fix upgrades from non-alternativized versions

man-db.spec

@@ -4,7 +4,7 @@
 Summary: Tools for searching and reading man pages
 Name: man-db
 Version: 2.9.1
-Release: 3%{?dist}
+Release: 4%{?dist}
 # GPLv2+ .. man-db
 # GPLv3+ .. gnulib
 License: GPLv2+ and GPLv3+
@@ -116,6 +116,9 @@ install -D -p -m 0644 %{SOURCE4} $RPM_BUILD_ROOT%{_unitdir}/man-db-restart-cache
 %find_lang %{name}-gnulib
 
 %pre
+# /usr/bin/man is now alternativized, so if it is not a symlink, remove it
+[ -L %{_bindir}/man ] || rm -f %{_bindir}/man
+
 # stop and disable timer from previous builds
 if [ -e /usr/lib/systemd/system/mandb.timer ]; then
     if test -d /run/systemd; then
@@ -225,6 +228,9 @@ fi
 %config(noreplace) %{_sysconfdir}/cron.daily/man-db.cron
 
 %changelog
+* Fri Feb 28 2020 Nikola Forró <nforro@redhat.com> - 2.9.1-4
+- fix upgrades from non-alternativized versions
+
 * Wed Feb 26 2020 Nikola Forró <nforro@redhat.com> - 2.9.1-3
 - fix %postun scriptlet