maint/release.pm

   1 #!/usr/bin/perl
   2 # A simple system for making software releases
   3 # (c) 2003--2011 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                 "do_sign" => 1,
  39         };
  40         bless $s;
  41         return $s;
  42 }
  43
  44 sub GetVersionFromFile($) {
  45         my ($s,$file,$rx) = @_;
  46         open F, $file or die "Unable to open $file for version autodetection";
  47         while (<F>) {
  48                 chomp;
  49                 if (/$rx/) {
  50                         $s->{"VERSION"} = $1;
  51                         print "Detected version $1 from $file\n" if $verbose;
  52                         last;
  53                 }
  54         }
  55         close F;
  56         if (!defined $s->{"VERSION"}) { die "Failed to auto-detect version"; }
  57         return $s->{"VERSION"};
  58 }
  59
  60 sub GetVersionsFromChangelog($) {
  61         my ($s,$file,$rx) = @_;
  62         open F, $file or die "Unable to open $file for version autodetection";
  63         while (<F>) {
  64                 chomp;
  65                 if (/$rx/) {
  66                         if (!defined $s->{"VERSION"}) {
  67                                 $s->{"VERSION"} = $1;
  68                                 print "Detected version $1 from $file\n" if $verbose;
  69                         } elsif ($s->{"VERSION"} eq $1) {
  70                                 # do nothing
  71                         } else {
  72                                 $s->{"OLDVERSION"} = $1;
  73                                 print "Detected previous version $1 from $file\n" if $verbose;
  74                                 last;
  75                         }
  76                 }
  77         }
  78         close F;
  79         if (!defined $s->{"VERSION"}) { die "Failed to auto-detect version"; }
  80         return $s->{"VERSION"};
  81 }
  82
  83 sub InitDist($) {
  84         my ($s,$dd) = @_;
  85         $s->{"DISTDIR"} = $dd;
  86         print "Initializing dist directory $dd\n" if $verbose;
  87         `rm -rf $dd`; die if $?;
  88         `mkdir -p $dd`; die if $?;
  89 }
  90
  91 sub ExpandVar($$) {
  92         my ($s,$v) = @_;
  93         if (defined $s->{$v}) {
  94                 return $s->{$v};
  95         } else {
  96                 die "Reference to unknown variable $v";
  97         }
  98 }
  99
 100 sub CopyFile($$$$) {
 101         my ($s,$f,$dir,$action) = @_;
 102
 103         (my $d = $f) =~ s@(^|/)[^/]*$@@;
 104         $d = "$dir/$d";
 105         -d $d || `mkdir -p $d`; die if $?;
 106
 107         my $preprocess = ($action =~ /p/);
 108         my $subst = ($action =~ /s/);
 109         if ($preprocess || $subst) {
 110                 open I, "$f" or die "open($f): $?";
 111                 open O, ">$dir/$f" or die "open($dir/$f): $!";
 112                 my @ifs = ();   # stack of conditions, 1=satisfied
 113                 my $empty = 0;  # last line was empty
 114                 my $is_makefile = ($f =~ /(Makefile|.mk)$/);
 115                 while (<I>) {
 116                         if ($subst) {
 117                                 s/@([0-9A-Za-z_]+)@/$s->ExpandVar($1)/ge;
 118                         }
 119                         if ($preprocess) {
 120                                 if (/^#/ || $is_makefile) {
 121                                         if (/^#?ifdef\s+(\w+)/) {
 122                                                 if (defined ${$s->{"conditions"}}{$1}) {
 123                                                         push @ifs, ${$s->{"conditions"}}{$1};
 124                                                         next;
 125                                                 }
 126                                                 push @ifs, 0;
 127                                         } elsif (/^#ifndef\s+(\w+)/) {
 128                                                 if (defined ${$s->{"conditions"}}{$1}) {
 129                                                         push @ifs, -${$s->{"conditions"}}{$1};
 130                                                         next;
 131                                                 }
 132                                                 push @ifs, 0;
 133                                         } elsif (/^#if\s+/) {
 134                                                 push @ifs, 0;
 135                                         } elsif (/^#?endif/) {
 136                                                 my $x = pop @ifs;
 137                                                 defined $x or die "Improper nesting of conditionals";
 138                                                 $x && next;
 139                                         } elsif (/^#?else/) {
 140                                                 my $x = pop @ifs;
 141                                                 defined $x or die "Improper nesting of conditionals";
 142                                                 push @ifs, -$x;
 143                                                 $x && next;
 144                                         }
 145                                 }
 146                                 @ifs && $ifs[$#ifs] < 0 && next;
 147                                 if (/^$/) {
 148                                         $empty && next;
 149                                         $empty = 1;
 150                                 } else { $empty = 0; }
 151                         }
 152                         print O;
 153                 }
 154                 close O;
 155                 close I;
 156                 ! -x $f or chmod(0755, "$dir/$f") or die "chmod($dir/$f): $!";
 157         } else {
 158                 `cp -a "$f" "$dir/$f"`; die if $?;
 159         }
 160 }
 161
 162 sub GenPackage($) {
 163         my ($s) = @_;
 164         $s->{"PKG"} = $s->{"PACKAGE"} . "-" . $s->{"VERSION"};
 165         my $dd = $s->{"DISTDIR"};
 166         my $pkg = $s->{"PKG"};
 167         my $dir = "$dd/$pkg";
 168         print "Generating $dir\n";
 169
 170         FILES: foreach my $f (`find . -type f`) {
 171                 chomp $f;
 172                 $f =~ s/^\.\///;
 173                 my $action = "";
 174                 my @rules = @{$s->{"rules"}};
 175                 while (@rules) {
 176                         my $rule = shift @rules;
 177                         my $act = shift @rules;
 178                         if ($f =~ $rule) {
 179                                 $action = $act;
 180                                 last;
 181                         }
 182                 }
 183                 ($action =~ /-/) && next FILES;
 184                 print "$f ($action)\n" if $verbose;
 185                 $s->CopyFile($f, $dir, $action);
 186         }
 187
 188         foreach my $d (@{$s->{"directories"}}) {
 189                 `mkdir -p $dir/$d`; die if $?;
 190         }
 191
 192         if (-f "$dir/Makefile") {
 193                 print "Cleaning up\n";
 194                 `cd $dir && make distclean >&2`; die if $?;
 195         }
 196
 197         print "Creating $dd/$pkg.tar.gz\n";
 198         my $tarvv = $verbose ? "vv" : "";
 199         `cd $dd && tar cz${tarvv}f $pkg.tar.gz $pkg >&2`; die if $?;
 200         push @{$s->{"distfiles"}}, "$dd/$pkg.tar.gz";
 201
 202         if ($s->{'do_sign'}) {
 203                 print "Signing package\n";
 204                 system "gpg", "--armor", "--detach-sig", "$dd/$pkg.tar.gz";
 205                 die if $?;
 206                 rename "$dd/$pkg.tar.gz.asc", "$dd/$pkg.tar.gz.sign" or die "No signature produced!?\n";
 207                 push @{$s->{"distfiles"}}, "$dd/$pkg.tar.gz.sign";
 208         }
 209
 210         my $adir = $s->{"archivedir"};
 211         my $afile = "$adir/$pkg.tar.gz";
 212         print "Archiving to $afile\n";
 213         -d $adir or `mkdir -p $adir`;
 214         `cp $dd/$pkg.tar.gz $afile`; die if $?;
 215
 216         return $dir;
 217 }
 218
 219 sub GenFile($$) {
 220         my ($s,$f) = @_;
 221         my $sf = $s->{"DISTDIR"} . "/" . $s->{"PKG"} . "/$f";
 222         my $df = $s->{"DISTDIR"} . "/$f";
 223         print "Generating $df\n";
 224         `cp $sf $df`; die if $?;
 225         push @{$s->{"distfiles"}}, $df;
 226 }
 227
 228 sub ParseOptions($) {
 229         my ($s) = @_;
 230         GetOptions(
 231                 "verbose!" => \$verbose,
 232                 "test!" => \$s->{"do_test"},
 233                 "patch!" => \$s->{"do_patch"},
 234                 "diff-against=s" => \$s->{"diff_against"},
 235                 "upload!" => \$s->{"do_upload"},
 236                 "sign!" => \$s->{"do_sign"},
 237         ) || die "Syntax: release [--verbose] [--test] [--nopatch] [--diff-against=<version>] [--noupload] [--nosign]";
 238 }
 239
 240 sub Test($) {
 241         my ($s) = @_;
 242         my $dd = $s->{"DISTDIR"};
 243         my $pkg = $s->{"PKG"};
 244         my $log = "$dd/$pkg.log";
 245         print "Doing a test compilation\n";
 246         `( cd $dd/$pkg && make ) >$log 2>&1`;
 247         die "There were errors. Please inspect $log" if $?;
 248         `grep -q [Ww]arning $log`;
 249         $? or print "There were warnings! Please inspect $log.\n";
 250         print "Cleaning up\n";
 251         `cd $dd/$pkg && make distclean`; die if $?;
 252 }
 253
 254 sub MakePatch($) {
 255         my ($s) = @_;
 256         my $dd = $s->{"DISTDIR"};
 257         my $pkg1 = $s->{"PKG"};
 258         my $oldver;
 259         if ($s->{"diff_against"} ne "") {
 260                 $oldver = $s->{"diff_against"};
 261         } elsif (defined $s->{"OLDVERSION"}) {
 262                 $oldver = $s->{"OLDVERSION"};
 263         } else {
 264                 print "WARNING: No previous version known. No patch generated.\n";
 265                 return;
 266         }
 267         my $pkg0 = $s->{"PACKAGE"} . "-" . $oldver;
 268
 269         my $oldarch = $s->{"archivedir"} . "/" . $pkg0 . ".tar.gz";
 270         -f $oldarch or die "MakePatch: $oldarch not found";
 271         print "Unpacking $pkg0 from $oldarch\n";
 272         `cd $dd && tar xzf $oldarch`; die if $?;
 273
 274         my $diff = $s->{"PACKAGE"} . "-" . $oldver . "-" . $s->{"VERSION"} . ".diff.gz";
 275         print "Creating a patch from $pkg0 to $pkg1: $diff\n";
 276         `cd $dd && diff -ruN $pkg0 $pkg1 | gzip >$diff`; die if $?;
 277         push @{$s->{"distfiles"}}, "$dd/$diff";
 278 }
 279
 280 sub Upload($) {
 281         my ($s) = @_;
 282         foreach my $u (@{$s->{"uploads"}}) {
 283                 my $url = $u->{"url"};
 284                 print "Upload to $url :\n";
 285                 my @files = ();
 286                 my $filter = $u->{"filter"} || ".*";
 287                 foreach my $f (@{$s->{"distfiles"}}) {
 288                         if ($f =~ $filter) {
 289                                 print "\t$f\n";
 290                                 push @files, $f;
 291                         }
 292                 }
 293                 print "<confirm> "; <STDIN>;
 294                 if ($url =~ m@^scp://([^/]+)(.*)@) {
 295                         $, = " ";
 296                         my $host = $1;
 297                         my $dir = $2;
 298                         $dir =~ s@^/~@~@;
 299                         $dir =~ s@^/\./@@;
 300                         my $cmd = "scp @files $host:$dir\n";
 301                         `$cmd`; die if $?;
 302                 } elsif ($url =~ m@ftp://([^/]+)(.*)@) {
 303                         my $host = $1;
 304                         my $dir = $2;
 305                         open FTP, "|ftp -v $host" or die;
 306                         print FTP "cd $dir\n";
 307                         foreach my $f (@files) {
 308                                 (my $ff = $f) =~ s@.*\/([^/].*)@$1@;
 309                                 print FTP "put $f $ff\n";
 310                         }
 311                         print FTP "bye\n";
 312                         close FTP;
 313                         die if $?;
 314                 } else {
 315                         die "Don't know how to handle this URL scheme";
 316                 }
 317         }
 318 }
 319
 320 sub Dispatch($) {
 321         my ($s) = @_;
 322         $s->Test if $s->{"do_test"};
 323         $s->MakePatch if $s->{"do_patch"};
 324         $s->Upload if $s->{"do_upload"};
 325 }
 326
 327 1;