Install bats

installation.md

$ add-apt-repository ppa:duggan/bats --yes
gpg: keyring `/tmp/tmp_ijpu6ti/secring.gpg' created
gpg: keyring `/tmp/tmp_ijpu6ti/pubring.gpg' created
gpg: requesting key 5F28EA3F from hkp server keyserver.ubuntu.com
gpg: /tmp/tmp_ijpu6ti/trustdb.gpg: trustdb created
gpg: key 5F28EA3F: public key "Launchpad PPA for Ross Duggan" imported
gpg: Total number processed: 1
gpg:               imported: 1  (RSA: 1)
OK
$ apt-get update -qq
$ apt-get install -qq bats
Selecting previously unselected package bats.
(Reading database ... 293504 files and directories currently installed.)
Preparing to unpack .../bats_0.4.0+20140814~ubuntu14.04.1_amd64.deb ...
Unpacking bats (0.4.0+20140814~ubuntu14.04.1) ...
Processing triggers for man-db (2.6.7.1-1) ...
Setting up bats (0.4.0+20140814~ubuntu14.04.1) ...
$ type bats
bats is /usr/bin/bats