Bash Completion Scripts

_aurvote

# Written: Ashhar Hasan (hashhar_dev at outlook dot com) on 13 April 2017

_cache_file="${XDG_CACHE_HOME:=~/.cache}/aurvote/packages.gz"

# If cache file is older than a week or doesn't exist yet, update it.
_setup_cache()
{
    local last_update=1
    [ -e "${_cache_file}" ] && last_update=$(stat -c %Y "${_cache_file}")
    # Compare the epoch times of existing file and current date.
    if (( $(date +%s) > last_update + 604800 )); then
        # Download without any output, timeout early and create destination.
        curl --create-dirs --connect-timeout 5 -s https://aur.archlinux.org/packages.gz -o "${_cache_file}"
    fi
}

_aurvote()
{
    local cur="${COMP_WORDS[COMP_CWORD]}"
    local prev="${COMP_WORDS[COMP_CWORD-1]}"
    local opts='-V --version -h --help -c --check -v --vote -u --unvote --configure'
    COMPREPLY=()
    _setup_cache
    case "${prev}" in
        -c|--check|-v|--vote|-u|--unvote)
            # The tail +2 is there to exclude the comment at the start of file
            local aur_pkgs=$(gzip -cd ${_cache_file} | tail +2 | sort )
            COMPREPLY=( $(compgen -W "${aur_pkgs}" -- "${cur}") )
            return 0
            ;;
    esac
    COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
    return 0
}

complete -F _aurvote aurvote

# vim: et sts=4 ts=4 sw=4