From cbe33ccced13af6c0c3b1e74f32b7a45f925e85d Mon Sep 17 00:00:00 2001
From: Carl Mastrangelo <notcarl@google.com>
Date: Mon, 21 May 2018 13:00:13 -0700
Subject: [PATCH 1/4] Add GA tracking modifier

---
 tools/doc/addga.sh | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100755 tools/doc/addga.sh

diff --git a/tools/doc/addga.sh b/tools/doc/addga.sh
new file mode 100755
index 00000000000..0ff55f3fb73
--- /dev/null
+++ b/tools/doc/addga.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+# Copyright 2018 The gRPC Authors
+#
+# 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.
+
+set -exu -o pipefail
+
+# This script finds all html files in the current directory, and adds the
+# GA tracking snippet to them.
+
+read -r -d '' SNIPPET << EOF
+<script type="text/javascript">
+    (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+    (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+    m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+    })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+
+    ga('create', 'UA-60127042-1', 'auto');
+    ga('send', 'pageview');
+</script>
+EOF
+
+S="$(echo -n $SNIPPET | tr '\n' ' ')"
+
+for M in $(find -name \*.html);
+do
+  grep -q "i,s,o,g,r,a,m" "$M"
+  if [[ $? -ne 0 ]]; then
+    sed -i "s_</head>_${S}</head>_" "$M"
+  fi
+done;

From 7de5cdb3416a9a870485feca8412437c6aa1de1d Mon Sep 17 00:00:00 2001
From: Carl Mastrangelo <notcarl@google.com>
Date: Mon, 21 May 2018 13:19:05 -0700
Subject: [PATCH 2/4] make ga adder less stingy

---
 tools/doc/addga.sh | 2 --
 1 file changed, 2 deletions(-)

diff --git a/tools/doc/addga.sh b/tools/doc/addga.sh
index 0ff55f3fb73..ecff7196048 100755
--- a/tools/doc/addga.sh
+++ b/tools/doc/addga.sh
@@ -13,8 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-set -exu -o pipefail
-
 # This script finds all html files in the current directory, and adds the
 # GA tracking snippet to them.
 

From a613f2f53763f469335209c16e54551f7a20d92f Mon Sep 17 00:00:00 2001
From: Carl Mastrangelo <notcarl@google.com>
Date: Mon, 21 May 2018 16:59:35 -0700
Subject: [PATCH 3/4] Move script

---
 tools/{doc/addga.sh => api_reference/add_google_analytics.sh} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename tools/{doc/addga.sh => api_reference/add_google_analytics.sh} (100%)

diff --git a/tools/doc/addga.sh b/tools/api_reference/add_google_analytics.sh
similarity index 100%
rename from tools/doc/addga.sh
rename to tools/api_reference/add_google_analytics.sh

From a5433ddcfbc533debf34085181a840dd7d15f89b Mon Sep 17 00:00:00 2001
From: Carl Mastrangelo <notcarl@google.com>
Date: Mon, 21 May 2018 18:23:09 -0700
Subject: [PATCH 4/4] shellcheck

---
 tools/api_reference/add_google_analytics.sh | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/tools/api_reference/add_google_analytics.sh b/tools/api_reference/add_google_analytics.sh
index ecff7196048..14549b79c9a 100755
--- a/tools/api_reference/add_google_analytics.sh
+++ b/tools/api_reference/add_google_analytics.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Copyright 2018 The gRPC Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -28,12 +28,13 @@ read -r -d '' SNIPPET << EOF
 </script>
 EOF
 
-S="$(echo -n $SNIPPET | tr '\n' ' ')"
+S=$(echo -n "$SNIPPET" | tr '\n' ' ')
 
-for M in $(find -name \*.html);
+while IFS= read -r -d '' M
 do
-  grep -q "i,s,o,g,r,a,m" "$M"
-  if [[ $? -ne 0 ]]; then
+  if grep -q "i,s,o,g,r,a,m" "$M"; then
+    :
+  else
     sed -i "s_</head>_${S}</head>_" "$M"
   fi
-done;
+done < <(find . -name \*.html -print0)