automatically generate sysuser.d conf files #151
Merged
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systemd-sysusers offers a composable way for system users and groups to be managed by include files instead of packages trying to mutate single file databases like
/etc/passwdwith scriptlets. Yocto doesn't have built in support for generating these files from recipes, but they do have a mechanism for accumulating user and group account additions to munge the passwd/group files before imaging the system via USERADD/GROUPADD. Since these directives are already present in yocto, hooking in to this system give us the information we need. This adds a global class which hooks into this process and automatically generates sysuser.d conf files and adds them to their respective package. This is a big win because it means that packages can influence the user/groups at runtime without clobbering each other.