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- /*
- * Copyright (C) 2010, Google Inc.
- * Copyright (C) 2006-2008, Robin Rosenberg <robin.rosenberg@dewire.com>
- * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
- * 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.pgm;
-
- import java.io.BufferedOutputStream;
- import java.io.IOException;
- import java.text.DateFormat;
- import java.text.MessageFormat;
- import java.text.SimpleDateFormat;
- import java.util.Locale;
- import java.util.TimeZone;
-
- import org.eclipse.jgit.diff.DiffFormatter;
- import org.eclipse.jgit.diff.RawTextComparator;
- import org.eclipse.jgit.diff.RenameDetector;
- import org.eclipse.jgit.errors.CorruptObjectException;
- import org.eclipse.jgit.errors.IncorrectObjectTypeException;
- import org.eclipse.jgit.errors.MissingObjectException;
- import org.eclipse.jgit.lib.Constants;
- import org.eclipse.jgit.lib.FileMode;
- import org.eclipse.jgit.lib.ObjectId;
- import org.eclipse.jgit.lib.PersonIdent;
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.pgm.internal.CLIText;
- import org.eclipse.jgit.pgm.opt.PathTreeFilterHandler;
- import org.eclipse.jgit.revwalk.RevCommit;
- import org.eclipse.jgit.revwalk.RevObject;
- import org.eclipse.jgit.revwalk.RevTag;
- import org.eclipse.jgit.revwalk.RevTree;
- import org.eclipse.jgit.revwalk.RevWalk;
- import org.eclipse.jgit.treewalk.TreeWalk;
- import org.eclipse.jgit.treewalk.filter.TreeFilter;
- import org.kohsuke.args4j.Argument;
- import org.kohsuke.args4j.Option;
-
- @Command(common = true, usage = "usage_show")
- class Show extends TextBuiltin {
- private final TimeZone myTZ = TimeZone.getDefault();
-
- private final DateFormat fmt;
-
- private DiffFormatter diffFmt;
-
- @Argument(index = 0, metaVar = "metaVar_object")
- private String objectName;
-
- @Option(name = "--", metaVar = "metaVar_path", handler = PathTreeFilterHandler.class)
- protected TreeFilter pathFilter = TreeFilter.ALL;
-
- // BEGIN -- Options shared with Diff
- @Option(name = "-p", usage = "usage_showPatch")
- boolean showPatch;
-
- @Option(name = "-M", usage = "usage_detectRenames")
- private Boolean detectRenames;
-
- @Option(name = "--no-renames", usage = "usage_noRenames")
- void noRenames(@SuppressWarnings("unused") boolean on) {
- detectRenames = Boolean.FALSE;
- }
-
- @Option(name = "-l", usage = "usage_renameLimit")
- private Integer renameLimit;
-
- @Option(name = "--name-status", usage = "usage_nameStatus")
- private boolean showNameAndStatusOnly;
-
- @Option(name = "--ignore-space-at-eol")
- void ignoreSpaceAtEol(@SuppressWarnings("unused") boolean on) {
- diffFmt.setDiffComparator(RawTextComparator.WS_IGNORE_TRAILING);
- }
-
- @Option(name = "--ignore-leading-space")
- void ignoreLeadingSpace(@SuppressWarnings("unused") boolean on) {
- diffFmt.setDiffComparator(RawTextComparator.WS_IGNORE_LEADING);
- }
-
- @Option(name = "-b", aliases = { "--ignore-space-change" })
- void ignoreSpaceChange(@SuppressWarnings("unused") boolean on) {
- diffFmt.setDiffComparator(RawTextComparator.WS_IGNORE_CHANGE);
- }
-
- @Option(name = "-w", aliases = { "--ignore-all-space" })
- void ignoreAllSpace(@SuppressWarnings("unused") boolean on) {
- diffFmt.setDiffComparator(RawTextComparator.WS_IGNORE_ALL);
- }
-
- @Option(name = "-U", aliases = { "--unified" }, metaVar = "metaVar_linesOfContext")
- void unified(int lines) {
- diffFmt.setContext(lines);
- }
-
- @Option(name = "--abbrev", metaVar = "metaVar_n")
- void abbrev(int lines) {
- diffFmt.setAbbreviationLength(lines);
- }
-
- @Option(name = "--full-index")
- void abbrev(@SuppressWarnings("unused") boolean on) {
- diffFmt.setAbbreviationLength(Constants.OBJECT_ID_STRING_LENGTH);
- }
-
- @Option(name = "--src-prefix", usage = "usage_srcPrefix")
- void sourcePrefix(String path) {
- diffFmt.setOldPrefix(path);
- }
-
- @Option(name = "--dst-prefix", usage = "usage_dstPrefix")
- void dstPrefix(String path) {
- diffFmt.setNewPrefix(path);
- }
-
- @Option(name = "--no-prefix", usage = "usage_noPrefix")
- void noPrefix(@SuppressWarnings("unused") boolean on) {
- diffFmt.setOldPrefix(""); //$NON-NLS-1$
- diffFmt.setNewPrefix(""); //$NON-NLS-1$
- }
-
- // END -- Options shared with Diff
-
- Show() {
- fmt = new SimpleDateFormat("EEE MMM dd HH:mm:ss yyyy ZZZZZ", Locale.US); //$NON-NLS-1$
- }
-
- /** {@inheritDoc} */
- @Override
- protected void init(final Repository repository, final String gitDir) {
- super.init(repository, gitDir);
- diffFmt = new DiffFormatter(new BufferedOutputStream(outs));
- }
-
- /** {@inheritDoc} */
- @SuppressWarnings("boxing")
- @Override
- protected void run() throws Exception {
- diffFmt.setRepository(db);
- try {
- diffFmt.setPathFilter(pathFilter);
- if (detectRenames != null)
- diffFmt.setDetectRenames(detectRenames.booleanValue());
- if (renameLimit != null && diffFmt.isDetectRenames()) {
- RenameDetector rd = diffFmt.getRenameDetector();
- rd.setRenameLimit(renameLimit.intValue());
- }
-
- ObjectId objectId;
- if (objectName == null)
- objectId = db.resolve(Constants.HEAD);
- else
- objectId = db.resolve(objectName);
-
- try (RevWalk rw = new RevWalk(db)) {
- RevObject obj = rw.parseAny(objectId);
- while (obj instanceof RevTag) {
- show((RevTag) obj);
- obj = ((RevTag) obj).getObject();
- rw.parseBody(obj);
- }
-
- switch (obj.getType()) {
- case Constants.OBJ_COMMIT:
- show(rw, (RevCommit) obj);
- break;
-
- case Constants.OBJ_TREE:
- outw.print("tree "); //$NON-NLS-1$
- outw.print(objectName);
- outw.println();
- outw.println();
- show((RevTree) obj);
- break;
-
- case Constants.OBJ_BLOB:
- db.open(obj, obj.getType()).copyTo(System.out);
- outw.flush();
- break;
-
- default:
- throw die(MessageFormat.format(
- CLIText.get().cannotReadBecause, obj.name(),
- obj.getType()));
- }
- }
- } finally {
- diffFmt.close();
- }
- }
-
- private void show(RevTag tag) throws IOException {
- outw.print(CLIText.get().tagLabel);
- outw.print(" "); //$NON-NLS-1$
- outw.print(tag.getTagName());
- outw.println();
-
- final PersonIdent tagger = tag.getTaggerIdent();
- if (tagger != null) {
- outw.println(MessageFormat.format(CLIText.get().taggerInfo,
- tagger.getName(), tagger.getEmailAddress()));
-
- final TimeZone taggerTZ = tagger.getTimeZone();
- fmt.setTimeZone(taggerTZ != null ? taggerTZ : myTZ);
- outw.println(MessageFormat.format(CLIText.get().dateInfo,
- fmt.format(tagger.getWhen())));
- }
-
- outw.println();
- final String[] lines = tag.getFullMessage().split("\n"); //$NON-NLS-1$
- for (final String s : lines) {
- outw.print(" "); //$NON-NLS-1$
- outw.print(s);
- outw.println();
- }
-
- outw.println();
- }
-
- private void show(RevTree obj) throws MissingObjectException,
- IncorrectObjectTypeException, CorruptObjectException, IOException {
- try (final TreeWalk walk = new TreeWalk(db)) {
- walk.reset();
- walk.addTree(obj);
-
- while (walk.next()) {
- outw.print(walk.getPathString());
- final FileMode mode = walk.getFileMode(0);
- if (mode == FileMode.TREE)
- outw.print("/"); //$NON-NLS-1$
- outw.println();
- }
- }
- }
-
- private void show(RevWalk rw, final RevCommit c) throws Exception {
- char[] outbuffer = new char[Constants.OBJECT_ID_LENGTH * 2];
-
- outw.print(CLIText.get().commitLabel);
- outw.print(" "); //$NON-NLS-1$
- c.getId().copyTo(outbuffer, outw);
- outw.println();
-
- final PersonIdent author = c.getAuthorIdent();
- outw.println(MessageFormat.format(CLIText.get().authorInfo,
- author.getName(), author.getEmailAddress()));
-
- final TimeZone authorTZ = author.getTimeZone();
- fmt.setTimeZone(authorTZ != null ? authorTZ : myTZ);
- outw.println(MessageFormat.format(CLIText.get().dateInfo,
- fmt.format(author.getWhen())));
-
- outw.println();
- final String[] lines = c.getFullMessage().split("\n"); //$NON-NLS-1$
- for (final String s : lines) {
- outw.print(" "); //$NON-NLS-1$
- outw.print(s);
- outw.println();
- }
-
- outw.println();
- if (c.getParentCount() == 1) {
- rw.parseHeaders(c.getParent(0));
- showDiff(c);
- }
- outw.flush();
- }
-
- private void showDiff(RevCommit c) throws IOException {
- final RevTree a = c.getParent(0).getTree();
- final RevTree b = c.getTree();
-
- if (showNameAndStatusOnly)
- Diff.nameStatus(outw, diffFmt.scan(a, b));
- else {
- outw.flush();
- diffFmt.format(a, b);
- diffFmt.flush();
- }
- outw.println();
- }
- }
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