Add logic for closing the loop hole on soname bumps

Explicitly force manual intervention for soname bumps

Signed-off-by: Björn Esser <besser82@fedoraproject.org>

libnsl2.spec

@@ -1,21 +1,28 @@
-%global commit0 4a062cf4180d99371198951e4ea5b4550efd58a3
-%global shortcommit0 %(c=%{commit0}; echo ${c:0:7})
+# Uncomment on initial build for soname bump.
+%global bump_soname 1
+%global sover 3
 
+%if 0%{?bump_soname}
+%global relsuffix ~sonamebump
+%global old_sover %(echo $((%{sover}-1)))
+%endif
 
 Name:       libnsl2
 Version:    2.0.0
-Release:    1%{?dist}
+Release:    1%{?relsuffix}%{?dist}
 Summary:    Public client interface library for NIS(YP) and NIS+
 
 License:    BSD and LGPLv2+
 URL:        https://github.com/thkukuk/libnsl
 
-
 Source0:    https://github.com/thkukuk/libnsl/archive/v%{version}.tar.gz
 
 BuildRequires: autoconf, automake, gettext-devel, libtool, libtirpc-devel
 BuildRequires: make
 BuildRequires: gcc
+%if 0%{?bump_soname}
+BuildRequires: libnsl.so.%{old_sover}
+%endif
 
 %description
 This package contains the libnsl library. This library contains
@@ -38,24 +45,28 @@ Development files for libnsl2
 %build
 autoreconf -fiv
 
-%configure\
-    --libdir=%{_libdir}\
+%configure \
+    --libdir=%{_libdir} \
     --includedir=%{_includedir}
 
 %make_build
 
 
 %install
-
 %make_install
 
-rm %{buildroot}/%{_libdir}/libnsl.a
-rm %{buildroot}/%{_libdir}/libnsl.la
+rm %{buildroot}%{_libdir}/libnsl.{a,la}
+
+%if 0%{?bump_soname}
+cp -p %{_libdir}/libnsl.so.%{old_sover}* %{buildroot}%{_libdir}
+%endif
 
 %files
-%{_libdir}/libnsl.so.*
-
 %license COPYING
+%{_libdir}/libnsl.so.%{sover}*
+%if 0%{?bump_soname}
+%{_libdir}/libnsl.so.%{old_sover}*
+%endif
 
 %files devel
 %{_libdir}/libnsl.so
@@ -63,6 +74,10 @@ rm %{buildroot}/%{_libdir}/libnsl.la
 %{_libdir}/pkgconfig/libnsl.pc
 
 %changelog
+* Thu Nov 11 2021 Björn Esser <besser82@fedoraproject.org> - 2.0.0-1
+- Add logic for closing the loop hole on soname bumps
+- Explicitly force manual intervention for soname bumps
+
 * Thu Nov 11 2021 Matej Mužila <mmuzila@redhat.com> - 2.0.0-1
 - Rebase to new upstream version
 
@@ -127,4 +142,3 @@ rm %{buildroot}/%{_libdir}/libnsl.la
 
 * Mon Apr 10 2017 Matej Mužila <mmuzila@redhat.com> 1.0.4-4
 - Initial version for 1.0.4
-