~~ lineWidth: 50 ~~
== should format ==
ENV   MY_NAME="John Doe"
ENV   MY_CAT=fluffy    Test=asdf
ENV    MY_NAME="John Doe"   MY_DOG=RexTheDog \
     MY_CAT=fluffy

[expect]
ENV MY_NAME="John Doe"
ENV MY_CAT=fluffy Test=asdf
ENV MY_NAME="John Doe" \
    MY_DOG=RexTheDog \
    MY_CAT=fluffy

== should add an equals sign when missing ==
ENV TEST /test-dir

[expect]
ENV TEST=/test-dir

== should add quotes around env vars values with spaces ==
# see https://docs.docker.com/engine/reference/builder/#env
ENV ONE TWO=    THREE=world
ENV ONE=TWO\=THREE\=world

[expect]
# see https://docs.docker.com/engine/reference/builder/#env
ENV ONE="TWO=    THREE=world"
ENV ONE=TWO\=THREE\=world