Use systemd-tmpfiles for /var/spool/at directories

Replace RPM scriptlets with systemd-tmpfiles to create /var/spool/at
structure, fixing Image Mode compatibility and bootc container lint
warnings.

Resolves: RHEL-110320

at-tmpfiles.conf

@@ -0,0 +1,7 @@
+# at - Tmpfiles configuration for at daemon
+# Create /var/spool/at directory structure for the at daemon
+
+d /var/spool/at 0700 root root - -
+d /var/spool/at/spool 0700 root root - -
+f /var/spool/at/.SEQ 0600 root root - -
+

at.spec

@@ -3,7 +3,7 @@
 Summary:    Job spooling tools
 Name:       at
 Version:    3.2.5
-Release:    13%{?dist}
+Release:    14%{?dist}
 # http://packages.debian.org/changelogs/pool/main/a/at/current/copyright
 # + install-sh is MIT license with changes under Public Domain
 License:    GPL-3.0-or-later AND GPL-2.0-or-later AND ISC
@@ -12,6 +12,7 @@ URL:        http://ftp.debian.org/debian/pool/main/a/at
 Source:     http://software.calhariz.com/at/at_%{version}.orig.tar.gz
 # git upstream source git://git.debian.org/git/collab-maint/at.git
 Source1:    pam_atd
+Source2:    at-tmpfiles.conf
 Source3:    atd.sysconf
 Source5:    atd.systemd
 
@@ -38,6 +39,7 @@ BuildRequires: flex flex-static bison autoconf
 BuildRequires: libselinux-devel >= 1.27.9
 BuildRequires: perl(Test::Harness)
 BuildRequires: perl(Test::More)
+BuildRequires: systemd-rpm-macros
 
 %if %{with pam}
 BuildRequires: pam-devel
@@ -115,18 +117,24 @@ install -m 644 %{SOURCE3} %{buildroot}/etc/sysconfig/atd
 mkdir -p %{buildroot}/%{_unitdir}/
 install -m 644 %{SOURCE5} %{buildroot}/%{_unitdir}/atd.service
 
+# install tmpfiles configuration
+mkdir -p %{buildroot}%{_tmpfilesdir}
+install -m 644 %{SOURCE2} %{buildroot}%{_tmpfilesdir}/at.conf
+
 # remove unpackaged files from the buildroot
 rm -r  %{buildroot}%{_prefix}/doc
+# Remove .SEQ file created by make install - tmpfiles will create it
+rm -f %{buildroot}%{_localstatedir}/spool/at/.SEQ
 
 %check
 make test
 
 %post
-touch %{_localstatedir}/spool/at/.SEQ
-chmod 600 %{_localstatedir}/spool/at/.SEQ
-chown root:root %{_localstatedir}/spool/at/.SEQ
 %systemd_post atd.service
 
+# Create directories and files using tmpfiles
+%tmpfiles_create at.conf
+
 %preun
 %systemd_preun atd.service
 
@@ -151,10 +159,10 @@ chown root:root %{_localstatedir}/spool/at/.SEQ
 %doc README timespec ChangeLog
 %attr(0644,root,root)       %config(noreplace) %{_sysconfdir}/at.deny
 %attr(0644,root,root)       %config(noreplace) %{_sysconfdir}/sysconfig/atd
-%attr(0700,root,root)       %dir %{_localstatedir}/spool/at
-%attr(0600,root,root)       %verify(not md5 size mtime) %ghost %{_localstatedir}/spool/at/.SEQ
-%attr(0700,root,root)       %dir %{_localstatedir}/spool/at/spool
 %attr(0644,root,root)       %config(noreplace) %{_sysconfdir}/pam.d/atd
+%attr(0700,root,root)       %dir %{_localstatedir}/spool/at
+%attr(0700,root,root)       %dir %{_localstatedir}/spool/at/spool
+%{_tmpfilesdir}/at.conf
 %{_sbindir}/atrun
 %attr(0755,root,root)       %{_sbindir}/atd
 %{_mandir}/man*/*
@@ -162,10 +170,14 @@ chown root:root %{_localstatedir}/spool/at/.SEQ
 %{_bindir}/atrm
 %{_bindir}/atq
 %attr(4755,root,root)       %{_bindir}/at
-%{_datadir}/at/batch-job
+%{_datadir}/at/
 %attr(0644,root,root)       /%{_unitdir}/atd.service
 
 %changelog
+* Fri Sep 19 2025 Ondřej Pohořelský <opohorel@redhat.com> - 3.2.5-14
+- Use systemd-tmpfiles for /var/spool/at directories
+- Resolves: RHEL-110320
+
 * Mon Jun 30 2025 Ondřej Pohořelský <opohorel@redhat.com> - 3.2.5-13
 - Add patch to fix past date handling
 - Resolves: RHEL-100334