments(1);
if (!baseVersionPathsWithChildren.add(currentPath)) break;
}
} else if (compareVersionIterator != null && baseVersionIterator == null) {
monitor.setTaskName(compareVersionIterator.getEntryPathString());
// only on compare side
IPath currentPath = new Path(compareVersionIterator.getEntryPathString());
deletedPaths.add(currentPath);
List<PathNodeAdapter> children =
compareVersionPathsWithChildren.get(currentPath.removeLastSegments(1));
if (children == null) {
children = new ArrayList<PathNodeAdapter>(1);
compareVersionPathsWithChildren.put(currentPath.removeLastSegments(1), children);
}
children.add(new PathNodeAdapter(new PathNode(currentPath, Type.FILE_DELETED)));
if (!useIndex)
compareVersionMap.put(
currentPath,
GitFileRevision.inCommit(
repository,
compareCommit,
compareVersionIterator.getEntryPathString(),
tw.getObjectId(compareTreeIndex)));
else
compareVersionMap.put(
currentPath,
GitFileRevision.inIndex(repository, compareVersionIterator.getEntryPathString()));
}
}
} finally {
tw.release();
monitor.done();
}
}
private void reactOnOpen(OpenEvent event) {
Object selected = ((IStructuredSelection) event.getSelection()).getFirstElement();
ITypedElement left;
ITypedElement right;
if (selected instanceof IContainer) {
// open/close folder
TreeViewer tv = (TreeViewer) event.getViewer();
tv.setExpandedState(selected, !tv.getExpandedState(selected));
return;
} else if (selected instanceof IFile) {
final IFile res = (IFile) selected;
left =
new EditableRevision(new LocalFileRevision(res)) {
@Override
public void setContent(final byte[] newContent) {
try {
PlatformUI.getWorkbench()
.getProgressService()
.run(
false,
false,
new IRunnableWithProgress() {
public void run(IProgressMonitor myMonitor)
throws InvocationTargetException, InterruptedException {
try {
res.setContents(
new ByteArrayInputStream(newContent), false, true, myMonitor);
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
}
});
} catch (InvocationTargetException e) {
Activator.handleError(
e.getTargetException().getMessage(), e.getTargetException(), true);
} catch (InterruptedException e) {
// ignore here
}
}
};
GitFileRevision rightRevision =
compareVersionMap.get(new Path(repositoryMapping.getRepoRelativePath(res)));
if (rightRevision == null) {
right =
new GitCompareFileRevisionEditorInput.EmptyTypedElement(
NLS.bind(
UIText.CompareTreeView_ItemNotFoundInVersionMessage,
res.getName(),
getCompareVersion()));
} else {
String encoding = CompareCoreUtils.getResourceEncoding(res);
right = new FileRevisionTypedElement(rightRevision, encoding);
}
GitCompareFileRevisionEditorInput compareInput =
new GitCompareFileRevisionEditorInput(
left, right, PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage());
CompareUtils.openInCompare(
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), compareInput);
} else if (selected instanceof GitFileRevision) {
GitFileRevision rightRevision = (GitFileRevision) selected;
left =
new GitCompareFileRevisionEditorInput.EmptyTypedElement(
NLS.bind(
UIText.CompareTreeView_ItemNotFoundInVersionMessage,
rightRevision.getName(),
getBaseVersion()));
right = new FileRevisionTypedElement(rightRevision);
} else if (selected instanceof PathNode) {
PathNode node = (PathNode) selected;
switch (node.type) {
case FILE_BOTH_SIDES_DIFFER:
// fall through
case FILE_BOTH_SIDES_SAME:
{
// open a compare editor with both sides filled
GitFileRevision rightRevision = compareVersionMap.get(node.path);
right = new FileRevisionTypedElement(rightRevision);
GitFileRevision leftRevision = baseVersionMap.get(node.path);
left = new FileRevisionTypedElement(leftRevision);
break;
}
case FILE_DELETED:
{
// open compare editor with left side empty
GitFileRevision rightRevision = compareVersionMap.get(node.path);
right = new FileRevisionTypedElement(rightRevision);
left =
new GitCompareFileRevisionEditorInput.EmptyTypedElement(
NLS.bind(
UIText.CompareTreeView_ItemNotFoundInVersionMessage,
rightRevision.getName(),
getBaseVersion()));
break;
}
case FILE_ADDED:
{
// open compare editor with right side empty
GitFileRevision leftRevision = baseVersionMap.get(node.path);
left = new FileRevisionTypedElement(leftRevision);
right =
new GitCompareFileRevisionEditorInput.EmptyTypedElement(
NLS.bind(
UIText.CompareTreeView_ItemNotFoundInVersionMessage,
leftRevision.getName(),
getCompareVersion()));
break;
}
case FOLDER:
// open/close folder
TreeViewer tv = (TreeViewer) event.getViewer();
tv.setExpandedState(selected, !tv.getExpandedState(selected));
return;
default:
return;
}
} else if (selected instanceof PathNodeAdapter) {
// deleted in workspace
PathNodeAdapter node = (PathNodeAdapter) selected;
GitFileRevision rightRevision = compareVersionMap.get(node.pathNode.path);
right = new FileRevisionTypedElement(rightRevision);
left =
new GitCompareFileRevisionEditorInput.EmptyTypedElement(
NLS.bind(
UIText.CompareTreeView_ItemNotFoundInVersionMessage,
node.pathNode.path.lastSegment(),
getBaseVersion()));
} else return;
GitCompareFileRevisionEditorInput compareInput =
new GitCompareFileRevisionEditorInput(
left, right, PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage());
CompareUtils.openInCompare(
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), compareInput);
}
@Override
protected Object prepareInput(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
// make sure all resources belong to the same repository
try (RevWalk rw = new RevWalk(repository)) {
monitor.beginTask(
UIText.GitCompareEditorInput_CompareResourcesTaskName, IProgressMonitor.UNKNOWN);
for (IResource resource : resources) {
RepositoryMapping map = RepositoryMapping.getMapping(resource.getProject());
if (map == null) {
throw new InvocationTargetException(
new IllegalStateException(
UIText.GitCompareEditorInput_ResourcesInDifferentReposMessagge));
}
if (repository != null && repository != map.getRepository())
throw new InvocationTargetException(
new IllegalStateException(
UIText.GitCompareEditorInput_ResourcesInDifferentReposMessagge));
String repoRelativePath = map.getRepoRelativePath(resource);
filterPathStrings.add(repoRelativePath);
DiffNode node =
new DiffNode(Differencer.NO_CHANGE) {
@Override
public Image getImage() {
return FOLDER_IMAGE;
}
};
diffRoots.put(new Path(map.getRepoRelativePath(resource)), node);
repository = map.getRepository();
}
if (repository == null)
throw new InvocationTargetException(
new IllegalStateException(
UIText.GitCompareEditorInput_ResourcesInDifferentReposMessagge));
if (monitor.isCanceled()) throw new InterruptedException();
final RevCommit baseCommit;
try {
try {
baseCommit = rw.parseCommit(repository.resolve(baseVersion));
} catch (IOException e) {
throw new InvocationTargetException(e);
}
final RevCommit compareCommit;
if (compareVersion == null) {
compareCommit = null;
} else {
try {
compareCommit = rw.parseCommit(repository.resolve(compareVersion));
} catch (IOException e) {
throw new InvocationTargetException(e);
}
}
if (monitor.isCanceled()) throw new InterruptedException();
// set the labels
CompareConfiguration config = getCompareConfiguration();
config.setLeftLabel(compareVersion);
config.setRightLabel(baseVersion);
// set title and icon
if (resources.length == 0) {
Object[] titleParameters =
new Object[] {
Activator.getDefault().getRepositoryUtil().getRepositoryName(repository),
CompareUtils.truncatedRevision(compareVersion),
CompareUtils.truncatedRevision(baseVersion)
};
setTitle(NLS.bind(UIText.GitCompareEditorInput_EditorTitle, titleParameters));
} else if (resources.length == 1) {
Object[] titleParameters =
new Object[] {
resources[0].getFullPath().makeRelative().toString(),
CompareUtils.truncatedRevision(compareVersion),
CompareUtils.truncatedRevision(baseVersion)
};
setTitle(
NLS.bind(UIText.GitCompareEditorInput_EditorTitleSingleResource, titleParameters));
} else {
setTitle(
NLS.bind(
UIText.GitCompareEditorInput_EditorTitleMultipleResources,
CompareUtils.truncatedRevision(compareVersion),
CompareUtils.truncatedRevision(baseVersion)));
}
// build the nodes
try {
return buildDiffContainer(baseCommit, compareCommit, monitor);
} catch (IOException e) {
throw new InvocationTargetException(e);
}
} finally {
monitor.done();
}
}
}