--- /dev/null
+/*
+ * Copyright (C) 2012, Matthias Sohn <matthias.sohn@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 static org.junit.Assert.assertTrue;
+
+import java.util.Date;
+import java.util.Properties;
+
+import org.eclipse.jgit.lib.RepositoryTestCase;
+import org.eclipse.jgit.util.GitDateParser;
+import org.junit.Before;
+import org.junit.Test;
+
+public class GarbageCollectCommandTest extends RepositoryTestCase {
+ private Git git;
+
+ @Override
+ @Before
+ public void setUp() throws Exception {
+ super.setUp();
+ git = new Git(db);
+ String path = "a.txt";
+ writeTrashFile(path, "content");
+ git.add().addFilepattern(path).call();
+ git.commit().setMessage("commit").call();
+ }
+
+ @Test
+ public void testGConeCommit() throws Exception {
+ Date expire = GitDateParser.parse("now", null);
+ Properties res = git.gc().setExpire(expire).call();
+ assertTrue(res.size() == 7);
+ }
+
+ @Test
+ public void testGCmoreCommits() throws Exception {
+ writeTrashFile("a.txt", "a couple of words for gc to pack");
+ writeTrashFile("b.txt", "a couple of words for gc to pack 2");
+ writeTrashFile("c.txt", "a couple of words for gc to pack 3");
+ git.commit().setAll(true).setMessage("commit2").call();
+ writeTrashFile("a.txt", "a couple of words for gc to pack more");
+ writeTrashFile("b.txt", "a couple of words for gc to pack more 2");
+ writeTrashFile("c.txt", "a couple of words for gc to pack more 3");
+ git.commit().setAll(true).setMessage("commit3").call();
+ Properties res = git.gc().setExpire(GitDateParser.parse("now", null))
+ .call();
+ assertTrue(res.size() == 7);
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2012, Matthias Sohn <matthias.sohn@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.text.MessageFormat;
+import java.text.ParseException;
+import java.util.Date;
+import java.util.Properties;
+
+import org.eclipse.jgit.api.errors.GitAPIException;
+import org.eclipse.jgit.api.errors.JGitInternalException;
+import org.eclipse.jgit.internal.JGitText;
+import org.eclipse.jgit.lib.ProgressMonitor;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.storage.file.FileRepository;
+import org.eclipse.jgit.storage.file.GC;
+import org.eclipse.jgit.storage.file.GC.RepoStatistics;
+import org.eclipse.jgit.util.GitDateParser;
+
+/**
+ * A class used to execute a {@code gc} 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()})
+ *
+ * @since 2.2
+ * @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-gc.html"
+ * >Git documentation about gc</a>
+ */
+public class GarbageCollectCommand extends GitCommand<Properties> {
+
+ private ProgressMonitor monitor;
+
+ private Date expire;
+
+ /**
+ * @param repo
+ */
+ protected GarbageCollectCommand(Repository repo) {
+ super(repo);
+ if (!(repo instanceof FileRepository))
+ throw new UnsupportedOperationException(MessageFormat.format(
+ JGitText.get().unsupportedGC, repo.getClass().toString()));
+ }
+
+ /**
+ * @param monitor
+ * a progress monitor
+ * @return this instance
+ */
+ public GarbageCollectCommand setProgressMonitor(ProgressMonitor monitor) {
+ this.monitor = monitor;
+ return this;
+ }
+
+ /**
+ * During gc() or prune() each unreferenced, loose object which has been
+ * created or modified after <code>expire</code> will not be pruned. Only
+ * older objects may be pruned. If set to null then every object is a
+ * candidate for pruning. Use {@link GitDateParser} to parse time formats
+ * used by git gc.
+ *
+ * @param expire
+ * minimal age of objects to be pruned.
+ * @return this instance
+ */
+ public GarbageCollectCommand setExpire(Date expire) {
+ this.expire = expire;
+ return this;
+ }
+
+ @Override
+ public Properties call() throws GitAPIException {
+ checkCallable();
+
+ GC gc = new GC((FileRepository) repo);
+ gc.setProgressMonitor(monitor);
+ if (this.expire != null)
+ gc.setExpire(expire);
+
+ try {
+ gc.gc();
+ return toProperties(gc.getStatistics());
+ } catch (IOException e) {
+ throw new JGitInternalException(JGitText.get().gcFailed, e);
+ } catch (ParseException e) {
+ throw new JGitInternalException(JGitText.get().gcFailed, e);
+ }
+ }
+
+ @SuppressWarnings("boxing")
+ private static Properties toProperties(RepoStatistics stats) {
+ Properties p = new Properties();
+ p.put("numberOfLooseObjects", stats.numberOfLooseObjects); //$NON-NLS-1$
+ p.put("numberOfLooseRefs", stats.numberOfLooseRefs); //$NON-NLS-1$
+ p.put("numberOfPackedObjects", stats.numberOfPackedObjects); //$NON-NLS-1$
+ p.put("numberOfPackedRefs", stats.numberOfPackedRefs); //$NON-NLS-1$
+ p.put("numberOfPackFiles", stats.numberOfPackFiles); //$NON-NLS-1$
+ p.put("sizeOfLooseObjects", stats.sizeOfLooseObjects); //$NON-NLS-1$
+ p.put("sizeOfPackedObjects", stats.sizeOfPackedObjects); //$NON-NLS-1$
+ return p;
+ }
+}