コード例 #1
0
 @Test
 public void testFindOnEmpty() throws Exception {
   final DirCache dc = DirCache.newInCore();
   final byte[] path = Constants.encode("a");
   assertEquals(-1, dc.findEntry(path, path.length));
 }
コード例 #2
0
ファイル: Blame.java プロジェクト: dgreensp/jgit
  @Override
  protected void run() throws Exception {
    if (file == null) {
      if (revision == null) throw die(CLIText.get().fileIsRequired);
      file = revision;
      revision = null;
    }

    boolean autoAbbrev = abbrev == 0;
    if (abbrev == 0)
      abbrev = db.getConfig().getInt("core", "abbrev", 7); // $NON-NLS-1$ //$NON-NLS-2$
    if (!showBlankBoundary)
      root =
          db.getConfig().getBoolean("blame", "blankboundary", false); // $NON-NLS-1$ //$NON-NLS-2$
    if (!root)
      root = db.getConfig().getBoolean("blame", "showroot", false); // $NON-NLS-1$ //$NON-NLS-2$

    if (showRawTimestamp) dateFmt = new SimpleDateFormat("ZZZZ"); // $NON-NLS-1$
    else dateFmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss ZZZZ"); // $NON-NLS-1$

    reader = db.newObjectReader();
    try (BlameGenerator generator = new BlameGenerator(db, file)) {
      RevFlag scanned = generator.newFlag("SCANNED"); // $NON-NLS-1$
      generator.setTextComparator(comparator);

      if (!reverseRange.isEmpty()) {
        RevCommit rangeStart = null;
        List<RevCommit> rangeEnd = new ArrayList<RevCommit>(2);
        for (RevCommit c : reverseRange) {
          if (c.has(RevFlag.UNINTERESTING)) rangeStart = c;
          else rangeEnd.add(c);
        }
        generator.reverse(rangeStart, rangeEnd);
      } else if (revision != null) {
        generator.push(null, db.resolve(revision + "^{commit}")); // $NON-NLS-1$
      } else {
        generator.push(null, db.resolve(Constants.HEAD));
        if (!db.isBare()) {
          DirCache dc = db.readDirCache();
          int entry = dc.findEntry(file);
          if (0 <= entry) generator.push(null, dc.getEntry(entry).getObjectId());

          File inTree = new File(db.getWorkTree(), file);
          if (db.getFS().isFile(inTree)) generator.push(null, new RawText(inTree));
        }
      }

      blame = BlameResult.create(generator);
      begin = 0;
      end = blame.getResultContents().size();
      if (rangeString != null) parseLineRangeOption();
      blame.computeRange(begin, end);

      int authorWidth = 8;
      int dateWidth = 8;
      int pathWidth = 1;
      int maxSourceLine = 1;
      for (int line = begin; line < end; line++) {
        RevCommit c = blame.getSourceCommit(line);
        if (c != null && !c.has(scanned)) {
          c.add(scanned);
          if (autoAbbrev) abbrev = Math.max(abbrev, uniqueAbbrevLen(c));
          authorWidth = Math.max(authorWidth, author(line).length());
          dateWidth = Math.max(dateWidth, date(line).length());
          pathWidth = Math.max(pathWidth, path(line).length());
        }
        while (line + 1 < end && blame.getSourceCommit(line + 1) == c) line++;
        maxSourceLine = Math.max(maxSourceLine, blame.getSourceLine(line));
      }

      String pathFmt = MessageFormat.format(" %{0}s", valueOf(pathWidth)); // $NON-NLS-1$
      String numFmt =
          MessageFormat.format(
              " %{0}d", //$NON-NLS-1$
              valueOf(1 + (int) Math.log10(maxSourceLine + 1)));
      String lineFmt =
          MessageFormat.format(
              " %{0}d) ", //$NON-NLS-1$
              valueOf(1 + (int) Math.log10(end + 1)));
      String authorFmt =
          MessageFormat.format(
              " (%-{0}s %{1}s", //$NON-NLS-1$
              valueOf(authorWidth), valueOf(dateWidth));

      for (int line = begin; line < end; ) {
        RevCommit c = blame.getSourceCommit(line);
        String commit = abbreviate(c);
        String author = null;
        String date = null;
        if (!noAuthor) {
          author = author(line);
          date = date(line);
        }
        do {
          outw.print(commit);
          if (showSourcePath) outw.format(pathFmt, path(line));
          if (showSourceLine) outw.format(numFmt, valueOf(blame.getSourceLine(line) + 1));
          if (!noAuthor) outw.format(authorFmt, author, date);
          outw.format(lineFmt, valueOf(line + 1));
          outw.flush();
          blame.getResultContents().writeLine(outs, line);
          outs.flush();
          outw.print('\n');
        } while (++line < end && blame.getSourceCommit(line) == c);
      }
    } finally {
      reader.close();
    }
  }