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"core.sharedrepository = 0mode" should set, not loosen

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This fixes the behaviour of octal notation to how it is defined in the
documentation, while keeping the traditional "loosen only" semantics
intact for "group" and "everybody".

Three main points of this patch are:

 - For an explicit octal notation, the internal shared_repository variable
   is set to a negative value, so that we can tell "group" (which is to
   "OR" in 0660) and 0660 (which is to "SET" to 0660);

 - git-init did not set shared_repository variable early enough to affect
   the initial creation of many files, notably copied templates and the
   configuration.  We set it very early when a command-line option
   specifies a custom value.

 - Many codepaths create files inside $GIT_DIR by various ways that all
   involve mkstemp(), and then call move_temp_to_file() to rename it to
   its final destination.  We can add adjust_shared_perm() call here; for
   the traditional "loosen-only", this would be a no-op for many codepaths
   because the mode is already loose enough, but with the new behaviour it
   makes a difference.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2009-03-25 16:19:36 -07:00
parent 389d176771
commit 5a688fe470
5 changed files with 76 additions and 19 deletions
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12
builtin-init-db.c
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@ -195,6 +195,8 @@ static int create_default_files(const char *template_path)
git_config(git_default_config, NULL);
is_bare_repository_cfg = init_is_bare_repository;
/* reading existing config may have overwrote it */
if (init_shared_repository != -1)
shared_repository = init_shared_repository;
@ -313,12 +315,15 @@ int init_db(const char *template_dir, unsigned int flags)
* and compatibility values for PERM_GROUP and
* PERM_EVERYBODY.
*/
if (shared_repository == PERM_GROUP)
if (shared_repository < 0)
/* force to the mode value */
sprintf(buf, "0%o", -shared_repository);
else if (shared_repository == PERM_GROUP)
sprintf(buf, "%d", OLD_PERM_GROUP);
else if (shared_repository == PERM_EVERYBODY)
sprintf(buf, "%d", OLD_PERM_EVERYBODY);
else
sprintf(buf, "0%o", shared_repository);
die("oops");
git_config_set("core.sharedrepository", buf);
git_config_set("receive.denyNonFastforwards", "true");
}
@ -398,6 +403,9 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
usage(init_db_usage);
}
if (init_shared_repository != -1)
shared_repository = init_shared_repository;
/*
* GIT_WORK_TREE makes sense only in conjunction with GIT_DIR
* without --bare. Catch the error early.