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1 #!/usr/bin/perl
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2
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3 # Copy log files from a GCC build for HTTP access.
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4 # Copyright (C) 2008, 2009 Free Software Foundation, Inc.
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5 #
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10 #
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU General Public License for more details.
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15 #
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16 # You should have received a copy of the GNU General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 # INPUT:
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20 # mkindex.pl <srcdir> <destdir> <branchname>
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21
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22 # This script copies log files from a GCC build directory, compresses
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23 # and indexes them for web browser access. It's aimed at having an
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24 # easy-to-access collection of files for analyzing regressions without
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25 # needing to run the build yourself. Binary files (.o, executables)
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26 # are intentionally not included since usually if they are needed it's
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27 # better to just run a build, and because they take up a lot of space.
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28
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29 # 'srcdir' is the root directory of a GCC build (was $objdir in the build).
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30 # 'destdir' will be erased and replaced with the log files, and should be an
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31 # absolute path.
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32 # 'branchname' is used only to produce the title of the index page,
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33 # which will be named 'index.html'.
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34
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35 use warnings;
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36 use strict;
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37 use File::Path qw(mkpath rmtree);
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38 use File::Find qw(find);
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39
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40 if ($#ARGV != 2) {
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41 print "usage: $0 <srcdir> <destdir> <branchname>\n";
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42 exit 1;
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43 }
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44
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45 my ($srcdir, $destdir, $branchname) = @ARGV;
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46 die "destdir is not absolute" unless ($destdir =~ m,^/,);
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47
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48 # Erase the destination.
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49 rmtree $destdir;
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50 mkdir $destdir or die "${destdir}: $!";
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51
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52 # Copy and compress the files into the destination, and keep a list in @files.
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53 my @files = ();
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54 sub my_wanted {
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55 # Copy all files ending with .log or .sum.
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56 if (/\.(log|sum)$/ && -f) {
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57
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58 die unless (substr ($File::Find::dir,0,(length $srcdir)) eq $srcdir);
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59 my $dir = substr $File::Find::dir,(length $srcdir);
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60 $dir = substr $dir,1 unless ($dir eq '');
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61 my $name = $_;
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62 $name = $dir . '/' . $_ if ($dir ne '');
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63
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64 mkpath $destdir . '/' . $dir;
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65 # Compress the files. Use .gzip instead of .gz for the
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66 # extension to avoid (broken) browser workarounds for broken
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67 # web servers.
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68 system ("gzip -c -q -9 $_ > $destdir/${name}.gzip") == 0 or exit 2;
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69
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70 # Write the (compressed) size consistently in Kbytes.
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71 my $size = -s $destdir .'/' . $name . '.gzip';
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72 my $printable_size = (sprintf "%.0fK",$size / 1024);
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73
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74 push @files,[$name.'.gzip',$name,$printable_size];
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75 }
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76 }
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77 find ({wanted => \&my_wanted}, $srcdir);
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78
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79 # Sort the list of files for the index.
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80 @files = sort {$a->[1] cmp $b->[1]} @files;
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81
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82 # Create the index.
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83 open INDEX,'>',$destdir . '/index.html' or die "${destdir}/index.html: $!";
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84 # Use strict XHTML 1.0, and set charset to UTF-8.
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85 print INDEX <<EOF or die "writing index: $!";
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86 <!DOCTYPE html
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87 PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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88 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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89 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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90 <head>
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91 <title>Log files for $branchname</title>
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92 <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
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93 </head>
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94 <body>
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95 <h1>Log files for $branchname</h1>
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96 <table><tr><th>Name</th><th align='right'>Size</th></tr>
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97 EOF
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98 # The index will have two columns, filename (without .gzip) and
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99 # compressed size.
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100 foreach my $f (@files) {
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101 printf INDEX "<tr><td><a href=\"%s\">%s</a></td><td align=\'right\'>%s</td></tr>\n",
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102 $f->[0], $f->[1], $f->[2] or die "writing index: $!";
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103 }
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104
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105 print INDEX "</table></body></html>\n" or die "writing index: $!";
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106 close INDEX or die "writing index: $!";
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107 exit 0;
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