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#!/usr/bin/perl
# Copy log files from a GCC build for HTTP access.
# Copyright (C) 2008, 2009 Free Software Foundation, Inc.
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# INPUT:
# mkindex.pl <srcdir> <destdir> <branchname>
# This script copies log files from a GCC build directory, compresses
# and indexes them for web browser access. It's aimed at having an
# easy-to-access collection of files for analyzing regressions without
# needing to run the build yourself. Binary files (.o, executables)
# are intentionally not included since usually if they are needed it's
# better to just run a build, and because they take up a lot of space.
# 'srcdir' is the root directory of a GCC build (was $objdir in the build).
# 'destdir' will be erased and replaced with the log files, and should be an
# absolute path.
# 'branchname' is used only to produce the title of the index page,
# which will be named 'index.html'.
use warnings;
use strict;
use File::Path qw(mkpath rmtree);
use File::Find qw(find);
if ($#ARGV != 2) {
print "usage: $0 <srcdir> <destdir> <branchname>\n";
exit 1;
}
my ($srcdir, $destdir, $branchname) = @ARGV;
die "destdir is not absolute" unless ($destdir =~ m,^/,);
# Erase the destination.
rmtree $destdir;
mkdir $destdir or die "${destdir}: $!";
# Copy and compress the files into the destination, and keep a list in @files.
my @files = ();
sub my_wanted {
# Copy all files ending with .log or .sum.
if (/\.(log|sum)$/ && -f) {
die unless (substr ($File::Find::dir,0,(length $srcdir)) eq $srcdir);
my $dir = substr $File::Find::dir,(length $srcdir);
$dir = substr $dir,1 unless ($dir eq '');
my $name = $_;
$name = $dir . '/' . $_ if ($dir ne '');
mkpath $destdir . '/' . $dir;
# Compress the files. Use .gzip instead of .gz for the
# extension to avoid (broken) browser workarounds for broken
# web servers.
system ("gzip -c -q -9 $_ > $destdir/${name}.gzip") == 0 or exit 2;
# Write the (compressed) size consistently in Kbytes.
my $size = -s $destdir .'/' . $name . '.gzip';
my $printable_size = (sprintf "%.0fK",$size / 1024);
push @files,[$name.'.gzip',$name,$printable_size];
}
}
find ({wanted => \&my_wanted}, $srcdir);
# Sort the list of files for the index.
@files = sort {$a->[1] cmp $b->[1]} @files;
# Create the index.
open INDEX,'>',$destdir . '/index.html' or die "${destdir}/index.html: $!";
# Use strict XHTML 1.0, and set charset to UTF-8.
print INDEX <<EOF or die "writing index: $!";
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Log files for $branchname</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
</head>
<body>
<h1>Log files for $branchname</h1>
<table><tr><th>Name</th><th align='right'>Size</th></tr>
EOF
# The index will have two columns, filename (without .gzip) and
# compressed size.
foreach my $f (@files) {
printf INDEX "<tr><td><a href=\"%s\">%s</a></td><td align=\'right\'>%s</td></tr>\n",
$f->[0], $f->[1], $f->[2] or die "writing index: $!";
}
print INDEX "</table></body></html>\n" or die "writing index: $!";
close INDEX or die "writing index: $!";
exit 0;
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