Re: [PATCH try 2] t1301-shared-repo.sh: don't let a default ACL interfere with the test

[Johannes Sixt <j.sixt@viscovery.net>]

Junio C Hamano schrieb:
> Johannes Sixt <j.sixt@viscovery.net> writes:
> 
>> Junio C Hamano schrieb:
>> ...
>>>> +# Remove a default ACL from the test dir if possible.
>>>> +setfacl -k . 2>/dev/null
>>>> +
>>> Makes me wonder why this is _not_ inside test-lib.sh where it creates the
>>> test (trash) directory.  That way, you would cover future tests that wants
>>> to see a saner/simpler POSIX permission behaviour, wouldn't you?
>> But that would also paper over unanticipated bad interactions with strange
>> ACLs that people might set, wouldn't it? By not placing this into
>> test-lib.sh there is a higher chance that such an interaction is revealed,
>> and we can react on it (educate users or fix the code).
> 
> What do you exactly mean by "educate users or fix the code"?  For example,
> by not putting this setfacl in test-lib.sh, t1301 revealed that with a
> default ACL higher up, "git init --shared" would not work as expected.
> 
> Then what?
> 
>  - Do you mean, by "educate users", that we teach users not to play fun
>    games with ACL in a git controled working tree?

Correct. In the case of a shared repository we can educate users not to
play with ACLs.

>  - Do you mean, by "fix the code", that we teach adjust_shared_perm() to
>    deal with ACL?

Correct in principle, but we need not go this route in the case of shared
repositories because we better educate users.

-- Hannes