(cc-ing Jeff King, "git clone -c" inventor)

Amit Bakshi wrote:

>  I'm trying to use this to create a shared repo (group r/w), but it's
> not working as expected. The help for git clone says "Set a
> configuration variable in the newly-created repository; this takes
> effect immediately after the repository is initialized, but before the
> remote history is fetched or any files checked out.", but I'm
> definitely not seeing this. Checked out files have umask applied.
> When I use the -c flag to git (ie, git -c core.sharedRepository=group
> clone ...) it does work as expected.

Thanks for an interesting report.

Part of the underlying problem is that unlike 'git init', 'git clone'
does not accept a --shared=(true|false|group|...) option.  Worse, it
does accept a --shared option, with a completely different meaning.
No better option names are coming immediately to mind, but perhaps
someone on the list will have ideas that could let 'git clone' and
'git init' use the same --share-repository=group option?

In any event, the lack of such an option steered you toward '-c'.

Another problem is that once the configuration is written, it is past
the point that some of the sharedrepository setting's effect would
have occured.  The repository, including worktree, object dirs, and so
on has already been created without g+w and setgid bits set.

Worse, when we write the new configuration and then re-read it, we
skip reading some repository-specific configuration
on the assumption that we should already know what their values would
be.  That assumption is now wrong.

I wonder if something like the following (just a sketch, completely
untested) would make sense.

diff --git i/builtin/clone.c w/builtin/clone.c
index 7ac677d..145a974 100644
--- i/builtin/clone.c
+++ w/builtin/clone.c
@@ -856,7 +856,11 @@ int cmd_clone(int argc, const char **argv, const char 
        init_db(option_template, INIT_DB_QUIET);
+       if (option_bare)
+               git_config_set("core.bare", "true");
        git_config(git_default_config, NULL);
+       check_repository_format();
        if (option_bare) {
                if (option_mirror)
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