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#!@PERL@ -w
# -*- perl -*-
#
# $NetBSD: finddepends,v 1.3 2006/03/09 17:24:48 wiz Exp $
#
# Copyright (c) 2006 The NetBSD Foundation, Inc.
#
# This code was originally contributed to the NetBSD Foundation, Inc.
# by Thomas Klausner <wiz@NetBSD.org>.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 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
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name of author nor the names of its contributors may
# be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
# CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
use strict;
use Getopt::Std;
my ($PKGSRCDIR, $arg, $bl3, %bl3content, @bl3files, @bl3result,
$content, $found, $key, $makefile, @makefiles, %opt,
$pattern, @searchlist);
$PKGSRCDIR = $ENV{PKGSRCDIR};
if (! $PKGSRCDIR) {
$PKGSRCDIR = "/usr/pkgsrc";
}
sub usage {
print STDERR "usage: finddepends [-h] [-p pkgsrcdir] package\n\n";
print STDERR "Find all packages that depend on the argument package.\n";
exit 0;
}
getopts('hp:', \%opt);
usage() if $opt{h};
if ($opt{p}) {
$PKGSRCDIR = $opt{p};
}
usage if (1 ne @ARGV);
$arg = shift;
@searchlist = ();
push @searchlist, $arg;
if (! -d $PKGSRCDIR || ! -d "$PKGSRCDIR/doc" || ! -d "$PKGSRCDIR/mk") {
print STDERR "Invalid pkgsrc directory $PKGSRCDIR\n";
exit 1;
}
@bl3files = <$PKGSRCDIR/*/*/buildlink3.mk>;
%bl3content = ();
foreach $bl3 (@bl3files) {
open OUT, $bl3 or die "can't open $bl3";
$content = "";
while (<OUT>) {
chomp($_);
$content .= $_;
}
close OUT;
$bl3content{$bl3} = $content;
}
@bl3result = ();
while ($pattern = pop @searchlist) {
# print "* Looking for $pattern\n";
for $key (keys %bl3content) {
# print "searching $key ($bl3content{$key})\n\n";
if ($bl3content{$key} =~ m/$pattern/) {
# print "\n\n ******** MATCH $key \n\n";
# print "** $pattern found in $key\n";
# print "** BUMP $key\n";
delete($bl3content{$key});
# print "\n\n **** ADDING $key \n\n";
$key =~ s,$PKGSRCDIR/,,;
# print "** Adding $key\n";
print "$key\n";
push @searchlist, $key;
push @bl3result, $key;
}
}
}
print "\n";
@makefiles = <$PKGSRCDIR/*/*/Makefile*>;
for $makefile (@makefiles) {
# print "* reading $makefile\n";
open OUT, $makefile or die "can't open $bl3";
$content = "";
while (<OUT>) {
chomp($_);
$content .= $_;
}
close OUT;
$found = 0;
for $pattern (@bl3result) {
if ($content =~ m/$pattern/) {
$found = 1;
last;
}
}
# print "** BUMP $makefile\n" if ($found);
if ($found) {
$makefile =~ s,$PKGSRCDIR/,,;
print "$makefile\n";
}
}
exit 0;
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