Re: [PATCH 2/5] gitweb: Move check-ref-format code into separate function

> This check will be used in more than one place later.
>
> Signed-off-by: Krzesimir Nowak <krzesimir@endocode.com>
> Reviewed-by: Junio C Hamano <gitster@pobox.com>
> Reviewed-by: Jakub Narębski <jnareb@gmail.com>

> ---
>  gitweb/gitweb.perl | 17 +++++++++++++----
>  1 file changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
> index ee61f9e..67415b9 100755
> --- a/gitweb/gitweb.perl
> +++ b/gitweb/gitweb.perl
> @@ -1452,6 +1452,16 @@ sub validate_pathname {
>         return $input;
>  }
>
> +sub check_ref_format {
> +       my $input = shift || return undef;
> +
> +       # restrictions on ref name according to git-check-ref-format
> +       if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
> +               return undef;
> +       }
> +       return $input;
> +}
> +
>  sub validate_refname {
>         my $input = shift || return undef;
>
> @@ -1462,10 +1472,9 @@ sub validate_refname {
>         # it must be correct pathname
>         $input = validate_pathname($input)
>                 or return undef;
> -       # restrictions on ref name according to git-check-ref-format
> -       if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
> -               return undef;
> -       }
> +       # check git-check-ref-format restrictions
> +       check_ref_format($input)
> +               or return undef;
>         return $input;
>  }