rename2() {
    MODULE=$1
    # rename directories
    for dir in $(find . -type d -name "*${MODULE}2*" -not -path "./.git/*"); do
        new_dir=$(echo "${dir}" | sed "s/${MODULE}2/${MODULE}/g")
        if [ -d "${new_dir}" ]; then
            git mv "${dir}"/* "${new_dir}"/
        else
            git mv "${dir}" "${new_dir}"
        fi
    done
    # rename files
    for file in $(find . -type f -name "*${MODULE}2*" -not -path "./.git/*"); do
        new_file=$(echo "${file}" | sed "s/${MODULE}2/${MODULE}/g")
        git mv "${file}" "${new_file}"
    done
    # change name in files
    git grep --name-only -i "${MODULE}2" | xargs sed -i "s/\(${MODULE}\)2/\1/gI"
    # first (temporary) commit
    git commit -am "gnrc_${MODULE}2: rename to gnrc_${MODULE}"
    # fix formatting (for the most part)
    uncrustify -c uncrustify-riot.cfg -l C --no-backup \
        $(git diff --name-only --diff-filter="ACMR" HEAD~1 -- *.c *.h)
    # the tedious part of stepping through (mostly false positive or unrelated)
    # uncrustify output
    git add -p
    # append changes to commit
    git commit --amend
    # reset rest
    git checkout -f
}

# create new CCN-lite patch ;-)
rename2 netif
rename2 ndp