config file installation/removal

[Stefan Esser]

Am 18.02.21 um 19:51 schrieb Gerrit Kuehn:
> 
> On Tue, 16 Feb 2021 12:22:38 +0100
> Gerrit Kuehn <gerrit.kuehn at aei.mpg.de> wrote:
> 
> 
> Hello,
> 
> I think I finally found the trigger for this:
> It happens on systems where I had moved /usr/local/etc to /etc/local and
> put a link in /usr/local instead:
> 
> lrwxr-xr-x   1 root  wheel     10 Aug 31  2018 etc@ -> /etc/local
> 
> Moving the directory back to /usr/local/etc makes pkg behave as before.
> 
> I've been using this for many years on many systems, but something in
> file handling must have changed in the pkg/ports recently causing this
> strange behaviour with sample files installation/removal.
> 
> Any ideas why this changed? Is this a bug or a feature?

The @sample option in the plist file is implemented in the following
LUA code:

DBG(3)[37044]> Scripts: executing lua
--- BEGIN ---
-- args: etc/pkg.conf.sample
   args = {}
   for arg in string.gmatch("etc/pkg.conf.sample", "%S+") do
     table.insert(args, arg)
   end
   sample_file = pkg.prefixed_path(args[1])
   if args[2] == nil then
     target_file = string.gsub(sample_file,'%.sample$', "")
   else
     target_file = pkg.prefixed_path(args[2])
   end
   if not pkg.stat(target_file) then
     pkg.copy(sample_file, target_file)
   end
Scripts: --- END ---

My assumption is that pkg.stat() does not follow symbolic links, but
I have not checked whether this actually is the case.

Regards, STefan

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