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nixpkgs/nixos/modules/system/etc
Alexey Shmalko fe9cabedf0
etc: remove obsolete directories
This patch adds handling of a directory becoming a symlink in
/etc. Before this patch, the directory wasn't removed and then
symlinking failed, which caused directory not being updated at all.

The idea for the patch goes to @abbradar at
https://github.com/NixOS/nixpkgs/issues/16978#issuecomment-232921903:
> A heuristic idea for this -- a function `isStatic :: Path -> Bool`:
>
> * if path `/etc/foo` is a file, return True iff it's a symlink to `/etc/static/foo`.
> * if path is a directory, return True iff for all items in it `isStatic` is True.
>
> On any conflicts, if old path is static, it's safe to replace and/or
> delete stale. Otherwise make a backup and notify the user via a
> journal entry and console output.

The only difference here -- it will not replace user configs.

This also fixes https://github.com/NixOS/nixpkgs/issues/16978.
2016-07-25 15:50:53 +03:00
..
etc.nix Update etc example to not use a real config file 2016-04-27 10:27:52 -05:00
make-etc.sh etc: uid/gid support for copied files 2014-02-23 18:00:47 -06:00
setup-etc.pl etc: remove obsolete directories 2016-07-25 15:50:53 +03:00