fix sed replacement to use
@@ -165,7 +165,7 @@ foreach my $distro (@distros) {
my $contents = $file_update->slurp_utf8;
$contents =~ s/\@VERSION_MINOR\@/$base_release/g;
$contents =~ s/\@VERSION_MICRO\@/$release/g;
- $contents =~ s/\@DIST\@/$distro/g;
+ $contents =~ s/\@DISTRO\@/$distro/g;
$file_update->spew_utf8( $contents );
# Copy mk_repo utility
