Merge pull request #163 from gmcclins/travis

travis-ci shellcheck test

.travis.yml

@@ -0,0 +1,12 @@
+sudo: required
+dist: trusty
+
+before_install:
+  - echo 'deb http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse' | sudo tee -a /etc/apt/sources.list
+  - sudo apt-get -qq update
+  - sudo apt-get install -y shellcheck
+
+git:
+  depth: 3
+
+script: ./shellcheck.sh

install.sh

@@ -7,7 +7,7 @@ _fetch_sources(){
     mkdir ~/.nano/
   fi
 
-  cd ~/.nano/
+  cd ~/.nano/ || exit
 
   unzip -o "/tmp/nanorc.zip"
   mv nanorc-master/* ./
@@ -22,9 +22,9 @@ _update_nanorc(){
   fi
 
   # add all includes from ~/.nano/nanorc if they're not already there
-  while read inc; do
+  while read -r inc; do
       if ! grep -q "$inc" "${NANORC_FILE}"; then
-          echo "$inc" >> $NANORC_FILE
+          echo "$inc" >> "$NANORC_FILE"
       fi
   done < ~/.nano/nanorc
 }

shellcheck.sh

@@ -0,0 +1,4 @@
+#!/bin/sh -ev
+# Shellcheck the script
+
+shellcheck install.sh