maint/release.pm

   1 #!/usr/bin/perl
   2 # A simple system for making software releases
   3 # (c) 2003--2006 Martin Mares <mj@ucw.cz>
   4
   5 package UCW::Release;
   6 use strict;
   7 use warnings;
   8 use Getopt::Long;
   9
  10 our $verbose = 0;
  11
  12 sub new($$) {
  13         my ($class,$basename) = @_;
  14         my $s = {
  15                 "PACKAGE" => $basename,
  16                 "rules" => [
  17                         # p=preprocess, s=subst, -=discard
  18                         '(^|/)(CVS|\.arch-ids|{arch}|\.git|tmp)/' => '-',
  19                         '\.(lsm|spec)$' => 'ps',
  20                         '(^|/)README$' => 's'
  21                         ],
  22                 "directories" => [
  23                         ],
  24                 "conditions" => {
  25                         },
  26                 "DATE" => `date '+%Y-%m-%d' | tr -d '\n'`,
  27                 "LSMDATE" => `date '+%y%m%d' | tr -d '\n'`,
  28                 "distfiles" => [
  29                         ],
  30                 "archivedir" => "/home/mj/tmp/archives/$basename",
  31                 "uploads" => [
  32                         ],
  33                 # Options
  34                 "do_test" => 1,
  35                 "do_patch" => 1,
  36                 "diff_against" => "",
  37                 "do_upload" => 1
  38         };
  39         bless $s;
  40         return $s;
  41 }
  42
  43 sub GetVersionFromFile($) {
  44         my ($s,$file,$rx) = @_;
  45         open F, $file or die "Unable to open $file for version autodetection";
  46         while (<F>) {
  47                 chomp;
  48                 if (/$rx/) {
  49                         $s->{"VERSION"} = $1;
  50                         print "Detected version $1 from $file\n" if $verbose;
  51                         last;
  52                 }
  53         }
  54         close F;
  55         if (!defined $s->{"VERSION"}) { die "Failed to auto-detect version"; }
  56         return $s->{"VERSION"};
  57 }
  58
  59 sub GetVersionsFromChangelog($) {
  60         my ($s,$file,$rx) = @_;
  61         open F, $file or die "Unable to open $file for version autodetection";
  62         while (<F>) {
  63                 chomp;
  64                 if (/$rx/) {
  65                         if (!defined $s->{"VERSION"}) {
  66                                 $s->{"VERSION"} = $1;
  67                                 print "Detected version $1 from $file\n" if $verbose;
  68                         } elsif ($s->{"VERSION"} eq $1) {
  69                                 # do nothing
  70                         } else {
  71                                 $s->{"OLDVERSION"} = $1;
  72                                 print "Detected previous version $1 from $file\n" if $verbose;
  73                                 last;
  74                         }
  75                 }
  76         }
  77         close F;
  78         if (!defined $s->{"VERSION"}) { die "Failed to auto-detect version"; }
  79         return $s->{"VERSION"};
  80 }
  81
  82 sub InitDist($) {
  83         my ($s,$dd) = @_;
  84         $s->{"DISTDIR"} = $dd;
  85         print "Initializing dist directory $dd\n" if $verbose;
  86         `rm -rf $dd`; die if $?;
  87         `mkdir -p $dd`; die if $?;
  88 }
  89
  90 sub ExpandVar($$) {
  91         my ($s,$v) = @_;
  92         if (defined $s->{$v}) {
  93                 return $s->{$v};
  94         } else {
  95                 die "Reference to unknown variable $v";
  96         }
  97 }
  98
  99 sub CopyFile($$$$) {
 100         my ($s,$f,$dir,$action) = @_;
 101
 102         (my $d = $f) =~ s@(^|/)[^/]*$@@;
 103         $d = "$dir/$d";
 104         -d $d || `mkdir -p $d`; die if $?;
 105
 106         my $preprocess = ($action =~ /p/);
 107         my $subst = ($action =~ /s/);
 108         if ($preprocess || $subst) {
 109                 open I, "$f" or die "open($f): $?";
 110                 open O, ">$dir/$f" or die "open($dir/$f): $!";
 111                 my @ifs = ();   # stack of conditions, 1=satisfied
 112                 my $empty = 0;  # last line was empty
 113                 my $is_makefile = ($f =~ /(Makefile|.mk)$/);
 114                 while (<I>) {
 115                         if ($subst) {
 116                                 s/@([0-9A-Za-z_]+)@/$s->ExpandVar($1)/ge;
 117                         }
 118                         if ($preprocess) {
 119                                 if (/^#/ || $is_makefile) {
 120                                         if (/^#?ifdef\s+(\w+)/) {
 121                                                 if (defined ${$s->{"conditions"}}{$1}) {
 122                                                         push @ifs, ${$s->{"conditions"}}{$1};
 123                                                         next;
 124                                                 }
 125                                                 push @ifs, 0;
 126                                         } elsif (/^#ifndef\s+(\w+)/) {
 127                                                 if (defined ${$s->{"conditions"}}{$1}) {
 128                                                         push @ifs, -${$s->{"conditions"}}{$1};
 129                                                         next;
 130                                                 }
 131                                                 push @ifs, 0;
 132                                         } elsif (/^#if\s+/) {
 133                                                 push @ifs, 0;
 134                                         } elsif (/^#?endif/) {
 135                                                 my $x = pop @ifs;
 136                                                 defined $x or die "Improper nesting of conditionals";
 137                                                 $x && next;
 138                                         } elsif (/^#?else/) {
 139                                                 my $x = pop @ifs;
 140                                                 defined $x or die "Improper nesting of conditionals";
 141                                                 push @ifs, -$x;
 142                                                 $x && next;
 143                                         }
 144                                 }
 145                                 @ifs && $ifs[$#ifs] < 0 && next;
 146                                 if (/^$/) {
 147                                         $empty && next;
 148                                         $empty = 1;
 149                                 } else { $empty = 0; }
 150                         }
 151                         print O;
 152                 }
 153                 close O;
 154                 close I;
 155                 ! -x $f or chmod(0755, "$dir/$f") or die "chmod($dir/$f): $!";
 156         } else {
 157                 `cp -a $f $dir/$f`; die if $?;
 158         }
 159 }
 160
 161 sub GenPackage($) {
 162         my ($s) = @_;
 163         $s->{"PKG"} = $s->{"PACKAGE"} . "-" . $s->{"VERSION"};
 164         my $dd = $s->{"DISTDIR"};
 165         my $pkg = $s->{"PKG"};
 166         my $dir = "$dd/$pkg";
 167         print "Generating $dir\n";
 168
 169         FILES: foreach my $f (`find . -type f`) {
 170                 chomp $f;
 171                 $f =~ s/^\.\///;
 172                 my $action = "";
 173                 my @rules = @{$s->{"rules"}};
 174                 while (@rules) {
 175                         my $rule = shift @rules;
 176                         my $act = shift @rules;
 177                         if ($f =~ $rule) {
 178                                 $action = $act;
 179                                 last;
 180                         }
 181                 }
 182                 ($action =~ /-/) && next FILES;
 183                 print "$f ($action)\n" if $verbose;
 184                 $s->CopyFile($f, $dir, $action);
 185         }
 186
 187         foreach my $d (@{$s->{"directories"}}) {
 188                 `mkdir -p $dir/$d`; die if $?;
 189         }
 190
 191         if (-f "$dir/Makefile") {
 192                 print "Cleaning up\n";
 193                 `cd $dir && make distclean >&2`; die if $?;
 194         }
 195
 196         print "Creating $dd/$pkg.tar.gz\n";
 197         my $tarvv = $verbose ? "vv" : "";
 198         `cd $dd && tar cz${tarvv}f $pkg.tar.gz $pkg >&2`; die if $?;
 199         push @{$s->{"distfiles"}}, "$dd/$pkg.tar.gz";
 200
 201         my $adir = $s->{"archivedir"};
 202         my $afile = "$adir/$pkg.tar.gz";
 203         print "Archiving to $afile\n";
 204         -d $adir or `mkdir -p $adir`;
 205         `cp $dd/$pkg.tar.gz $afile`; die if $?;
 206
 207         return $dir;
 208 }
 209
 210 sub GenFile($$) {
 211         my ($s,$f) = @_;
 212         my $sf = $s->{"DISTDIR"} . "/" . $s->{"PKG"} . "/$f";
 213         my $df = $s->{"DISTDIR"} . "/$f";
 214         print "Generating $df\n";
 215         `cp $sf $df`; die if $?;
 216         push @{$s->{"distfiles"}}, $df;
 217 }
 218
 219 sub ParseOptions($) {
 220         my ($s) = @_;
 221         GetOptions(
 222                 "verbose!" => \$verbose,
 223                 "test!" => \$s->{"do_test"},
 224                 "patch!" => \$s->{"do_patch"},
 225                 "diff-against=s" => \$s->{"diff_against"},
 226                 "upload!" => \$s->{"do_upload"}
 227         ) || die "Syntax: release [--verbose] [--test] [--nopatch] [--diff-against=<version>] [--noupload]";
 228 }
 229
 230 sub Test($) {
 231         my ($s) = @_;
 232         my $dd = $s->{"DISTDIR"};
 233         my $pkg = $s->{"PKG"};
 234         my $log = "$dd/$pkg.log";
 235         print "Doing a test compilation\n";
 236         `( cd $dd/$pkg && make ) >$log 2>&1`;
 237         die "There were errors. Please inspect $log" if $?;
 238         `grep -q [Ww]arning $log`;
 239         $? or print "There were warnings! Please inspect $log.\n";
 240         print "Cleaning up\n";
 241         `cd $dd/$pkg && make distclean`; die if $?;
 242 }
 243
 244 sub MakePatch($) {
 245         my ($s) = @_;
 246         my $dd = $s->{"DISTDIR"};
 247         my $pkg1 = $s->{"PKG"};
 248         my $oldver;
 249         if ($s->{"diff_against"} ne "") {
 250                 $oldver = $s->{"diff_against"};
 251         } elsif (defined $s->{"OLDVERSION"}) {
 252                 $oldver = $s->{"OLDVERSION"};
 253         } else {
 254                 print "WARNING: No previous version known. No patch generated.\n";
 255                 return;
 256         }
 257         my $pkg0 = $s->{"PACKAGE"} . "-" . $oldver;
 258
 259         my $oldarch = $s->{"archivedir"} . "/" . $pkg0 . ".tar.gz";
 260         -f $oldarch or die "MakePatch: $oldarch not found";
 261         print "Unpacking $pkg0 from $oldarch\n";
 262         `cd $dd && tar xzf $oldarch`; die if $?;
 263
 264         my $diff = $s->{"PACKAGE"} . "-" . $oldver . "-" . $s->{"VERSION"} . ".diff.gz";
 265         print "Creating a patch from $pkg0 to $pkg1: $diff\n";
 266         `cd $dd && diff -ruN $pkg0 $pkg1 | gzip >$diff`; die if $?;
 267         push @{$s->{"distfiles"}}, "$dd/$diff";
 268 }
 269
 270 sub Upload($) {
 271         my ($s) = @_;
 272         foreach my $u (@{$s->{"uploads"}}) {
 273                 my $url = $u->{"url"};
 274                 print "Upload to $url :\n";
 275                 my @files = ();
 276                 my $filter = $u->{"filter"} || ".*";
 277                 foreach my $f (@{$s->{"distfiles"}}) {
 278                         if ($f =~ $filter) {
 279                                 print "\t$f\n";
 280                                 push @files, $f;
 281                         }
 282                 }
 283                 print "<confirm> "; <STDIN>;
 284                 if ($url =~ m@^scp://([^/]+)(.*)@) {
 285                         $, = " ";
 286                         my $host = $1;
 287                         my $dir = $2;
 288                         $dir =~ s@^/~@~@;
 289                         $dir =~ s@^/\./@@;
 290                         my $cmd = "scp @files $host:$dir\n";
 291                         `$cmd`; die if $?;
 292                 } elsif ($url =~ m@ftp://([^/]+)(.*)@) {
 293                         my $host = $1;
 294                         my $dir = $2;
 295                         open FTP, "|ftp -v $host" or die;
 296                         print FTP "cd $dir\n";
 297                         foreach my $f (@files) {
 298                                 (my $ff = $f) =~ s@.*\/([^/].*)@$1@;
 299                                 print FTP "put $f $ff\n";
 300                         }
 301                         print FTP "bye\n";
 302                         close FTP;
 303                         die if $?;
 304                 } else {
 305                         die "Don't know how to handle this URL scheme";
 306                 }
 307         }
 308 }
 309
 310 sub Dispatch($) {
 311         my ($s) = @_;
 312         $s->Test if $s->{"do_test"};
 313         $s->MakePatch if $s->{"do_patch"};
 314         $s->Upload if $s->{"do_upload"};
 315 }
 316
 317 1;