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# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
from spack import *
class Ack(Package):
"""ack 2.14 is a tool like grep, optimized for programmers.
Designed for programmers with large heterogeneous trees of
source code, ack is written purely in portable Perl 5 and takes
advantage of the power of Perl's regular expressions."""
homepage = "http://beyondgrep.com/"
url = "http://beyondgrep.com/ack-2.14-single-file"
version('2.22', 'eea9d4daef7c262751f15ca9b3b70317', expand=False)
version('2.18', 'e8ebfd7a7ec8476bffd4686bf7b14fd7', expand=False)
version('2.16', '7085b5a5c76fda43ff049410870c8535', expand=False)
version('2.14', 'e74150a1609d28a70b450ef9cc2ed56b', expand=False)
depends_on('perl')
def install(self, spec, prefix):
mkdirp(prefix.bin)
ack = 'ack-{0}-single-file'.format(self.version)
# rewrite the script's #! line to call the perl dependency
shbang = '#!' + spec['perl'].command.path
filter_file(r'^#!/usr/bin/env perl', shbang, ack)
install(ack, join_path(prefix.bin, "ack"))
set_executable(join_path(prefix.bin, "ack"))
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