diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/AbstractHttpFilter.java b/gitiles-servlet/src/main/java/com/google/gitiles/AbstractHttpFilter.java
index 275a427..f1a7657 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/AbstractHttpFilter.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/AbstractHttpFilter.java
@@ -15,7 +15,6 @@
 package com.google.gitiles;
 
 import java.io.IOException;
-
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/ArchiveFormat.java b/gitiles-servlet/src/main/java/com/google/gitiles/ArchiveFormat.java
index a44aa96..f29db45 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/ArchiveFormat.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/ArchiveFormat.java
@@ -18,7 +18,6 @@
 import com.google.common.base.Optional;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
-
 import org.eclipse.jgit.api.ArchiveCommand;
 import org.eclipse.jgit.archive.TarFormat;
 import org.eclipse.jgit.archive.Tbz2Format;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/ArchiveServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/ArchiveServlet.java
index 8a3b1e2..f004c9f 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/ArchiveServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/ArchiveServlet.java
@@ -19,7 +19,10 @@
 
 import com.google.common.base.Optional;
 import com.google.common.base.Strings;
-
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.api.ArchiveCommand;
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
@@ -31,12 +34,6 @@
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.eclipse.jgit.treewalk.TreeWalk;
 
-import java.io.IOException;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 public class ArchiveServlet extends BaseServlet {
   private static final long serialVersionUID = 1L;
 
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/BaseServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/BaseServlet.java
index e839a9f..6e27cc9 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/BaseServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/BaseServlet.java
@@ -32,9 +32,6 @@
 import com.google.common.net.HttpHeaders;
 import com.google.gson.FieldNamingPolicy;
 import com.google.gson.GsonBuilder;
-
-import org.joda.time.Instant;
-
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
@@ -43,11 +40,11 @@
 import java.lang.reflect.Type;
 import java.util.Map;
 import java.util.zip.GZIPOutputStream;
-
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import org.joda.time.Instant;
 
 /** Base servlet class for Gitiles servlets that serve Soy templates. */
 public abstract class BaseServlet extends HttpServlet {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/BlobSoyData.java b/gitiles-servlet/src/main/java/com/google/gitiles/BlobSoyData.java
index 41e0701..c505ed4 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/BlobSoyData.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/BlobSoyData.java
@@ -22,7 +22,9 @@
 import com.google.common.collect.Maps;
 import com.google.template.soy.data.SoyListData;
 import com.google.template.soy.data.SoyMapData;
-
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
 import org.eclipse.jgit.diff.RawText;
 import org.eclipse.jgit.errors.LargeObjectException;
 import org.eclipse.jgit.errors.MissingObjectException;
@@ -33,11 +35,6 @@
 import org.eclipse.jgit.util.RawParseUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
-import java.io.IOException;
-import java.util.List;
-import java.util.Map;
-
 import prettify.parser.Prettify;
 import syntaxhighlight.ParseResult;
 
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/CommentLinkInfo.java b/gitiles-servlet/src/main/java/com/google/gitiles/CommentLinkInfo.java
index cf10241..7be81ea 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/CommentLinkInfo.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/CommentLinkInfo.java
@@ -19,7 +19,6 @@
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Lists;
-
 import java.util.List;
 import java.util.Map;
 import java.util.regex.Matcher;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/CommitData.java b/gitiles-servlet/src/main/java/com/google/gitiles/CommitData.java
index 429acae..4e917c4 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/CommitData.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/CommitData.java
@@ -25,7 +25,13 @@
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Ordering;
 import com.google.common.collect.Sets;
-
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import javax.annotation.Nullable;
+import javax.servlet.http.HttpServletRequest;
 import org.eclipse.jgit.diff.DiffEntry;
 import org.eclipse.jgit.diff.DiffFormatter;
 import org.eclipse.jgit.http.server.ServletUtils;
@@ -44,15 +50,6 @@
 import org.eclipse.jgit.treewalk.EmptyTreeIterator;
 import org.eclipse.jgit.util.io.NullOutputStream;
 
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import javax.annotation.Nullable;
-import javax.servlet.http.HttpServletRequest;
-
 /** Format-independent data about a single commit. */
 class CommitData {
   enum Field {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/CommitJsonData.java b/gitiles-servlet/src/main/java/com/google/gitiles/CommitJsonData.java
index 4b75ffd..96f7f2f 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/CommitJsonData.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/CommitJsonData.java
@@ -20,19 +20,16 @@
 import com.google.common.collect.Sets;
 import com.google.gitiles.CommitData.DiffList;
 import com.google.gitiles.CommitData.Field;
-
+import java.io.IOException;
+import java.util.List;
+import java.util.Set;
+import javax.annotation.Nullable;
+import javax.servlet.http.HttpServletRequest;
 import org.eclipse.jgit.diff.DiffEntry;
 import org.eclipse.jgit.lib.PersonIdent;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevWalk;
 
-import java.io.IOException;
-import java.util.List;
-import java.util.Set;
-
-import javax.annotation.Nullable;
-import javax.servlet.http.HttpServletRequest;
-
 public class CommitJsonData {
   static final ImmutableSet<Field> DEFAULT_FIELDS =
       Sets.immutableEnumSet(
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/CommitSoyData.java b/gitiles-servlet/src/main/java/com/google/gitiles/CommitSoyData.java
index d5bd8fd..40c5f74 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/CommitSoyData.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/CommitSoyData.java
@@ -27,7 +27,12 @@
 import com.google.gitiles.CommitData.DiffList;
 import com.google.gitiles.CommitData.Field;
 import com.google.template.soy.data.restricted.NullData;
-
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import javax.annotation.Nullable;
+import javax.servlet.http.HttpServletRequest;
 import org.eclipse.jgit.diff.DiffEntry;
 import org.eclipse.jgit.diff.DiffEntry.ChangeType;
 import org.eclipse.jgit.lib.Constants;
@@ -37,14 +42,6 @@
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.eclipse.jgit.util.RelativeDateFormatter;
 
-import java.io.IOException;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import javax.annotation.Nullable;
-import javax.servlet.http.HttpServletRequest;
-
 /** Soy data converter for git commits. */
 public class CommitSoyData {
   static final ImmutableSet<Field> DEFAULT_FIELDS =
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/ConfigUtil.java b/gitiles-servlet/src/main/java/com/google/gitiles/ConfigUtil.java
index 1915d73..b9700b8 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/ConfigUtil.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/ConfigUtil.java
@@ -21,16 +21,13 @@
 import com.google.common.cache.CacheBuilder;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterables;
-
-import org.eclipse.jgit.lib.Config;
-import org.joda.time.Duration;
-
 import java.util.TimeZone;
 import java.util.concurrent.TimeUnit;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
-
 import javax.annotation.Nullable;
+import org.eclipse.jgit.lib.Config;
+import org.joda.time.Duration;
 
 /** Utilities for working with {@link Config} objects. */
 public class ConfigUtil {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/DateFormatter.java b/gitiles-servlet/src/main/java/com/google/gitiles/DateFormatter.java
index affe508..1f847a8 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/DateFormatter.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/DateFormatter.java
@@ -15,14 +15,12 @@
 package com.google.gitiles;
 
 import com.google.common.base.Optional;
-
-import org.eclipse.jgit.lib.PersonIdent;
-import org.eclipse.jgit.util.SystemReader;
-
 import java.io.IOException;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.TimeZone;
+import org.eclipse.jgit.lib.PersonIdent;
+import org.eclipse.jgit.util.SystemReader;
 
 /** Date formatter similar in spirit to JGit's {@code GitDateFormatter}. */
 public class DateFormatter {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/DebugRenderer.java b/gitiles-servlet/src/main/java/com/google/gitiles/DebugRenderer.java
index dd6830d..5a54cea 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/DebugRenderer.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/DebugRenderer.java
@@ -21,7 +21,6 @@
 import com.google.common.hash.HashCode;
 import com.google.template.soy.SoyFileSet;
 import com.google.template.soy.tofu.SoyTofu;
-
 import java.io.File;
 import java.net.URISyntaxException;
 import java.net.URL;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/DefaultAccess.java b/gitiles-servlet/src/main/java/com/google/gitiles/DefaultAccess.java
index f912c3e..745eef7 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/DefaultAccess.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/DefaultAccess.java
@@ -21,18 +21,6 @@
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Queues;
-
-import org.eclipse.jgit.errors.ConfigInvalidException;
-import org.eclipse.jgit.errors.RepositoryNotFoundException;
-import org.eclipse.jgit.http.server.ServletUtils;
-import org.eclipse.jgit.lib.Config;
-import org.eclipse.jgit.lib.Ref;
-import org.eclipse.jgit.lib.Repository;
-import org.eclipse.jgit.lib.StoredConfig;
-import org.eclipse.jgit.transport.resolver.FileResolver;
-import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
-import org.eclipse.jgit.util.IO;
-
 import java.io.File;
 import java.io.IOException;
 import java.text.Collator;
@@ -43,8 +31,17 @@
 import java.util.Map;
 import java.util.Queue;
 import java.util.Set;
-
 import javax.servlet.http.HttpServletRequest;
+import org.eclipse.jgit.errors.ConfigInvalidException;
+import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.eclipse.jgit.http.server.ServletUtils;
+import org.eclipse.jgit.lib.Config;
+import org.eclipse.jgit.lib.Ref;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.lib.StoredConfig;
+import org.eclipse.jgit.transport.resolver.FileResolver;
+import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
+import org.eclipse.jgit.util.IO;
 
 /**
  * Default implementation of {@link GitilesAccess} with local repositories.
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/DefaultRenderer.java b/gitiles-servlet/src/main/java/com/google/gitiles/DefaultRenderer.java
index 238aa74..0d78e24 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/DefaultRenderer.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/DefaultRenderer.java
@@ -20,7 +20,6 @@
 import com.google.common.io.Resources;
 import com.google.template.soy.SoyFileSet;
 import com.google.template.soy.tofu.SoyTofu;
-
 import java.net.URL;
 import java.util.Map;
 
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/DefaultUrls.java b/gitiles-servlet/src/main/java/com/google/gitiles/DefaultUrls.java
index 7218a4b..d6e9bf7 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/DefaultUrls.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/DefaultUrls.java
@@ -18,7 +18,6 @@
 
 import java.net.InetAddress;
 import java.net.UnknownHostException;
-
 import javax.servlet.http.HttpServletRequest;
 
 /**
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/DescribeServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/DescribeServlet.java
index fb4aa0f..88535d2 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/DescribeServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/DescribeServlet.java
@@ -20,7 +20,12 @@
 import com.google.common.base.Joiner;
 import com.google.common.collect.ImmutableMap;
 import com.google.gson.reflect.TypeToken;
-
+import java.io.IOException;
+import java.io.Writer;
+import java.util.List;
+import java.util.Map;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.NameRevCommand;
 import org.eclipse.jgit.api.errors.GitAPIException;
@@ -31,14 +36,6 @@
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Repository;
 
-import java.io.IOException;
-import java.io.Writer;
-import java.util.List;
-import java.util.Map;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 /** Serves an API result describing an object. */
 public class DescribeServlet extends BaseServlet {
   private static final long serialVersionUID = 1L;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/DiffServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/DiffServlet.java
index 27b9852..273b0be 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/DiffServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/DiffServlet.java
@@ -20,7 +20,14 @@
 import com.google.common.io.BaseEncoding;
 import com.google.gitiles.CommitData.Field;
 import com.google.gitiles.DateFormatter.Format;
-
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.util.Arrays;
+import java.util.Map;
+import java.util.Set;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.diff.DiffFormatter;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.MissingObjectException;
@@ -36,16 +43,6 @@
 import org.eclipse.jgit.treewalk.TreeWalk;
 import org.eclipse.jgit.treewalk.filter.PathFilter;
 
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.Writer;
-import java.util.Arrays;
-import java.util.Map;
-import java.util.Set;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 /** Serves an HTML page with all the diffs for a commit. */
 public class DiffServlet extends BaseServlet {
   private static final long serialVersionUID = 1L;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/FormatType.java b/gitiles-servlet/src/main/java/com/google/gitiles/FormatType.java
index 4eca18d..7f8d62a 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/FormatType.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/FormatType.java
@@ -18,7 +18,6 @@
 import com.google.common.base.Optional;
 import com.google.common.base.Strings;
 import com.google.common.net.HttpHeaders;
-
 import javax.servlet.http.HttpServletRequest;
 
 /** Type of formatting to use in the response to the client. */
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesAccess.java b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesAccess.java
index 3b5427d..32002ec 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesAccess.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesAccess.java
@@ -14,16 +14,14 @@
 
 package com.google.gitiles;
 
-import org.eclipse.jgit.lib.Config;
-import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
-import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
-
 import java.io.IOException;
 import java.util.Map;
 import java.util.Set;
-
 import javax.annotation.Nullable;
 import javax.servlet.http.HttpServletRequest;
+import org.eclipse.jgit.lib.Config;
+import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
+import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
 
 /**
  * Git storage interface for Gitiles.
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesConfig.java b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesConfig.java
index 9793163..40fd6d0 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesConfig.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesConfig.java
@@ -16,17 +16,15 @@
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
+import java.io.File;
+import java.io.IOException;
+import java.util.Map;
+import javax.servlet.FilterConfig;
 import org.eclipse.jgit.errors.ConfigInvalidException;
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.storage.file.FileBasedConfig;
 import org.eclipse.jgit.util.FS;
 
-import java.io.File;
-import java.io.IOException;
-import java.util.Map;
-
-import javax.servlet.FilterConfig;
-
 public class GitilesConfig {
   private static final String FILTER_CONFIG_PARAM = "configPath";
   private static final String PROPERTY_NAME = "com.google.gitiles.configPath";
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesFilter.java b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesFilter.java
index 4e5da10..4e362a5 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesFilter.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesFilter.java
@@ -30,14 +30,6 @@
 import com.google.gitiles.blame.BlameCacheImpl;
 import com.google.gitiles.blame.BlameServlet;
 import com.google.gitiles.doc.DocServlet;
-
-import org.eclipse.jgit.errors.ConfigInvalidException;
-import org.eclipse.jgit.http.server.glue.MetaFilter;
-import org.eclipse.jgit.http.server.glue.ServletBinder;
-import org.eclipse.jgit.lib.Config;
-import org.eclipse.jgit.transport.resolver.FileResolver;
-import org.eclipse.jgit.transport.resolver.RepositoryResolver;
-
 import java.io.File;
 import java.io.IOException;
 import java.net.UnknownHostException;
@@ -45,7 +37,6 @@
 import java.util.Iterator;
 import java.util.Map;
 import java.util.regex.Pattern;
-
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
@@ -55,6 +46,12 @@
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import org.eclipse.jgit.errors.ConfigInvalidException;
+import org.eclipse.jgit.http.server.glue.MetaFilter;
+import org.eclipse.jgit.http.server.glue.ServletBinder;
+import org.eclipse.jgit.lib.Config;
+import org.eclipse.jgit.transport.resolver.FileResolver;
+import org.eclipse.jgit.transport.resolver.RepositoryResolver;
 
 /**
  * MetaFilter to serve Gitiles.
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesServlet.java
index 7a14ba2..05a2669 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesServlet.java
@@ -15,13 +15,7 @@
 package com.google.gitiles;
 
 import com.google.gitiles.blame.BlameCache;
-
-import org.eclipse.jgit.http.server.glue.MetaServlet;
-import org.eclipse.jgit.lib.Config;
-import org.eclipse.jgit.transport.resolver.RepositoryResolver;
-
 import java.util.Enumeration;
-
 import javax.annotation.Nullable;
 import javax.servlet.Filter;
 import javax.servlet.FilterConfig;
@@ -30,6 +24,9 @@
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
+import org.eclipse.jgit.http.server.glue.MetaServlet;
+import org.eclipse.jgit.lib.Config;
+import org.eclipse.jgit.transport.resolver.RepositoryResolver;
 
 /**
  * Servlet to serve Gitiles.
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesUrls.java b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesUrls.java
index 53dddc9..50171c3 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesUrls.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesUrls.java
@@ -17,10 +17,8 @@
 import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.common.base.Function;
-
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
-
 import javax.servlet.http.HttpServletRequest;
 
 /** Interface for URLs displayed on source browsing pages. */
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesView.java b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesView.java
index 057ebf4..889c603 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesView.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesView.java
@@ -32,10 +32,6 @@
 import com.google.common.collect.LinkedListMultimap;
 import com.google.common.collect.ListMultimap;
 import com.google.common.collect.Multimaps;
-
-import org.eclipse.jgit.lib.Constants;
-import org.eclipse.jgit.revwalk.RevObject;
-
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
 import java.util.ArrayList;
@@ -43,8 +39,9 @@
 import java.util.EnumSet;
 import java.util.List;
 import java.util.Map;
-
 import javax.servlet.http.HttpServletRequest;
+import org.eclipse.jgit.lib.Constants;
+import org.eclipse.jgit.revwalk.RevObject;
 
 /**
  * Information about a view in Gitiles.
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/GitwebRedirectFilter.java b/gitiles-servlet/src/main/java/com/google/gitiles/GitwebRedirectFilter.java
index 6578891..f1e01bc 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/GitwebRedirectFilter.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/GitwebRedirectFilter.java
@@ -27,19 +27,16 @@
 import com.google.common.collect.LinkedListMultimap;
 import com.google.common.collect.ListMultimap;
 import com.google.gitiles.GitilesView.InvalidViewException;
-
-import org.eclipse.jgit.lib.ObjectId;
-
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
 import java.util.List;
 import java.util.regex.Pattern;
-
 import javax.servlet.FilterChain;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import org.eclipse.jgit.lib.ObjectId;
 
 /** Filter to redirect Gitweb-style URLs to Gitiles-style URLs. */
 public class GitwebRedirectFilter extends AbstractHttpFilter {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/HostIndexServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/HostIndexServlet.java
index ca35727..4a448e3 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/HostIndexServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/HostIndexServlet.java
@@ -29,14 +29,6 @@
 import com.google.template.soy.data.SoyData;
 import com.google.template.soy.data.SoyListData;
 import com.google.template.soy.data.SoyMapData;
-
-import org.eclipse.jgit.errors.RepositoryNotFoundException;
-import org.eclipse.jgit.transport.ServiceMayNotContinueException;
-import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
-import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.io.IOException;
 import java.io.Writer;
 import java.util.Collections;
@@ -44,10 +36,15 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-
 import javax.annotation.Nullable;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.eclipse.jgit.transport.ServiceMayNotContinueException;
+import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
+import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /** Serves the top level index page for a Gitiles host. */
 public class HostIndexServlet extends BaseServlet {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/HtmlDiffFormatter.java b/gitiles-servlet/src/main/java/com/google/gitiles/HtmlDiffFormatter.java
index 4998f94..a290642 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/HtmlDiffFormatter.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/HtmlDiffFormatter.java
@@ -20,7 +20,10 @@
 
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Lists;
-
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.List;
+import java.util.Map;
 import org.apache.commons.lang3.StringEscapeUtils;
 import org.eclipse.jgit.diff.DiffEntry;
 import org.eclipse.jgit.diff.DiffEntry.ChangeType;
@@ -30,11 +33,6 @@
 import org.eclipse.jgit.patch.FileHeader.PatchType;
 import org.eclipse.jgit.util.RawParseUtils;
 
-import java.io.IOException;
-import java.io.OutputStream;
-import java.util.List;
-import java.util.Map;
-
 /** Formats a unified format patch as UTF-8 encoded HTML. */
 final class HtmlDiffFormatter extends DiffFormatter {
   private static final byte[] DIFF_BEGIN = "<pre class=\"u-pre Diff-unified\">".getBytes(UTF_8);
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/IdentRevFilter.java b/gitiles-servlet/src/main/java/com/google/gitiles/IdentRevFilter.java
index 5493452..745debd 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/IdentRevFilter.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/IdentRevFilter.java
@@ -15,7 +15,7 @@
 package com.google.gitiles;
 
 import com.google.common.annotations.VisibleForTesting;
-
+import java.io.IOException;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.MissingObjectException;
 import org.eclipse.jgit.errors.StopWalkException;
@@ -24,8 +24,6 @@
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.eclipse.jgit.revwalk.filter.RevFilter;
 
-import java.io.IOException;
-
 /** Filter which only includes commits matching a person identity. */
 public abstract class IdentRevFilter extends RevFilter {
   public static IdentRevFilter author(String author) {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/Linkifier.java b/gitiles-servlet/src/main/java/com/google/gitiles/Linkifier.java
index e513ec4..e3110dd 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/Linkifier.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/Linkifier.java
@@ -20,11 +20,6 @@
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Lists;
-
-import org.eclipse.jgit.lib.Config;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -32,8 +27,10 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;
-
 import javax.servlet.http.HttpServletRequest;
+import org.eclipse.jgit.lib.Config;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /** Linkifier for blocks of text such as commit message descriptions. */
 public class Linkifier {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/LogServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/LogServlet.java
index 30d37f5..5f17081 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/LogServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/LogServlet.java
@@ -29,7 +29,16 @@
 import com.google.gitiles.CommitData.Field;
 import com.google.gitiles.DateFormatter.Format;
 import com.google.gson.reflect.TypeToken;
-
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.diff.DiffConfig;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.MissingObjectException;
@@ -56,18 +65,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.Writer;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 /** Serves an HTML page with a shortlog for commits and paths. */
 public class LogServlet extends BaseServlet {
   private static final long serialVersionUID = 1L;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/LogSoyData.java b/gitiles-servlet/src/main/java/com/google/gitiles/LogSoyData.java
index 6d1a1c8..56ddb8f 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/LogSoyData.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/LogSoyData.java
@@ -23,21 +23,18 @@
 import com.google.common.collect.Sets;
 import com.google.gitiles.CommitData.Field;
 import com.google.template.soy.tofu.SoyTofu;
-
+import java.io.IOException;
+import java.io.Writer;
+import java.util.Map;
+import java.util.Set;
+import javax.annotation.Nullable;
+import javax.servlet.http.HttpServletRequest;
 import org.eclipse.jgit.diff.DiffEntry;
 import org.eclipse.jgit.diff.DiffEntry.ChangeType;
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.revwalk.RevCommit;
 
-import java.io.IOException;
-import java.io.Writer;
-import java.util.Map;
-import java.util.Set;
-
-import javax.annotation.Nullable;
-import javax.servlet.http.HttpServletRequest;
-
 public class LogSoyData {
   private static final ImmutableSet<Field> FIELDS =
       Sets.immutableEnumSet(
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/MimeTypes.java b/gitiles-servlet/src/main/java/com/google/gitiles/MimeTypes.java
index ed219ce..440503c 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/MimeTypes.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/MimeTypes.java
@@ -16,7 +16,6 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.common.collect.ImmutableMap;
-
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Map;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/Paginator.java b/gitiles-servlet/src/main/java/com/google/gitiles/Paginator.java
index 019d33c..ba85828 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/Paginator.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/Paginator.java
@@ -18,6 +18,13 @@
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkState;
 
+import java.io.IOException;
+import java.util.ArrayDeque;
+import java.util.Deque;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import javax.annotation.Nullable;
 import org.eclipse.jgit.diff.DiffEntry;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.MissingObjectException;
@@ -29,15 +36,6 @@
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.eclipse.jgit.treewalk.filter.TreeFilter;
 
-import java.io.IOException;
-import java.util.ArrayDeque;
-import java.util.Deque;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-
-import javax.annotation.Nullable;
-
 /**
  * Wrapper around {@link RevWalk} that paginates for Gitiles.
  *
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/PathServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/PathServlet.java
index 91e7060..1870258 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/PathServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/PathServlet.java
@@ -29,7 +29,14 @@
 import com.google.common.collect.Maps;
 import com.google.common.io.BaseEncoding;
 import com.google.common.primitives.Bytes;
-
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Pattern;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.errors.ConfigInvalidException;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.LargeObjectException;
@@ -57,16 +64,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.Writer;
-import java.util.List;
-import java.util.Map;
-import java.util.regex.Pattern;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 /** Serves an HTML page with detailed information about a path within a tree. */
 // TODO(dborowitz): Handle non-UTF-8 names.
 public class PathServlet extends BaseServlet {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/PathUtil.java b/gitiles-servlet/src/main/java/com/google/gitiles/PathUtil.java
index e67223f..2df8cdc 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/PathUtil.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/PathUtil.java
@@ -18,7 +18,6 @@
 import com.google.common.base.Splitter;
 import com.google.common.base.Strings;
 import com.google.common.io.Files;
-
 import java.util.StringTokenizer;
 
 /** Static utilities for dealing with pathnames. */
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/ReadmeHelper.java b/gitiles-servlet/src/main/java/com/google/gitiles/ReadmeHelper.java
index 3dcf1ea..0d625a9 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/ReadmeHelper.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/ReadmeHelper.java
@@ -17,7 +17,7 @@
 import com.google.gitiles.doc.MarkdownConfig;
 import com.google.gitiles.doc.MarkdownToHtml;
 import com.google.template.soy.data.SanitizedContent;
-
+import java.io.IOException;
 import org.eclipse.jgit.errors.CorruptObjectException;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.MissingObjectException;
@@ -30,8 +30,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-
 class ReadmeHelper {
   private static final Logger log = LoggerFactory.getLogger(ReadmeHelper.class);
 
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/RefServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/RefServlet.java
index f434586..5aa4119 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/RefServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/RefServlet.java
@@ -25,7 +25,15 @@
 import com.google.common.primitives.Ints;
 import com.google.common.util.concurrent.UncheckedExecutionException;
 import com.google.gson.reflect.TypeToken;
-
+import java.io.IOException;
+import java.io.Writer;
+import java.util.Collection;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import javax.annotation.Nullable;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.http.server.ServletUtils;
 import org.eclipse.jgit.lib.AnyObjectId;
 import org.eclipse.jgit.lib.Constants;
@@ -35,17 +43,6 @@
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.eclipse.jgit.transport.RefAdvertiser;
 
-import java.io.IOException;
-import java.io.Writer;
-import java.util.Collection;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-
-import javax.annotation.Nullable;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 /** Serves an HTML page with all the refs in a repository. */
 public class RefServlet extends BaseServlet {
   private static final long serialVersionUID = 1L;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/Renderer.java b/gitiles-servlet/src/main/java/com/google/gitiles/Renderer.java
index 694a3c3..f5d6e36 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/Renderer.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/Renderer.java
@@ -31,7 +31,6 @@
 import com.google.common.io.ByteStreams;
 import com.google.common.net.HttpHeaders;
 import com.google.template.soy.tofu.SoyTofu;
-
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
@@ -41,7 +40,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentMap;
-
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/RepositoryFilter.java b/gitiles-servlet/src/main/java/com/google/gitiles/RepositoryFilter.java
index bbaabc5..ffb4a55 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/RepositoryFilter.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/RepositoryFilter.java
@@ -21,6 +21,11 @@
 import static org.eclipse.jgit.http.server.GitSmartHttpTools.sendError;
 import static org.eclipse.jgit.http.server.ServletUtils.ATTRIBUTE_REPOSITORY;
 
+import java.io.IOException;
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.errors.RepositoryNotFoundException;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.transport.ServiceMayNotContinueException;
@@ -28,13 +33,6 @@
 import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
 import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
 
-import java.io.IOException;
-
-import javax.servlet.FilterChain;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 class RepositoryFilter extends AbstractHttpFilter {
   private final RepositoryResolver<HttpServletRequest> resolver;
 
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/RepositoryIndexServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/RepositoryIndexServlet.java
index 3b754df..7ce3720 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/RepositoryIndexServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/RepositoryIndexServlet.java
@@ -26,7 +26,13 @@
 import com.google.gitiles.doc.MarkdownConfig;
 import com.google.gson.reflect.TypeToken;
 import com.google.template.soy.data.SanitizedContent;
-
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.util.List;
+import java.util.Map;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.http.server.ServletUtils;
 import org.eclipse.jgit.lib.Config;
@@ -38,15 +44,6 @@
 import org.eclipse.jgit.revwalk.RevTree;
 import org.eclipse.jgit.revwalk.RevWalk;
 
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.Writer;
-import java.util.List;
-import java.util.Map;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 /** Serves the index page for a repository, if accessed directly by a browser. */
 public class RepositoryIndexServlet extends BaseServlet {
   private static final long serialVersionUID = 1L;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/Revision.java b/gitiles-servlet/src/main/java/com/google/gitiles/Revision.java
index 356fbc7..c494af9 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/Revision.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/Revision.java
@@ -21,7 +21,8 @@
 import static org.eclipse.jgit.lib.Constants.OBJ_TAG;
 
 import com.google.common.annotations.VisibleForTesting;
-
+import java.io.IOException;
+import java.util.Objects;
 import org.eclipse.jgit.errors.MissingObjectException;
 import org.eclipse.jgit.lib.AbbreviatedObjectId;
 import org.eclipse.jgit.lib.Constants;
@@ -29,9 +30,6 @@
 import org.eclipse.jgit.revwalk.RevObject;
 import org.eclipse.jgit.revwalk.RevWalk;
 
-import java.io.IOException;
-import java.util.Objects;
-
 /**
  * Object encapsulating a single revision as seen by Gitiles.
  * <p>
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/RevisionParser.java b/gitiles-servlet/src/main/java/com/google/gitiles/RevisionParser.java
index f837bca..9b2d044 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/RevisionParser.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/RevisionParser.java
@@ -21,7 +21,8 @@
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.CharMatcher;
 import com.google.common.base.Splitter;
-
+import java.io.IOException;
+import java.util.Objects;
 import org.eclipse.jgit.errors.AmbiguousObjectException;
 import org.eclipse.jgit.errors.MissingObjectException;
 import org.eclipse.jgit.errors.RevisionSyntaxException;
@@ -32,9 +33,6 @@
 import org.eclipse.jgit.revwalk.RevTag;
 import org.eclipse.jgit.revwalk.RevWalk;
 
-import java.io.IOException;
-import java.util.Objects;
-
 /** Object to parse revisions out of Gitiles paths. */
 class RevisionParser {
   private static final Splitter OPERATOR_SPLITTER = Splitter.on(CharMatcher.anyOf("^~"));
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/RevisionServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/RevisionServlet.java
index cc80490..a126c7e 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/RevisionServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/RevisionServlet.java
@@ -28,7 +28,13 @@
 import com.google.gitiles.CommitData.Field;
 import com.google.gitiles.CommitJsonData.Commit;
 import com.google.gitiles.DateFormatter.Format;
-
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.util.List;
+import java.util.Map;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.MissingObjectException;
 import org.eclipse.jgit.http.server.ServletUtils;
@@ -46,15 +52,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.Writer;
-import java.util.List;
-import java.util.Map;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 /** Serves an HTML page with detailed information about a ref. */
 public class RevisionServlet extends BaseServlet {
   private static final ImmutableSet<Field> COMMIT_SOY_FIELDS =
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/RootedDocServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/RootedDocServlet.java
index 057aba8..90c6e07 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/RootedDocServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/RootedDocServlet.java
@@ -17,7 +17,12 @@
 import static org.eclipse.jgit.http.server.ServletUtils.ATTRIBUTE_REPOSITORY;
 
 import com.google.gitiles.doc.DocServlet;
-
+import java.io.IOException;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.errors.RepositoryNotFoundException;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Repository;
@@ -30,14 +35,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-
-import javax.servlet.ServletConfig;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 /** Serves Markdown at the root of a host. */
 public class RootedDocServlet extends HttpServlet {
   private static final Logger log = LoggerFactory.getLogger(ViewFilter.class);
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/TagSoyData.java b/gitiles-servlet/src/main/java/com/google/gitiles/TagSoyData.java
index 8401551..831cb8e 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/TagSoyData.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/TagSoyData.java
@@ -15,14 +15,11 @@
 package com.google.gitiles;
 
 import com.google.common.collect.Maps;
-
+import java.util.Map;
+import javax.servlet.http.HttpServletRequest;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.revwalk.RevTag;
 
-import java.util.Map;
-
-import javax.servlet.http.HttpServletRequest;
-
 /** Soy data converter for git tags. */
 public class TagSoyData {
   private final Linkifier linkifier;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/ThreadSafePrettifyParser.java b/gitiles-servlet/src/main/java/com/google/gitiles/ThreadSafePrettifyParser.java
index 36646aa..b529ea8 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/ThreadSafePrettifyParser.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/ThreadSafePrettifyParser.java
@@ -15,7 +15,6 @@
 package com.google.gitiles;
 
 import java.util.Collections;
-
 import prettify.PrettifyParser;
 import prettify.parser.Prettify;
 
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/TimeCache.java b/gitiles-servlet/src/main/java/com/google/gitiles/TimeCache.java
index 7021733..dee10d1 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/TimeCache.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/TimeCache.java
@@ -17,7 +17,9 @@
 import com.google.common.base.Throwables;
 import com.google.common.cache.Cache;
 import com.google.common.cache.CacheBuilder;
-
+import java.io.IOException;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.PersonIdent;
@@ -26,10 +28,6 @@
 import org.eclipse.jgit.revwalk.RevTag;
 import org.eclipse.jgit.revwalk.RevWalk;
 
-import java.io.IOException;
-import java.util.concurrent.Callable;
-import java.util.concurrent.ExecutionException;
-
 /**
  * Cache of the time associated with Git objects.
  * <p>
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/TreeJsonData.java b/gitiles-servlet/src/main/java/com/google/gitiles/TreeJsonData.java
index 998d546..212099c 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/TreeJsonData.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/TreeJsonData.java
@@ -17,16 +17,14 @@
 import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.common.collect.Lists;
-
+import java.io.IOException;
+import java.util.List;
 import org.eclipse.jgit.annotations.Nullable;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.FileMode;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.treewalk.TreeWalk;
 
-import java.io.IOException;
-import java.util.List;
-
 class TreeJsonData {
   static class Tree {
     String id;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/TreeSoyData.java b/gitiles-servlet/src/main/java/com/google/gitiles/TreeSoyData.java
index f32e2cf..936094c 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/TreeSoyData.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/TreeSoyData.java
@@ -23,7 +23,9 @@
 import com.google.common.collect.Maps;
 import com.google.gitiles.PathServlet.FileType;
 import com.google.gitiles.doc.MarkdownConfig;
-
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
 import org.eclipse.jgit.errors.MissingObjectException;
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.lib.ObjectId;
@@ -31,10 +33,6 @@
 import org.eclipse.jgit.revwalk.RevTree;
 import org.eclipse.jgit.treewalk.TreeWalk;
 
-import java.io.IOException;
-import java.util.List;
-import java.util.Map;
-
 /** Soy data converter for git trees. */
 public class TreeSoyData {
   /**
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/ViewFilter.java b/gitiles-servlet/src/main/java/com/google/gitiles/ViewFilter.java
index dbc9436..51e248e 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/ViewFilter.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/ViewFilter.java
@@ -21,19 +21,16 @@
 import static org.eclipse.jgit.http.server.ServletUtils.ATTRIBUTE_REPOSITORY;
 
 import com.google.common.base.Strings;
-
-import org.eclipse.jgit.http.server.ServletUtils;
-import org.eclipse.jgit.http.server.glue.WrappedRequest;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.io.IOException;
 import java.util.Map;
-
 import javax.servlet.FilterChain;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import org.eclipse.jgit.http.server.ServletUtils;
+import org.eclipse.jgit.http.server.glue.WrappedRequest;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /** Filter to parse URLs and convert them to {@link GitilesView}s. */
 public class ViewFilter extends AbstractHttpFilter {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/VisibilityCache.java b/gitiles-servlet/src/main/java/com/google/gitiles/VisibilityCache.java
index 6c1a7a2..657bba8 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/VisibilityCache.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/VisibilityCache.java
@@ -30,7 +30,13 @@
 import com.google.common.cache.CacheBuilder;
 import com.google.common.collect.Collections2;
 import com.google.common.util.concurrent.ExecutionError;
-
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Objects;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.MissingObjectException;
 import org.eclipse.jgit.lib.ObjectId;
@@ -41,14 +47,6 @@
 import org.eclipse.jgit.revwalk.RevSort;
 import org.eclipse.jgit.revwalk.RevWalk;
 
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Objects;
-import java.util.concurrent.Callable;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.TimeUnit;
-
 /** Cache of per-user object visibility. */
 public class VisibilityCache {
   private static class Key {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/blame/BlameServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/blame/BlameServlet.java
index 2bb9dd3..bff70c2 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/blame/BlameServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/blame/BlameServlet.java
@@ -34,7 +34,12 @@
 import com.google.gson.reflect.TypeToken;
 import com.google.template.soy.data.SoyListData;
 import com.google.template.soy.data.SoyMapData;
-
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.http.server.ServletUtils;
 import org.eclipse.jgit.lib.FileMode;
@@ -48,14 +53,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 /** Serves an HTML page with blame data for a commit. */
 public class BlameServlet extends BaseServlet {
   private static final long serialVersionUID = 1L;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/blame/RegionAdapter.java b/gitiles-servlet/src/main/java/com/google/gitiles/blame/RegionAdapter.java
index eed270f..f2f1855 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/blame/RegionAdapter.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/blame/RegionAdapter.java
@@ -20,10 +20,8 @@
 import com.google.gson.TypeAdapter;
 import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
-
-import org.eclipse.jgit.lib.ObjectId;
-
 import java.io.IOException;
+import org.eclipse.jgit.lib.ObjectId;
 
 class RegionAdapter extends TypeAdapter<Region> {
   private final DateFormatter df;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/BlockNoteExtension.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/BlockNoteExtension.java
index 3ae747d..8a7e250 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/BlockNoteExtension.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/BlockNoteExtension.java
@@ -15,7 +15,6 @@
 package com.google.gitiles.doc;
 
 import com.google.common.collect.ImmutableSet;
-
 import org.commonmark.Extension;
 import org.commonmark.node.Block;
 import org.commonmark.parser.Parser;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/DocServlet.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/DocServlet.java
index 9007928..37a1ec6 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/DocServlet.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/DocServlet.java
@@ -34,7 +34,12 @@
 import com.google.gitiles.GitilesView;
 import com.google.gitiles.Renderer;
 import com.google.gitiles.ViewFilter;
-
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import javax.annotation.Nullable;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import org.commonmark.node.Node;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.LargeObjectException;
@@ -49,14 +54,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
-
-import javax.annotation.Nullable;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 public class DocServlet extends BaseServlet {
   private static final Logger log = LoggerFactory.getLogger(DocServlet.class);
   private static final long serialVersionUID = 1L;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/GitilesHtmlExtension.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/GitilesHtmlExtension.java
index 2127400..a049fa8 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/GitilesHtmlExtension.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/GitilesHtmlExtension.java
@@ -15,7 +15,8 @@
 package com.google.gitiles.doc;
 
 import com.google.gitiles.doc.html.HtmlBuilder;
-
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import org.commonmark.Extension;
 import org.commonmark.node.AbstractVisitor;
 import org.commonmark.node.HardLineBreak;
@@ -27,9 +28,6 @@
 import org.commonmark.parser.Parser.ParserExtension;
 import org.commonmark.parser.PostProcessor;
 
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
 /**
  * Convert some {@link HtmlInline} and {@link HtmlBlock} to safe types.
  * <p>
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/GitilesMarkdown.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/GitilesMarkdown.java
index fcd00dc..cc50048 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/GitilesMarkdown.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/GitilesMarkdown.java
@@ -15,7 +15,6 @@
 package com.google.gitiles.doc;
 
 import com.google.common.collect.ImmutableList;
-
 import org.commonmark.ext.autolink.AutolinkExtension;
 import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
 import org.commonmark.ext.gfm.tables.TablesExtension;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/ImageLoader.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/ImageLoader.java
index 4fca76a..b7b2531 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/ImageLoader.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/ImageLoader.java
@@ -19,7 +19,8 @@
 import com.google.gitiles.GitilesView;
 import com.google.gitiles.MimeTypes;
 import com.google.template.soy.shared.restricted.EscapingConventions.FilterImageDataUri;
-
+import java.io.IOException;
+import javax.annotation.Nullable;
 import org.eclipse.jgit.errors.LargeObjectException;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.FileMode;
@@ -30,10 +31,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-
-import javax.annotation.Nullable;
-
 /** Reads an image from Git and converts to {@code data:image/*;base64,...} */
 class ImageLoader {
   private static final Logger log = LoggerFactory.getLogger(ImageLoader.class);
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownConfig.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownConfig.java
index f229f8e..5737d85 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownConfig.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownConfig.java
@@ -16,7 +16,6 @@
 
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableList;
-
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.lib.Config.SectionParser;
 import org.eclipse.jgit.util.StringUtils;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownToHtml.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownToHtml.java
index d5218e7..5a86d4c 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownToHtml.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownToHtml.java
@@ -24,7 +24,8 @@
 import com.google.template.soy.data.SanitizedContent;
 import com.google.template.soy.shared.restricted.EscapingConventions.FilterImageDataUri;
 import com.google.template.soy.shared.restricted.EscapingConventions.FilterNormalizeUri;
-
+import java.util.List;
+import javax.annotation.Nullable;
 import org.commonmark.ext.gfm.strikethrough.Strikethrough;
 import org.commonmark.ext.gfm.tables.TableBlock;
 import org.commonmark.ext.gfm.tables.TableBody;
@@ -59,11 +60,6 @@
 import org.commonmark.node.Visitor;
 import org.eclipse.jgit.lib.ObjectReader;
 import org.eclipse.jgit.revwalk.RevTree;
-
-import java.util.List;
-
-import javax.annotation.Nullable;
-
 import prettify.parser.Prettify;
 import syntaxhighlight.ParseResult;
 
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownUtil.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownUtil.java
index 6392cd0..9a6bb82 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownUtil.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/MarkdownUtil.java
@@ -16,7 +16,6 @@
 
 import com.google.common.base.CharMatcher;
 import com.google.common.base.Strings;
-
 import org.commonmark.node.Heading;
 import org.commonmark.node.Node;
 import org.commonmark.node.Text;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/MultiColumnExtension.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/MultiColumnExtension.java
index aeb3d89..4f1ca53 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/MultiColumnExtension.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/MultiColumnExtension.java
@@ -17,7 +17,8 @@
 import com.google.common.base.Splitter;
 import com.google.common.primitives.Ints;
 import com.google.gitiles.doc.MultiColumnBlock.Column;
-
+import java.util.ArrayList;
+import java.util.List;
 import org.commonmark.Extension;
 import org.commonmark.node.Block;
 import org.commonmark.node.Heading;
@@ -31,9 +32,6 @@
 import org.commonmark.parser.block.MatchedBlockParser;
 import org.commonmark.parser.block.ParserState;
 
-import java.util.ArrayList;
-import java.util.List;
-
 /** CommonMark extension for multicolumn layouts. */
 public class MultiColumnExtension implements ParserExtension {
   private static final String MARKER = "|||---|||";
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/NamedAnchorExtension.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/NamedAnchorExtension.java
index fd3f8f7..e6a3071 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/NamedAnchorExtension.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/NamedAnchorExtension.java
@@ -14,6 +14,8 @@
 
 package com.google.gitiles.doc;
 
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import org.commonmark.Extension;
 import org.commonmark.node.Node;
 import org.commonmark.node.Text;
@@ -22,9 +24,6 @@
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.parser.delimiter.DelimiterRun;
 
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
 /** Parses <code>{#foo}</code> into {@link NamedAnchor}. */
 public class NamedAnchorExtension implements ParserExtension {
   public static Extension create() {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/Navbar.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/Navbar.java
index 5affd6c..50e0b61 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/Navbar.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/Navbar.java
@@ -15,17 +15,15 @@
 package com.google.gitiles.doc;
 
 import com.google.gitiles.doc.html.HtmlBuilder;
-import com.google.template.soy.shared.restricted.Sanitizers;
 import com.google.template.soy.shared.restricted.EscapingConventions.FilterImageDataUri;
-
-import org.commonmark.node.Heading;
-import org.commonmark.node.Node;
-import org.eclipse.jgit.util.RawParseUtils;
-
+import com.google.template.soy.shared.restricted.Sanitizers;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import org.commonmark.node.Heading;
+import org.commonmark.node.Node;
+import org.eclipse.jgit.util.RawParseUtils;
 
 class Navbar {
   private static final Pattern REF_LINK =
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/PathResolver.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/PathResolver.java
index 1cc8095..33feff7 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/PathResolver.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/PathResolver.java
@@ -15,7 +15,6 @@
 package com.google.gitiles.doc;
 
 import com.google.common.base.CharMatcher;
-
 import javax.annotation.Nullable;
 
 class PathResolver {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/SmartQuotedExtension.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/SmartQuotedExtension.java
index 4f06f3d..7df0c13 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/SmartQuotedExtension.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/SmartQuotedExtension.java
@@ -18,7 +18,6 @@
 import static com.google.gitiles.doc.SmartQuoted.Type.SINGLE;
 
 import com.google.gitiles.doc.SmartQuoted.Type;
-
 import org.commonmark.Extension;
 import org.commonmark.node.Node;
 import org.commonmark.node.Text;
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/TocFormatter.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/TocFormatter.java
index 9c415a8..1cbc374 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/TocFormatter.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/TocFormatter.java
@@ -19,17 +19,15 @@
 import com.google.common.collect.Maps;
 import com.google.common.collect.Multimap;
 import com.google.gitiles.doc.html.HtmlBuilder;
-
-import org.apache.commons.lang3.StringUtils;
-import org.commonmark.node.Heading;
-import org.commonmark.node.Node;
-
 import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Deque;
 import java.util.List;
 import java.util.Map;
+import org.apache.commons.lang3.StringUtils;
+import org.commonmark.node.Heading;
+import org.commonmark.node.Node;
 
 /** Outputs outline from HeaderNodes in the AST. */
 class TocFormatter {
diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/doc/html/HtmlBuilder.java b/gitiles-servlet/src/main/java/com/google/gitiles/doc/html/HtmlBuilder.java
index 3239fe1..26c48e2 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/doc/html/HtmlBuilder.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/doc/html/HtmlBuilder.java
@@ -25,7 +25,6 @@
 import com.google.template.soy.shared.restricted.EscapingConventions.EscapeHtml;
 import com.google.template.soy.shared.restricted.EscapingConventions.FilterImageDataUri;
 import com.google.template.soy.shared.restricted.EscapingConventions.FilterNormalizeUri;
-
 import java.io.IOException;
 import java.util.regex.Pattern;