use file triggers instead of crontabs for updating cache

man-db.crondaily

@@ -1,27 +0,0 @@
-#!/bin/bash
-
-if [ -e /etc/sysconfig/man-db ]; then
-    . /etc/sysconfig/man-db
-fi
-
-if [ "$CRON" = "no" ]; then
-   exit 0
-fi
-
-renice +19 -p $$ >/dev/null 2>&1
-ionice -c3 -p $$ >/dev/null 2>&1
-
-LOCKFILE=/var/lock/man-db.lock
-
-# the lockfile is not meant to be perfect, it's just in case the
-# two man-db cron scripts get run close to each other to keep
-# them from stepping on each other's toes.  The worst that will
-# happen is that they will temporarily corrupt the database
-[[ -f $LOCKFILE ]] && exit 0
-
-trap "{ rm -f $LOCKFILE ; exit 0; }" EXIT
-touch $LOCKFILE
-# create/update the mandb database
-mandb $OPTS
-
-exit 0

man-db.spec

@@ -4,7 +4,7 @@
 Summary: Tools for searching and reading man pages
 Name: man-db
 Version: 2.7.3
-Release: 1%{?dist}
+Release: 2%{?dist}
 # GPLv2+ .. man-db
 # GPLv3+ .. gnulib
 License: GPLv2+ and GPLv3+
@@ -12,8 +12,6 @@ Group: System Environment/Base
 URL: http://www.nongnu.org/man-db/
 
 Source0: http://download.savannah.gnu.org/releases/%{name}/%{name}-%{version}.tar.xz
-Source1: man-db.crondaily
-Source2: man-db.sysconfig
 Patch0: 1151558-switch-man-and-root-in-init-systemd-man-db.conf.patch
 
 Obsoletes: man < 2.0
@@ -22,7 +20,7 @@ Provides: man-pages-reader = %{version}
 # FPC exception for gnulib - copylib - https://fedorahosted.org/fpc/ticket/174
 Provides: bundled(gnulib) = %{gnulib_ver}
 
-Requires: coreutils, grep, groff-base, gzip, less, crontabs
+Requires: coreutils, grep, groff-base, gzip, less
 BuildRequires: gdbm-devel, gettext, groff, less, libpipeline-devel, zlib-devel
 BuildRequires: po4a
 
@@ -62,12 +60,6 @@ rm $RPM_BUILD_ROOT%{_libdir}/man-db/*.la
 # install cache directory
 install -d -m 0755  $RPM_BUILD_ROOT%{cache}
 
-# install cron script for man-db creation/update
-install -D -p -m 0755 %{SOURCE1} $RPM_BUILD_ROOT/etc/cron.daily/man-db.cron
-
-# config for cron script
-install -D -p -m 0644 %{SOURCE2} $RPM_BUILD_ROOT/etc/sysconfig/man-db
-
 # config for tmpfiles.d
 install -D -p -m 0644 init/systemd/man-db.conf $RPM_BUILD_ROOT/usr/lib/tmpfiles.d/.
 
@@ -87,13 +79,19 @@ fi
 %post
 %{__rm} -rf %{cache}/*
 
+# update cache
+%transfiletriggerin -- %{_mandir}
+/usr/bin/mandb -q
+
+# update cache
+%transfiletriggerpostun -- %{_mandir}
+/usr/bin/mandb -q
+
 %files -f %{name}.lang -f %{name}-gnulib.lang
 %{!?_licensedir:%global license %%doc}
 %license docs/COPYING
 %doc README man-db-manual.txt man-db-manual.ps ChangeLog NEWS
 %config(noreplace) %{_sysconfdir}/man_db.conf
-%config(noreplace) %{_sysconfdir}/sysconfig/man-db
-%config(noreplace) %{_sysconfdir}/cron.daily/man-db.cron
 %config(noreplace) /usr/lib/tmpfiles.d/man-db.conf
 %{_sbindir}/accessdb
 %{_bindir}/man
@@ -134,6 +132,9 @@ fi
 %lang(zh_CN)   %{_datadir}/man/zh_CN/man*/*
 
 %changelog
+* Thu Sep 10 2015 Nikola Forró <nforro@redhat.com> - 2.7.3-2
+- use file triggers instead of crontabs for updating cache
+
 * Thu Sep 10 2015 Nikola Forró <nforro@redhat.com> - 2.7.3-1
 - update to 2.7.3
   resolves #1261678

man-db.sysconfig

@@ -1,6 +0,0 @@
-# Set to no to disable daily man-db update by /etc/cron.daily/man-db.cron
-CRON="yes"
-
-# Options used by mandb in /etc/cron.daily/man-db.cron,
-# we use -q as default, too much noise without.
-OPTS="-q"