Matthijs Kooijman c715c11cf2 Improve template config copying (#3535) ...

* Do not overwrite config-default.conf

Previously, when config-example.conf was missing, it would be created
and config-default.conf would be made a symlink to it. However, this
would overwrite any existing config-default.conf, potentially throwing
away a user's data. This occurs when you clean up and throw away the
(cluttering) config-example.conf (and depending on whether you use a
symlink to another named config, or put data in config-default.conf,
this would either just replace the symlink, or throw away your actual
config data).

This commit splits the update checks, so no files are ever overwritten,
except a broken config-default.conf symlink.

* Do not recreate example.conf if you remove it

Previously, whenever config-example.conf (and some others) was missing,
it start copying any missing example configs. This means that if you
would remove config-example.conf to clean up your userpatches directory,
it would be recreated everytime.

Now, this is triggered by a missing config-default.conf (which is also
created by the same block of code). The creating of config-example.conf
is still there, so if you have no config-default.conf (or one of the
others listed), then config-example.conf is created anyway, with
config-default.conf being a link to it, just like before (so the
first-run behavior is unmodified).

2022-03-19 16:48:32 +01:00

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