[bacula] Add versioned library to alternatives system

[Simone Caronni]

commit 29391a88d0a20f252c794aa5d78c5dd6c543414c
Author: Simone Caronni <negativo17 at gmail.com>
Date:   Fri May 16 17:04:29 2014 +0200

    Add versioned library to alternatives system

 bacula.spec |   20 ++++++++++++++++----
 1 files changed, 16 insertions(+), 4 deletions(-)
---
diff --git a/bacula.spec b/bacula.spec
index 592f5b6..81a9652 100644
--- a/bacula.spec
+++ b/bacula.spec
@@ -19,7 +19,7 @@
 
 Name:               bacula
 Version:            7.0.3
-Release:            2%{?dist}
+Release:            3%{?dist}
 Summary:            Cross platform network backup for Linux, Unix, Mac and Windows
 # See LICENSE for details
 License:            AGPLv3 with exceptions
@@ -475,9 +475,18 @@ rm -rf %{buildroot}
 exit 0
 
 %post libs-sql
-/usr/sbin/alternatives --install %{_libdir}/libbaccats.so libbaccats.so %{_libdir}/libbaccats-mysql.so 50
-/usr/sbin/alternatives --install %{_libdir}/libbaccats.so libbaccats.so %{_libdir}/libbaccats-sqlite3.so 40
-/usr/sbin/alternatives --install %{_libdir}/libbaccats.so libbaccats.so %{_libdir}/libbaccats-postgresql.so 60
+# Add alternative on unversioned library, so it's not broken during upgrades,
+# and use the versioned library as a slave alternative.
+/usr/sbin/alternatives \
+    --install %{_libdir}/libbaccats.so libbaccats.so %{_libdir}/libbaccats-mysql.so 50 \
+    --slave %{_libdir}/libbaccats-%{version}.so libbaccats-%{version}.so %{_libdir}/libbaccats-mysql-%{version}.so
+/usr/sbin/alternatives \
+    --install %{_libdir}/libbaccats.so libbaccats.so %{_libdir}/libbaccats-sqlite3.so 40 \
+    --slave %{_libdir}/libbaccats-%{version}.so libbaccats-%{version}.so %{_libdir}/libbaccats-sqlite3-%{version}.so
+/usr/sbin/alternatives \
+    --install %{_libdir}/libbaccats.so libbaccats.so %{_libdir}/libbaccats-postgresql.so 60 \
+    --slave %{_libdir}/libbaccats-%{version}.so libbaccats-%{version}.so %{_libdir}/libbaccats-postgresql-%{version}.so
+
 # Fix for automatic selection of backends during upgrades
 if readlink /etc/alternatives/libbaccats.so | grep --silent mysql || \
    readlink /etc/alternatives/bacula-dir | grep --silent mysql || \
@@ -751,6 +760,9 @@ fi
 %{_libdir}/nagios/plugins/check_bacula
 
 %changelog
+* Fri May 16 2014 Simone Caronni <negativo17 at gmail.com> - 7.0.3-3
+- Add versioned library to alternatives system.
+
 * Fri May 16 2014 Simone Caronni <negativo17 at gmail.com> - 7.0.3-2
 - Filter out libbaccats from auto generated Provides/Obsoletes and add note on
   the libbaccats-x.x.x.so shared object name mess.