#!/bin/bash
# Copyright 2014, 2016 Luke Shumaker <lukeshu@sbcglobal.net>.
# Copyright 2015 Márcio Alexandre Silva Delgado <coadde@parabola.nu>.
#
# This is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this manual; if not, see
# <http://www.gnu.org/licenses/>.

. libremessages

mydir="$(dirname "$0")"
PATH="$mydir:$PATH"

check-yaml() {
	file=$1
	msg 'Inspecting %q' "$file"
	norm=$(mktemp --tmpdir)
	trap "rm -f -- $(printf '%q' "$norm")" RETURN
	meta-normalize-stdio < "$file" > "$norm" || return $?
	colordiff -u "$file" "$norm" || return $?
}

main() {
	declare -i ret=0

	yamldir="$(ruby -e "load '$mydir/common.rb'; print cfg['yamldir']")"

	# Check the user YAML files
	for file in "$yamldir"/*.yml; do
		check-yaml "$file" || ret=$?
	done

	msg 'Checking for duplicate usernames'
	dups=($(sed -n 's/^username: //p' -- "$yamldir"/*.yml| sort | uniq -d))
	if (( ${#dups[@]} )); then
	    error 'Duplicate usernames:'
	    plain '%s' "${dups[@]}"
	    ret=1
	fi

	msg 'Checking PGP keys'
	if pgp-list-keyids | grep -Ev '^(trusted|secondary|revoked)/[a-z][a-z0-9-]* [0-9A-F]{40}$'; then
	    error 'Bad pgp keys ^^^'
	    ret=1
	fi

	return $ret
}

main "$@"