[Octave-bug-tracker] [bug #59053] 6.0.90a: invalid path in Octave desktop shortcuts if install dir was changed

[Philip Nienhuis]

Follow-up Comment #5, bug #59053 (project octave):


GNU Octave, version 6.0.90
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Processing <HOME>/.octaverc
linear-algebra load time = 0.124800
signal load time = 0.499204
io load time = 1.606809
mapping load time = 0.982807
Processing <HOME>/.octaverc complete
Total .octaverc processing time = 3.385221

>> octave_version = '';
rootpath = 'HKCU';
keypath = 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall';
[ok,txt] = system(sprintf('reg query %s\\%s', rootpath, keypath));
keys = strsplit(txt, {"\n", "\r"}, 'COLLAPSEDELIMITERS', true);
for i=1:length(keys)
  key = keys{i};
  if length(key) > 1
    tmp = strsplit(key, '\');
    if length(tmp) > 1 && strncmpi(tmp{end}, "octave", 6)
      octave_version = tmp{end};
    endif
  endif
endfor

>> try
  installpath = winqueryreg1(rootpath,[keypath '\' octave_version],
'InstallLocation');
catch
  installpath = winqueryreg(rootpath,[keypath '\' octave_version],
'UninstallString');
  [installpath,~] = fileparts(installpath);
  [installpath,~] = fileparts(installpath);
  installpath = strrep(installpath ,'"', '');
end_try_catch
printf("desktop octave path= %s\n", installpath)

error: winqueryreg: no value found for 'UninstallString' at
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Octave-7.0.0
(Local).
>>


I have several local Octave releases installed, 4.2.0, 5.2.0, 6.0.90a (I think
all "formal" binaries) and about 2-3 dev versions. In those dev versions I
have stripped most of the uninstall stuff in makeinst_script.sh and they have
several other mods (install paths, Start Menu paths).

It looks like the 6.0.90a installed Octave picks up, or tries to pick up, the
dev versions' info (i.e., latest installation before 6.0.90a, which was a
7.0.0).

Am I right to conclude that it seems that current Windows installers (I mean
the "official" ones, not the modified I make) expect no other Octave
installations?


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