!2 【轻量级 PR】：define mod_name to opitomize the specfile

From: @yangmingtaip 
Reviewed-by: @licunlong 
Signed-off-by: @licunlong

perl-Env.spec

@@ -1,10 +1,11 @@
-Name:           perl-Env
+%define mod_name Env
+Name:           perl-%{mod_name}
 Version:        1.04
-Release:        397
+Release:        398
 Summary:        Perl module that imports environment variables as scalars or arrays
 License:        GPL+ or Artistic
-URL:            http://search.cpan.org/dist/Env/
-Source0:        http://www.cpan.org/authors/id/F/FL/FLORA/Env-%{version}.tar.gz
+URL:            http://search.cpan.org/dist/%{mod_name}/
+Source0:        http://www.cpan.org/authors/id/F/FL/FLORA/%{mod_name}-%{version}.tar.gz
 BuildArch:      noarch
 BuildRequires:  perl-interpreter perl-generators
 BuildRequires:  perl(ExtUtils::MakeMaker) >= 6.30
@@ -20,7 +21,7 @@ variables to be treated as scalar or array variables.
 %package_help
 
 %prep
-%autosetup -n Env-%{version} -p1
+%autosetup -n %{mod_name}-%{version} -p1
 
 %build
 perl Makefile.PL INSTALLDIRS=vendor NO_PERLLOCAL=1 NO_PACKLIST=1
@@ -43,6 +44,9 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Mon Oct 24 2022 yangmingtai <yangmingtai@huawei.com> - 1.04-398
+- define mod_name to opitomize the specfile
+
 * Sun Sep 29 2019 openEuler Buildteam <buildteam@openeuler.org> - 1.04-397
 - Type:enhancement
 - ID:NA