/usr/share/vim/addons/indent
Edit: /usr/share/vim/addons/indent/nginx.vim (250B)
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
setlocal indentexpr=
" cindent actually works for nginx' simple file structure
setlocal cindent
" Just make sure that the comments are not reset as defs would be.
setlocal cinkeys-=0#