// find commits that are (only?) in each remote
private void getCommitsInR(RevWalk walk, boolean only)
throws MissingObjectException, IncorrectObjectTypeException, IOException {
Iterator<BranchRef> brIt;
LinkedHashMap<String, ArrayList<Commit>> commits;
ArrayList<RevCommit> comm;
ArrayList<RevCommit> included = new ArrayList<RevCommit>();
ArrayList<RevCommit> excluded = new ArrayList<RevCommit>();
Entry<String, ArrayList<BranchRef>> er;
String r;
Commit c;
ArrayList<Commit> newcos;
Iterator<Entry<String, ArrayList<BranchRef>>> erit;
Iterator<String> sit = branches.keySet().iterator();
commits = new LinkedHashMap<String, ArrayList<Commit>>(branches.size() / 2, 1);
if (only) excluded.ensureCapacity(allBranches.size() - 1);
// int j = 0;
while (sit.hasNext()) {
/**/
// System.err.println("###### Iteration " + (++j));
r = sit.next();
erit = branches.entrySet().iterator();
while (erit.hasNext()) {
er = erit.next();
brIt = er.getValue().iterator();
if (er.getKey().equals(r)) {
while (brIt.hasNext()) {
GitWorks.addUnique(included, walk.parseCommit(brIt.next().id));
}
} else if (only) {
while (brIt.hasNext()) {
GitWorks.addUnique(excluded, walk.parseCommit(brIt.next().id));
}
}
}
comm = findCommits(walk, included, excluded, false, 0);
if (comm != null) {
newcos = new ArrayList<Commit>(comm.size());
for (int i = 0; i < comm.size(); i++) {
c = GitWorks.getElement(allCommits, comm.get(i));
newcos.add(c);
}
commits.put(r, newcos);
}
included.clear();
excluded.clear();
walk.reset();
}
included.trimToSize();
included.ensureCapacity(50);
excluded.trimToSize();
excluded.ensureCapacity(50);
if (only) comOnlyInF = commits.isEmpty() ? null : commits;
else comInF = commits.isEmpty() ? null : commits;
}
// printout all commit messages in a given range -> use and reset an existing RevWalk
private void printCommits(String outFile, RevWalk walk)
throws IOException, NoHeadException, GitAPIException {
PrintWriter pout = new PrintWriter(new FileWriter(outFile), true);
RevCommit c = walk.next();
while (c != null && !c.has(RevFlag.UNINTERESTING)) {
pout.println(printCommit(c));
c = walk.next();
}
walk.reset();
pout.close();
}
@NotNull
public SortedSet<RevCommit> calculate(@NotNull String branchName, @Nullable RevFilter revFilter)
throws IOException {
Ref head = myRepository.getRef(branchName);
if (head == null) {
throw new IllegalArgumentException("Branch does not exist: [branchName: " + branchName + "]");
}
myRevWalk.markStart(myRevWalk.parseCommit(head.getObjectId()));
myRevWalk.setRevFilter(revFilter);
SortedSet<RevCommit> roots = new TreeSet<>(REV_COMMIT_COMPARATOR);
for (RevCommit commit : myRevWalk) {
roots.add(commit);
}
myRevWalk.reset();
myRevWalk.dispose();
return roots;
}
/**
* Create an iterator to walk the merge base of two commits.
*
* @param aIdx index of the first commit in {@link #sourceObjects}.
* @param bIdx index of the second commit in {@link #sourceObjects}.
* @return the new iterator
* @throws IncorrectObjectTypeException one of the input objects is not a commit.
* @throws IOException objects are missing or multiple merge bases were found.
*/
protected AbstractTreeIterator mergeBase(final int aIdx, final int bIdx) throws IOException {
if (sourceCommits[aIdx] == null)
throw new IncorrectObjectTypeException(sourceObjects[aIdx], Constants.TYPE_COMMIT);
if (sourceCommits[bIdx] == null)
throw new IncorrectObjectTypeException(sourceObjects[bIdx], Constants.TYPE_COMMIT);
walk.reset();
walk.setRevFilter(RevFilter.MERGE_BASE);
walk.markStart(sourceCommits[aIdx]);
walk.markStart(sourceCommits[bIdx]);
final RevCommit base = walk.next();
if (base == null) return new EmptyTreeIterator();
final RevCommit base2 = walk.next();
if (base2 != null) {
throw new IOException(
MessageFormat.format(
JGitText.get().multipleMergeBasesFor,
sourceCommits[aIdx].name(),
sourceCommits[bIdx].name(),
base.name(),
base2.name()));
}
return openTree(base.getTree());
}
// fast but resource-demanding
// find commits that are (uniquely?) in a branch
// used to build the allCommits and allAuthors arrays as well
private void getCommitsInB(RevWalk walk, boolean only)
throws MissingObjectException, IncorrectObjectTypeException, IOException {
int c;
BranchRef b;
Iterator<BranchRef> brIt;
LinkedHashMap<Commit, ArrayList<Commit>> commits;
Commit newco, co;
Person newpe;
ArrayList<Commit> newcos;
ArrayList<RevCommit> comm;
ArrayList<RevCommit> included = new ArrayList<RevCommit>();
ArrayList<RevCommit> excluded = new ArrayList<RevCommit>();
ArrayList<BranchRef> temp = new ArrayList<BranchRef>();
if (only) {
temp.ensureCapacity(allBranches.size() - 1);
excluded.ensureCapacity(allBranches.size() - 1);
} else if (allCommits.size() > 0) {
System.err.println(
"GitMIner ( "
+ name
+ " -- "
+ id
+ " ) ERROR : the allCommits array has already been built!");
return;
}
commits =
only
? new LinkedHashMap<Commit, ArrayList<Commit>>()
: new LinkedHashMap<Commit, ArrayList<Commit>>(allBranches.size(), 1);
for (int i = 0; i < allBranches.size(); i++) {
b = allBranches.get(i); /**/ // System.err.println("###### Iteration " + (i+1));
if (commits.containsKey(b.id)) {
commits.get(b.id).get(0).addHead(b);
continue;
}
if (only) {
temp.clear();
if (i > 0) temp.addAll(allBranches.subList(0, i));
temp.addAll(allBranches.subList(i + 1, allBranches.size()));
brIt = temp.iterator();
while (brIt.hasNext()) {
GitWorks.addUnique(excluded, walk.parseCommit(brIt.next().id));
}
}
GitWorks.addUnique(included, walk.parseCommit(b.id));
comm = findCommits(walk, included, excluded, !only, 0);
if (comm != null) { // if only == false this is always true
newcos = new ArrayList<Commit>(comm.size());
for (int j = 0; j < comm.size(); j++) {
if (!only) {
newco = new Commit(comm.get(j)); // this RevCommit has a buffer -> populate allCommits
c = GitWorks.addUnique(allCommits, newco);
co = allCommits.get(c);
co.addBranch(b);
if (j == 0) {
co.addHead(b);
}
newpe = new Person(co.getAuthoringInfo());
GitWorks.addUnique(allAuthors, newpe);
} else { // this RevCommit has no buffer
co = GitWorks.getElement(allCommits, comm.get(j));
}
newcos.add(co);
}
commits.put(newcos.get(0), newcos);
}
included.clear();
excluded.clear();
walk.reset();
}
included.trimToSize();
included.ensureCapacity(50);
excluded.trimToSize();
excluded.ensureCapacity(50);
if (only) comOnlyInB = commits.isEmpty() ? null : commits;
else comInB = commits;
}
