Re: git gc changes ownerships of files linux

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On Sun, Feb 11, 2024 at 03:28:57PM +0000, brian m. carlson wrote:
> On 2024-02-11 at 15:14:55, Torsten Bögershausen wrote:
> > Thanks for reporting this -
> > I think that you have a working workaround ?
> >
> > However, Git has a feature called "shared repository".
> > You need to define a (unix) group that is shared between
> > your user(s) and the ansible user.
> >
> > The basic trick is to do
> > git config core.sharedRepository true
> >
> > (And then change the ownership of all files/directories to the new group)
>
> On Linux, you also should set each directory to be setgid.  That's
> because by default, Linux uses the user's current group ID as the group
> to create new directories.  However, you'll want the group to be
> inherited from the parent directory, which is the behaviour when the
> parent directory is setgid.
>
> This behaviour is the default on the BSDs, and no such configuration is
> required there.
Briam, Hm, I wonder what this function (in path.c) does:

int adjust_shared_perm(const char *path)

According to my understanding, it was included into the Git codebase
to work around the missing "setgid" feature in Linux (and probably cygwin).
And then we have t/t1301-shared-repo.sh,
so I think we are in a good shape: for all systems that have posix permissions.
and do not overwrite them with facl or other features.







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