F22 System Wide Change: Systemd Package Split

Jaroslav Reznik jreznik at redhat.com
Wed Jan 21 11:21:23 UTC 2015

= Proposed System Wide Change: Systemd Package Split =

Change owner(s): Zbigniew Jędrzejewski-Szmek <zbyszek at in.waw.pl>

Split systemd-units out of the main systemd package 

== Detailed Description ==
Systemd contains many binaries and depends on a fairly large number of 
libraries. Packages which carry systemd units currently have to depend on 
systemd (through %post, %preun, %postun macros used to install and uninstall 
systemd units), which grows the dependency tree and increases the size of 
minimal installs.

With this proposal systemd-units subpackages will be split out again:

This subpackage will contain the directories and binaries necessary to satisfy 
%post, %preun, %postun macros for packages containing systemd units 
(systemctl, systemd-escape, systemd-sysusers, udevadm, journalctl), and config 
information (pkg-config files).

The main systemd package would require this package so it will be pulled in on 
all existing systems. All packages which have BuildRequires:systemd will also 
pull it in transitively.

Systemd previously had a -units subpackage and ~150 packages still depend on 
it. Those packages would start using the reduced subpackage immediately. Other 
packages wishing to use the reduced dependency, would have to change the 
BuildRequires and Requires to systemd-units. 

== Scope ==
* Proposal owners: Create the subpackage, test that macros work as expected. 

* Other developers: Change the BuildRequires and Requires to systemd-units if 

* Release engineering: None 
* Policies and guidelines: s/systemd/systemd-units/ in the appropriate places. 

== Contingency Plan ==
* Revert the packaging change and rebuild systemd. Main systemd package would 
provide systemd-units, as it does now, so no other changes should be 
* Contingency deadline: should be possible at any time.
* Blocks release? No.
* Blocks product? No. 
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