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path: root/scripts/libmakepkg/lint_pkgbuild/variable.sh.in
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#!/bin/bash
#
#   variable.sh - Check that variables are or are not arrays as appropriate
#
#   Copyright (c) 2014-2016 Pacman Development Team <pacman-dev@archlinux.org>
#
#   This program 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 program 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 program.  If not, see <http://www.gnu.org/licenses/>.
#

[[ -n "$LIBMAKEPKG_LINT_PKGBUILD_VARIABLE_SH" ]] && return
LIBMAKEPKG_LINT_PKGBUILD_VARIABLE_SH=1

LIBRARY=${LIBRARY:-'@libmakepkgdir@'}

source "$LIBRARY/util/message.sh"
source "$LIBRARY/util/pkgbuild.sh"

lint_pkgbuild_functions+=('lint_variable')


lint_variable() {
        # TODO: refactor - similar arrays are used elsewhere
        local array=(arch backup checkdepends groups license noextract options
                     validpgpkeys)
        local arch_array=(conflicts depends makedepends md5sums optdepends provides
                          replaces sha1sums sha256sums sha384sums sha512sums source)
        local string=(changelog epoch install pkgdesc pkgrel pkgver url)

        local i a v pkg keys out bad ret=0

        # global variables
        for i in ${array[@]} ${arch_array[@]}; do
                eval "keys=(\"\${!$i[@]}\")"
                if (( ${#keys[*]} > 0 )); then
                                if [[ "$(declare -p $i)" != "declare -a "* ]]; then
                                error "$(gettext "%s should be an array")" "$i"
                                ret=1
                        fi
                fi
        done

        for a in ${arch[@]}; do
                [[ $a == "any" ]] && continue

                for i in ${arch_array[@]}; do
                        v="${i}_${a}"
                        eval "keys=(\"\${!${v}[@]}\")"
                        if (( ${#keys[*]} > 0 )); then
                                if [[ "$(declare -p $i)" != "declare -a "* ]]; then
                                        error "$(gettext "%s_%s should be an array")" "$i" "$a"
                                        ret=1
                                fi
                        fi
                done
        done

        for i in ${string[@]}; do
                eval "keys=(\"\${!$i[@]}\")"
                if (( ${#keys[*]} > 0 )); then
                        if [[ "$(declare -p $i)" == "declare -a "* ]]; then
                                error "$(gettext "%s should not be an array")" "$i"
                                ret=1
                        fi
                fi
        done

        # package function variables
        for pkg in ${pkgname[@]}; do
                for i in ${array[@]} ${arch_array[@]}; do
                        if extract_function_variable "package_$pkg" $i 0 out; then
                                error "$(gettext "%s should be an array")" "$i"
                                ret=1
                        fi
                done

                for a in ${arch[@]}; do
                        [[ $a == "any" ]] && continue

                        for i in ${arch_array[@]}; do
                                if extract_function_variable "package_$pkg" "${i}_${a}" 0 out; then
                                        error "$(gettext "%s_%s should be an array")" "$i" "$a"
                                        ret=1
                                fi
                        done
                done

                for i in ${string[@]}; do
                        if extract_function_variable "package_$pkg" $i 1 out; then
                                error "$(gettext "%s should not be an array")" "$i"
                                ret=1
                        fi
                done
        done

        return $ret
}