An interactive Git pre-push hook to prevent submission of FIXME tags, unless acknowledged.

pre-push

#!/usr/bin/env bash

matches=$(git diff HEAD~1 HEAD | grep -E '\+.*?FIXME')

if [ "$matches" != "" ]; then
  echo >&2 "A 'FIXME' tag has been detected.  Please fix all 'FIXME' tags before committing."
  echo >&2 ""
  echo >&2 "Matching FIXME:"
  echo >&2 "${matches}"
  echo >&2 ""
  echo >&2 "Type 'FIXME' if you would like to commit anyway, otherwise press any key:"
  exec < /dev/tty
  read -p "(FIXME|any key)>: " ack
  if [ "${ack}" != "FIXME" ]; then
    echo >&2 "Exiting...  Please fix any 'FIXME' tags and resubmit." && exit 1
  fi
  echo "Ignoring 'FIXME' and pushing anyway"
  exec <&-
fi

Found this on google. Thanks for making things public =)

Note, though that this only checks the previous commit.
I.e. if you commit changes that include FIXME and then commit another patch without any FIXME tags, this hook will let you push.

Replace git diff HEAD~1 HEAD with git diff @{push} @ to check all commits that would be pushed instead of just the most recent one.