Many git directories have permissions "040000" instead of "40000".
It's also possible there are other types of weird permissions non-octal or longer than 6 octal digits permissions (though I have not seen any yet)
We should be able to store them.
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Possible solution: store them as an ascii string instead of an integer.
(An alternative would be a zero_padded boolean, but that's ugly and does not cover the other weird cases)
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Complete proposal for the above solution:
- add this to swh.model.model.DirectoryEntry (DirectoryEntry.from_dict can set it if it's missing):
perms_oct = attr.ib(type=str, validators=type_validator()) """Same as 'perms', but unparsed. This is (or should be) a POSIX-like permission mode, formatted in octal with no leading zero."""
- add the column in postgresql and cass, make the python code write it but not read, it can fill the value from the old column
- have a script to fill the new column
- optionally, make sure no component depends on the perms attribute
- remove that attribute and the corresponding columns (or make it a property that parses perms_oct if we want to allow other packages to still use it)