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Add status command to GIT api 

Allow users of the GIT api to get to know the state of their
workingtree and index by adding a status command. The implementation
is mainly a wrapper around IndexDiff class. Better support for multiple
stages in the index (conflict situations) is still missing. An
appropriate change to IndexDiff and StatusCommand will come in a
subsequent commit.

Bug: 337296
Change-Id: Idb390375a68611853c1c903299ec678c89b081dc
Signed-off-by: Christian Halstrick <christian.halstrick@sap.com>
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>
stable-0.12
Christian Halstrick 14 years ago committed by Chris Aniszczyk
parent
ccd3d83719
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c160293d71
4 changed files with 372 additions and 0 deletions
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  1. 134
      org.eclipse.jgit.test/tst/org/eclipse/jgit/api/StatusCommandTest.java
  2. 13
      org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
  3. 122
      org.eclipse.jgit/src/org/eclipse/jgit/api/Status.java
  4. 103
      org.eclipse.jgit/src/org/eclipse/jgit/api/StatusCommand.java

134
org.eclipse.jgit.test/tst/org/eclipse/jgit/api/StatusCommandTest.java
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@ -0,0 +1,134 @@
/*
* Copyright (C) 2011, Christian Halstrick <christian.halstrick@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.assertEquals;
import static org.junit.Assert.assertFalse;
import java.io.File;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.api.errors.NoFilepatternException;
import org.eclipse.jgit.lib.RepositoryTestCase;
import org.junit.Test;
public class StatusCommandTest extends RepositoryTestCase {
@Test
public void testEmptyStatus() throws IOException {
Git git = new Git(db);
Status stat = git.status().call();
assertEquals(0, stat.getAdded().size());
assertEquals(0, stat.getChanged().size());
assertEquals(0, stat.getMissing().size());
assertEquals(0, stat.getModified().size());
assertEquals(0, stat.getRemoved().size());
assertEquals(0, stat.getUntracked().size());
}
@Test
public void testDifferentStates() throws IOException,
NoFilepatternException, GitAPIException {
Git git = new Git(db);
writeTrashFile("a", "content of a");
writeTrashFile("b", "content of b");
writeTrashFile("c", "content of c");
git.add().addFilepattern("a").addFilepattern("b").call();
Status stat = git.status().call();
assertEquals(set("a", "b"), stat.getAdded());
assertEquals(0, stat.getChanged().size());
assertEquals(0, stat.getMissing().size());
assertEquals(0, stat.getModified().size());
assertEquals(0, stat.getRemoved().size());
assertEquals(set("c"), stat.getUntracked());
git.commit().setMessage("initial").call();
writeTrashFile("a", "modified content of a");
writeTrashFile("b", "modified content of b");
writeTrashFile("d", "content of d");
git.add().addFilepattern("a").addFilepattern("d").call();
writeTrashFile("a", "again modified content of a");
stat = git.status().call();
assertEquals(set("d"), stat.getAdded());
assertEquals(set("a"), stat.getChanged());
assertEquals(0, stat.getMissing().size());
assertEquals(set("b", "a"), stat.getModified());
assertEquals(0, stat.getRemoved().size());
assertEquals(set("c"), stat.getUntracked());
git.add().addFilepattern(".").call();
git.commit().setMessage("second").call();
stat = git.status().call();
assertEquals(0, stat.getAdded().size());
assertEquals(0, stat.getChanged().size());
assertEquals(0, stat.getMissing().size());
assertEquals(0, stat.getModified().size());
assertEquals(0, stat.getRemoved().size());
assertEquals(0, stat.getUntracked().size());
deleteTrashFile("a");
assertFalse(new File(git.getRepository().getWorkTree(), "a").exists());
git.add().addFilepattern("a").setUpdate(true).call();
writeTrashFile("a", "recreated content of a");
stat = git.status().call();
assertEquals(0, stat.getAdded().size());
assertEquals(0, stat.getChanged().size());
assertEquals(0, stat.getMissing().size());
assertEquals(0, stat.getModified().size());
assertEquals(set("a"), stat.getRemoved());
assertEquals(set("a"), stat.getUntracked());
git.commit().setMessage("t").call();
}
public static Set<String> set(String... elements) {
Set<String> ret = new HashSet<String>();
for (String element : elements)
ret.add(element);
return ret;
}
}

13
org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
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@ -334,6 +334,19 @@ public class Git {
return new ResetCommand(repo);
}
/**
* Returns a command object to execute a {@code status} command
*
* @see <a
* href="http://www.kernel.org/pub/software/scm/git/docs/git-status.html"
* >Git documentation about status</a>
* @return a {@link StatusCommand} used to collect all optional parameters
* and to finally execute the {@code status} command
*/
public StatusCommand status() {
return new StatusCommand(repo);
}
/**
* @return the git repository this class is interacting with
*/

122
org.eclipse.jgit/src/org/eclipse/jgit/api/Status.java
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/*
* Copyright (C) 2011, Christian Halstrick <christian.halstrick@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.util.Collections;
import java.util.Set;
import org.eclipse.jgit.lib.IndexDiff;
/**
* A class telling where the working-tree, the index and the current HEAD differ
* from each other. Collections are exposed containing the paths of the modified
* files. E.g. to find out which files are dirty in the working tree (modified
* but not added) you would inspect the collection returned by
* {@link #getModified()}.
* <p>
* The same path can be returned by multiple getters. E.g. if a modification has
* been added to the index and afterwards the corresponding working tree file is
* again modified this path will be returned by {@link #getModified()} and
* {@link #getChanged()}
*/
public class Status {
private IndexDiff diff;
/**
* @param diff
*/
public Status(IndexDiff diff) {
super();
this.diff = diff;
}
/**
* @return list of files added to the index, not in HEAD (e.g. what you get
* if you call 'git add ...' on a newly created file)
*/
public Set<String> getAdded() {
return Collections.unmodifiableSet(diff.getAdded());
}
/**
* @return list of files changed from HEAD to index (e.g. what you get if
* you modify an existing file and call 'git add ...' on it)
*/
public Set<String> getChanged() {
return Collections.unmodifiableSet(diff.getChanged());
}
/**
* @return list of files removed from index, but in HEAD (e.g. what you get
* if you call 'git rm ...' on a existing file)
*/
public Set<String> getRemoved() {
return Collections.unmodifiableSet(diff.getRemoved());
}
/**
* @return list of files in index, but not filesystem (e.g. what you get if
* you call 'rm ...' on a existing file)
*/
public Set<String> getMissing() {
return Collections.unmodifiableSet(diff.getMissing());
}
/**
* @return list of files modified on disk relative to the index (e.g. what
* you get if you modify an existing file without adding it to the
* index)
*/
public Set<String> getModified() {
return Collections.unmodifiableSet(diff.getModified());
}
/**
* @return list of files that are not ignored, and not in the index. (e.g.
* what you get if you create a new file without adding it to the
* index)
*/
public Set<String> getUntracked() {
return Collections.unmodifiableSet(diff.getUntracked());
}
}

103
org.eclipse.jgit/src/org/eclipse/jgit/api/StatusCommand.java
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@ -0,0 +1,103 @@
/*
* Copyright (C) 2011, Christian Halstrick <christian.halstrick@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 org.eclipse.jgit.errors.NoWorkTreeException;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.IndexDiff;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.treewalk.FileTreeIterator;
import org.eclipse.jgit.treewalk.WorkingTreeIterator;
/**
* A class used to execute a {@code Status} 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-status.html"
* >Git documentation about Status</a>
*/
public class StatusCommand extends GitCommand<Status> {
private WorkingTreeIterator workingTreeIt;
/**
* @param repo
*/
protected StatusCommand(Repository repo) {
super(repo);
// TODO Auto-generated constructor stub
}
/**
* Executes the {@code Status} 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. Don't call
* this method twice on an instance.
*
* @return a {@link Status} object telling about each path where working
* tree, index or HEAD differ from each other.
*/
public Status call() throws IOException, NoWorkTreeException {
if (workingTreeIt == null)
workingTreeIt = new FileTreeIterator(repo);
IndexDiff diff = new IndexDiff(repo, Constants.HEAD, workingTreeIt);
diff.diff();
return new Status(diff);
}
/**
* To set the {@link WorkingTreeIterator} which should be used. If this
* method is not called a standard {@link FileTreeIterator} is used.
*
* @param workingTreeIt
*/
public void setWorkingTreeIt(WorkingTreeIterator workingTreeIt) {
this.workingTreeIt = workingTreeIt;
}
}
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