Rewrite shell bang according to used perl

perl-CPAN-Meta.spec

@@ -1,7 +1,7 @@
 Name:           perl-CPAN-Meta
 Summary:        Distribution metadata for a CPAN dist
 Version:        2.150010
-Release:        394%{?dist}
+Release:        395%{?dist}
 License:        GPL+ or Artistic
 URL:            http://search.cpan.org/dist/CPAN-Meta/
 Source0:        http://search.cpan.org/CPAN/authors/id/D/DA/DAGOLDEN/CPAN-Meta-%{version}.tar.gz
@@ -12,6 +12,7 @@ BuildRequires:  findutils
 BuildRequires:  make
 BuildRequires:  perl-interpreter
 BuildRequires:  perl-generators
+BuildRequires:  perl(Config)
 BuildRequires:  perl(ExtUtils::MakeMaker) >= 6.17
 # Module
 BuildRequires:  perl(Carp)
@@ -65,7 +66,7 @@ structure stored in the META.json file is described in CPAN::Meta::Spec.
 %setup -q -n CPAN-Meta-%{version}
 
 # silence rpmlint warnings
-sed -i '1s,#!.*perl,#!%{__perl},' t/*.t
+perl -MConfig -pi -e 's,^#!.*perl,$Config{startperl},' t/*.t
 
 %build
 perl Makefile.PL INSTALLDIRS=vendor
@@ -100,6 +101,9 @@ make test
 %{_mandir}/man3/Parse::CPAN::Meta.3*
 
 %changelog
+* Mon Dec 18 2017 Petr Pisar <ppisar@redhat.com> - 2.150010-395
+- Rewrite shell bang according to used perl
+
 * Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.150010-394
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild