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#! /usr/perl5/bin/perl
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2009 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# Generate README.opensolaris from a template for inclusion in a
# delivery wad.
# Usage: mkreadme_osol README.opensolaris < template
#
use strict;
use warnings;
#
# Timeout and retry settings for wget. Allow one retry for the
# occasional glitch, but don't wait longer than 5 minutes (so as not
# to hold up the build).
#
my $timeout = 150;
my $tries = 2;
#
# Markers in the web pages that we download.
#
my $begin_data = qr/\[begin README tag - do not delete\]/;
my $end_data = qr/\[end README tag - do not delete\]/;
my $readme_fn = shift || die "missing README filepath\n";
open(README_OUT, ">$readme_fn") || die "couldn't open $readme_fn\n";
my @lines = <STDIN>;
my %content;
if (! $ENV{"HTTP_PROXY"}) {
if ($ENV{"http_proxy"}) {
$ENV{"HTTP_PROXY"} = $ENV{"http_proxy"};
} else {
$ENV{"HTTP_PROXY"} = "http://webcache.sfbay:8080";
}
}
if (! $ENV{"http_proxy"}) {
$ENV{"http_proxy"} = $ENV{"HTTP_PROXY"};
}
#
# Make a pass through the input file and download any web pages that
# are included by reference.
#
foreach (@lines) {
chomp;
if (/^<!-- #include (.+) -->$/) {
my $url = $1;
print "Getting $url\n";
# Download the page into $content{$url}.
$content{$url} =
`/usr/sfw/bin/wget -q -O - -T $timeout -t $tries $url`;
if (! $content{$url}) {
die "$url: invalid or empty URI.\n";
}
#
# Clean up the downloaded contents: remove carriage
# returns, strip out content that is outside the
# delimiter tags, convert HTML-encoded characters back
# into plain text.
#
$content{$url} =~ s/\r//g;
my @c = split /\n/, $content{$url};
my $l;
# Work forwards to find start.
while (defined ($l = shift @c)) {
if ($l =~ /$begin_data/) {
last;
}
}
if (! defined $l) {
print "Warning: content start delimiter not found\n";
} else {
# Work backwards to find end.
while (defined ($l = pop @c)) {
if ($l =~ /$end_data/) {
last;
}
}
if (! defined $l) {
print "Warning: content end delimiter ",
"not found\n";
}
}
$content{$url} = join "\n", @c;
$content{$url} =~ s/&/&/g;
$content{$url} =~ s/</</g;
$content{$url} =~ s/</</g;
$content{$url} =~ s/>/>/g;
$content{$url} =~ s/>/>/g;
}
}
#
# Make a second pass through the input file. Pass most text on
# verbatim; replace #include directives with the content that was
# downloaded by the previous pass.
#
foreach (@lines) {
if (/^<!-- #include (.+) -->$/ && exists($content{$1})) {
print README_OUT $content{$1};
} else {
print README_OUT "$_\n";
}
}
print README_OUT "\n\n";
close(README_OUT);
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