On May 29, 2007, at 11:17 AM, Michael Barton wrote:
William,
I’m trying to test error trapping code for the GRASS startup that
will gracefully deal with invalid .grassrc6 settings for gisdbase,
location, or mapset.
When I try to test this (i.e., with a bad setting), I get a shell
error before I even hit the gis_set.tcl file.
ERROR: LOCATION << /Users/Shared/grassdata/nothing >> not available
/Users/Shared/grassdata/nothing/PERMANENT/.gislock: No such file or
directory
ERROR: /Applications/Grass/GRASS-6.3.app/Contents/Resources/etc/lock:
cmbarton is currently running GRASS in selected mapset (file /Users/
Shared/grassdata/nothing/PERMANENT/.gislock found). Concurrent use
not allowed.
logout
I can find this the code for this in init.sh and am wondering if it
is in the script that launches the Mac app? I need to disable it to
test the TclTk (and wxPython) code. If not Mac specific, can
someone tell me where this code is?
lib/gis/location.c/G_location_path(void)
called from a couple places in libgis and g.mapsets, but I don't know
how it fits into init.sh.
Rather than simply raising an error, which would be meaningless to
someone who doesn’t know what a .grassrc6 file is, it would be
better if an invalid setting branched the GRASS startup to the
prompt that comes up when gisdbase, location, or mapset is not set—
allowing a user to choose a valid value.
I'm not sure how it's broken. For me, an invalid mapset works as it
should - it shows an error and brings up the select mapset (GUI or
text) dialog. I tried it for when the whole database path is
invalid, when the location is invalid, and when just the mapset is
invalid. The only errors I get are "LOCATION << ... >> not
available" or "MAPSET ... not found".
The only things that are run in the OSX startup (and for the .app
startup only, not with a basic unix build) are a couple scripts to
build the addon help index and menu files, and they don't need a
GRASS session or run any GRASS commands.
-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
http://www.kyngchaos.com/
"History is an illusion caused by the passage of time, and time is an
illusion caused by the passage of history."
- Hitchhiker's Guide to the Galaxy
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