group ezbake builds based on legacy/modern OS

[bastelfreak]

ezbake 4 uses a proper systemd setup with Type=notify-reload, but that requires systemd 253
(https://github.com/systemd/systemd/releases/tag/v253). For older OSes, we need to stick to ezbake 2. We don't talk about ezbake 3.

ezbake 4 uses a proper systemd setup with Type=notify-reload, but that
requires systemd 253
(https://github.com/systemd/systemd/releases/tag/v253). For older OSes,
we need to stick to ezbake 2. We don't talk about ezbake 3.

new enough distros:

[root@ ~]# dnf info systemd | awk -F: '/Version/ {print $2}'
 257
[root@ ~]# . /etc/os-release && echo $PRETTY_NAME
Rocky Linux 10.2 (Red Quartz)
[root@ ~]#

root@:~# dpkg-query -W -f='${Version}\n' systemd
259.5-0ubuntu3.4
root@:~# . /etc/os-release && echo $PRETTY_NAME
Ubuntu 26.04 LTS
root@:~#

root@:~# dpkg-query -W -f='${Version}\n' systemd
255.4-1ubuntu8.17
root@:~# . /etc/os-release && echo $PRETTY_NAME
Ubuntu 24.04.4 LTS
root@:~#

root@:~# dpkg-query -W -f='${Version}\n' systemd
257.13-1~deb13u1
root@:~# . /etc/os-release && echo $PRETTY_NAME
Debian GNU/Linux 13 (trixie)
root@:~#

:~ # rpm -q --qf '%{VERSION}-%{RELEASE}\n' systemd
257.13-160000.3.1
:~ # . /etc/os-release && echo $PRETTY_NAME
openSUSE Leap 16.0
:~ #

[root@ab39cabf7c08 /]# dnf update -qq
Nothing to do.
[root@ab39cabf7c08 /]# dnf repoquery --latest-limit=1 --qf '%{evr}\n' systemd.x86_64
Updating and loading repositories:
Repositories loaded.
261.2-1.fc45
[root@ab39cabf7c08 /]# . /etc/os-release && echo $PRETTY_NAME
Fedora Linux 45 (Container Image Prerelease)
[root@ab39cabf7c08 /]#

[root@c2b641037f08 /]# dnf update -qq
Nothing to do.
[root@c2b641037f08 /]# dnf repoquery --latest-limit=1 --qf '%{evr}\n' systemd.x86_64
Updating and loading repositories:
Repositories loaded.
259.8-1.fc44
[root@c2b641037f08 /]# . /etc/os-release && echo $PRETTY_NAME
Fedora Linux 44 (Container Image)
[root@c2b641037f08 /]#

[root@7efb7c6d6f19 /]# dnf update -qq
Nothing to do.
[root@7efb7c6d6f19 /]# dnf repoquery --latest-limit=1 --qf '%{evr}\n' systemd.x86_64
Updating and loading repositories:
Repositories loaded.
258.10-1.fc43
[root@7efb7c6d6f19 /]# . /etc/os-release && echo $PRETTY_NAME
Fedora Linux 43 (Container Image)
[root@7efb7c6d6f19 /]#

too old:

[root@ ~]# dnf update --quiet; dnf info --installed systemd | awk -F: '/Version/ {print $2}'
 252
[root@ ~]# . /etc/os-release && echo $PRETTY_NAME
Rocky Linux 9.8 (Blue Onyx)
[root@ ~]#

root@:~# dpkg-query -W -f='${Version}\n' systemd
249.11-0ubuntu3.22
root@:~# . /etc/os-release && echo $PRETTY_NAME
Ubuntu 22.04.5 LTS
root@:~#

95e17cdb5eb8:/ # zypper search -s --match-exact systemd
Refreshing service 'container-suseconnect-zypp'.
Loading repository data...
Reading installed packages...

S  | Name    | Type    | Version              | Arch   | Repository
---+---------+---------+----------------------+--------+-----------
   | systemd | package | 249.17-150400.8.49.2 | x86_64 | SLE_BCI
95e17cdb5eb8:/ # . /etc/os-release && echo $PRETTY_NAME
SUSE Linux Enterprise Server 15 SP5
95e17cdb5eb8:/ #

bash-5.2# dnf repoquery --latest-limit=1 --qf '%{evr}' systemd.x86_64
Last metadata expiration check: 0:00:27 ago on Sat Aug 15 10:24:53 2026.
252.23-12.amzn2023
bash-5.2# . /etc/os-release && echo $PRETTY_NAME
Amazon Linux 2023.12.20260803
bash-5.2#

Signed-off-by: Tim Meusel tim@bastelfreak.de

Short description

Checklist

I have:

• read the CONTRIBUTING.md document
• read and accepted the Developer Certificate of Origin document and added a Signed-off-by annotation to each of my commits
• read and accepted the AI Policy document and added Generated-by or Assisted-by annotations to each of my commits created with the help of an AI agent
• tested this code
• included documentation (including possible behaviour changes)
• documented the code
• added or modified regression test(s)
• added or modified unit test(s)