feat(build): add script to snapshot docs site

run snapshot script on travis
enforce token for github access
snapshot only commits to master
rename snapshot to HEAD

Closes #2852.

scripts/snapshot-docs-site.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+ARG_DEFS=(
+  "--version=(.*)"
+)
+
+function run {
+  cd ../
+
+  echo "-- Building docs site release..."
+  rm -rf dist
+  gulp docs --release
+
+  echo "-- Cloning code.material.angularjs.org..."
+  rm -rf code.material.angularjs.org
+  git clone https://angular:$GH_TOKEN@github.com/angular/code.material.angularjs.org.git --depth=1
+
+  echo "-- Remove previous snapshot..."
+  rm -rf code.material.angularjs.org/HEAD
+
+  echo "-- Copying docs site to snapshot..."
+  cp -Rf dist/docs code.material.angularjs.org/HEAD
+
+  cd code.material.angularjs.org
+
+  echo "-- Commiting snapshot..."
+  git add -A
+  git commit -m "snapshot: $VERSION"
+
+  echo "-- Pushing snapshot..."
+  git push -q origin master
+
+  cd ../
+
+  echo "-- Cleanup..."
+  rm -rf code.material.angularjs.org
+
+  echo "-- Successfully pushed the snapshot to angular/code.material.angularjs.org!!"
+}
+
+source $(dirname $0)/utils.inc

scripts/travis-build-init.sh

@@ -1,4 +1,4 @@
-#!/bin/bash 
+#!/bin/bash
 
 ARG_DEFS=(
   "--sha=(.*)"
@@ -22,6 +22,7 @@ function run {
   NEW_VERSION="$(readJsonProp "package.json" "version")-master-$(echo $SHA | head -c 7)"
 
   ./scripts/bower-material-release.sh --version=$NEW_VERSION
+  ./scripts/snapshot-docs-site.sh --version=$NEW_VERSION
 }
 
 source $(dirname $0)/utils.inc