#!/bin/sh -e
# -*- mode: Shell-script; tab-width: 8; fill-column: 70; -*- 
# $Id: S00firefox.common.langs.sh,v 0.0.1 2005/08/26 14:54:08 legion Exp $ 

PROG="${0##*/}"
extensions_dir="@firefox_extensionsdir@"

# Requires: PROG
error() {
    printf %s\\n "$PROG: ERROR: $*" >&2
    exit 1
}

[ -d "${HOME}/${MOZ_PIS_USER_DIR}" ] || error "not directory: ${HOME}/${MOZ_PIS_USER_DIR}"
[ -d "$extensions_dir" ] || error "not directory: $extensions_dir"

# Requires: extensions_dir, HOME, MOZ_PIS_USER_DIR
register_user_language() {
    local prefs_js user_lang_file cid register_done user_language

    find "${HOME}/${MOZ_PIS_USER_DIR}" -mindepth 1 -maxdepth 1 -type f -name 'firefox\.lang\.*' |
    while read user_lang_file; do
	cid=
	register_done=
	user_language=
    
	. "$user_lang_file"

	[ -n "$cid" -a -n "$user_language" ] || continue

	if ! fgrep -sq "urn:mozilla:extension:$cid" "$extensions_dir/Extensions.rdf"; then
	    find "${HOME}/${MOZ_PIS_USER_DIR}" -mindepth 2 -maxdepth 2 -type f -name 'prefs.js' |
		xargs -r subst "/^user_pref(\"general.useragent.locale\", \"$user_language\");/d" --
	    rm -f "$user_lang_file"
	    continue
        fi
    
	[ -z "$register_done" ] || continue

        find "${HOME}/${MOZ_PIS_USER_DIR}" -mindepth 2 -maxdepth 2 -type f -name 'prefs.js' |
	while read prefs_js; do
	    if ! grep -sqG '^user_pref("general\.useragent\.locale",' "$prefs_js"; then
		printf 'user_pref("general.useragent.locale", "%s");\n' "$user_language" >> "$prefs_js"
	    fi
	done
	echo "register_done=1" >> "$user_lang_file"
    done
}

register_user_language