release-process/scripts/mk_exim_release

   1 #!/usr/bin/env perl
   2 # Copyright (c) The Exim Maintainers 2016
   3
   4 use strict;
   5 use warnings;
   6 use Carp;
   7 use File::Copy;
   8 use File::Spec;
   9 use File::Path;
  10 use File::Temp;
  11 use FindBin;
  12 use Getopt::Long;
  13 use IO::File;
  14 use Pod::Usage;
  15
  16 my $debug   = 0;
  17 my $verbose = 0;
  18
  19 # ------------------------------------------------------------------
  20
  21 sub get_and_check_version {
  22     my $release = shift;
  23     my $context = shift;
  24
  25     # make sure this looks like a real release version
  26     # which should (currently) be 4.xx[.y] or 4.xx[.y]_RCx
  27     unless ( $release =~ /^(?<release>(?<major>4\.\d\d)(?:\.(?<minor>\d+))?(?:_RC\d+)?)$/ ) {
  28         croak "The given version number does not look right - $release";
  29     }
  30     $context->{release}  = $+{release};
  31     $context->{major} = $+{major};
  32     $context->{minor} = $+{minor};
  33
  34     ($context->{trelease} = $+{release}) =~ s/_RC\d+//;
  35 }
  36
  37 # ------------------------------------------------------------------
  38
  39 sub build_tag {
  40     my $context = shift;
  41
  42     # The CVS tag consists of exim-$version where $version
  43     # is the version number with . replaced with _
  44     my $modversion = $context->{release};
  45     $modversion =~ tr/0-9RC/_/cs;
  46
  47     return sprintf( 'exim-%s', $modversion );
  48 }
  49
  50 # ------------------------------------------------------------------
  51
  52 sub deal_with_working_directory {
  53     my $context = shift;
  54     my $delete  = shift;
  55
  56     # Set default directory
  57     $context->{directory} ||= File::Spec->rel2abs( sprintf( 'exim-packaging-%s', $context->{release} ) );
  58     my $directory = $context->{directory};
  59
  60     # ensure the working directory is not in place
  61     if ( -d $directory ) {
  62         if ($delete) {
  63             print "Deleting existing $directory\n" if ($verbose);
  64             rmtree( $directory, { verbose => $debug } );
  65         }
  66         if ( -d $directory ) {
  67             croak "Working directory $directory exists";
  68         }
  69     }
  70
  71     # create base directory
  72     mkpath( $context->{directory}, { verbose => ( $verbose || $debug ) } );
  73
  74     # set and create subdirectories
  75     foreach (qw(release_tree pkgs pkgdirs docbook tmp)) {
  76         $context->{$_} = File::Spec->catdir( $context->{directory}, $_ );
  77         mkpath( $context->{$_}, { verbose => ( $verbose || $debug ) } );
  78     }
  79 }
  80
  81 # ------------------------------------------------------------------
  82
  83 sub export_git_tree {
  84     my $context = shift;
  85
  86     # build git command
  87     my $archive_file = sprintf( '%s/%s-%s.tar', $context->{tmp}, $context->{pkgname}, $context->{release} );
  88     $context->{tmp_archive_file} = $archive_file;
  89     my @cmd = ( 'git', 'archive', '--format=tar', "--output=$archive_file", $context->{tag} );
  90     # run git command
  91     print( "Running: ", join( ' ', @cmd ), "\n" ) if ($verbose);
  92     system(@cmd) == 0 || croak "Export failed";
  93 }
  94
  95 # ------------------------------------------------------------------
  96
  97 sub unpack_tree {
  98     my $context = shift;
  99
 100     die "Cannot see archive file\n" unless ( -f $context->{tmp_archive_file} );
 101     my @cmd = ( 'tar', 'xf', $context->{tmp_archive_file}, '-C', $context->{release_tree} );
 102
 103     # run  command
 104     print( "Running: ", join( ' ', @cmd ), "\n" ) if ($verbose);
 105     system(@cmd) == 0 || croak "Unpack failed";
 106 }
 107
 108 # ------------------------------------------------------------------
 109
 110 sub make_version_script {
 111     my $context = shift;
 112
 113     my $variant = substr( $context->{release}, length($context->{trelease}) );
 114     if ( $context->{release} ne $context->{trelease} . $variant ) {
 115         die "Broken version numbering, I'm buggy";
 116     }
 117
 118     my $srcdir    = File::Spec->catdir( $context->{release_tree}, 'src', 'src' );
 119     chdir $srcdir or die "chdir $srcdir: $!\n";
 120
 121     if ( -f "version.sh" ) {
 122         print( "WARNING: version.sh already exists - leaving it in place\n" );
 123         return;
 124     }
 125
 126     # Currently (25. Feb. 2016) the mk_exim_release.pl up to now can't
 127     # deal with security releases.!? So we need a current
 128     # mk_exim_release.pl. But if we use a current (master), the
 129     # reversion script returns wrong version info (it's running inside
 130     # the Git tree and uses git --describe, which always returns the
 131     # current version of master.) I do not want to change the old
 132     # reversion scripts (in 4.86.1, 4.85.1).
 133     #
 134     # Thus we've to provide the version.sh, based on the info we have
 135     # about the release. If reversion finds this, it doesn't try to find
 136     # it's own way to get a valid version number from the git.
 137     open(my $v, '>', 'version.sh') or die "Can't open '>version.sh' $!\n";
 138     print {$v} <<__;
 139 # initial version automatically generated from $0
 140 EXIM_RELEASE_VERSION=$context->{major}
 141 EXIM_VARIANT_VERSION=@{[$context->{minor}?'_'.$context->{minor}:'']}
 142 EXIM_COMPILE_NUMBER=0
 143 __
 144     close($v);
 145     unlink 'version.h';
 146     return;
 147
 148     # Later, if we get the reversion script fixed, we can call it again.
 149     # For now (25. Feb. 2016) we'll leave it unused.
 150     my @cmd = ("../scripts/reversion", "release", $context->{tag});
 151     print( "Running: ", join( ' ', @cmd ), "\n" ) if ($verbose);
 152     system(@cmd) == 0 || croak "reversion failed";
 153
 154     unlink "version.h";
 155
 156     -f "version.sh" or die "failed to create version.sh";
 157 }
 158
 159 # ------------------------------------------------------------------
 160
 161 sub build_html_documentation {
 162     my $context = shift;
 163
 164     my $genpath   = $context->{webgen_base} . '/script/gen.pl';
 165     my $templates = $context->{webgen_base} . '/templates';
 166     my $dir       = File::Spec->catdir( $context->{release_tree}, 'html' );
 167     my $spec      = File::Spec->catfile( $context->{docbook}, 'spec.xml' );
 168     my $filter    = File::Spec->catfile( $context->{docbook}, 'filter.xml' );
 169
 170     mkdir($dir);
 171
 172     my @cmd = (
 173         $genpath,   '--spec',    $spec,                '--filter',
 174         $filter,    '--latest',  $context->{trelease}, '--tmpl',
 175         $templates, '--docroot', $dir,                 '--localstatic'
 176     );
 177     push @cmd, '--verbose' if $verbose or $debug;
 178
 179     print "Executing ", join( ' ', @cmd ), "\n";
 180     system(@cmd);
 181
 182     # move directory into right place
 183     my $sourcedir = File::Spec->catdir( $context->{docbook}, 'filter.xml' );
 184
 185     rename(
 186         File::Spec->catdir( $dir,                sprintf( 'exim-html-%s', $context->{trelease} ) ),
 187         File::Spec->catdir( $context->{pkgdirs}, sprintf( 'exim-html-%s', $context->{release} ) )
 188     );
 189 }
 190
 191 # ------------------------------------------------------------------
 192
 193 sub copy_docbook_files {
 194     my $context = shift;
 195
 196     # where the generated docbook files can be found
 197     my $docdir = File::Spec->catdir( $context->{release_tree}, 'doc', 'doc-docbook' );
 198
 199     # where the website docbook source dir is - push files to here
 200     my $webdir = File::Spec->catdir( $context->{webgen_base}, 'docbook', $context->{trelease} );
 201     mkpath( $webdir, { verbose => ( $verbose || $debug ) } );
 202
 203     foreach my $file ( 'spec.xml', 'filter.xml' ) {
 204         my $from  = File::Spec->catfile( $docdir,             $file );
 205         my $to    = File::Spec->catfile( $context->{docbook}, $file );
 206         my $webto = File::Spec->catfile( $webdir,             $file );
 207         copy( $from, $to );
 208         copy( $from, $webto );
 209     }
 210 }
 211
 212 # ------------------------------------------------------------------
 213
 214 sub build_documentation {
 215     my $context = shift;
 216
 217     my $docdir = File::Spec->catdir( $context->{release_tree}, 'doc', 'doc-docbook' );
 218     # documentation building gets the truncated release, without RC
 219     system("cd '$docdir' && ./OS-Fixups && $context->{make_cmd} EXIM_VER=$context->{trelease} everything") == 0
 220       || croak "Doc build failed";
 221
 222     copy_docbook_files($context);
 223     build_html_documentation($context) if $context->{web};
 224 }
 225
 226 # ------------------------------------------------------------------
 227
 228 sub move_text_docs_into_pkg {
 229     my $context = shift;
 230
 231     my $old_docdir = File::Spec->catdir( $context->{release_tree}, 'doc', 'doc-docbook' );
 232     my $old_txtdir = File::Spec->catdir( $context->{release_tree}, 'doc', 'doc-txt' );
 233     my $new_docdir = File::Spec->catdir( $context->{eximpkgdir}, 'doc' );
 234     mkpath( $new_docdir, { verbose => ( $verbose || $debug ) } );
 235
 236     # move generated documents from docbook stuff
 237     foreach my $file (qw/exim.8 spec.txt filter.txt/) {
 238         die "Empty file \"$file\"\n" if -z File::Spec->catfile( $old_docdir, $file );
 239         move( File::Spec->catfile( $old_docdir, $file ), File::Spec->catfile( $new_docdir, $file ) );
 240     }
 241
 242     # move text documents across
 243     foreach my $file ( glob( File::Spec->catfile( $old_txtdir, '*' ) ) ) {
 244
 245         # skip a few we dont want
 246         my $fn = ( File::Spec->splitpath($file) )[2];
 247         next
 248           if ( ( $fn eq 'ABOUT' )
 249             || ( $fn eq 'ChangeLog.0' )
 250             || ( $fn eq 'test-harness.txt' )
 251             # Debian issue re licensing of RFCs
 252             || ( $fn =~ /^draft-ietf-.*/ )
 253             || ( $fn =~ /^rfc.*/ )
 254              );
 255         move( $file, File::Spec->catfile( $new_docdir, $fn ) );
 256     }
 257 }
 258
 259 # ------------------------------------------------------------------
 260
 261 sub build_pspdfinfo_directory {
 262     my $context = shift;
 263
 264     ##foreach my $format (qw/pdf postscript texinfo info/) {
 265     foreach my $format (qw/pdf postscript/) {
 266         my $target = File::Spec->catdir( $context->{pkgdirs}, sprintf( 'exim-%s-%s', $format, $context->{release} ), 'doc' );
 267         mkpath( $target, { verbose => ( $verbose || $debug ) } );
 268
 269         # move documents across
 270         foreach my $file (
 271             glob(
 272                 File::Spec->catfile(
 273                     $context->{release_tree},
 274                     'doc',
 275                     'doc-docbook',
 276                     (
 277                         ( $format eq 'postscript' )
 278                         ? '*.ps'
 279                         : ( '*.' . $format )
 280                     )
 281                 )
 282             )
 283           )
 284         {
 285             move( $file, File::Spec->catfile( $target, ( File::Spec->splitpath($file) )[2] ) );
 286         }
 287     }
 288 }
 289
 290 # ------------------------------------------------------------------
 291
 292 sub build_main_package_directory {
 293     my $context = shift;
 294
 295     # build the exim package directory path
 296     $context->{eximpkgdir} = File::Spec->catdir( $context->{pkgdirs}, sprintf( 'exim-%s', $context->{release} ) );
 297
 298     # initially we move the exim-src directory to the new directory name
 299     rename( File::Spec->catdir( $context->{release_tree}, 'src' ), $context->{eximpkgdir} )
 300       || croak "Rename of src dir failed - $!";
 301
 302     # add Local subdirectory
 303     mkpath( File::Spec->catdir( $context->{eximpkgdir}, 'Local' ), { verbose => ( $verbose || $debug ) } );
 304
 305     # now add the text docs
 306     move_text_docs_into_pkg($context);
 307 }
 308
 309 # ------------------------------------------------------------------
 310
 311 sub build_package_directories {
 312     my $context = shift;
 313
 314     build_main_package_directory($context);
 315     build_pspdfinfo_directory($context) if $context->{build_docs};
 316 }
 317
 318 # ------------------------------------------------------------------
 319
 320 sub do_cleanup {
 321     my $context = shift;
 322
 323     print "Cleaning up\n" if ($verbose);
 324     chdir( $context->{directory} ) || die;
 325     rmtree( $context->{release_tree}, { verbose => $debug } );
 326     rmtree( $context->{docbook},      { verbose => $debug } );
 327     rmtree( $context->{pkgdirs},      { verbose => $debug } );
 328 }
 329
 330 # ------------------------------------------------------------------
 331
 332 # We prefer gtar to tar if gtar exists in $PATH
 333
 334 sub fix_paths_tar {
 335     my $context = shift;
 336     my $tar = $context->{tar_cmd};
 337
 338     return unless $tar eq 'tar';
 339
 340     foreach my $d (File::Spec->path()) {
 341         my $p = File::Spec->catfile($d, 'gtar');
 342         if (-x $p) {
 343             $context->{tar_cmd} = $p;
 344             print "Switched tar command to: $p\n" if ($verbose);
 345             return;
 346         }
 347     }
 348 }
 349
 350 # ------------------------------------------------------------------
 351
 352 sub create_tar_files {
 353     my $context = shift;
 354
 355     my $pkgs    = $context->{pkgs};
 356     my $pkgdirs = $context->{pkgdirs};
 357     my $tar     = $context->{tar_cmd};
 358     if ($verbose) {
 359         foreach my $c (keys %{ $context->{compressors} }) {
 360             print "Compression: $c\t$context->{compressors}{$c}\n";
 361         }
 362     }
 363
 364     # See also environment variables set in main, tuning compression levels
 365     my @COMPRESSIONS = (
 366         # compressors-dict-key, file-extension, flags-as-string
 367         [ "gzip", "gz", "--gzip" ],
 368         [ "bzip2", "bz2", "--bzip2" ],
 369         [ "lzip", "lz", "--lzip" ],
 370         [ "xz", "xz", "--xz" ],
 371     );
 372
 373     foreach my $dir ( glob( File::Spec->catdir( $pkgdirs, ( 'exim*-' . $context->{release} ) ) ) ) {
 374         my $dirname = ( File::Spec->splitdir($dir) )[-1];
 375         foreach my $comp (@COMPRESSIONS) {
 376             my ($compkey, $extension, $flags) = @{$comp};
 377             next unless $context->{compressors}{$compkey};
 378             print "Creating: ${pkgs}/${dirname}.tar.${extension}\n" if ($verbose || $debug);
 379             system("$tar cf  ${pkgs}/${dirname}.tar.${extension} ${flags} --numeric-owner -C ${pkgdirs} ${dirname}");
 380         }
 381     }
 382
 383 }
 384
 385 # ------------------------------------------------------------------
 386 MAIN: {
 387
 388     $0 =~ m|^(?:\./)?release-process/scripts/|
 389     or die "$0: please call this script from the root of the Exim project sources\n";
 390
 391     my $context = {
 392         pkgname     => 'exim',
 393         orig_dir    => File::Spec->curdir(),
 394         tmp_dir     => File::Temp->newdir(),
 395         webgen_base => "$FindBin::Bin/../../../exim-website",
 396         tar_cmd     => 'tar',
 397         make_cmd    => 'make',
 398         compressors => {
 399                 gzip    => 1,
 400                 bzip2   => 1,
 401                 xz      => 1,
 402                 lzip    => 0,
 403         },
 404         build_docs   => 1,
 405         web          => 1,
 406     };
 407     my $delete;
 408     my $cleanup = 1;
 409     ##$ENV{'PATH'} = '/opt/local/bin:' . $ENV{'PATH'};
 410     # We are creating files for mass distribution, so work harder to make smaller files.
 411     $ENV{'GZIP'} = '-9';
 412     $ENV{'BZIP2'} = '-9';
 413     # xz documents minimum file sizes for levels higher than -6 to be useful and each
 414     # requires more RAM on the decompressing system.  Exim tarball currently 24MiB so
 415     # using -8.
 416     $ENV{'XZ_DEFAULTS'} = '-8';
 417
 418     GetOptions(
 419         'directory=s'   => \$context->{directory},
 420         'webgen_base=s' => \$context->{webgen_base},
 421         'tar=s'         => \$context->{tar_cmd},
 422         'make=s'        => \$context->{make_cmd},
 423         'lzip!'         => \$context->{compressors}{lzip},
 424         'verbose!'      => \$verbose,
 425         'debug!'        => \$debug,
 426         'help|?'        => sub { pod2usage(-verbose => 1, -exit => 0) },
 427         'man!'          => sub { pod2usage(-verbose => 2, -exit => 0, -noperldoc => system('perldoc -V >/dev/null 2>&1')) },
 428         'delete!'       => \$delete,
 429         'cleanup!'      => \$cleanup,
 430         'build-docs!'   => \$context->{build_docs},
 431         'web!'          => \$context->{web},
 432     ) and @ARGV == 1 or pod2usage;
 433
 434     umask(022);
 435     get_and_check_version( shift, $context );
 436     fix_paths_tar($context);
 437     $context->{tag} = build_tag($context);
 438     deal_with_working_directory( $context, $delete );
 439     export_git_tree($context);
 440     chdir( $context->{directory} ) || die;
 441     unpack_tree($context);
 442     make_version_script($context);
 443     build_documentation($context) if $context->{build_docs};
 444     build_package_directories($context);
 445     create_tar_files($context);
 446     do_cleanup($context) if ($cleanup);
 447 }
 448
 449 1;
 450
 451 __END__
 452
 453 =head1 NAME
 454
 455 mk_exim_release - Build an exim release
 456
 457 =head1 SYNOPSIS
 458
 459  mk_exim_release [options] version
 460
 461 =head1 DESCRIPTION
 462
 463 B<mk_exim_release> builds an exim release.
 464
 465 Starting in a populated git repo that has already been tagged for
 466 release it builds docs, packages etc.  Parameter is the version number
 467 to build as - ie 4.72 4.72RC1, 4.86.1, etc
 468
 469 After creating the release files, they should be signed. There is another
 470 helper for creating the signatures:
 471 F<release-process/scripts/sign_exim_packages>.
 472
 473 Call B<mk_exim_release> about like this:
 474
 475     release-process/scripts/mk_exim_release 4.99
 476
 477
 478 =head1 OPTIONS
 479
 480 =over 4
 481
 482 =item B<--[no]debug>
 483
 484 Forces debug mode. (default: no debug info)
 485
 486 =item B<--[no]delete>
 487
 488 Delete a pre-existing package directory at start. (default: don't delete)
 489
 490 =item B<--directory> I<dir>
 491
 492 Change the name of the package directory (default: F<< exim-packaging-<version> >>)
 493
 494 =item B<--[no]help>
 495
 496 Display short help and exit cleanly. (default: don't do that)
 497
 498 =item B<--[no]lzip>
 499
 500 Control the creation of B<lzip> tarballs. (default: do not use lzip)
 501
 502 =item B<--make> I<cmd>
 503
 504 Force the use of a specific C<make> command. This may be necessary if C<make> is not
 505 C<gmake> (default: C<make>)
 506
 507 =item B<--[no]man>
 508
 509 Display man page and exit cleanly. (default: don't do that)
 510
 511 =item B<--tar> I<cmd>
 512
 513 Use to override the path to the C<tar> command.  Need GNU tar in case
 514 I<lzip> is selected. (default: C<gtar>, if not found, use C<tar>)
 515
 516 =item B<--[no]web>
 517
 518 Control the creation of the website. For creation of the website, the F<../exim-website>
 519 directory must exist. (default: create the website)
 520
 521 =item B<--verbose>
 522
 523 Force verbose mode. (default: no verbosity)
 524
 525 =back
 526
 527 =head1 AUTHOR
 528
 529 Nigel Metheringham <Nigel.Metheringham@dev.intechnology.co.uk>,
 530 some changes by Heiko Schlittermann <hs@schlittermann.de>
 531
 532 =head1 COPYRIGHT
 533
 534 Copyright 2010-2016 Exim Maintainers. All rights reserved.
 535
 536 =cut
 537 # vim: set sw=4 et :