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#!/usr/bin/perl
sub create_patches {
my $tag=shift;
my $pdir=shift;
my $n=1;
my @lines;
my $fname;
my $f=0;
mkdir $pdir, 0755;
open( GIT, 'git log -p --pretty=email --stat -m --first-parent --reverse --binary '.$tag.'..HEAD |');
while (<GIT>) {
if (/^From [a-z0-9]{40} .*$/) {
$fname = sprintf("%04d", $n++).".patch";
open FH, ">".$pdir."/".$fname;
$f=1;
}
if (/^---$/ && $f == 1) {
push @lines, $fname;
$f=0;
}
print FH;
}
return @lines;
};
use POSIX qw(strftime);
my $datestr = strftime "%Y%m%d", gmtime;
my $tag=shift;
my $pdir=shift;
$tag=`git describe --abbrev=0 --tags` if not defined $tag;
chomp($tag);
my @patches=&create_patches($tag, $pdir);
my $num=$#patches + 2;
$tag=~s/[^0-9]+?([0-9]+)/$1/ if $tag !~ /\b[0-9a-f]{5,40}\b/;
my $release="$num.git$datestr";
$release="1" if $num == 1;
while(<>) {
if (/^Version:/) {
print "Version: $tag\n";
}
elsif (/^%define dist_free_release/) {
print "%define dist_free_release $release\n";
}
elsif ((/^Source0:/) || (/^Source:/)) {
print $_;
$num=1;
for(@patches) {
s/.*\///g;
print "Patch$num: $_\n";
$num++;
}
print "\n";
}
else {
print $_;
}
}
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