Direnv Prune Allow List

direnv_prune.sh

# removes direnv allow entries which point to nonexistent .envrc files
# or where the hash of the envrc does not match
direnv_prune () {
        for entry in ~/.local/share/direnv/allow/*
        do
                local file=$(cat $entry)
                if [ ! -f $file ]
                then
                        rm $entry
                else
                        local hash=$( (echo $file && cat $file) | shasum -a 256 | awk '{print $1 }')
                        local that=$(basename $entry)
                        if [ ! "${hash}" = "${that}" ]
                        then
                                rm $entry
                        fi
                fi
        done
}