mitchellh/packer — pull request #1420 by msabramo (2014-08-15 18:31:30+00:00)
Title: Add .editorconfig to specify preferred style

http://editorconfig.org/

Added this, because packer Golang files use tabs for indentation and my editor (Vim) is set to use spaces by default and I keep forgetting to change it to use tabs and then I have to reformat before I submit my changes.