org.eclipse.jgit.dircache.DirCacheCheckout Java Examples

private void checkout() throws NoWorkTreeException, IOException {
	// Iterate in reverse so that "folder/file" is deleted before
	// "folder". Otherwise this could result in a failing path because
	// of a non-empty directory, for which delete() would fail.
	for (int i = toBeDeleted.size() - 1; i >= 0; i--) {
		String fileName = toBeDeleted.get(i);
		File f = new File(nonNullRepo().getWorkTree(), fileName);
		if (!f.delete())
			if (!f.isDirectory())
				failingPaths.put(fileName,
						MergeFailureReason.COULD_NOT_DELETE);
		modifiedFiles.add(fileName);
	}
	for (Map.Entry<String, DirCacheEntry> entry : toBeCheckedOut
			.entrySet()) {
		DirCacheEntry cacheEntry = entry.getValue();
		if (cacheEntry.getFileMode() == FileMode.GITLINK) {
			new File(nonNullRepo().getWorkTree(), entry.getKey()).mkdirs();
		} else {
			DirCacheCheckout.checkoutEntry(db, cacheEntry, reader, false,
					checkoutMetadata.get(entry.getKey()));
			modifiedFiles.add(entry.getKey());
		}
	}
}
 

/**
 * 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 java.io.IOException
 * @throws org.eclipse.jgit.errors.CorruptObjectException
 * @throws org.eclipse.jgit.errors.NoWorkTreeException
 * @since 3.4
 */
protected void cleanUp() throws NoWorkTreeException,
		CorruptObjectException,
		IOException {
	if (inCore) {
		modifiedFiles.clear();
		return;
	}

	DirCache dc = nonNullRepo().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, false,
					checkoutMetadata.get(mpath));
		}
		mpathsIt.remove();
	}
}
 

public void testJGitCheckout () throws Exception {
    File file1 = new File(workDir, "file1");
    write(file1, "blablablabla");
    Git git = new Git(repository);
    org.eclipse.jgit.api.AddCommand cmd = git.add();
    cmd.addFilepattern("file1");
    cmd.call();

    org.eclipse.jgit.api.CommitCommand commitCmd = git.commit();
    commitCmd.setAuthor("author", "author@something");
    commitCmd.setMessage("commit message");
    commitCmd.call();

    String commitId = git.log().call().iterator().next().getId().getName();
    DirCache cache = repository.lockDirCache();
    try {
        DirCacheCheckout checkout = new DirCacheCheckout(repository, null, cache, new RevWalk(repository).parseCommit(repository.resolve(commitId)).getTree());
        checkout.checkout();
    } finally {
        cache.unlock();
    }
}
 

public void checkoutEntry (Repository repository, File file, DirCacheEntry e, ObjectReader od) throws IOException, GitException {
    // ... create/overwrite this file ...
    if (!ensureParentFolderExists(file.getParentFile())) {
        return;
    }

    boolean exists = file.exists();
    if (exists && e.getFileMode() == FileMode.SYMLINK) {
        monitor.notifyWarning(MessageFormat.format(Utils.getBundle(CheckoutIndex.class).getString("MSG_Warning_SymLink"), file.getAbsolutePath())); //NOI18N
        return;
    }

    if (Utils.isFromNested(e.getFileMode().getBits())) {
        if (!exists) {
            file.mkdirs();
        }
    } else {
        if (exists && file.isDirectory()) {
            monitor.notifyWarning(MessageFormat.format(Utils.getBundle(CheckoutIndex.class).getString("MSG_Warning_ReplacingDirectory"), file.getAbsolutePath())); //NOI18N
            Utils.deleteRecursively(file);
        }
        file.createNewFile();
        if (file.isFile()) {
            DirCacheCheckout.checkoutEntry(repository, e, od);
        } else {
            monitor.notifyError(MessageFormat.format(Utils.getBundle(CheckoutIndex.class).getString("MSG_Warning_CannotCreateFile"), file.getAbsolutePath())); //NOI18N
        }
    }
}
 

public void testLargeFile () throws Exception {
    unpack("large.dat.zip");
    File large = new File(workDir, "large.dat");
    assertTrue(large.exists());
    assertEquals(2158310, large.length());
    add();
    DirCache cache = repository.readDirCache();
    DirCacheEntry e = cache.getEntry("large.dat");
    WindowCacheConfig cfg = new WindowCacheConfig();
    cfg.setStreamFileThreshold((int) large.length() - 1);
    cfg.install();
    DirCacheCheckout.checkoutEntry(repository, e, repository.newObjectReader());
}
 

private void checkoutPath(DirCacheEntry entry, ObjectReader reader) {
	try {
		DirCacheCheckout.checkoutEntry(repo, entry, reader);
	} catch (IOException e) {
		throw new JGitInternalException(MessageFormat.format(JGitText.get().checkoutConflictWithFile, entry.getPathString()), e);
	}
}