Create war artifact

web.xml is restored from: Ib8f187039.  Ths commit partially reverts
f54665e0a0ec4025fa01d79911ff5ae4e88fc19f.

Test Plan:

  $ bazel build gitiles
  $ unzip -t bazel-bin/gitiles.war

Change-Id: I9778da62b06b357c718275837a3df95ca0043562
diff --git a/BUILD b/BUILD
index d2e59f3..773eb61 100644
--- a/BUILD
+++ b/BUILD
@@ -1 +1,13 @@
-# This file is intended to be empty
+load("@com_googlesource_gerrit_bazlets//tools:pkg_war.bzl", "pkg_war")
+
+pkg_war(
+    name = "gitiles",
+    context = ["//gitiles-servlet:webassets"],
+    libs = [
+        "//gitiles-servlet:servlet",
+        "//lib/jetty:server",
+        "//lib/jetty:servlet",
+        "//lib/slf4j:slf4j-simple",
+    ],
+    web_xml = "//gitiles-war:web_xml",
+)
diff --git a/WORKSPACE b/WORKSPACE
index 08f8524..9ade98c 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,8 +3,8 @@
 load("//tools:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "0f87babe07a555425d829c6e7951e296e9e24579",
-    #    local_path = "/home/<user>/projects/bazlets"
+    commit = "a8a04c9ef2f131816c1e458613bee93b461ba652",
+    # local_path = "/home/<user>/projects/bazlets",
 )
 
 load(
diff --git a/gitiles-servlet/BUILD b/gitiles-servlet/BUILD
index 94ddc8e..127608b 100644
--- a/gitiles-servlet/BUILD
+++ b/gitiles-servlet/BUILD
@@ -1,3 +1,8 @@
+load(
+    "@com_googlesource_gerrit_bazlets//tools:genrule2.bzl",
+    "genrule2",
+)
+
 DEPS = [
     "//blame-cache:lib",
     "//lib:autolink",
@@ -38,6 +43,20 @@
     ],
 )
 
+genrule2(
+    name = "webassets",
+    srcs = glob(["src/main/resources/com/google/gitiles/static/**/*"]),
+    outs = ["webassets.zip"],
+    cmd = " && ".join([
+        "o=$$PWD/$@",
+        "tar cf - $(SRCS) | tar -C $$TMP/ --strip-components=2 -xf -",
+        "cd $$TMP/main/resources/com/google/gitiles/",
+        "mv static +static",
+        "zip -qr $$o .",
+    ]),
+    visibility = ["//visibility:public"],
+)
+
 java_library(
     name = "testutil",
     srcs = glob(
diff --git a/gitiles-war/BUILD b/gitiles-war/BUILD
new file mode 100644
index 0000000..be3000e
--- /dev/null
+++ b/gitiles-war/BUILD
@@ -0,0 +1,5 @@
+filegroup(
+    name = "web_xml",
+    srcs = ["src/main/resources/web.xml"],
+    visibility = ["//visibility:public"],
+)
diff --git a/gitiles-war/src/main/resources/web.xml b/gitiles-war/src/main/resources/web.xml
new file mode 100644
index 0000000..bffacb5
--- /dev/null
+++ b/gitiles-war/src/main/resources/web.xml
@@ -0,0 +1,40 @@
+<!DOCTYPE web-app PUBLIC
+ "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+ "http://java.sun.com/dtd/web-app_2_3.dtd" >
+<!--
+  Copyright 2012 Google Inc. All Rights Reserved.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<web-app>
+  <display-name>Gitiles</display-name>
+
+  <servlet>
+    <servlet-name>gitiles</servlet-name>
+    <servlet-class>com.google.gitiles.GitilesServlet</servlet-class>
+    <init-param>
+      <param-name>configPath</param-name>
+      <param-value>gitiles.config</param-value>
+    </init-param>
+  </servlet>
+
+  <servlet-mapping>
+    <servlet-name>default</servlet-name>
+    <url-pattern>/+static/*</url-pattern>
+  </servlet-mapping>
+
+  <servlet-mapping>
+    <servlet-name>gitiles</servlet-name>
+    <url-pattern>/*</url-pattern>
+  </servlet-mapping>
+</web-app>