christopher@nightshade ~$ guix challenge ugrep
/gnu/store/a6x7rv7xi3d2pw205znmnha9qfjrvs7k-ugrep-3.1.12 contents differ:
  local hash: 1yf9752hprihmhwnqlhaffkmwmkd3scwzr8dqy7d78vcy70qjkn6
  https://ci.guix.gnu.org/nar/lzip/a6x7rv7xi3d2pw205znmnha9qfjrvs7k-ugrep-3.1.12: 1ifdjmscb07pacxwcs2408zi12yrxxf0zdwzz800xlccp5x53m7r
  differing file:
    /bin/ugrep

1 store items were analyzed:
  - 0 (0.0%) were identical
  - 1 (100.0%) differed
  - 0 (0.0%) were inconclusive

-- 
Christopher Howard
blog: https://librehacker.com
social: https://gnusocial.club/librehacker