--- /dev/null
+/*
+ * 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.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 final DiffFormatter diffFmt = new DiffFormatter( //
+ new BufferedOutputStream(System.out));
+
+ @Argument(index = 0, metaVar = "metaVar_object")
+ private String objectName;
+
+ @Option(name = "--", metaVar = "metaVar_path", multiValued = true, 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("");
+ diffFmt.setNewPrefix("");
+ }
+
+ // END -- Options shared with Diff
+
+ Show() {
+ fmt = new SimpleDateFormat("EEE MMM dd HH:mm:ss yyyy ZZZZZ", Locale.US);
+ }
+
+ @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);
+
+ RevWalk rw = new RevWalk(db);
+ try {
+ 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:
+ out.print("tree ");
+ out.print(objectName);
+ out.println();
+ out.println();
+ show((RevTree) obj);
+ break;
+
+ case Constants.OBJ_BLOB:
+ db.open(obj, obj.getType()).copyTo(System.out);
+ System.out.flush();
+ break;
+
+ default:
+ throw die(MessageFormat.format(
+ CLIText.get().cannotReadBecause, obj.name(),
+ obj.getType()));
+ }
+ } finally {
+ rw.release();
+ }
+ } finally {
+ diffFmt.release();
+ }
+ }
+
+ private void show(RevTag tag) {
+ out.print(CLIText.get().tagLabel);
+ out.print(" ");
+ out.print(tag.getTagName());
+ out.println();
+
+ final PersonIdent tagger = tag.getTaggerIdent();
+ if (tagger != null) {
+ out.println(MessageFormat.format(CLIText.get().taggerInfo,
+ tagger.getName(), tagger.getEmailAddress()));
+
+ final TimeZone taggerTZ = tagger.getTimeZone();
+ fmt.setTimeZone(taggerTZ != null ? taggerTZ : myTZ);
+ out.println(MessageFormat.format(CLIText.get().dateInfo,
+ fmt.format(tagger.getWhen())));
+ }
+
+ out.println();
+ final String[] lines = tag.getFullMessage().split("\n");
+ for (final String s : lines) {
+ out.print(" ");
+ out.print(s);
+ out.println();
+ }
+
+ out.println();
+ }
+
+ private void show(RevTree obj) throws MissingObjectException,
+ IncorrectObjectTypeException, CorruptObjectException, IOException {
+ final TreeWalk walk = new TreeWalk(db);
+ walk.reset();
+ walk.addTree(obj);
+
+ while (walk.next()) {
+ out.print(walk.getPathString());
+ final FileMode mode = walk.getFileMode(0);
+ if (mode == FileMode.TREE)
+ out.print('/');
+ out.println();
+ }
+ }
+
+ private void show(RevWalk rw, final RevCommit c) throws Exception {
+ char[] outbuffer = new char[Constants.OBJECT_ID_LENGTH * 2];
+
+ out.print(CLIText.get().commitLabel);
+ out.print(" ");
+ c.getId().copyTo(outbuffer, out);
+ out.println();
+
+ final PersonIdent author = c.getAuthorIdent();
+ out.println(MessageFormat.format(CLIText.get().authorInfo,
+ author.getName(), author.getEmailAddress()));
+
+ final TimeZone authorTZ = author.getTimeZone();
+ fmt.setTimeZone(authorTZ != null ? authorTZ : myTZ);
+ out.println(MessageFormat.format(CLIText.get().dateInfo,
+ fmt.format(author.getWhen())));
+
+ out.println();
+ final String[] lines = c.getFullMessage().split("\n");
+ for (final String s : lines) {
+ out.print(" ");
+ out.print(s);
+ out.println();
+ }
+
+ out.println();
+ if (c.getParentCount() == 1) {
+ rw.parseHeaders(c.getParent(0));
+ showDiff(c);
+ }
+ out.flush();
+ }
+
+ private void showDiff(RevCommit c) throws IOException {
+ final RevTree a = c.getParent(0).getTree();
+ final RevTree b = c.getTree();
+
+ if (showNameAndStatusOnly)
+ Diff.nameStatus(out, diffFmt.scan(a, b));
+ else {
+ out.flush();
+ diffFmt.format(a, b);
+ diffFmt.flush();
+ }
+ out.println();
+ }
+}
projects / jgit.git / commitdiff