git2spec.pl

   1 #!/usr/bin/perl
   2
   3 sub create_patches {
   4     my $tag=shift;
   5     my $pdir=shift;
   6     my $num=0;
   7     open( GIT, 'git format-patch -M -N --no-signature -o "'.$pdir.'" '.$tag.' |');
   8     @lines=<GIT>;
   9     close GIT;         # be done
  10     return @lines;
  11 };
  12
  13 use POSIX qw(strftime);
  14 my $datestr = strftime "%Y%m%d", gmtime;
  15
  16 my $tag=shift;
  17 my $pdir=shift;
  18 $tag=`git describe --abbrev=0 --tags` if not defined $tag;
  19 chomp($tag);
  20 my @patches=&create_patches($tag, $pdir);
  21 my $num=$#patches + 2;
  22 $tag=~s/[^0-9]+?([0-9]+)/$1/;
  23 my $release="$num.git$datestr";
  24 $release="1" if $num == 1;
  25
  26 while(<>) {
  27     if (/^Version:/) {
  28         print "Version: $tag\n";
  29     }
  30     elsif (/^Release:/) {
  31         print "Release: $release%{?dist}\n";
  32     }
  33     elsif ((/^Source0:/) || (/^Source:/)) {
  34         print $_;
  35         $num=1;
  36         for(@patches) {
  37             s/.*\///g;
  38             print "Patch$num: $_";
  39             $num++;
  40         }
  41         print "\n";
  42     }
  43     else {
  44         print $_;
  45     }
  46 }