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         move( File::Spec->catfile( $old_docdir, $file ), File::Spec->catfile( $new_docdir, $file ) );
 239     }
 240
 241     # move text documents across
 242     foreach my $file ( glob( File::Spec->catfile( $old_txtdir, '*' ) ) ) {
 243
 244         # skip a few we dont want
 245         my $fn = ( File::Spec->splitpath($file) )[2];
 246         next
 247           if ( ( $fn eq 'ABOUT' )
 248             || ( $fn eq 'ChangeLog.0' )
 249             || ( $fn eq 'test-harness.txt' )
 250             # Debian issue re licensing of RFCs
 251             || ( $fn =~ /^draft-ietf-.*/ )
 252             || ( $fn =~ /^rfc.*/ )
 253              );
 254         move( $file, File::Spec->catfile( $new_docdir, $fn ) );
 255     }
 256 }
 257
 258 # ------------------------------------------------------------------
 259
 260 sub build_pspdfinfo_directory {
 261     my $context = shift;
 262
 263     ##foreach my $format (qw/pdf postscript texinfo info/) {
 264     foreach my $format (qw/pdf postscript/) {
 265         my $target = File::Spec->catdir( $context->{pkgdirs}, sprintf( 'exim-%s-%s', $format, $context->{release} ), 'doc' );
 266         mkpath( $target, { verbose => ( $verbose || $debug ) } );
 267
 268         # move documents across
 269         foreach my $file (
 270             glob(
 271                 File::Spec->catfile(
 272                     $context->{release_tree},
 273                     'doc',
 274                     'doc-docbook',
 275                     (
 276                         ( $format eq 'postscript' )
 277                         ? '*.ps'
 278                         : ( '*.' . $format )
 279                     )
 280                 )
 281             )
 282           )
 283         {
 284             move( $file, File::Spec->catfile( $target, ( File::Spec->splitpath($file) )[2] ) );
 285         }
 286     }
 287 }
 288
 289 # ------------------------------------------------------------------
 290
 291 sub build_main_package_directory {
 292     my $context = shift;
 293
 294     # build the exim package directory path
 295     $context->{eximpkgdir} = File::Spec->catdir( $context->{pkgdirs}, sprintf( 'exim-%s', $context->{release} ) );
 296
 297     # initially we move the exim-src directory to the new directory name
 298     rename( File::Spec->catdir( $context->{release_tree}, 'src' ), $context->{eximpkgdir} )
 299       || croak "Rename of src dir failed - $!";
 300
 301     # add Local subdirectory
 302     mkpath( File::Spec->catdir( $context->{eximpkgdir}, 'Local' ), { verbose => ( $verbose || $debug ) } );
 303
 304     # now add the text docs
 305     move_text_docs_into_pkg($context);
 306 }
 307
 308 # ------------------------------------------------------------------
 309
 310 sub build_package_directories {
 311     my $context = shift;
 312
 313     build_main_package_directory($context);
 314     build_pspdfinfo_directory($context) if $context->{build_docs};
 315 }
 316
 317 # ------------------------------------------------------------------
 318
 319 sub do_cleanup {
 320     my $context = shift;
 321
 322     print "Cleaning up\n" if ($verbose);
 323     chdir( $context->{directory} ) || die;
 324     rmtree( $context->{release_tree}, { verbose => $debug } );
 325     rmtree( $context->{docbook},      { verbose => $debug } );
 326     rmtree( $context->{pkgdirs},      { verbose => $debug } );
 327 }
 328
 329 # ------------------------------------------------------------------
 330
 331 # We prefer gtar to tar if gtar exists in $PATH
 332
 333 sub fix_paths_tar {
 334     my $context = shift;
 335     my $tar = $context->{tar_cmd};
 336
 337     return unless $tar eq 'tar';
 338
 339     foreach my $d (File::Spec->path()) {
 340         my $p = File::Spec->catfile($d, 'gtar');
 341         if (-x $p) {
 342             $context->{tar_cmd} = $p;
 343             print "Switched tar command to: $p\n" if ($verbose);
 344             return;
 345         }
 346     }
 347 }
 348
 349 # ------------------------------------------------------------------
 350
 351 sub create_tar_files {
 352     my $context = shift;
 353
 354     my $pkgs    = $context->{pkgs};
 355     my $pkgdirs = $context->{pkgdirs};
 356     my $tar     = $context->{tar_cmd};
 357     if ($verbose) {
 358         foreach my $c (keys %{ $context->{compressors} }) {
 359             print "Compression: $c\t$context->{compressors}{$c}\n";
 360         }
 361     }
 362
 363     foreach my $dir ( glob( File::Spec->catdir( $pkgdirs, ( 'exim*-' . $context->{release} ) ) ) ) {
 364         my $dirname = ( File::Spec->splitdir($dir) )[-1];
 365         if ($context->{compressors}{gzip}) {
 366             print "Creating: ${pkgs}/${dirname}.tar.gz\n" if ($verbose || $debug);
 367             system("$tar cf  ${pkgs}/${dirname}.tar.gz  --gzip  -C ${pkgdirs} ${dirname}")
 368         }
 369         if ($context->{compressors}{bzip2}) {
 370             print "Creating: ${pkgs}/${dirname}.tar.bz2\n" if ($verbose || $debug);
 371             system("$tar cf  ${pkgs}/${dirname}.tar.bz2 --bzip2 -C ${pkgdirs} ${dirname}")
 372         }
 373         if ($context->{compressors}{lzip}) {
 374             print "Creating: ${pkgs}/${dirname}.tar.lz\n" if ($verbose || $debug);
 375             system("$tar cf  ${pkgs}/${dirname}.tar.lz  --lzip  -C ${pkgdirs} ${dirname}")
 376         }
 377     }
 378 }
 379
 380 # ------------------------------------------------------------------
 381 {
 382     my $man;
 383     my $help;
 384     my $context = {
 385         pkgname     => 'exim',
 386         orig_dir    => File::Spec->curdir(),
 387         tmp_dir     => File::Temp->newdir(),
 388         webgen_base => "$FindBin::Bin/../../../exim-website",
 389         tar_cmd     => 'tar',
 390         make_cmd    => 'make',
 391         compressors => {
 392                 gzip    => 1,
 393                 bzip2   => 1,
 394                 lzip    => 0,
 395         },
 396         build_docs   => 1,
 397         web          => 1,
 398     };
 399     my $delete;
 400     my $cleanup = 1;
 401     ##$ENV{'PATH'} = '/opt/local/bin:' . $ENV{'PATH'};
 402
 403     unless (
 404         GetOptions(
 405             'directory=s'   => \$context->{directory},
 406             'webgen_base=s' => \$context->{webgen_base},
 407             'tar=s'         => \$context->{tar_cmd},
 408             'make=s'        => \$context->{make_cmd},
 409             'lzip!'         => \$context->{compressors}{lzip},
 410             'verbose!'      => \$verbose,
 411             'debug!'        => \$debug,
 412             'help|?'        => \$help,
 413             'man!'          => \$man,
 414             'delete!'       => \$delete,
 415             'cleanup!'      => \$cleanup,
 416             'build-docs!'   => \$context->{build_docs},
 417             'web!'          => \$context->{web},
 418         )
 419       )
 420     {
 421         pod2usage( -exitval => 1, -verbose => 0 );
 422     }
 423     pod2usage(0) if $help;
 424     pod2usage( -verbose => 2 ) if $man;
 425
 426     get_and_check_version( shift, $context );
 427     fix_paths_tar($context);
 428     $context->{tag} = build_tag($context);
 429     deal_with_working_directory( $context, $delete );
 430     export_git_tree($context);
 431     chdir( $context->{directory} ) || die;
 432     unpack_tree($context);
 433     make_version_script($context);
 434     build_documentation($context) if $context->{build_docs};
 435     build_package_directories($context);
 436     create_tar_files($context);
 437     do_cleanup($context) if ($cleanup);
 438 }
 439
 440 1;
 441
 442 __END__
 443
 444 =head1 NAME
 445
 446 mk_exim_release - Build an exim release
 447
 448 =head1 SYNOPSIS
 449
 450 mk_exim_release [options] version
 451
 452  Options:
 453    --debug             force debug mode
 454    --verbose           force verbose mode
 455    --help              display this help and exits
 456    --man               displays man page
 457    --tar=cmd           command to use for tar
 458    --make=cmd          command to use for make
 459    --directory=dir     dir to package
 460    --no-lzip           do not create .tar.lz files
 461    --delete            Delete packaging directory at start
 462    --no-web            skip the website generation
 463
 464 =head1 OPTIONS
 465
 466 =over 4
 467
 468 =item B<--debug>
 469
 470 Forces debug mode.
 471
 472 =item B<--tar>
 473
 474 Use to override the path to the tar command; without this, will search for
 475 gtar, and if not found use tar.  Need GNU tar for lzip, unless --no-lzip is
 476 used.
 477
 478 =item B<--make>
 479
 480 Use to override the path/name of the make command.
 481 Useful sometimes to force gmake.
 482
 483 =item B<--lzip>
 484
 485 Build the lzip tarballs.
 486
 487 =item B<--verbose>
 488
 489 Force verbose mode
 490
 491 =item B<--help>
 492
 493 Display help and exits
 494
 495 =item B<--man>
 496
 497 Display man page
 498
 499 =back
 500
 501 =head1 DESCRIPTION
 502
 503 Builds an exim release.
 504
 505 Starting in a populated git repo that has already been tagged for
 506 release, build docs, build packages etc.
 507
 508 Parameter is the version number to build as - ie 4.72 4.72RC1, 4.86.1, etc
 509
 510 =head1 AUTHOR
 511
 512 Nigel Metheringham <Nigel.Metheringham@dev.intechnology.co.uk>
 513
 514 =head1 COPYRIGHT
 515
 516 Copyright 2010 Exim Maintainers. All rights reserved.
 517
 518 =cut
 519 # vim: set sw=4 et :