_zypper

#compdef zypper
#
# zsh completion for 'zypper' package manager (openSuse)
#
# Copyright (C) 2013 Mattis Michel <sic_zer0@hotmail.com>
#

_zypper() {
	if (( CURRENT > 2 )); then
		local cmd=${words[2]}
		case "$cmd" in
			'install') _zypper_all ;;
			'in') _zypper_all ;;
			'info') _zypper_all ;;
			'if') _zypper_all ;;
			'search') _zypper_all ;;
			'se') _zypper_all ;;
			'update') _zypper_installed ;;
			'up') _zypper_installed ;;
			'remove') _zypper_installed ;;
			'rm') _zypper_installed ;;
		esac
	else
		compadd install info remove search
	fi
}

_zypper_all() {
	local update=0
	typeset -gA _zyppercomp_repodates # global
	for d in /var/cache/zypp/raw/*; do
		local pkgs=$d/suse/setup/descr/packages.gz;
		if [[ -e $pkgs ]]; then
			local newdate=`stat -c "%Z" $pkgs`
			if [[ "$_zyppercomp_repodates[$pkgs]" != "$newdate" ]]; then
				_zyppercomp_repodates[$pkgs]="$newdate"
				update=1
			fi
		fi
		for f in $d/repodata/*primary.xml.gz; do
			local newdate=`stat -c "%Z" $f`
			if [[ "$_zyppercomp_repodates[$f]" != "$newdate" ]]; then
				_zyppercomp_repodates[$f]="$newdate"
				update=1
			fi
		done
	done
	if (( update == 1 )); then
		_zypper_update_repos
	fi
	compadd $(echo $_zyppercomp_packages)
}

_zypper_installed() {
	local newdate=`stat -c "%Z" /var/lib/rpm/Packages`
	if [[ "$_zyppercomp_rpm_date" != "$newdate" ]]; then
		_zyppercomp_rpm_list=`rpm -qa` # global
		_zyppercomp_rpm_date="$newdate" # global
	fi
	compadd $(echo $_zyppercomp_rpm_list)
}

_zypper_update_repos() {
	local packages
	for d in /var/cache/zypp/raw/*; do
		local pkgs=$d/suse/setup/descr/packages.gz;
		if [[ -e $pkgs ]]; then
			packages=($packages `gunzip -c $pkgs | sed -n 's/^=Pkg:\s\s*\([^ ]*\).*$/\1/p'`)
		fi
		for f in $d/repodata/*primary.xml.gz; do
			packages=($packages `gunzip -c $f | sed -n 's/.*<name>\(.*\)<\/name>.*/\1/p'`)
		done
	done
	_zyppercomp_packages=$packages # global
}