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man: document the new RPM macros in daemon(7)

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Lennart Poettering 2012-06-21 22:36:37 +02:00
parent 590f18a27c
commit 8a422bb295
1 changed files with 34 additions and 33 deletions
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67
man/daemon.xml
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@ -801,48 +801,49 @@ endif</programlisting>
<para>In the
<citerefentry><refentrytitle>rpm</refentrytitle><manvolnum>8</manvolnum></citerefentry>
<filename>.spec</filename> file use a snippet like
the following to enable/disable the service
during installation/deinstallation. Consult
<filename>.spec</filename> file use snippets
like the following to enable/disable the
service during
installation/deinstallation. This makes use of
the RPM macros shipped along systemd. Consult
the packaging guidelines of your distribution
for details and the equivalent for other
package managers:</para>
package managers.</para>
<para>At the top of the file:</para>
<programlisting>BuildRequires: systemd
%{?systemd_requires}</programlisting>
<para>And as scriptlets, further down:</para>
<programlisting>%post
if [ $1 -eq 1 ]; then
# On install (not upgrade), enable (but don't start) the
# units by default
/bin/systemctl enable foobar.service foobar.socket >/dev/null 2>&amp;1 || :
# Alternatively, just call
# /bin/systemctl daemon-reload >/dev/null 2>&amp;1 || :
# here, if the daemon should not be enabled by default on
# installation
fi
%systemd_post foobar.service foobar.socket
%preun
if [ $1 -eq 0 ]; then
# On uninstall (not upgrade), disable and stop the units
/bin/systemctl --no-reload disable foobar.service foobar.socket >/dev/null 2>&amp;1 || :
/bin/systemctl stop foobar.service foobar.socket >/dev/null 2>&amp;1 || :
fi
%systemd_preun foobar.service foobar.socket
%postun
# Reload init system configuration, to make systemd honour changed
# or deleted unit files
/bin/systemctl daemon-reload >/dev/null 2>&amp;1 || :
if [ $1 -ge 1 ] ; then
# On upgrade (not uninstall), optionally, restart the daemon
/bin/systemctl try-restart foobar.service >/dev/null 2>&amp;1 || :
fi</programlisting>
%systemd_postun</programlisting>
<para>Depending on whether your service should
or should not be started/stopped/restarted
during package installation, deinstallation or
upgrade, a different set of commands may be
specified. See
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
for details.</para>
<para>If the service shall be restarted during
upgrades replace the
<literal>%postun</literal> scriptlet above
with the following:</para>
<programlisting>%postun
%systemd_postun_with_restart foobar.service</programlisting>
<para>Note that
<literal>%systemd_post</literal> and
<literal>%systemd_preun</literal> expect the
names of all units that are installed/removed
as arguments, separated by
spaces. <literal>%systemd_postun</literal>
expects no
arguments. <literal>%systemd_postun_with_restart</literal>
expects the units to restart as
arguments.</para>
<para>To facilitate upgrades from a package
version that shipped only SysV init scripts to