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- /*
- * Copyright (C) 2011, Chris Aniszczyk <zx@redhat.com>
- * Copyright (C) 2011, Abhishek Bhatnagar <abhatnag@redhat.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 static org.eclipse.jgit.lib.Constants.DOT_GIT;
-
- import java.io.File;
- import java.io.IOException;
- import java.util.Collections;
- import java.util.Set;
- import java.util.TreeSet;
-
- import org.eclipse.jgit.api.errors.GitAPIException;
- import org.eclipse.jgit.api.errors.JGitInternalException;
- import org.eclipse.jgit.errors.NoWorkTreeException;
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.util.FS;
- import org.eclipse.jgit.util.FileUtils;
-
- /**
- * Remove untracked files from the working tree
- *
- * @see <a
- * href="http://www.kernel.org/pub/software/scm/git/docs/git-clean.html"
- * >Git documentation about Clean</a>
- */
- public class CleanCommand extends GitCommand<Set<String>> {
-
- private Set<String> paths = Collections.emptySet();
-
- private boolean dryRun;
-
- private boolean directories;
-
- private boolean ignore = true;
-
- private boolean force = false;
-
- /**
- * @param repo
- */
- protected CleanCommand(Repository repo) {
- super(repo);
- }
-
- /**
- * Executes the {@code clean} command with all the options and parameters
- * collected by the setter methods of this class. Each instance of this
- * class should only be used for one invocation of the command (means: one
- * call to {@link #call()})
- *
- * @return a set of strings representing each file cleaned.
- * @throws GitAPIException
- * @throws NoWorkTreeException
- */
- public Set<String> call() throws NoWorkTreeException, GitAPIException {
- Set<String> files = new TreeSet<String>();
- try {
- StatusCommand command = new StatusCommand(repo);
- Status status = command.call();
-
- Set<String> untrackedAndIgnoredFiles = new TreeSet<String>(
- status.getUntracked());
- Set<String> untrackedAndIgnoredDirs = new TreeSet<String>(
- status.getUntrackedFolders());
-
- FS fs = getRepository().getFS();
- for (String p : status.getIgnoredNotInIndex()) {
- File f = new File(repo.getWorkTree(), p);
- if (fs.isFile(f) || fs.isSymLink(f))
- untrackedAndIgnoredFiles.add(p);
- else if (fs.isDirectory(f))
- untrackedAndIgnoredDirs.add(p);
- }
-
- Set<String> filtered = filterFolders(untrackedAndIgnoredFiles,
- untrackedAndIgnoredDirs);
-
- Set<String> notIgnoredFiles = filterIgnorePaths(filtered,
- status.getIgnoredNotInIndex(), true);
- Set<String> notIgnoredDirs = filterIgnorePaths(
- untrackedAndIgnoredDirs,
- status.getIgnoredNotInIndex(), false);
-
- for (String file : notIgnoredFiles)
- if (paths.isEmpty() || paths.contains(file) || isFileInPaths(file) ) {
- files = cleanPath(file, files);
- }
-
- for (String dir : notIgnoredDirs)
- if (paths.isEmpty() || paths.contains(dir) || isFileInPaths(dir) ) {
- files = cleanPath(dir, files);
- }
- } catch (IOException e) {
- throw new JGitInternalException(e.getMessage(), e);
- }
- return files;
- }
-
- protected boolean isFileInPaths(final String file) {
- if(paths.isEmpty()){
- return false;
- }
- String path=file;
- final Set<String> dirs = new HashSet<String>();
- while(true){
- int idx = path.lastIndexOf("/");
- if( idx> 0 ){
- path=file.substring(0,idx);
- if(paths.contains(path)){
- paths.addAll(dirs);
- return true;
- }
- dirs.add(path);
- }else{
- break;
- }
- return idx == -1 ? false : ;
- }
- return false;
- }
-
- /**
- * When dryRun is false, deletes the specified path from disk. If dryRun
- * is true, no paths are actually deleted. In both cases, the paths that
- * would have been deleted are added to inFiles and returned.
- *
- * Paths that are directories are recursively deleted when
- * {@link #directories} is true.
- * Paths that are git repositories are recursively deleted when
- * {@link #directories} and {@link #force} are both true.
- *
- * @param path
- * The path to be cleaned
- * @param inFiles
- * A set of strings representing the files that have been cleaned
- * already, the path to be cleaned will be added to this set
- * before being returned.
- *
- * @return a set of strings with the cleaned path added to it
- * @throws IOException
- */
- private Set<String> cleanPath(String path, Set<String> inFiles)
- throws IOException {
- File curFile = new File(repo.getWorkTree(), path);
- if (curFile.isDirectory()) {
- if (directories) {
- // Is this directory a git repository?
- if (new File(curFile, DOT_GIT).exists()) {
- if (force) {
- if (!dryRun) {
- FileUtils.delete(curFile, FileUtils.RECURSIVE);
- }
- inFiles.add(path + "/"); //$NON-NLS-1$
- }
- } else {
- if (!dryRun) {
- FileUtils.delete(curFile, FileUtils.RECURSIVE);
- }
- inFiles.add(path + "/"); //$NON-NLS-1$
- }
- }
- } else {
- if (!dryRun) {
- FileUtils.delete(curFile, FileUtils.NONE);
- }
- inFiles.add(path);
- }
-
- return inFiles;
- }
-
- private Set<String> filterIgnorePaths(Set<String> inputPaths,
- Set<String> ignoredNotInIndex, boolean exact) {
- if (ignore) {
- Set<String> filtered = new TreeSet<String>(inputPaths);
- for (String path : inputPaths)
- for (String ignored : ignoredNotInIndex)
- if ((exact && path.equals(ignored))
- || (!exact && path.startsWith(ignored))) {
- filtered.remove(path);
- break;
- }
-
- return filtered;
- }
- return inputPaths;
- }
-
- private Set<String> filterFolders(Set<String> untracked,
- Set<String> untrackedFolders) {
- Set<String> filtered = new TreeSet<String>(untracked);
- for (String file : untracked)
- for (String folder : untrackedFolders)
- if (file.startsWith(folder)) {
- filtered.remove(file);
- break;
- }
-
-
- return filtered;
- }
-
- /**
- * If paths are set, only these paths are affected by the cleaning.
- *
- * @param paths
- * the paths to set (with <code>/</code> as separator)
- * @return {@code this}
- */
- public CleanCommand setPaths(Set<String> paths) {
- this.paths = paths;
- return this;
- }
-
- /**
- * If dryRun is set, the paths in question will not actually be deleted.
- *
- * @param dryRun
- * whether to do a dry run or not
- * @return {@code this}
- */
- public CleanCommand setDryRun(boolean dryRun) {
- this.dryRun = dryRun;
- return this;
- }
-
- /**
- * If force is set, directories that are git repositories will also be
- * deleted.
- *
- * @param force
- * whether or not to delete git repositories
- * @return {@code this}
- * @since 4.5
- */
- public CleanCommand setForce(boolean force) {
- this.force = force;
- return this;
- }
-
- /**
- * If dirs is set, in addition to files, also clean directories.
- *
- * @param dirs
- * whether to clean directories too, or only files.
- * @return {@code this}
- */
- public CleanCommand setCleanDirectories(boolean dirs) {
- directories = dirs;
- return this;
- }
-
- /**
- * If ignore is set, don't report/clean files/directories that are ignored
- * by a .gitignore. otherwise do handle them.
- *
- * @param ignore
- * whether to respect .gitignore or not.
- * @return {@code this}
- */
- public CleanCommand setIgnore(boolean ignore) {
- this.ignore = ignore;
- return this;
- }
- }
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