add support for leap-seconds.list file (RHEL-53484)

Resolves: RHEL-53484

chrony-leaplist-man.patch

@@ -0,0 +1,42 @@
+--- chrony-4.5/doc/chrony.conf.man.in	2023-12-05 14:26:13.000000000 +0100
++++ chrony.conf.man.in	2024-07-30 14:17:30.000000000 +0200
+@@ -908,9 +915,10 @@
+ .RS 4
+ This option indicates that the reference clock keeps time in TAI instead of UTC
+ and that \fBchronyd\fP should correct its offset by the current TAI\-UTC offset. The
+-\fBleapsectz\fP directive must be used with this option and the
+-database must be kept up to date in order for this correction to work as
+-expected. This option does not make sense with PPS refclocks.
++\fBleapsectz\fP or \fBleapseclist\fP directive must be
++used with this option and the database must be kept up to date in order for
++this correction to work as expected. This option does not make sense with PPS
++refclocks.
+ .RE
+ .sp
+ \fBlocal\fP
+@@ -1652,6 +1660,25 @@
+ .if n .RE
+ .RE
+ .sp
++\fBleapseclist\fP \fIfile\fP
++.RS 4
++This directive specifies the path to a file containing a list of leap seconds
++and TAI\-UTC offsets in NIST/IERS format. It is recommended to use
++the file \fIleap\-seconds.list\fP usually included with the system timezone
++database. The behaviour of this directive is otherwise equivalent to
++\fBleapsectz\fP.
++.sp
++An example of this directive is:
++.sp
++.if n .RS 4
++.nf
++.fam C
++leapseclist /usr/share/zoneinfo/leap\-seconds.list
++.fam
++.fi
++.if n .RE
++.RE
++.sp
+ \fBmakestep\fP \fIthreshold\fP \fIlimit\fP
+ .RS 4
+ Normally \fBchronyd\fP will cause the system to gradually correct any time offset,

chrony.spec

@@ -35,6 +35,10 @@ Patch4:         chrony-serverstats.patch
 Patch5:         chrony-reload.patch
 # don't repeat error log messages when reloading sourcedir
 Patch6:         chrony-logreload.patch
+# add support for leap-seconds.list file
+Patch7:         chrony-leaplist.patch
+# update asciidoctor-generated man page
+Patch8:         chrony-leaplist-man.patch
 
 BuildRequires:  gnutls-devel libcap-devel libedit-devel pps-tools-devel
 BuildRequires:  gcc gcc-c++ make bison systemd gnupg2
@@ -71,6 +75,8 @@ service to other computers in the network.
 %patch4 -p1 -b .serverstats
 %patch5 -p1
 %patch6 -p1
+%patch7 -p1
+%patch8 -p1
 
 %{?gitpatch: echo %{version}-%{gitpatch} > version.txt}