- /*
- * Copyright (C) 2010, Christian Halstrick <christian.halstrick@sap.com>
- * Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- package org.eclipse.jgit.api;
-
- import java.io.IOException;
- import java.io.InputStream;
- import java.util.Collection;
- import java.util.LinkedList;
-
- import org.eclipse.jgit.JGitText;
- import org.eclipse.jgit.api.errors.JGitInternalException;
- import org.eclipse.jgit.api.errors.NoFilepatternException;
- import org.eclipse.jgit.dircache.DirCache;
- import org.eclipse.jgit.dircache.DirCacheBuildIterator;
- import org.eclipse.jgit.dircache.DirCacheBuilder;
- import org.eclipse.jgit.dircache.DirCacheEntry;
- import org.eclipse.jgit.dircache.DirCacheIterator;
- import org.eclipse.jgit.lib.Constants;
- import org.eclipse.jgit.lib.FileMode;
- import org.eclipse.jgit.lib.ObjectInserter;
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.treewalk.FileTreeIterator;
- import org.eclipse.jgit.treewalk.TreeWalk;
- import org.eclipse.jgit.treewalk.WorkingTreeIterator;
- import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
-
- /**
- * A class used to execute a {@code Add} command. It has setters for all
- * supported options and arguments of this command and a {@link #call()} method
- * to finally execute the command. Each instance of this class should only be
- * used for one invocation of the command (means: one call to {@link #call()})
- *
- * @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-add.html"
- * >Git documentation about Add</a>
- */
- public class AddCommand extends GitCommand<DirCache> {
-
- private Collection<String> filepatterns;
-
- private WorkingTreeIterator workingTreeIterator;
-
- private boolean update = false;
-
- /**
- *
- * @param repo
- */
- public AddCommand(Repository repo) {
- super(repo);
- filepatterns = new LinkedList<String>();
- }
-
- /**
- * @param filepattern
- * File to add content from. Also a leading directory name (e.g.
- * dir to add dir/file1 and dir/file2) can be given to add all
- * files in the directory, recursively. Fileglobs (e.g. *.c) are
- * not yet supported.
- * @return {@code this}
- */
- public AddCommand addFilepattern(String filepattern) {
- checkCallable();
- filepatterns.add(filepattern);
- return this;
- }
-
- /**
- * Allow clients to provide their own implementation of a FileTreeIterator
- * @param f
- * @return {@code this}
- */
- public AddCommand setWorkingTreeIterator(WorkingTreeIterator f) {
- workingTreeIterator = f;
- return this;
- }
-
- /**
- * Executes the {@code Add} command. Each instance of this class should only
- * be used for one invocation of the command. Don't call this method twice
- * on an instance.
- *
- * @return the DirCache after Add
- */
- public DirCache call() throws NoFilepatternException {
-
- if (filepatterns.isEmpty())
- throw new NoFilepatternException(JGitText.get().atLeastOnePatternIsRequired);
- checkCallable();
- DirCache dc = null;
- boolean addAll = false;
- if (filepatterns.contains("."))
- addAll = true;
-
- ObjectInserter inserter = repo.newObjectInserter();
- try {
- dc = repo.lockDirCache();
- DirCacheIterator c;
-
- DirCacheBuilder builder = dc.builder();
- final TreeWalk tw = new TreeWalk(repo);
- tw.addTree(new DirCacheBuildIterator(builder));
- if (workingTreeIterator == null)
- workingTreeIterator = new FileTreeIterator(repo);
- tw.addTree(workingTreeIterator);
- tw.setRecursive(true);
- if (!addAll)
- tw.setFilter(PathFilterGroup.createFromStrings(filepatterns));
-
- String lastAddedFile = null;
-
- while (tw.next()) {
- String path = tw.getPathString();
-
- WorkingTreeIterator f = tw.getTree(1, WorkingTreeIterator.class);
- if (tw.getTree(0, DirCacheIterator.class) == null &&
- f != null && f.isEntryIgnored()) {
- // file is not in index but is ignored, do nothing
- }
- // In case of an existing merge conflict the
- // DirCacheBuildIterator iterates over all stages of
- // this path, we however want to add only one
- // new DirCacheEntry per path.
- else if (!(path.equals(lastAddedFile))) {
- if (!(update && tw.getTree(0, DirCacheIterator.class) == null)) {
- c = tw.getTree(0, DirCacheIterator.class);
- if (f != null) { // the file exists
- long sz = f.getEntryLength();
- DirCacheEntry entry = new DirCacheEntry(path);
- if (c == null || c.getDirCacheEntry() == null
- || !c.getDirCacheEntry().isAssumeValid()) {
- FileMode mode = f.getIndexFileMode(c);
- entry.setFileMode(mode);
-
- if (FileMode.GITLINK != mode) {
- entry.setLength(sz);
- entry.setLastModified(f
- .getEntryLastModified());
- InputStream in = f.openEntryStream();
- try {
- entry.setObjectId(inserter.insert(
- Constants.OBJ_BLOB, sz, in));
- } finally {
- in.close();
- }
- } else
- entry.setObjectId(f.getEntryObjectId());
- builder.add(entry);
- lastAddedFile = path;
- } else {
- builder.add(c.getDirCacheEntry());
- }
-
- } else if (c != null
- && (!update || FileMode.GITLINK == c
- .getEntryFileMode()))
- builder.add(c.getDirCacheEntry());
- }
- }
- }
- inserter.flush();
- builder.commit();
- setCallable(false);
- } catch (IOException e) {
- throw new JGitInternalException(
- JGitText.get().exceptionCaughtDuringExecutionOfAddCommand, e);
- } finally {
- inserter.release();
- if (dc != null)
- dc.unlock();
- }
-
- return dc;
- }
-
- /**
- * @param update
- * If set to true, the command only matches {@code filepattern}
- * against already tracked files in the index rather than the
- * working tree. That means that it will never stage new files,
- * but that it will stage modified new contents of tracked files
- * and that it will remove files from the index if the
- * corresponding files in the working tree have been removed.
- * In contrast to the git command line a {@code filepattern} must
- * exist also if update is set to true as there is no
- * concept of a working directory here.
- *
- * @return {@code this}
- */
- public AddCommand setUpdate(boolean update) {
- this.update = update;
- return this;
- }
-
- /**
- * @return is the parameter update is set
- */
- public boolean isUpdate() {
- return update;
- }
- }
|