James Moger
2015-03-07 62ff847f820fc69c308aeff4b317963cd4eadce0
Merged #233 "Ignore whitespace in diff viewer"
11 files modified
181 ■■■■ changed files
src/main/java/com/gitblit/utils/DiffUtils.java 78 ●●●● patch | view | raw | blame | history
src/main/java/com/gitblit/utils/GitBlitDiffFormatter.java 8 ●●●●● patch | view | raw | blame | history
src/main/java/com/gitblit/wicket/GitBlitWebApp.properties 4 ●●● patch | view | raw | blame | history
src/main/java/com/gitblit/wicket/WicketUtils.java 33 ●●●●● patch | view | raw | blame | history
src/main/java/com/gitblit/wicket/pages/BlobDiffPage.html 2 ●●● patch | view | raw | blame | history
src/main/java/com/gitblit/wicket/pages/BlobDiffPage.java 9 ●●●● patch | view | raw | blame | history
src/main/java/com/gitblit/wicket/pages/CommitDiffPage.html 2 ●●● patch | view | raw | blame | history
src/main/java/com/gitblit/wicket/pages/CommitDiffPage.java 12 ●●●●● patch | view | raw | blame | history
src/main/java/com/gitblit/wicket/pages/ComparePage.html 2 ●●●●● patch | view | raw | blame | history
src/main/java/com/gitblit/wicket/pages/ComparePage.java 24 ●●●●● patch | view | raw | blame | history
src/test/java/com/gitblit/tests/DiffUtilsTest.java 7 ●●●●● patch | view | raw | blame | history
src/main/java/com/gitblit/utils/DiffUtils.java
@@ -89,6 +89,40 @@
    }
    /**
     * Enumeration for the diff comparator types.
     */
    public static enum DiffComparator {
        SHOW_WHITESPACE(RawTextComparator.DEFAULT),
        IGNORE_WHITESPACE(RawTextComparator.WS_IGNORE_ALL),
        IGNORE_LEADING(RawTextComparator.WS_IGNORE_LEADING),
        IGNORE_TRAILING(RawTextComparator.WS_IGNORE_TRAILING),
        IGNORE_CHANGES(RawTextComparator.WS_IGNORE_CHANGE);
        public final RawTextComparator textComparator;
        DiffComparator(RawTextComparator textComparator) {
            this.textComparator = textComparator;
        }
        public DiffComparator getOpposite() {
            return this == SHOW_WHITESPACE ? IGNORE_WHITESPACE : SHOW_WHITESPACE;
        }
        public String getTranslationKey() {
            return "gb." + name().toLowerCase();
        }
        public static DiffComparator forName(String name) {
            for (DiffComparator type : values()) {
                if (type.name().equalsIgnoreCase(name)) {
                    return type;
                }
            }
            return null;
        }
    }
    /**
     * Encapsulates the output of a diff.
     */
    public static class DiffOutput implements Serializable {
@@ -193,12 +227,13 @@
     *
     * @param repository
     * @param commit
     * @param comparator
     * @param outputType
     * @return the diff
     */
    public static DiffOutput getCommitDiff(Repository repository, RevCommit commit,
            DiffOutputType outputType) {
        return getDiff(repository, null, commit, null, outputType);
            DiffComparator comparator, DiffOutputType outputType) {
        return getDiff(repository, null, commit, null, comparator, outputType);
    }
    /**
@@ -206,6 +241,7 @@
     *
     * @param repository
     * @param commit
     * @param comparator
     * @param outputType
     * @param handler
     *            to use for rendering binary diffs if {@code outputType} is {@link DiffOutputType#HTML HTML}.
@@ -213,8 +249,8 @@
     * @return the diff
     */
    public static DiffOutput getCommitDiff(Repository repository, RevCommit commit,
            DiffOutputType outputType, BinaryDiffHandler handler) {
        return getDiff(repository, null, commit, null, outputType, handler);
            DiffComparator comparator, DiffOutputType outputType, BinaryDiffHandler handler) {
        return getDiff(repository, null, commit, null, comparator, outputType, handler);
    }
@@ -225,12 +261,13 @@
     * @param repository
     * @param commit
     * @param path
     * @param comparator
     * @param outputType
     * @return the diff
     */
    public static DiffOutput getDiff(Repository repository, RevCommit commit, String path,
            DiffOutputType outputType) {
        return getDiff(repository, null, commit, path, outputType);
            DiffComparator comparator, DiffOutputType outputType) {
        return getDiff(repository, null, commit, path, comparator, outputType);
    }
    /**
@@ -240,6 +277,7 @@
     * @param repository
     * @param commit
     * @param path
     * @param comparator
     * @param outputType
     * @param handler
     *            to use for rendering binary diffs if {@code outputType} is {@link DiffOutputType#HTML HTML}.
@@ -247,8 +285,8 @@
     * @return the diff
     */
    public static DiffOutput getDiff(Repository repository, RevCommit commit, String path,
            DiffOutputType outputType, BinaryDiffHandler handler) {
        return getDiff(repository, null, commit, path, outputType, handler);
            DiffComparator comparator, DiffOutputType outputType, BinaryDiffHandler handler) {
        return getDiff(repository, null, commit, path, comparator, outputType, handler);
    }
    /**
@@ -257,12 +295,13 @@
     * @param repository
     * @param baseCommit
     * @param commit
     * @param comparator
     * @param outputType
     * @return the diff
     */
    public static DiffOutput getDiff(Repository repository, RevCommit baseCommit, RevCommit commit,
            DiffOutputType outputType) {
        return getDiff(repository, baseCommit, commit, null, outputType);
            DiffComparator comparator, DiffOutputType outputType) {
        return getDiff(repository, baseCommit, commit, null, comparator, outputType);
    }
    /**
@@ -271,6 +310,7 @@
     * @param repository
     * @param baseCommit
     * @param commit
     * @param comparator
     * @param outputType
     * @param handler
     *            to use for rendering binary diffs if {@code outputType} is {@link DiffOutputType#HTML HTML}.
@@ -278,8 +318,8 @@
     * @return the diff
     */
    public static DiffOutput getDiff(Repository repository, RevCommit baseCommit, RevCommit commit,
            DiffOutputType outputType, BinaryDiffHandler handler) {
        return getDiff(repository, baseCommit, commit, null, outputType, handler);
            DiffComparator comparator, DiffOutputType outputType, BinaryDiffHandler handler) {
        return getDiff(repository, baseCommit, commit, null, comparator, outputType, handler);
    }
    /**
@@ -294,11 +334,12 @@
     *            if the path is specified, the diff is restricted to that file
     *            or folder. if unspecified, the diff is for the entire commit.
     * @param outputType
     * @param diffComparator
     * @return the diff
     */
    public static DiffOutput getDiff(Repository repository, RevCommit baseCommit, RevCommit commit,
            String path, DiffOutputType outputType) {
        return getDiff(repository, baseCommit, commit, path, outputType, null);
            String path, DiffComparator diffComparator, DiffOutputType outputType) {
        return getDiff(repository, baseCommit, commit, path, diffComparator, outputType, null);
    }
    /**
@@ -312,19 +353,20 @@
     * @param path
     *            if the path is specified, the diff is restricted to that file
     *            or folder. if unspecified, the diff is for the entire commit.
     * @param comparator
     * @param outputType
     * @param handler
     *            to use for rendering binary diffs if {@code outputType} is {@link DiffOutputType#HTML HTML}.
     *            May be {@code null}, resulting in the default behavior.
     * @return the diff
     */
    public static DiffOutput getDiff(Repository repository, RevCommit baseCommit, RevCommit commit, String path, DiffOutputType outputType,
            final BinaryDiffHandler handler) {
    public static DiffOutput getDiff(Repository repository, RevCommit baseCommit, RevCommit commit, String path,
            DiffComparator comparator, DiffOutputType outputType, final BinaryDiffHandler handler) {
        DiffStat stat = null;
        String diff = null;
        try {
            ByteArrayOutputStream os = null;
            RawTextComparator cmp = RawTextComparator.DEFAULT;
            DiffFormatter df;
            switch (outputType) {
            case HTML:
@@ -337,7 +379,7 @@
                break;
            }
            df.setRepository(repository);
            df.setDiffComparator(cmp);
            df.setDiffComparator((comparator == null ? DiffComparator.SHOW_WHITESPACE : comparator).textComparator);
            df.setDetectRenames(true);
            RevTree commitTree = commit.getTree();
src/main/java/com/gitblit/utils/GitBlitDiffFormatter.java
@@ -74,6 +74,8 @@
     */
    private static final int GLOBAL_DIFF_LIMIT = 20000;
    private static final boolean CONVERT_TABS = true;
    private final DiffOutputStream os;
    private final DiffStat diffStat;
@@ -451,14 +453,14 @@
            // Highlight trailing whitespace on deleted/added lines.
            Matcher matcher = trailingWhitespace.matcher(line);
            if (matcher.find()) {
                StringBuilder result = new StringBuilder(StringUtils.escapeForHtml(line.substring(0, matcher.start()), false));
                StringBuilder result = new StringBuilder(StringUtils.escapeForHtml(line.substring(0, matcher.start()), CONVERT_TABS));
                result.append("<span class='trailingws-").append(prefix == '+' ? "add" : "sub").append("'>");
                result.append(StringUtils.escapeForHtml(matcher.group(1), false));
                result.append("</span>");
                return result.toString();
            }
        }
        return StringUtils.escapeForHtml(line, false);
        return StringUtils.escapeForHtml(line, CONVERT_TABS);
    }
    /**
@@ -490,7 +492,7 @@
                    } else {
                        sb.append("<th class='diff-state diff-state-sub'></th><td class=\"diff-cell remove2\">");
                    }
                    line = StringUtils.escapeForHtml(line.substring(1), false);
                    line = StringUtils.escapeForHtml(line.substring(1), CONVERT_TABS);
                }
                sb.append(line);
                if (gitLinkDiff) {
src/main/java/com/gitblit/wicket/GitBlitWebApp.properties
@@ -761,4 +761,6 @@
gb.blinkComparator = Blink comparator
gb.imgdiffSubtract = Subtract (black = identical)
gb.deleteRepositoryHeader = Delete Repository
gb.deleteRepositoryDescription = Deleted repositories will be unrecoverable.
gb.deleteRepositoryDescription = Deleted repositories will be unrecoverable.
gb.show_whitespace = show whitespace
gb.ignore_whitespace = ignore whitespace
src/main/java/com/gitblit/wicket/WicketUtils.java
@@ -48,6 +48,7 @@
import com.gitblit.Keys;
import com.gitblit.models.FederationModel;
import com.gitblit.models.Metric;
import com.gitblit.utils.DiffUtils.DiffComparator;
import com.gitblit.utils.HttpUtils;
import com.gitblit.utils.StringUtils;
import com.gitblit.utils.TimeUtils;
@@ -61,7 +62,7 @@
    public static void addCssClass(Component container, String value) {
        container.add(new AttributeAppender("class", new Model<String>(value), " "));
    }
    public static void setCssStyle(Component container, String value) {
        container.add(new SimpleAttributeModifier("style", value));
    }
@@ -330,6 +331,31 @@
        return new PageParameters(parameterMap);
    }
    public static PageParameters newDiffParameter(String repositoryName,
            String objectId, DiffComparator diffComparator) {
        Map<String, String> parameterMap = new HashMap<String, String>();
        if (StringUtils.isEmpty(objectId)) {
            return newRepositoryParameter(repositoryName);
        }
        parameterMap.put("r", repositoryName);
        parameterMap.put("h", objectId);
        parameterMap.put("w", "" + diffComparator.ordinal());
        return new PageParameters(parameterMap);
    }
    public static PageParameters newDiffParameter(String repositoryName,
            String objectId, DiffComparator diffComparator, String blobPath) {
        Map<String, String> parameterMap = new HashMap<String, String>();
        if (StringUtils.isEmpty(objectId)) {
            return newRepositoryParameter(repositoryName);
        }
        parameterMap.put("r", repositoryName);
        parameterMap.put("h", objectId);
        parameterMap.put("w", "" + diffComparator.ordinal());
        parameterMap.put("f", blobPath);
        return new PageParameters(parameterMap);
    }
    public static PageParameters newRangeParameter(String repositoryName,
            String startRange, String endRange) {
        Map<String, String> parameterMap = new HashMap<String, String>();
@@ -494,6 +520,11 @@
        return params.getString("st", null);
    }
    public static DiffComparator getDiffComparator(PageParameters params) {
        int ordinal = params.getInt("w", 0);
        return DiffComparator.values()[ordinal];
    }
    public static int getPage(PageParameters params) {
        // index from 1
        return params.getInt("pg", 1);
src/main/java/com/gitblit/wicket/pages/BlobDiffPage.html
@@ -9,7 +9,7 @@
    
    <!-- blob nav links -->    
    <div class="page_nav2">
        <a wicket:id="blameLink"><wicket:message key="gb.blame"></wicket:message></a> | <a wicket:id="historyLink"><wicket:message key="gb.history"></wicket:message></a> | <a wicket:id="patchLink"><wicket:message key="gb.patch"></wicket:message></a> | <a wicket:id="commitLink"><wicket:message key="gb.commit"></wicket:message></a> | <a wicket:id="commitDiffLink"><wicket:message key="gb.commitdiff"></wicket:message></a>
        <a wicket:id="blameLink"><wicket:message key="gb.blame"></wicket:message></a> | <a wicket:id="historyLink"><wicket:message key="gb.history"></wicket:message></a> | <a wicket:id="patchLink"><wicket:message key="gb.patch"></wicket:message></a> | <a wicket:id="commitLink"><wicket:message key="gb.commit"></wicket:message></a> | <a wicket:id="commitDiffLink"><wicket:message key="gb.commitdiff"></wicket:message></a> | <a wicket:id="whitespaceLink"></a>
    </div>    
    
    <!-- commit header -->
src/main/java/com/gitblit/wicket/pages/BlobDiffPage.java
@@ -25,6 +25,7 @@
import com.gitblit.Keys;
import com.gitblit.utils.DiffUtils;
import com.gitblit.utils.DiffUtils.DiffComparator;
import com.gitblit.utils.DiffUtils.DiffOutputType;
import com.gitblit.utils.JGitUtils;
import com.gitblit.utils.StringUtils;
@@ -32,6 +33,7 @@
import com.gitblit.wicket.CacheControl.LastModified;
import com.gitblit.wicket.WicketUtils;
import com.gitblit.wicket.panels.CommitHeaderPanel;
import com.gitblit.wicket.panels.LinkPanel;
import com.gitblit.wicket.panels.PathBreadcrumbsPanel;
@CacheControl(LastModified.BOOT)
@@ -42,6 +44,7 @@
        final String blobPath = WicketUtils.getPath(params);
        final String baseObjectId = WicketUtils.getBaseObjectId(params);
        final DiffComparator diffComparator = WicketUtils.getDiffComparator(params);
        Repository r = getRepository();
        RevCommit commit = getCommit();
@@ -54,7 +57,7 @@
            RevCommit parent = commit.getParentCount() == 0 ? null : commit.getParent(0);
            ImageDiffHandler handler = new ImageDiffHandler(this, repositoryName,
                    parent.getName(), commit.getName(), imageExtensions);
            diff = DiffUtils.getDiff(r, commit, blobPath, DiffOutputType.HTML, handler).content;
            diff = DiffUtils.getDiff(r, commit, blobPath, diffComparator, DiffOutputType.HTML, handler).content;
            if (handler.getImgDiffCount() > 0) {
                addBottomScript("scripts/imgdiff.js"); // Tiny support script for image diffs
            }
@@ -65,7 +68,7 @@
            RevCommit baseCommit = JGitUtils.getCommit(r, baseObjectId);
            ImageDiffHandler handler = new ImageDiffHandler(this, repositoryName,
                    baseCommit.getName(), commit.getName(), imageExtensions);
            diff = DiffUtils.getDiff(r, baseCommit, commit, blobPath, DiffOutputType.HTML, handler).content;
            diff = DiffUtils.getDiff(r, baseCommit, commit, blobPath, diffComparator, DiffOutputType.HTML, handler).content;
            if (handler.getImgDiffCount() > 0) {
                addBottomScript("scripts/imgdiff.js"); // Tiny support script for image diffs
            }
@@ -78,6 +81,8 @@
                WicketUtils.newObjectParameter(repositoryName, objectId)));
        add(new BookmarkablePageLink<Void>("commitDiffLink", CommitDiffPage.class,
                WicketUtils.newObjectParameter(repositoryName, objectId)));
        add(new LinkPanel("whitespaceLink", null, getString(diffComparator.getOpposite().getTranslationKey()),
                BlobDiffPage.class, WicketUtils.newDiffParameter(repositoryName, objectId, diffComparator.getOpposite(), blobPath)));
        // diff page links
        add(new BookmarkablePageLink<Void>("blameLink", BlamePage.class,
src/main/java/com/gitblit/wicket/pages/CommitDiffPage.html
@@ -9,7 +9,7 @@
    <!-- commitdiff nav links -->    
    <div class="page_nav2">
        <wicket:message key="gb.parent"></wicket:message>: <span wicket:id="parentLink">[parent link]</span> | <a wicket:id="patchLink"><wicket:message key="gb.patch"></wicket:message></a> | <a wicket:id="commitLink"><wicket:message key="gb.commit"></wicket:message></a>
        <wicket:message key="gb.parent"></wicket:message>: <span wicket:id="parentLink">[parent link]</span> | <a wicket:id="patchLink"><wicket:message key="gb.patch"></wicket:message></a> | <a wicket:id="commitLink"><wicket:message key="gb.commit"></wicket:message></a> | <a wicket:id="whitespaceLink"></a>
    </div>    
    
    <!-- commit header -->
src/main/java/com/gitblit/wicket/pages/CommitDiffPage.java
@@ -37,6 +37,7 @@
import com.gitblit.models.SubmoduleModel;
import com.gitblit.servlet.RawServlet;
import com.gitblit.utils.DiffUtils;
import com.gitblit.utils.DiffUtils.DiffComparator;
import com.gitblit.utils.DiffUtils.DiffOutput;
import com.gitblit.utils.DiffUtils.DiffOutputType;
import com.gitblit.utils.JGitUtils;
@@ -56,9 +57,9 @@
    public CommitDiffPage(PageParameters params) {
        super(params);
        Repository r = getRepository();
        RevCommit commit = getCommit();
        final Repository r = getRepository();
        final RevCommit commit = getCommit();
        final DiffComparator diffComparator = WicketUtils.getDiffComparator(params);
        List<String> parents = new ArrayList<String>();
        if (commit.getParentCount() > 0) {
@@ -78,13 +79,16 @@
                WicketUtils.newObjectParameter(repositoryName, objectId)));
        add(new BookmarkablePageLink<Void>("commitLink", CommitPage.class,
                WicketUtils.newObjectParameter(repositoryName, objectId)));
        add(new LinkPanel("whitespaceLink", null, getString(diffComparator.getOpposite().getTranslationKey()),
                CommitDiffPage.class, WicketUtils.newDiffParameter(repositoryName, objectId, diffComparator.getOpposite())));
        add(new CommitHeaderPanel("commitHeader", repositoryName, commit));
        final List<String> imageExtensions = app().settings().getStrings(Keys.web.imageExtensions);
        final ImageDiffHandler handler = new ImageDiffHandler(this, repositoryName,
                parents.isEmpty() ? null : parents.get(0), commit.getName(), imageExtensions);
        final DiffOutput diff = DiffUtils.getCommitDiff(r, commit, DiffOutputType.HTML, handler);
        final DiffOutput diff = DiffUtils.getCommitDiff(r, commit, diffComparator, DiffOutputType.HTML, handler);
        if (handler.getImgDiffCount() > 0) {
            addBottomScript("scripts/imgdiff.js"); // Tiny support script for image diffs
        }
src/main/java/com/gitblit/wicket/pages/ComparePage.html
@@ -18,6 +18,7 @@
                    <select wicket:id="fromRef" class="span3" />
                    <i class="icon-arrow-right"></i>
                    <select wicket:id="toRef" class="span3" />
                      <label style="padding:0px 5px;" class="checkbox"><input type="checkbox" wicket:id="ignoreWhitespaceCheckbox" /> <span wicket:id="ignoreWhitespaceLabel"></span></label>
                    <button class="btn" type="submit"><wicket:message key="gb.compare"></wicket:message></button>
                </form>
            </div>
@@ -26,6 +27,7 @@
                    <input wicket:id="fromId" type="text" class="span3" />
                    <i class="icon-arrow-right"></i>
                    <input wicket:id="toId" type="text" class="span3" />
                    <label style="padding:0px 5px;" class="checkbox"><input type="checkbox" wicket:id="ignoreWhitespaceCheckbox" /> <span wicket:id="ignoreWhitespaceLabel"></span></label>
                    <button class="btn" type="submit"><wicket:message key="gb.compare"></wicket:message></button>
                </form>
            </div>
src/main/java/com/gitblit/wicket/pages/ComparePage.java
@@ -21,6 +21,7 @@
import org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.CheckBox;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
@@ -44,6 +45,7 @@
import com.gitblit.models.SubmoduleModel;
import com.gitblit.servlet.RawServlet;
import com.gitblit.utils.DiffUtils;
import com.gitblit.utils.DiffUtils.DiffComparator;
import com.gitblit.utils.DiffUtils.DiffOutput;
import com.gitblit.utils.DiffUtils.DiffOutputType;
import com.gitblit.utils.JGitUtils;
@@ -68,6 +70,8 @@
    IModel<String> fromRefId = new Model<String>("");
    IModel<String> toRefId = new Model<String>("");
    IModel<Boolean> ignoreWhitespace = Model.of(true);
    public ComparePage(PageParameters params) {
        super(params);
@@ -116,7 +120,8 @@
            final ImageDiffHandler handler = new ImageDiffHandler(this, repositoryName,
                    fromCommit.getName(), toCommit.getName(), imageExtensions);
            final DiffOutput diff = DiffUtils.getDiff(r, fromCommit, toCommit, DiffOutputType.HTML, handler);
            final DiffComparator diffComparator = WicketUtils.getDiffComparator(params);
            final DiffOutput diff = DiffUtils.getDiff(r, fromCommit, toCommit, diffComparator, DiffOutputType.HTML, handler);
            if (handler.getImgDiffCount() > 0) {
                addBottomScript("scripts/imgdiff.js"); // Tiny support script for image diffs
            }
@@ -212,6 +217,10 @@
            comparison.add(new Label("diffText", diff.content).setEscapeModelStrings(false));
        }
        // set the default DiffComparator
        DiffComparator diffComparator = WicketUtils.getDiffComparator(params);
        ignoreWhitespace.setObject(DiffComparator.IGNORE_WHITESPACE == diffComparator);
        //
        // ref selection form
        //
@@ -223,8 +232,13 @@
            public void onSubmit() {
                String from = ComparePage.this.fromRefId.getObject();
                String to = ComparePage.this.toRefId.getObject();
                boolean ignoreWS = ignoreWhitespace.getObject();
                PageParameters params = WicketUtils.newRangeParameter(repositoryName, from, to);
                if (ignoreWS) {
                    params.put("w", 1);
                }
                String relativeUrl = urlFor(ComparePage.class, params).toString();
                String absoluteUrl = RequestUtils.toAbsolutePath(relativeUrl);
                getRequestCycle().setRequestTarget(new RedirectRequestTarget(absoluteUrl));
@@ -245,6 +259,8 @@
        }
        refsForm.add(new DropDownChoice<String>("fromRef", fromRefId, refs).setEnabled(refs.size() > 0));
        refsForm.add(new DropDownChoice<String>("toRef", toRefId, refs).setEnabled(refs.size() > 0));
        refsForm.add(new Label("ignoreWhitespaceLabel", getString(DiffComparator.IGNORE_WHITESPACE.getTranslationKey())));
        refsForm.add(new CheckBox("ignoreWhitespaceCheckbox", ignoreWhitespace));
        add(refsForm);
        //
@@ -258,8 +274,12 @@
            public void onSubmit() {
                String from = ComparePage.this.fromCommitId.getObject();
                String to = ComparePage.this.toCommitId.getObject();
                boolean ignoreWS = ignoreWhitespace.getObject();
                PageParameters params = WicketUtils.newRangeParameter(repositoryName, from, to);
                if (ignoreWS) {
                    params.put("w", 1);
                }
                String relativeUrl = urlFor(ComparePage.class, params).toString();
                String absoluteUrl = RequestUtils.toAbsolutePath(relativeUrl);
                getRequestCycle().setRequestTarget(new RedirectRequestTarget(absoluteUrl));
@@ -273,6 +293,8 @@
        TextField<String> toIdField = new TextField<String>("toId", toCommitId);
        WicketUtils.setInputPlaceholder(toIdField, getString("gb.to") + "...");
        idsForm.add(toIdField);
        idsForm.add(new Label("ignoreWhitespaceLabel", getString(DiffComparator.IGNORE_WHITESPACE.getTranslationKey())));
        idsForm.add(new CheckBox("ignoreWhitespaceCheckbox", ignoreWhitespace));
        add(idsForm);
        r.close();
src/test/java/com/gitblit/tests/DiffUtilsTest.java
@@ -23,6 +23,7 @@
import com.gitblit.models.AnnotatedLine;
import com.gitblit.utils.DiffUtils;
import com.gitblit.utils.DiffUtils.DiffComparator;
import com.gitblit.utils.DiffUtils.DiffOutputType;
import com.gitblit.utils.JGitUtils;
@@ -40,7 +41,7 @@
        Repository repository = GitBlitSuite.getHelloworldRepository();
        RevCommit commit = JGitUtils.getCommit(repository,
                "1d0c2933a4ae69c362f76797d42d6bd182d05176");
        String diff = DiffUtils.getCommitDiff(repository, commit, DiffOutputType.PLAIN).content;
        String diff = DiffUtils.getCommitDiff(repository, commit, DiffComparator.SHOW_WHITESPACE, DiffOutputType.PLAIN).content;
        repository.close();
        assertTrue(diff != null && diff.length() > 0);
        String expected = "-        system.out.println(\"Hello World\");\n+        System.out.println(\"Hello World\"";
@@ -54,7 +55,7 @@
                "8baf6a833b5579384d9b9ceb8a16b5d0ea2ec4ca");
        RevCommit commit = JGitUtils.getCommit(repository,
                "1d0c2933a4ae69c362f76797d42d6bd182d05176");
        String diff = DiffUtils.getDiff(repository, baseCommit, commit, DiffOutputType.PLAIN).content;
        String diff = DiffUtils.getDiff(repository, baseCommit, commit, DiffComparator.SHOW_WHITESPACE, DiffOutputType.PLAIN).content;
        repository.close();
        assertTrue(diff != null && diff.length() > 0);
        String expected = "-        system.out.println(\"Hello World\");\n+        System.out.println(\"Hello World\"";
@@ -66,7 +67,7 @@
        Repository repository = GitBlitSuite.getHelloworldRepository();
        RevCommit commit = JGitUtils.getCommit(repository,
                "1d0c2933a4ae69c362f76797d42d6bd182d05176");
        String diff = DiffUtils.getDiff(repository, commit, "java.java", DiffOutputType.PLAIN).content;
        String diff = DiffUtils.getDiff(repository, commit, "java.java", DiffComparator.SHOW_WHITESPACE, DiffOutputType.PLAIN).content;
        repository.close();
        assertTrue(diff != null && diff.length() > 0);
        String expected = "-        system.out.println(\"Hello World\");\n+        System.out.println(\"Hello World\"";