/**
* Find the artifact commit list associated with a commit ID.
*
* @param ch commit history, already populated with commit ID records
* @param id commit identifier
* @return commit matching the given ID, or null
*/
private ArtifactCommit findCommit(CommitHistory ch, String id) {
if (ch != null) {
for (ArtifactCommit ac : ch.getCommitRecord()) {
if (ac.getCommitIdentifier().equals(id)) {
return ac;
}
}
}
return null;
}
/**
* Process file revision
*
* @param fr file revision
* @param ch commit history, already populated with artifact history records
* @param monitor progress monitor
*/
private void processFileRevision(IFileRevision fr, CommitHistory ch, IProgressMonitor monitor) {
String commitId = fr.getContentIdentifier();
String name = fr.getName();
int lineCount = getLineCount(fr, monitor);
// create artifact identifier and add it to the existing commit
ArtifactIdentifier ai = ScoFactory.eINSTANCE.createArtifactIdentifier();
ai.setCurrentLineCount(lineCount);
ai.setResourceName(name);
// add the resource revision identifier to the corresponding commit record
ArtifactCommit ac = findCommit(ch, commitId);
if (ac != null) {
ac.getArtifactIdentifiers().add(ai);
} else {
CertWareLog.logWarning(
String.format("%s %s", "Could not find commit for file", fr.getName()));
}
}
/**
* 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();
}
