validate_rbenv_gemset_caches.sh

#!/usr/bin/env sh

if ! which md5sum > /dev/null; then
  echo Install md5sum
  exit 1
fi

if ! which curl > /dev/null; then
  echo Install curl
  exit 1
fi

echo This will take a while...

for gem in ~/.rbenv/versions/*/gemsets/*/cache/*.gem ; do
  gemfile=$(basename $gem)

  local=$(md5sum $gem | awk '{print $1}')
  remote=$(curl -s -D - -X HEAD -H 'Connection:close' http://production.cf.rubygems.org/gems/$gemfile | grep 'ETag' | cut -d '"' -f 2)

  if [[ ! $local = $remote ]]; then
    echo FAIL: $gem mismatch. local: $local, remote: $remote
  else
    echo OK: $gem
  fi
done

echo All done.