Verify source tar ball gpg signature.

OBS-URL: https://build.opensuse.org/package/show/network:samba:STABLE/tdb?expand=0&rev=43

tdb.spec

@@ -26,6 +26,9 @@ Name:           tdb
 %endif
 BuildRequires:  autoconf
 BuildRequires:  docbook-xsl-stylesheets
+%if 0%{?suse_version} > 1220
+BuildRequires:  gpg-offline
+%endif
 BuildRequires:  libxslt
 %if 0%{?suse_version} > 1020
 BuildRequires:  pkg-config
@@ -41,6 +44,7 @@ License:        GPL-3.0+
 Group:          System/Libraries
 Source:         http://download.samba.org/pub/tdb/tdb-%{version}.tar.gz
 Source1:        http://download.samba.org/pub/tdb/tdb-%{version}.tar.asc
+Source2:        samba-library-distribution-key.asc
 Source4:        baselibs.conf
 Patch0:         ignore-tdb1-run-transaction-expand.diff
 Patch1:         build_pie.patch
@@ -116,6 +120,11 @@ This package contains the python bindings for the Tdb library.
 
 
 %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 tdb-%{version} -q
 %ifarch ppc ppc64 ppc64le
 %patch0 -p1