#!/usr/bin/env perl

$tool = "chrony";

$version = shift || die "Usage : $0 <version>\n";
$subdir = "${tool}-${version}";

unless (-d ".git") {
  die "No .git subdirectory?"
}

unless (-d "RELEASES") {
  mkdir "RELEASES", 0755;
}

system ("git tag -s $version");
die "git-tag failed" if ($? != 0);
if (-d "RELEASES/$subdir") {
  system ("rm -rf RELEASES/$subdir");
}

system ("git archive --format=tar --prefix=RELEASES/${subdir}/ $version | tar xf -");
die "git-tar-tree failed" if ($? != 0);

chdir "RELEASES";
$here = qx/pwd/;
chomp $here;
chdir $subdir;

open (OUT, ">version.txt");
print OUT $version."\n";
close OUT;

open (IN, "<${tool}.spec.sample");
open (OUT, ">${tool}.spec");
while (<IN>) {
  s/\@\@VERSION\@\@/$version/;
  print OUT;
}
close (IN);
close (OUT);

system("makeinfo --no-headers --number-sections -o chrony.txt chrony.texi");
unlink "make_release";
unlink "${tool}.spec.sample";
unlink ".gitignore";

chdir $here;
system ("tar cvf - $subdir | gzip -9 > ${subdir}.tar.gz");
system ("gpg -b -a -o ${subdir}-tar-gz-asc.txt ${subdir}.tar.gz");