Verify source tar ball gpg signature.

OBS-URL: https://build.opensuse.org/package/show/network:samba:STABLE/talloc?expand=0&rev=23

talloc.spec

@@ -27,6 +27,9 @@ Name:           talloc
 BuildRequires:  autoconf
 BuildRequires:  docbook-xsl-stylesheets
 BuildRequires:  doxygen
+%if 0%{?suse_version} > 1220
+BuildRequires:  gpg-offline
+%endif
 BuildRequires:  libxslt
 %if 0%{?suse_version} > 1020
 BuildRequires:  pkg-config
@@ -45,6 +48,8 @@ Summary:        Samba talloc Library
 License:        LGPL-3.0+
 Group:          System/Libraries
 Source:         http://download.samba.org/pub/talloc/talloc-%{version}.tar.gz
+Source1:        http://download.samba.org/pub/talloc/talloc-%{version}.tar.asc
+Source2:        samba-library-distribution-key.asc
 Source4:        baselibs.conf
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
@@ -104,6 +109,11 @@ Libraries and Header Files to Develop Programs with pytalloc Support
 
 
 %prep
+%if 0%{?suse_version} > 1220
+gzip -dc %{SOURCE0} >${RPM_SOURCE_DIR}/%{name}-%{version}.tar
+%{?gpg_verify: %gpg_verify --keyring %{SOURCE2} %{SOURCE1}}
+rm ${RPM_SOURCE_DIR}/%{name}-%{version}.tar
+%endif
 %setup -n talloc-%{version} -q
 
 %build