Add sysusers.d config file to allow rpm to create users/groups automatically

See https://fedoraproject.org/wiki/Changes/RPMSuportForSystemdSysusers.

galera.spec

@@ -3,7 +3,7 @@ ExcludeArch: %{ix86}
 
 Name:           galera
 Version:        26.4.21
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Synchronous multi-master wsrep provider (replication engine)
 
 License:        GPLv2
@@ -19,7 +19,6 @@ Patch0:         cmake_paths.patch
 Patch1:         docs.patch
 
 BuildRequires:  boost-devel check-devel openssl-devel cmake systemd gcc-c++ asio-devel
-Requires(pre):  /usr/sbin/useradd
 Requires:       nmap-ncat
 Requires:       procps-ng
 
@@ -38,6 +37,11 @@ description of Galera replication engine see https://www.galeracluster.com web.
 %patch -P0 -p1
 %patch -P1 -p1
 
+# Create a sysusers.d config file
+cat >galera.sysusers.conf <<EOF
+u garb - 'Galera Arbitrator Daemon' /dev/null -
+EOF
+
 %build
 %{set_build_flags}
 
@@ -109,13 +113,16 @@ sed -i 's/User=nobody/User=garb/g' %{buildroot}%{_unitdir}/garbd.service
 # Maintainers from other distributions also tries to resolve it on the upstream:
 #   https://github.com/codership/galera/pull/633
 
+install -m0644 -D galera.sysusers.conf %{buildroot}%{_sysusersdir}/galera.conf
+
 
 %check
 %ctest
 
 
 %pre
-/usr/sbin/useradd -M -r -d /dev/null -s /sbin/nologin -c "Galera Arbitrator Daemon" garb >/dev/null 2>&1 || :
+# Fixup after upgrading on system before systemd unit rename
+unlink /etc/systemd/system/garb.service || :
 
 %post
 /sbin/ldconfig
@@ -150,9 +157,13 @@ sed -i 's/User=nobody/User=garb/g' %{buildroot}%{_unitdir}/garbd.service
 %doc %{_docdir}/galera/COPYING
 %doc %{_docdir}/galera/LICENSE.asio
 %doc %{_docdir}/galera/README-MySQL
+%{_sysusersdir}/galera.conf
 
 
 %changelog
+* Tue Feb 11 2025 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 26.4.21-2
+- Add sysusers.d config file to allow rpm to create users/groups automatically
+
 * Wed Feb 05 2025 Michal Schorm <mschorm@redhat.com> - 26.4.21-1
 - Rebase to 26.4.21