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	Tue, 21 Mar 2023 12:43:58 -0700 (PDT)
From:	"vzh (vzhbanov AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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	<20230320112351 DOT 68F568497643 AT turkos DOT aspodata DOT se>
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To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] Unknown config key
Date:	Tue, 21 Mar 2023 22:32:35 +0300
In-reply-to:	<20230320112351.68F568497643@turkos.aspodata.se>
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Hi Karl,

"karl AT aspodata DOT se [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com> writes:

> Karl:
>> $ git branch -v
>> * (HEAD detached at
>> vzh/sch2pcb-rewrite-sch2pcb-add-elements-in-scheme) 60d7148f0
>> sch2pcb: Rewrite sch2pcb_add_elements() in Scheme.
> ...
>>   I get (after make install):
>> $ lepton-sch2pcb styrkort.sch 
>> Unknown config key: "."
>> Unknown config key: "/home/karl/git/openhw/share/pcb/"
>> Unknown config key: "/usr/share/pcb/pcblib-newlib/"
>> ...
>
>  Ok, I found the file:
> $ cat ~/.config/lepton-eda/gsch2pcb 
> d .
> d /home/karl/git/openhw/share/pcb/
> d /usr/local/share/pcb/pcblib-newlib/
> d /usr/local/share/pcb/newlib/
>
>  In geda-gaf, ~/.gEDA/gsch2pcb is one of three "default"
>  project files:
> $ grep -B1 -A17 ^load_extra_project_files geda-gaf/utils/src/gsch2pcb.c 
> static void
> load_extra_project_files (void)
> {
>   gchar *path;
>   static gboolean done = FALSE;
>
>   if (done)
>     return;
>
>   load_project ("/etc/gsch2pcb");
>   load_project ("/usr/local/etc/gsch2pcb");
>
>   path = g_build_filename ((gchar *) g_get_home_dir (), ".gEDA",
>                            "gsch2pcb", NULL);
>   load_project (path);
>   g_free (path);
>
>   done = TRUE;
> }
>
> load_project() reads lines, splitting it in a config and a arg variable,
> and then calls parse_config() (line 1199-1576).
>
> parse_config() strcmp's the config variable, it can be either a long or
> a short string as in e.g. (line 1173-1180):
>
>   if (!strcmp (config, "elements-dir") || !strcmp (config, "d")) {
>     gchar *elements_dir = expand_dir (arg);
>     if (verbose > 1)
>       printf ("\tAdding directory to file element directory list: %s\n",
>               elements_dir);
>     element_directory_list =
>       g_list_prepend (element_directory_list, elements_dir);
>   } else if (!strcmp (config, "output-name") || !strcmp (config, "o"))
>
> So the "d" in my file adds a directory where to search for footprint
> (element) files.
>
> ///
>
>  The source of lepton-sch2pcb seems to be in:
> ./liblepton/include/liblepton/sch2pcb.h
> ./liblepton/scheme/lepton/ffi/sch2pcb.scm
> ./liblepton/src/sch2pcb.c
> ./tools/sch2pcb/lepton-sch2pcb.scm
>
> Your parse-config is in tools/sch2pcb/lepton-sch2pcb.scm (line 322-360).
> Line 359 has the error message:
>                  (G_ "Unknown config key: ~S\n")
>
> In line 335-341, you do the matching for elements-dir, but you
> are ignoring the short, one letter keys:
>       ("elements-dir"
>        (let ((elements-dir (expand-env-variables value)))
>          (when (> (sch2pcb_get_verbose_mode) 1)
>            (format #t
>                    "\tAdding directory to file element directory list: ~A\n"
>                    elements-dir))
>          (sch2pcb_element_directory_list_prepend (string->pointer elements-dir))))
>
> Changing the line with the pattern to:
>       ((or "elements-dir" "d")
> solves it for the "d" key.
>
> Patch attached.

This behavior is intentional, sorry.  The commit d8fff1e9c already
present in the repository reads:

  sch2pcb: Rewrite sch2pcb_parse_config() in Scheme.
  
  Unlike in previous C code, processing of short options is dropped
  as they were intended only for using as command line options and
  other using is not documented.

So I'm not going to change it.  Moreover, the project rc files are
subject to be replaced with standard lepton configuration files,
lepton.conf and such.  What should be done, IMO, is to clearly state
this in lepton NEWS and manuals.

With best regards,
  Vladimir

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