Support for 'm' in sysusers file?

[mlschroe]

Does it make sense to add support for 'm' lines in sysusers config files? This would mean the following changes:

• add a provides for every m line, e.g. "group-member(groupname) = base64_line"
• feed all such provides to systemd_sysusers tool (after all the user/group lines)

The sysusers.sh scripts already has support for 'm' lines.

[mlschroe]

Should the m lines generate user()/group() requires?

[pmatilai]

Supporting 'm' would be nice of course. It was left out of the initial implementation due to lack of time/energy to think about how to properly implement it, rather than a "never" decision.

The implicit user/group creation is indeed something that would cause problems when an explicit entry exists, so I think adding hard requires for both the user and the group is needed. Alternatively we'd need some special logic for dependency resolution of these items, where we'd favor a user/group with an EVR over one without it.

[pmatilai]

On a related note, we should probably also generate a group require on a case like this:
u cyrus 76:mail "Cyrus IMAP Server" /var/lib/imap /sbin/nologin