Checks for invalid/obsolete keywords in Gentoo Portage's packages.accept_keywords files

check-keywords

#!/bin/bash
#
# Author: Gary Macindoe
# Date: May 2013

files="/etc/portage/package.accept_keywords /etc/portage/package.keywords"
fs=""
for f in ${files}
  do
  if [ -d "${f}" ]
    then
    fs+="${f}/*"
  fi
done
files="${fs}"

for file in ${files}
  do
  echo -e "\E[1;33;40m${file}:"
  grep -Ev '^[ \t]*#|^$' ${file} | while read atom keywords
    do
    packages="$(equery -q l ${atom} 2>/dev/null)"
    if [ $? -ne 0 ]
      then
      echo -e "\E[0;31;40mNo package installed matching ${atom}"
    fi
    for package in ${packages}
      do
      keyword="$(equery -q --no-color l ${package} -F\$mask2 2>/dev/null)"
      if [ $? -ne 0 ]
        then
        echo -e "\E[0;31;40mUnable to find keyword for ${package} (most likely the ebuild has been removed)"
      else
        echo -ne "  \E[0;36;40m$(echo ${atom} | cut -d'/' -f1)/\E[0;32;40m$(echo ${atom} | cut -d'/' -f2)"
        for k in ${keywords}
          do
          if [ "${k}" = "${keyword}" ]
            then
            echo -e " \E[1;32;40m${k}"
          else
            echo -e " \E[1;31;40m${k}"
          fi
        done
      fi
    done
  done
done

echo -e "\E[0m"