Re: undocumented core.sharedRepository=2 set by git init --shared=world

> On Tue, Jul 07, 2015 at 10:14:28AM +0200, Johannes Schindelin wrote:
>> Hi Joey,
>>
>> On 2015-07-06 21:25, Joey Hess wrote:
>> > joey@darkstar:~/tmp>git init --shared=world testrepo
>> > Initialized empty shared Git repository in /home/joey/tmp/testrepo/.git/
>> > joey@darkstar:~/tmp>grep shared testrepo/.git/config
>> > 	sharedrepository = 2
>> >
>> > This magic value of 2 seems to be undocumented, as is the magic value of 1
>> > that's equvilant to "group".
>> >
>> > I think it would be better to have git init put in "world" or "group" and not
>> > these magic values. Anyway, I suppose they ought to be documented too.
>>
>> The rationale can be found here:
>> https://github.com/git/git/blob/v2.4.5/builtin/init-db.c#L413-L418
>>
>> 		/* We do not spell "group" and such, so that
>> 		 * the configuration can be read by older version
>> 		 * of git. Note, we use octal numbers for new share modes,
>> 		 * and compatibility values for PERM_GROUP and
>> 		 * PERM_EVERYBODY.
>> 		 */
>>
>> I am sympathetic to your wish, of course, and I am sure that you
>> understand why we cannot simply break other people's setups to satisfy
>> it.
> 
> That comment was added in 94df250 (shared repository: optionally allow
> reading to "others"., 2006-06-09) which was in 1.4.1.  I suspect that is
> now sufficiently old that it no longer matters.