"" is not a valid path (stat() on it returns ENOENT). Previously,
a full GLocalFile was being created, which ended up resolving to
$CWD, through path canonicalisation. That isn’t right.
Fix it by creating a GDummyFile instead, and adding a unit test.
Signed-off-by: Philip Withnall pwithnall@endlessos.org
Fixes: #2328 (closed)