# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
# portuninstall.tcl
# $Id$
#
# Copyright (c) 2010-2011 The MacPorts Project
# All rights reserved.
#
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# modification, are permitted provided that the following conditions
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# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
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#    documentation and/or other materials provided with the distribution.
# 3. Neither the name of The MacPorts Project nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# POSSIBILITY OF SUCH DAMAGE.
#

# the 'uninstall' target is provided by this package

package provide portuninstall 1.0
package require portutil 1.0

set org.macports.uninstall [target_new org.macports.uninstall portuninstall::uninstall_main]
target_runtype ${org.macports.uninstall} always
target_state ${org.macports.uninstall} no
target_provides ${org.macports.uninstall} uninstall
target_requires ${org.macports.uninstall} main
target_prerun ${org.macports.uninstall} portuninstall::uninstall_start

namespace eval portuninstall {
}

options uninstall.asroot
default uninstall.asroot no

proc portuninstall::uninstall_start {args} {
    global prefix
    if {![file writable $prefix] || ([getuid] == 0 && [geteuid] != 0)} {
        # if install location is not writable, need root privileges
        elevateToRoot "uninstall"
    }
}

proc portuninstall::uninstall_main {args} {
    global subport version revision portvariants user_options
    registry_uninstall $subport $version $revision $portvariants [array get user_options]
    return 0
}