private static void assertV3TreeEntry(
int indexPosition, String path, boolean skipWorkTree, boolean intentToAdd, DirCache dc) {
final DirCacheEntry entry = dc.getEntry(indexPosition);
assertEquals(path, entry.getPathString());
assertEquals(skipWorkTree, entry.isSkipWorkTree());
assertEquals(intentToAdd, entry.isIntentToAdd());
}
private void assumeUnchanged(String path) throws IOException {
final DirCache dirc = db.lockDirCache();
final DirCacheEntry ent = dirc.getEntry(path);
if (ent != null) ent.setAssumeValid(true);
dirc.write();
if (!dirc.commit()) throw new IOException("could not commit");
}
@Test
public void testUnsupportedOptionalExtension() throws Exception {
final DirCache dc = new DirCache(pathOf("gitgit.index.ZZZZ"), FS.DETECTED);
dc.read();
assertEquals(1, dc.getEntryCount());
assertEquals("A", dc.getEntry(0).getPathString());
}
@Test
public void testReadIndex_LsFiles() throws Exception {
final Map<String, CGitIndexRecord> ls = readLsFiles();
final DirCache dc = new DirCache(index, FS.DETECTED);
assertEquals(0, dc.getEntryCount());
dc.read();
assertEquals(ls.size(), dc.getEntryCount());
{
final Iterator<CGitIndexRecord> rItr = ls.values().iterator();
for (int i = 0; rItr.hasNext(); i++) assertEqual(rItr.next(), dc.getEntry(i));
}
}
@Test
public void testPathsResetOnUnbornBranch() throws Exception {
git = new Git(db);
writeTrashFile("a.txt", "content");
git.add().addFilepattern("a.txt").call();
// Should assume an empty tree, like in C Git 1.8.2
git.reset().addPath("a.txt").call();
DirCache cache = db.readDirCache();
DirCacheEntry aEntry = cache.getEntry("a.txt");
assertNull(aEntry);
}
@Test
public void testMixedResetRetainsSizeAndModifiedTime() throws Exception {
git = new Git(db);
writeTrashFile("a.txt", "a").setLastModified(System.currentTimeMillis() - 60 * 1000);
assertNotNull(git.add().addFilepattern("a.txt").call());
assertNotNull(git.commit().setMessage("a commit").call());
writeTrashFile("b.txt", "b").setLastModified(System.currentTimeMillis() - 60 * 1000);
assertNotNull(git.add().addFilepattern("b.txt").call());
RevCommit commit2 = git.commit().setMessage("b commit").call();
assertNotNull(commit2);
DirCache cache = db.readDirCache();
DirCacheEntry aEntry = cache.getEntry("a.txt");
assertNotNull(aEntry);
assertTrue(aEntry.getLength() > 0);
assertTrue(aEntry.getLastModified() > 0);
DirCacheEntry bEntry = cache.getEntry("b.txt");
assertNotNull(bEntry);
assertTrue(bEntry.getLength() > 0);
assertTrue(bEntry.getLastModified() > 0);
git.reset().setMode(ResetType.MIXED).setRef(commit2.getName()).call();
cache = db.readDirCache();
DirCacheEntry mixedAEntry = cache.getEntry("a.txt");
assertNotNull(mixedAEntry);
assertEquals(aEntry.getLastModified(), mixedAEntry.getLastModified());
assertEquals(aEntry.getLastModified(), mixedAEntry.getLastModified());
DirCacheEntry mixedBEntry = cache.getEntry("b.txt");
assertNotNull(mixedBEntry);
assertEquals(bEntry.getLastModified(), mixedBEntry.getLastModified());
assertEquals(bEntry.getLastModified(), mixedBEntry.getLastModified());
}
@Test
public void testHardResetOnUnbornBranch() throws Exception {
git = new Git(db);
File fileA = writeTrashFile("a.txt", "content");
git.add().addFilepattern("a.txt").call();
// Should assume an empty tree, like in C Git 1.8.2
git.reset().setMode(ResetType.HARD).call();
DirCache cache = db.readDirCache();
DirCacheEntry aEntry = cache.getEntry("a.txt");
assertNull(aEntry);
assertFalse(fileA.exists());
assertNull(db.resolve(Constants.HEAD));
}
/**
* Reverts the worktree after an unsuccessful merge. We know that for all modified files the old
* content was in the old index and the index contained only stage 0. In case if inCore operation
* just clear the history of modified files.
*
* @throws IOException
* @throws CorruptObjectException
* @throws NoWorkTreeException
* @since 3.4
*/
protected void cleanUp() throws NoWorkTreeException, CorruptObjectException, IOException {
if (inCore) {
modifiedFiles.clear();
return;
}
DirCache dc = db.readDirCache();
Iterator<String> mpathsIt = modifiedFiles.iterator();
while (mpathsIt.hasNext()) {
String mpath = mpathsIt.next();
DirCacheEntry entry = dc.getEntry(mpath);
if (entry != null) DirCacheCheckout.checkoutEntry(db, entry, reader);
mpathsIt.remove();
}
}
@Test
public void testEntriesWithin() throws Exception {
final DirCache dc = db.readDirCache();
final String[] paths = {"a.", "a/b", "a/c", "a/d", "a0b"};
final DirCacheEntry[] ents = new DirCacheEntry[paths.length];
for (int i = 0; i < paths.length; i++) {
ents[i] = new DirCacheEntry(paths[i]);
ents[i].setFileMode(FileMode.REGULAR_FILE);
}
final int aFirst = 1;
final int aLast = 3;
final DirCacheBuilder b = dc.builder();
for (int i = 0; i < ents.length; i++) b.add(ents[i]);
b.finish();
assertEquals(paths.length, dc.getEntryCount());
for (int i = 0; i < ents.length; i++) assertSame(ents[i], dc.getEntry(i));
{
final DirCacheEntry[] aContents = dc.getEntriesWithin("a");
assertNotNull(aContents);
assertEquals(aLast - aFirst + 1, aContents.length);
for (int i = aFirst, j = 0; i <= aLast; i++, j++) assertSame(ents[i], aContents[j]);
}
{
final DirCacheEntry[] aContents = dc.getEntriesWithin("a/");
assertNotNull(aContents);
assertEquals(aLast - aFirst + 1, aContents.length);
for (int i = aFirst, j = 0; i <= aLast; i++, j++) assertSame(ents[i], aContents[j]);
}
{
final DirCacheEntry[] aContents = dc.getEntriesWithin("");
assertNotNull(aContents);
assertEquals(ents.length, aContents.length);
for (int i = 0; i < ents.length; i++) assertSame(ents[i], aContents[i]);
}
assertNotNull(dc.getEntriesWithin("a."));
assertEquals(0, dc.getEntriesWithin("a.").length);
assertNotNull(dc.getEntriesWithin("a0b"));
assertEquals(0, dc.getEntriesWithin("a0b.").length);
assertNotNull(dc.getEntriesWithin("zoo"));
assertEquals(0, dc.getEntriesWithin("zoo.").length);
}
/**
* Update the submodules in one branch of one repository.
*
* @param subscriber the branch of the repository which should be changed.
* @param updates submodule updates which should be updated to.
* @throws SubmoduleException
*/
private void updateGitlinks(
ReviewDb db, Branch.NameKey subscriber, Collection<SubmoduleSubscription> updates)
throws SubmoduleException {
PersonIdent author = null;
Repository pdb = null;
RevWalk recRw = null;
StringBuilder msgbuf = new StringBuilder("Updated git submodules\n\n");
try {
boolean sameAuthorForAll = true;
pdb = repoManager.openRepository(subscriber.getParentKey());
if (pdb.getRef(subscriber.get()) == null) {
throw new SubmoduleException(
"The branch was probably deleted from the subscriber repository");
}
DirCache dc = readTree(pdb, pdb.getRef(subscriber.get()));
DirCacheEditor ed = dc.editor();
for (SubmoduleSubscription s : updates) {
try (Repository subrepo = repoManager.openRepository(s.getSubmodule().getParentKey());
RevWalk rw = CodeReviewCommit.newRevWalk(subrepo)) {
Ref ref = subrepo.getRefDatabase().exactRef(s.getSubmodule().get());
if (ref == null) {
ed.add(new DeletePath(s.getPath()));
continue;
}
final ObjectId updateTo = ref.getObjectId();
RevCommit newCommit = rw.parseCommit(updateTo);
if (author == null) {
author = newCommit.getAuthorIdent();
} else if (!author.equals(newCommit.getAuthorIdent())) {
sameAuthorForAll = false;
}
DirCacheEntry dce = dc.getEntry(s.getPath());
ObjectId oldId = null;
if (dce != null) {
if (!dce.getFileMode().equals(FileMode.GITLINK)) {
log.error(
"Requested to update gitlink "
+ s.getPath()
+ " in "
+ s.getSubmodule().getParentKey().get()
+ " but entry "
+ "doesn't have gitlink file mode.");
continue;
}
oldId = dce.getObjectId();
} else {
// This submodule did not exist before. We do not want to add
// the full submodule history to the commit message, so omit it.
oldId = updateTo;
}
ed.add(
new PathEdit(s.getPath()) {
@Override
public void apply(DirCacheEntry ent) {
ent.setFileMode(FileMode.GITLINK);
ent.setObjectId(updateTo);
}
});
if (verboseSuperProject) {
msgbuf.append("Project: " + s.getSubmodule().getParentKey().get());
msgbuf.append(" " + s.getSubmodule().getShortName());
msgbuf.append(" " + updateTo.getName());
msgbuf.append("\n\n");
try {
rw.markStart(newCommit);
if (oldId != null) {
rw.markUninteresting(rw.parseCommit(oldId));
}
for (RevCommit c : rw) {
msgbuf.append(c.getFullMessage() + "\n\n");
}
} catch (IOException e) {
logAndThrowSubmoduleException(
"Could not perform a revwalk to " + "create superproject commit message", e);
}
}
}
}
ed.finish();
if (!sameAuthorForAll || author == null) {
author = myIdent;
}
ObjectInserter oi = pdb.newObjectInserter();
ObjectId tree = dc.writeTree(oi);
ObjectId currentCommitId = pdb.getRef(subscriber.get()).getObjectId();
CommitBuilder commit = new CommitBuilder();
commit.setTreeId(tree);
commit.setParentIds(new ObjectId[] {currentCommitId});
commit.setAuthor(author);
commit.setCommitter(myIdent);
commit.setMessage(msgbuf.toString());
oi.insert(commit);
oi.flush();
ObjectId commitId = oi.idFor(Constants.OBJ_COMMIT, commit.build());
final RefUpdate rfu = pdb.updateRef(subscriber.get());
rfu.setForceUpdate(false);
rfu.setNewObjectId(commitId);
rfu.setExpectedOldObjectId(currentCommitId);
rfu.setRefLogMessage("Submit to " + subscriber.getParentKey().get(), true);
switch (rfu.update()) {
case NEW:
case FAST_FORWARD:
gitRefUpdated.fire(subscriber.getParentKey(), rfu);
changeHooks.doRefUpdatedHook(subscriber, rfu, account);
// TODO since this is performed "in the background" no mail will be
// sent to inform users about the updated branch
break;
default:
throw new IOException(rfu.getResult().name());
}
recRw = new RevWalk(pdb);
// Recursive call: update subscribers of the subscriber
updateSuperProjects(db, Sets.newHashSet(subscriber));
} catch (IOException e) {
throw new SubmoduleException("Cannot update gitlinks for " + subscriber.get(), e);
} finally {
if (recRw != null) {
recRw.close();
}
if (pdb != null) {
pdb.close();
}
}
}
private boolean isInIndex(Repository db, String path) throws IOException {
DirCache dc = DirCache.read(db.getIndexFile(), db.getFS());
return dc.getEntry(path) != null;
}
private boolean doCheckout()
throws CorruptObjectException, IOException, MissingObjectException,
IncorrectObjectTypeException, CheckoutConflictException, IndexWriteException {
toBeDeleted.clear();
ObjectReader objectReader = repo.getObjectDatabase().newReader();
try {
if (headCommitTree != null) preScanTwoTrees();
else prescanOneTree();
if (!conflicts.isEmpty()) {
if (failOnConflict)
throw new CheckoutConflictException(conflicts.toArray(new String[conflicts.size()]));
else cleanUpConflicts();
}
// update our index
builder.finish();
File file = null;
String last = ""; // $NON-NLS-1$
// when deleting files process them in the opposite order as they have
// been reported. This ensures the files are deleted before we delete
// their parent folders
for (int i = removed.size() - 1; i >= 0; i--) {
String r = removed.get(i);
file = new File(repo.getWorkTree(), r);
if (!file.delete() && file.exists()) {
// The list of stuff to delete comes from the index
// which will only contain a directory if it is
// a submodule, in which case we shall not attempt
// to delete it. A submodule is not empty, so it
// is safe to check this after a failed delete.
if (!file.isDirectory()) toBeDeleted.add(r);
} else {
if (!isSamePrefix(r, last)) removeEmptyParents(new File(repo.getWorkTree(), last));
last = r;
}
}
if (file != null) removeEmptyParents(file);
for (String path : updated.keySet()) {
// ... create/overwrite this file ...
file = new File(repo.getWorkTree(), path);
if (!file.getParentFile().mkdirs()) {
// ignore
}
DirCacheEntry entry = dc.getEntry(path);
// submodules are handled with separate operations
if (FileMode.GITLINK.equals(entry.getRawMode())) continue;
checkoutEntry(repo, file, entry, objectReader);
}
// commit the index builder - a new index is persisted
if (!builder.commit()) throw new IndexWriteException();
} finally {
objectReader.release();
}
return toBeDeleted.size() == 0;
}
public int getDirCacheEntryLength(String path) throws IOException {
String repoPath = getRepoRelativePath(path);
DirCache dc = DirCache.read(repository.getIndexFile(), repository.getFS());
return dc.getEntry(repoPath).getLength();
}
public long lastModifiedInIndex(String path) throws IOException {
String repoPath = getRepoRelativePath(path);
DirCache dc = DirCache.read(repository.getIndexFile(), repository.getFS());
return dc.getEntry(repoPath).getLastModified();
}
public boolean inIndex(String path) throws IOException {
String repoPath = getRepoRelativePath(path);
DirCache dc = DirCache.read(repository.getIndexFile(), repository.getFS());
return dc.getEntry(repoPath) != null;
}
@Override
protected void run() throws Exception {
if (file == null) {
if (revision == null) throw die(CLIText.get().fileIsRequired);
file = revision;
revision = null;
}
boolean autoAbbrev = abbrev == 0;
if (abbrev == 0)
abbrev = db.getConfig().getInt("core", "abbrev", 7); // $NON-NLS-1$ //$NON-NLS-2$
if (!showBlankBoundary)
root =
db.getConfig().getBoolean("blame", "blankboundary", false); // $NON-NLS-1$ //$NON-NLS-2$
if (!root)
root = db.getConfig().getBoolean("blame", "showroot", false); // $NON-NLS-1$ //$NON-NLS-2$
if (showRawTimestamp) dateFmt = new SimpleDateFormat("ZZZZ"); // $NON-NLS-1$
else dateFmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss ZZZZ"); // $NON-NLS-1$
reader = db.newObjectReader();
try (BlameGenerator generator = new BlameGenerator(db, file)) {
RevFlag scanned = generator.newFlag("SCANNED"); // $NON-NLS-1$
generator.setTextComparator(comparator);
if (!reverseRange.isEmpty()) {
RevCommit rangeStart = null;
List<RevCommit> rangeEnd = new ArrayList<RevCommit>(2);
for (RevCommit c : reverseRange) {
if (c.has(RevFlag.UNINTERESTING)) rangeStart = c;
else rangeEnd.add(c);
}
generator.reverse(rangeStart, rangeEnd);
} else if (revision != null) {
generator.push(null, db.resolve(revision + "^{commit}")); // $NON-NLS-1$
} else {
generator.push(null, db.resolve(Constants.HEAD));
if (!db.isBare()) {
DirCache dc = db.readDirCache();
int entry = dc.findEntry(file);
if (0 <= entry) generator.push(null, dc.getEntry(entry).getObjectId());
File inTree = new File(db.getWorkTree(), file);
if (db.getFS().isFile(inTree)) generator.push(null, new RawText(inTree));
}
}
blame = BlameResult.create(generator);
begin = 0;
end = blame.getResultContents().size();
if (rangeString != null) parseLineRangeOption();
blame.computeRange(begin, end);
int authorWidth = 8;
int dateWidth = 8;
int pathWidth = 1;
int maxSourceLine = 1;
for (int line = begin; line < end; line++) {
RevCommit c = blame.getSourceCommit(line);
if (c != null && !c.has(scanned)) {
c.add(scanned);
if (autoAbbrev) abbrev = Math.max(abbrev, uniqueAbbrevLen(c));
authorWidth = Math.max(authorWidth, author(line).length());
dateWidth = Math.max(dateWidth, date(line).length());
pathWidth = Math.max(pathWidth, path(line).length());
}
while (line + 1 < end && blame.getSourceCommit(line + 1) == c) line++;
maxSourceLine = Math.max(maxSourceLine, blame.getSourceLine(line));
}
String pathFmt = MessageFormat.format(" %{0}s", valueOf(pathWidth)); // $NON-NLS-1$
String numFmt =
MessageFormat.format(
" %{0}d", //$NON-NLS-1$
valueOf(1 + (int) Math.log10(maxSourceLine + 1)));
String lineFmt =
MessageFormat.format(
" %{0}d) ", //$NON-NLS-1$
valueOf(1 + (int) Math.log10(end + 1)));
String authorFmt =
MessageFormat.format(
" (%-{0}s %{1}s", //$NON-NLS-1$
valueOf(authorWidth), valueOf(dateWidth));
for (int line = begin; line < end; ) {
RevCommit c = blame.getSourceCommit(line);
String commit = abbreviate(c);
String author = null;
String date = null;
if (!noAuthor) {
author = author(line);
date = date(line);
}
do {
outw.print(commit);
if (showSourcePath) outw.format(pathFmt, path(line));
if (showSourceLine) outw.format(numFmt, valueOf(blame.getSourceLine(line) + 1));
if (!noAuthor) outw.format(authorFmt, author, date);
outw.format(lineFmt, valueOf(line + 1));
outw.flush();
blame.getResultContents().writeLine(outs, line);
outs.flush();
outw.print('\n');
} while (++line < end && blame.getSourceCommit(line) == c);
}
} finally {
reader.close();
}
}