diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index 7b26be0..5c679ee 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -5,7 +5,11 @@ jobs:
   build:
     runs-on: macos-10.15
     steps:
-      - uses: action/checkout@v2
-      - name: one line script
-        run: echo 'Hello, world!'
+      - uses: actions/checkout@v2
+      - name: install dependencies
+        run: brew install shellcheck shfmt
+      - name: shellcheck
+        run: shellcheck bootstrap
+      - name: shfmt
+        run: shfmt -s -i 2 -bn -ci -sr -kp bootstrap
 
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 265c12b..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-language: bash
-os: osx
-before_script:
-- brew update
-- brew install shellcheck
-- brew install shunit2
-script:
-- shellcheck bootstrap
-- shellcheck macos-defaults
-#- echo "Europe/Paris ${TRAVIS_OS_NAME} macos-defaults y n" | sh bootstrap
-#- echo "Europe/Paris ${TRAVIS_OS_NAME} macos-defaults y y" | sh bootstrap
diff --git a/README.md b/README.md
index f42a417..43284d6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Mac Bootstrap [![Build Status](https://travis-ci.org/deild/mac-bootstrap.svg?branch=master)](https://travis-ci.org/deild/mac-bootstrap) [![MIT](https://img.shields.io/badge/license-MIT-BLUE)](LICENSE)
+# Mac Bootstrap ![shellcheck](https://github.com/deild/mac-bootstrap/workflows/shellcheck/badge.svg) [![MIT](https://img.shields.io/badge/license-MIT-BLUE)](LICENSE)
 
 > Your laptop is your sword. Don't go into battle without it.
 
diff --git a/bootstrap b/bootstrap
index d5da2dd..be72711 100644
--- a/bootstrap
+++ b/bootstrap
@@ -79,26 +79,26 @@ printf "Let's get some infos about your setup.\\n"
 
 printf "\\nEnter your desired time zone.
 To view available options run 'sudo systemsetup -listtimezones' in other terminal
-(Leave blank for default: %s)\\n>_ "  "$DEFAULT_TIME_ZONE"
-read TIME_ZONE
+ Leave blank for default: %s)\\n>_ "  "$DEFAULT_TIME_ZONE"
+read -r TIME_ZONE
 export TIME_ZONE=${TIME_ZONE:-$DEFAULT_TIME_ZONE}
 
 printf '\nEnter your desired computer name for your Mac. (Leave blank for default: %s)\n>_ '   "$ACTUAL_COMPUTER_NAME"
-read COMPUTER_NAME
+read -r COMPUTER_NAME
 export COMPUTER_NAME="${COMPUTER_NAME:-$ACTUAL_COMPUTER_NAME}"
 
 printf '\nEnter url for masOS defaults file. (Leave blank for default: %s)\n>_ '   "$MACOS_DEFAULT_URL"
-read MACOS_URL
+read -r MACOS_URL
 export MACOS_URL="${MACOS_URL:-$MACOS_DEFAULT_URL}"
 
 printf 'Do you want disable Gatekeeper? (Y/n) \n>_ '
-read REPLY
+read -r REPLY
 if [[ $REPLY =~ ^[Nn]$   ]]; then
   GATEKEEPER_DISABLE="No"
 fi
 
 printf '\nEnter a passphrase for generete ssh key. (Leave blank for default: %s)\n>_ '   "$DEFAULT_PASSPHRASE"
-read PASSPHRASE
+read -r PASSPHRASE
 export PASSPHRASE="${PASSPHRASE:-$DEFAULT_PASSPHRASE}"
 
 printf "\\nLooks good. Here's what we've got so far.\\n"
@@ -109,7 +109,7 @@ bootstrap_echo "macos defaults file:  [%s]" "$MACOS_URL"
 bootstrap_echo "Passphrase            [%s]" "$PASSPHRASE"
 printf '\n'
 printf "Continue? (y/N) \\n>_ "
-read REPLY
+read -r REPLY
 if [[ ! $REPLY =~ ^[Yy]$   ]]; then
   bootstrap_echo "Exit on demand"
   exit 0
@@ -314,7 +314,7 @@ brew cleanup -s --prune 1
 if ! command -v virtualbox; then
   if ! brew cask install virtualbox; then
     printf "Continue? (y/N) \\n>_ "
-    read REPLY
+    read -r REPLY
     if [[ ! $REPLY =~ ^[Yy]$   ]]; then
       bootstrap_echo "Exit on demand"
       exit 0