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##############################################################################
# Copyright (c) 2013, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/llnl/spack
# Please also see the LICENSE file for our notice and the LGPL.
#
# 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) version 2.1 dated February 1999.
#
# 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 terms and
# conditions of the GNU General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
import sys
import argparse
import llnl.util.tty as tty
from llnl.util.tty.colify import colify
import spack
import spack.cmd
import spack.repository
from spack.cmd.find import display_specs
from spack.package import PackageStillNeededError
description="Remove an installed package"
def setup_parser(subparser):
subparser.add_argument(
'-f', '--force', action='store_true', dest='force',
help="Remove regardless of whether other packages depend on this one.")
subparser.add_argument(
'-a', '--all', action='store_true', dest='all',
help="USE CAREFULLY. Remove ALL installed packages that match each " +
"supplied spec. i.e., if you say uninstall libelf, ALL versions of " +
"libelf are uninstalled. This is both useful and dangerous, like rm -r.")
subparser.add_argument(
'packages', nargs=argparse.REMAINDER, help="specs of packages to uninstall")
def uninstall(parser, args):
if not args.packages:
tty.die("uninstall requires at least one package argument.")
with spack.installed_db.write_transaction():
specs = spack.cmd.parse_specs(args.packages)
# For each spec provided, make sure it refers to only one package.
# Fail and ask user to be unambiguous if it doesn't
pkgs = []
for spec in specs:
matching_specs = spack.installed_db.query(spec)
if not args.all and len(matching_specs) > 1:
tty.error("%s matches multiple packages:" % spec)
print
display_specs(matching_specs, long=True)
print
print "You can either:"
print " a) Use a more specific spec, or"
print " b) use spack uninstall -a to uninstall ALL matching specs."
sys.exit(1)
if len(matching_specs) == 0:
if args.force: continue
tty.die("%s does not match any installed packages." % spec)
for s in matching_specs:
try:
# should work if package is known to spack
pkgs.append(s.package)
except spack.repository.UnknownPackageError, e:
# The package.py file has gone away -- but still
# want to uninstall.
spack.Package(s).do_uninstall(force=True)
# Sort packages to be uninstalled by the number of installed dependents
# This ensures we do things in the right order
def num_installed_deps(pkg):
return len(pkg.installed_dependents)
pkgs.sort(key=num_installed_deps)
# Uninstall packages in order now.
for pkg in pkgs:
try:
pkg.do_uninstall(force=args.force)
except PackageStillNeededError, e:
tty.error("Will not uninstall %s" % e.spec.format("$_$@$%@$#", color=True))
print
print "The following packages depend on it:"
display_specs(e.dependents, long=True)
print
print "You can use spack uninstall -f to force this action."
sys.exit(1)
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