Make git diff ignore whitespace and don't try to open jpgs and shit

.gitconfig

# this can be put in [repo]/.git/config for local settings 
# or ~/.gitconfig for global settings

# create a difftool "nodiff" that just returns true
# this path is for Mac. On linux it's /bin/true i guess

[diff "nodiff"]
    command = /usr/bin/true

# make git ignore white space differences, many different possibilites here
# check http://www.kernel.org/pub/software/scm/git/docs/git-config.html#_variables

[core]
    whitespace = -trailing-space,-indent-with-non-tab,-tab-in-indent

attributes

# place this text in [repo]/.git/info/attributes

# image files
*.png  diff=nodiff
*.jpg  diff=nodiff
*.gif  diff=nodiff

# webfonts
*.ttf  diff=nodiff
*.woff diff=nodiff
*.eot  diff=nodiff
*.svg  diff=nodiff

#flash
*.swf  diff=nodiff
*.fla  diff=nodiff

# movie files
*.m4v  diff=nodiff
*.flv  diff=nodiff
*.ogv  diff=nodiff
*.webm diff=nodiff
*.mp4  diff=nodiff