Examples of org.eclipse.jgit.dircache.DirCache

org.eclipse.jgit.dircache.DirCache
Support for the Git dircache (aka index file).
The index file keeps track of which objects are currently checked out in the working directory, and the last modified time of those working files. Changes in the working directory can be detected by comparing the modification times to the cached modification time within the index file.
Index files are also used during merges, where the merge happens within the index file first, and the working directory is updated as a post-merge step. Conflicts are stored in the index file to allow tool (and human) based resolutions to be easily performed.

    assertEquals(RepositoryState.MERGING, db.getRepositoryState());
    assertStageOneToThree(FILE1);
  }


  private void assertStageOneToThree(String name) throws Exception {
    DirCache cache = DirCache.read(db.getIndexFile(), db.getFS());
    int i = cache.findEntry(name);
    DirCacheEntry stage1 = cache.getEntry(i);
    DirCacheEntry stage2 = cache.getEntry(i + 1);
    DirCacheEntry stage3 = cache.getEntry(i + 2);


    assertEquals(DirCacheEntry.STAGE_1, stage1.getStage());
    assertEquals(DirCacheEntry.STAGE_2, stage2.getStage());
    assertEquals(DirCacheEntry.STAGE_3, stage3.getStage());
  }

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    db = createWorkRepository();
  }


  @Test
  public void testEmpty() throws IOException {
    DirCache dc1 = DirCache.newInCore();
    DirCache dc2 = DirCache.newInCore();
    TreeWalk tw = new TreeWalk(db);
    tw.addTree(new DirCacheIterator(dc1));
    tw.addTree(new DirCacheIterator(dc2));
    assertFalse(tw.next());
  }

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    return db.newObjectInserter().idFor(Constants.OBJ_BLOB, bytes);
  }


  @Test
  public void testOneOnly() throws IOException {
    DirCache dc1 = DirCache.newInCore();
    DirCache dc2 = DirCache.newInCore();
    DirCacheEditor editor = dc1.editor();
    editor.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, false));
    editor.finish();


    TreeWalk tw = new TreeWalk(db);

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    assertFalse(tw.next());
  }


  @Test
  public void testTwoSame() throws IOException {
    DirCache dc1 = DirCache.newInCore();
    DirCache dc2 = DirCache.newInCore();
    DirCacheEditor ed1 = dc1.editor();
    ed1.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, false));
    ed1.finish();
    DirCacheEditor ed2 = dc2.editor();
    ed2.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, false));
    ed2.finish();


    TreeWalk tw = new TreeWalk(db);
    tw.setRecursive(true);

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    assertFalse(tw.next());
  }


  @Test
  public void testTwoSameDifferByAssumeValid() throws IOException {
    DirCache dc1 = DirCache.newInCore();
    DirCache dc2 = DirCache.newInCore();
    DirCacheEditor ed1 = dc1.editor();
    ed1.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, false));
    ed1.finish();
    DirCacheEditor ed2 = dc2.editor();
    ed2.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, true));
    ed2.finish();


    TreeWalk tw = new TreeWalk(db);
    tw.setRecursive(true);

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  }


  @Test
  public void testTwoSameSameAssumeValidDifferentContent()
      throws IOException {
    DirCache dc1 = DirCache.newInCore();
    DirCache dc2 = DirCache.newInCore();
    DirCacheEditor ed1 = dc1.editor();
    ed1.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("a"), 1, true));
    ed1.finish();
    DirCacheEditor ed2 = dc2.editor();
    ed2.add(new AddEdit("a/a", FileMode.REGULAR_FILE, id("b"), 1, true));
    ed2.finish();


    TreeWalk tw = new TreeWalk(db);
    tw.setRecursive(true);

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      // good
    }
  }


  TreeWalk fakeWalk(final String path) throws IOException {
    DirCache dc = DirCache.newInCore();
    DirCacheEditor dce = dc.editor();
    dce.add(new DirCacheEditor.PathEdit(path) {


      public void apply(DirCacheEntry ent) {
        ent.setFileMode(FileMode.REGULAR_FILE);
      }

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    RevCommit commit2 = git.commit().setMessage("commit2").call();
    assertNotNull(commit2);


    assertNotNull(git.checkout().setName(Constants.MASTER).call());


    DirCache cache = db.lockDirCache();
    cache.getEntry("test.txt").setFileMode(FileMode.EXECUTABLE_FILE);
    cache.write();
    assertTrue(cache.commit());
    cache.unlock();


    assertNotNull(git.commit().setMessage("commit3").call());


    db.getFS().setExecute(file, false);
    git.getRepository()

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   * @throws IllegalStateException
   * @throws IOException
   */
  public String indexState(Repository repo, int includedOptions)
      throws IllegalStateException, IOException {
    DirCache dc = repo.readDirCache();
    StringBuilder sb = new StringBuilder();
    TreeSet<Long> timeStamps = null;


    // iterate once over the dircache just to collect all time stamps
    if (0 != (includedOptions & MOD_TIME)) {
      timeStamps = new TreeSet<Long>();
      for (int i=0; i<dc.getEntryCount(); ++i)
        timeStamps.add(Long.valueOf(dc.getEntry(i).getLastModified()));
    }


    // iterate again, now produce the result string
    for (int i=0; i<dc.getEntryCount(); ++i) {
      DirCacheEntry entry = dc.getEntry(i);
      sb.append("["+entry.getPathString()+", mode:" + entry.getFileMode());
      int stage = entry.getStage();
      if (stage != 0)
        sb.append(", stage:" + stage);
      if (0 != (includedOptions & MOD_TIME)) {

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        clp.getRepository().getConfig().get(WorkingTreeOptions.KEY)));
      return 1;
    }


    if (new File(name).isFile()) {
      final DirCache dirc;
      try {
        dirc = DirCache.read(new File(name), FS.DETECTED);
      } catch (IOException e) {
        throw new CmdLineException(MessageFormat.format(CLIText.get().notAnIndexFile, name), e);
      }

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