test github pages deploy script

Author: Purvi Kanal

.circleci/config.yml

@@ -4,6 +4,9 @@ executors:
   node_executor:
     docker:
       - image: circleci/node:8
+    environment:
+      - SOURCE_BRANCH: master
+      - TARGET_BRANCH: gh-pages
 jobs:
   build:
     executor: node_executor
@@ -42,10 +45,7 @@ jobs:
           command: yarn build
       - run:
           name: Deploying to GitHub Pages
-          command: |
-            git config --global user.email $GH_EMAIL
-            git config --global user.name $GH_NAME
-            yarn deploy
+          command: ./scripts/deploy.sh
 
 workflows:
   version: 2

scripts/deploy.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+git config --global user.email $GH_EMAIL
+git config --global user.name $GH_NAME
+
+git clone $CIRCLE_REPOSITORY_URL out
+
+cd out
+git checkout $TARGET_BRANCH || git checkout --orphan $TARGET_BRANCH
+git rm -rf .
+cd ..
+
+yarn build
+
+cp -a build/. out/.
+
+mkdir -p out/.circleci && cp -a .circleci/. out/.circleci/.
+cd out
+
+git add -A
+git commit -m "Automated deployment to GitHub Pages: ${CIRCLE_SHA1}" --allow-empty
+
+git push origin $TARGET_BRANCH

src/presentation.js

@@ -2,7 +2,7 @@
 import React from 'react';
 import { Deck } from 'spectacle';
 import createTheme from 'spectacle/lib/themes/default';
-import { colours, fontFamilies, progress } from './theme';
+import { colours, fontFamilies } from './theme';
 import { BrowserRouter as Router, Route, Link } from 'react-router-dom';
 import {
   functionsSlideList,