prezto/modules/utility/functions/diff

#
# Highlights diff output.
#
# Authors:
#   Sorin Ionescu <sorin.ionescu@gmail.com>
#

# function diff {

if zstyle -t ':prezto:module:utility:diff' color \
      && (( $+commands[colordiff] )); then
  command diff "$@" | colordiff
else
  command diff "$@"
fi

# }