/etc/environment: ubuntu 12 vs 14

gistfile1.txt

Ubuntu 12:
testuser@ubuntu12:~$ grep http_proxy /etc/environment 
http_proxy="http://foo.example.com:8080"

testuser@ubuntu12:~$ sudo su - -c env |grep http_proxy
http_proxy=http://foo.example.com:8080
testuser@ubuntu12:~$ sudo env |grep http_proxy
http_proxy=http://foo.example.com:8080
testuser@ubuntu12:~$ env |grep http_proxy
http_proxy=http://foo.example.com:8080


Ubuntu 14:
testuser@ubuntu14:~$ grep http_proxy /etc/environment 
http_proxy="http://foo.example.com:8080"

testuser@ubuntu14:~$ sudo su - -c env |grep http_proxy
http_proxy=http://foo.example.com:8080
testuser@ubuntu14:~$ sudo env |grep http_proxy
testuser@ubuntu14:~$ env |grep http_proxy
http_proxy=http://foo.example.com:8080