Ticket #50776: locale_select-1.0.tcl

# -*- coding: utf-8; mode: tcl; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; truncate-lines: t -*- vim:fenc=utf-8:et:sw=4:ts=4:sts=4
# $Id: kf5-1.0.tcl 134210 2015-03-20 06:40:18Z mk@macports.org $

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# Usage:
# PortGroup     locale_select 1.0

# provide a configurable variant to install only the translations (locale files) of interest
# the selection is made in ${prefix}/etc/macports/locales.tcl (which should really become locales.conf);
# a template is provided in `port dir K5rameworks` .
variant langselect description "prune translations from ${prefix}/share/locale, leaving only those\
                                specified in ${prefix}/etc/macports/locales.tcl" {
    post-destroot {
        if {[file exists ${prefix}/etc/macports/locales.tcl] && [file exists ${destroot}${prefix}/share/locale]} {
            if {[catch {source "${prefix}/etc/macports/locales.tcl"} err]} {
                ui_error "Error reading ${prefix}/etc/macports/locales.tcl: $err"
                return -code error "Error reading ${prefix}/etc/macports/locales.tcl"
            }
        }
        if {[info exists keep_languages]} {
            foreach l [glob -nocomplain ${destroot}${prefix}/share/locale/*] {
                set lang [file tail ${l}]
                if {[lsearch -exact ${keep_languages} ${lang}] eq "-1"} {
                    ui_info "rm ${l}"
                    file delete -force ${l}
                } else {
                    ui_debug "won't delete ${l} (${lang})"
                }
            }
        }
    }
}