#!/bin/zsh
zparseopts -D -E -help=help h=help -update=update u=update

CACHE_FILE="${XDG_CACHE_HOME:-$HOME/.cache}/dtexdoc.list"
SOURCES_FILE="${XDG_CONFIG_HOME:-$HOME/.config}/dmtexdoc/sources"

if [[ -n "$help" ]]; then
	echo "Usage: $0 [-u|--update]"
	exit 1
fi

if [[ -n "$update" || ! -e "$CACHE_FILE" ]]; then
	find -L ${$(which texdoc):h:h:h}/texmf-dist/doc/ "${(@f)$(<$SOURCES_FILE)}" \
		-iname '*.pdf' -printf "%f\n" \
		| sed -e 's/\..*//' | sort | uniq > $CACHE_FILE
fi
texdoc $(dmenu < $CACHE_FILE)