modify modules/yarn.lock

.gitmodules

@@ -1,16 +1,12 @@
 [submodule "fontawesome"]
 	path = packages/react-icons/src/icons/fontawesome
 	url = https://github.com/FortAwesome/Font-Awesome.git
-	shallow = true
 [submodule "material-design-icons"]
 	path = packages/react-icons/src/icons/material-design-icons
 	url = https://github.com/google/material-design-icons.git
-	shallow = true
 [submodule "typicons"]
 	path = packages/react-icons/src/icons/typicons
 	url = https://github.com/stephenhutchings/typicons.font.git
-	shallow = true
 [submodule "ionicons"]
 	path = packages/react-icons/src/icons/ionicons
 	url = https://github.com/ionic-team/ionicons.git
-	shallow = true

.travis.yml

@@ -7,12 +7,11 @@ git:
   submodules: false
 cache:
   yarn: true
-  directories:
-    - .git/modules
 
 install:
-  - yarn
+  - git submodule init
   - yarn submodule
+  - yarn
 jobs:
   include:
     - stage: build packages

package.json

@@ -21,7 +21,7 @@
   },
   "scripts": {
     "submodule": "git submodule update --init --recursive",
-    "submodule-deinit": "git submodule deinit",
+    "submodule-deinit": "git submodule deinit --all",
     "netlify": "netlify",
     "lint": "node ./node_modules/eslint/bin/eslint.js ."
   }

packages/demo/package.json

@@ -6,7 +6,7 @@
     "react": "^16.3.2",
     "react-dom": "^16.3.2",
     "react-scripts": "1.1.4",
-    "react-icons": "*"
+    "react-icons": "3.0.0-beta.1"
   },
   "scripts": {
     "start": "react-scripts start",