private IFileRevision[] buildRevisions(final IProgressMonitor monitor, final int flags) {
if (walk == null) return NO_REVISIONS;
final Repository db = walk.getRepository();
final RevCommit root;
try {
final AnyObjectId headId = db.resolve(Constants.HEAD);
if (headId == null) {
Activator.logError(
NLS.bind(
CoreText.GitFileHistory_noHeadRevisionAvailable, resource.getProject().getName()),
null);
return NO_REVISIONS;
}
root = walk.parseCommit(headId);
if ((flags & SINGLE_REVISION) == SINGLE_REVISION) {
// If all Eclipse wants is one revision it probably is
// for the editor "quick diff" feature. We can pass off
// just the repository HEAD, even though it may not be
// the revision that most recently modified the path.
//
final CommitFileRevision single;
single = new CommitFileRevision(db, root, gitPath);
return new IFileRevision[] {single};
}
walk.markStart(root);
} catch (IOException e) {
Activator.logError(
NLS.bind(CoreText.GitFileHistory_invalidHeadRevision, resource.getProject().getName()),
e);
return NO_REVISIONS;
}
final KidCommitList list = new KidCommitList();
list.source(walk);
try {
for (; ; ) {
final int oldsz = list.size();
list.fillTo(oldsz + BATCH_SIZE - 1);
if (oldsz == list.size()) break;
if (monitor != null && monitor.isCanceled()) break;
}
} catch (IOException e) {
Activator.logError(
NLS.bind(CoreText.GitFileHistory_errorParsingHistory, resource.getFullPath()), e);
return NO_REVISIONS;
}
final IFileRevision[] r = new IFileRevision[list.size()];
for (int i = 0; i < r.length; i++) r[i] = new CommitFileRevision(db, list.get(i), gitPath);
return r;
}
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 IFileRevision[] getContributors(final IFileRevision ifr) {
if (!(ifr instanceof CommitFileRevision)) return NO_REVISIONS;
final CommitFileRevision rev = (CommitFileRevision) ifr;
final Repository db = walk.getRepository();
final String p = rev.getGitPath();
final RevCommit c = rev.getRevCommit();
final IFileRevision[] r = new IFileRevision[c.getParentCount()];
for (int i = 0; i < r.length; i++) r[i] = new CommitFileRevision(db, c.getParent(i), p);
return r;
}
public IFileRevision getFileRevision(final String id) {
if (id == null
|| id.equals("") // $NON-NLS-1$
|| GitFileRevision.WORKSPACE.equals(id)) return new WorkspaceFileRevision(resource);
if (GitFileRevision.INDEX.equals(id))
return new IndexFileRevision(walk.getRepository(), gitPath);
// Only return a revision if it was matched by this filtered history
for (IFileRevision r : revisions) {
if (r.getContentIdentifier().equals(id)) return r;
}
return null;
}
public IFileRevision[] getTargets(final IFileRevision ifr) {
if (!(ifr instanceof CommitFileRevision)) return NO_REVISIONS;
final CommitFileRevision rev = (CommitFileRevision) ifr;
final Repository db = walk.getRepository();
final String p = rev.getGitPath();
final RevCommit rc = rev.getRevCommit();
if (!(rc instanceof KidCommit)) return NO_REVISIONS;
final KidCommit c = (KidCommit) rc;
final IFileRevision[] r = new IFileRevision[c.children.length];
for (int i = 0; i < r.length; i++) r[i] = new CommitFileRevision(db, c.children[i], p);
return r;
}
