step1、install Xcode

step2、install xcpkg

step3、update xcpkg-formula-repository

xcpkg update

step4、build and install diffutils

xcpkg install diffutils

xcpkg formula view diffutils

{{ formula }}

if the formula of diffutils dosn't meet your needs, you can edit it ⤵︎

xcpkg formula edit diffutils

after editing, you may want to rebuild this package ⤵︎

xcpkg install diffutils