From: David Turner <dturner@twopensource.com>
To: Michael Haggerty <mhagger@alum.mit.edu>
Cc: git@vger.kernel.org, Ronnie Sahlberg <rsahlberg@google.com>
Subject: Re: [PATCH v2 28/43] refs.c: add ref backend init function
Date: Mon, 05 Oct 2015 16:37:04 -0400 [thread overview]
Message-ID: <1444077424.5158.14.camel@twopensource.com> (raw)
In-Reply-To: <561236E7.1050508@alum.mit.edu>
On Mon, 2015-10-05 at 10:37 +0200, Michael Haggerty wrote:
> On 09/29/2015 12:02 AM, David Turner wrote:
> > The file backend doesn't need this function, but other backends might.
> >
> > Signed-off-by: David Turner <dturner@twopensource.com>
> > Signed-off-by: Ronnie Sahlberg <rsahlberg@google.com>
> > ---
> > refs-be-files.c | 1 +
> > refs.c | 4 +++-
> > refs.h | 4 +++-
> > 3 files changed, 7 insertions(+), 2 deletions(-)
> >
> > diff --git a/refs-be-files.c b/refs-be-files.c
> > index 37e244a..eaa74b6 100644
> > --- a/refs-be-files.c
> > +++ b/refs-be-files.c
> > @@ -3737,6 +3737,7 @@ int reflog_expire(const char *refname, const unsigned char *sha1,
> > struct ref_be refs_be_files = {
> > NULL,
> > "files",
> > + NULL,
> > files_transaction_begin,
> > files_transaction_update,
> > files_transaction_create,
> > diff --git a/refs.c b/refs.c
> > index 769574d..9ce10b7 100644
> > --- a/refs.c
> > +++ b/refs.c
> > @@ -19,13 +19,15 @@ struct ref_be *refs_backends = &refs_be_files;
> > /*
> > * This function is used to switch to an alternate backend.
> > */
> > -int set_refs_backend(const char *name)
> > +int set_refs_backend(const char *name, void *init_data)
> > {
> > struct ref_be *be;
> >
> > for (be = refs_backends; be; be = be->next)
> > if (!strcmp(be->name, name)) {
> > the_refs_backend = be;
> > + if (be->init_backend)
> > + be->init_backend(init_data);
>
> I don't like that this virtual function, alone among all of them
> introduced so far, is allowed to be NULL. That seems non-obvious and
> something extra that devs have to remember.
>
> I think it would be better for the files backend to define a do-nothing
> function that can be stuck in this slot.
Will change, thanks.
next prev parent reply other threads:[~2015-10-05 20:37 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-28 22:01 [PATCH v2 00/43] lmdb ref backend David Turner
2015-09-28 22:01 ` [PATCH v2 01/43] refs.c: create a public version of verify_refname_available David Turner
2015-10-03 5:02 ` Torsten Bögershausen
2015-10-03 16:50 ` David Turner
2015-10-03 21:07 ` Torsten Bögershausen
2015-10-04 6:07 ` Torsten Bögershausen
2015-10-05 4:29 ` Michael Haggerty
2015-10-05 20:23 ` David Turner
2015-09-28 22:01 ` [PATCH v2 02/43] refs: make repack_without_refs and is_branch public David Turner
2015-10-05 4:34 ` Michael Haggerty
2015-10-05 20:26 ` David Turner
2015-09-28 22:01 ` [PATCH v2 03/43] refs-be-files.c: rename refs to refs-be-files David Turner
2015-09-28 22:01 ` [PATCH v2 04/43] refs.c: add a new refs.c file to hold all common refs code David Turner
2015-09-28 22:01 ` [PATCH v2 05/43] refs.c: move update_ref to refs.c David Turner
2015-09-28 22:01 ` [PATCH v2 06/43] refs.c: move delete_ref and delete_refs to the common code David Turner
2015-09-28 22:01 ` [PATCH v2 07/43] refs.c: move read_ref_at to the common refs file David Turner
2015-09-28 22:01 ` [PATCH v2 08/43] refs.c: move the hidden refs functions to the common code David Turner
2015-09-28 22:01 ` [PATCH v2 09/43] refs.c: move dwim and friend functions to the common refs code David Turner
2015-09-28 22:01 ` [PATCH v2 10/43] refs.c: move warn_if_dangling_symref* to the common code David Turner
2015-09-28 22:01 ` [PATCH v2 11/43] refs.c: move read_ref, read_ref_full and ref_exists " David Turner
2015-09-28 22:01 ` [PATCH v2 12/43] refs.c: move resolve_refdup to common David Turner
2015-09-28 22:01 ` [PATCH v2 13/43] refs.c: move check_refname_format to the common code David Turner
2015-09-28 22:01 ` [PATCH v2 14/43] refs.c: move is_branch " David Turner
2015-09-28 22:01 ` [PATCH v2 15/43] refs.c: move prettify_refname " David Turner
2015-09-28 22:01 ` [PATCH v2 16/43] refs.c: move ref iterators " David Turner
2015-09-28 22:01 ` [PATCH v2 17/43] refs.c: move head_ref_namespaced " David Turner
2015-09-28 22:01 ` [PATCH v2 18/43] refs-be-files.c: add a backend method structure with transaction functions David Turner
2015-10-05 8:03 ` Michael Haggerty
2015-10-05 17:25 ` Junio C Hamano
2015-10-06 0:20 ` David Turner
2015-09-28 22:01 ` [PATCH v2 19/43] refs-be-files.c: add methods for misc ref operations David Turner
2015-09-28 22:01 ` [PATCH v2 20/43] refs-be-files.c: add methods for the ref iterators David Turner
2015-09-28 22:01 ` [PATCH v2 21/43] refs-be-files.c: add method for for_each_reftype_ David Turner
2015-09-28 22:01 ` [PATCH v2 22/43] refs-be-files.c: add do_for_each_per_worktree_ref David Turner
2015-10-05 8:19 ` Michael Haggerty
2015-10-05 20:14 ` David Turner
2015-09-28 22:01 ` [PATCH v2 23/43] refs.c: move refname_is_safe to the common code David Turner
2015-09-28 22:01 ` [PATCH v2 24/43] refs.h: document make refname_is_safe and add it to header David Turner
2015-09-28 22:02 ` [PATCH v2 25/43] refs.c: move copy_msg to the common code David Turner
2015-09-28 22:02 ` [PATCH v2 26/43] refs.c: move peel_object " David Turner
2015-09-28 22:02 ` [PATCH v2 27/43] refs.c: move should_autocreate_reflog to " David Turner
2015-10-02 20:57 ` Junio C Hamano
2015-09-28 22:02 ` [PATCH v2 28/43] refs.c: add ref backend init function David Turner
2015-10-05 8:37 ` Michael Haggerty
2015-10-05 20:37 ` David Turner [this message]
2015-09-28 22:02 ` [PATCH v2 29/43] refs.c: add methods for reflog David Turner
2015-09-28 22:02 ` [PATCH v2 30/43] refs-be-files.c: add method to expire reflogs David Turner
2015-10-05 8:41 ` Michael Haggerty
2015-09-28 22:02 ` [PATCH v2 31/43] refs.c: add method for initial ref transaction commit David Turner
2015-09-28 22:02 ` [PATCH v2 32/43] initdb: move safe_create_dir into common code David Turner
2015-09-28 22:02 ` [PATCH v2 33/43] refs.c: add method for initializing refs db David Turner
2015-09-28 22:02 ` [PATCH v2 34/43] refs.c: make struct ref_transaction generic David Turner
2015-10-06 17:43 ` Michael Blume
2015-10-06 17:53 ` David Turner
2015-09-28 22:02 ` [PATCH v2 35/43] refs-be-files.c: add method to rename refs David Turner
2015-09-28 22:02 ` [PATCH v2 36/43] run-command: track total number of commands run David Turner
2015-09-28 22:02 ` [PATCH v2 37/43] refs: move some defines from refs-be-files.c to refs.h David Turner
2015-10-05 8:57 ` Michael Haggerty
2015-09-28 22:02 ` [PATCH v2 38/43] refs: make some files backend functions public David Turner
2015-10-05 9:03 ` Michael Haggerty
2015-10-06 1:24 ` David Turner
2015-10-07 1:25 ` David Turner
2015-10-07 16:00 ` Michael Haggerty
2015-10-07 17:20 ` Junio C Hamano
2015-10-07 20:55 ` David Turner
2015-10-07 22:47 ` Michael Haggerty
2015-09-28 22:02 ` [PATCH v2 39/43] refs: break out a ref conflict check David Turner
2015-10-05 9:06 ` Michael Haggerty
2015-10-06 0:28 ` David Turner
2015-09-28 22:02 ` [PATCH v2 40/43] refs: allow ref backend to be set for clone David Turner
2015-10-05 9:32 ` Michael Haggerty
2015-10-06 1:29 ` David Turner
2015-10-06 1:58 ` Jeff King
2015-10-06 18:09 ` David Turner
2015-10-12 9:00 ` Carlos Martín Nieto
2015-10-05 11:55 ` Michael Haggerty
2015-10-06 1:16 ` David Turner
2015-09-28 22:02 ` [PATCH v2 41/43] refs: add register_refs_backend David Turner
2015-09-28 22:02 ` [PATCH v2 42/43] refs: add LMDB refs backend David Turner
2015-10-02 21:35 ` Junio C Hamano
2015-10-05 15:47 ` Michael Haggerty
2015-10-07 1:51 ` David Turner
2015-10-07 18:31 ` Michael Haggerty
2015-10-07 19:08 ` Junio C Hamano
2015-10-07 19:20 ` David Turner
2015-10-07 22:13 ` Michael Haggerty
2015-09-28 22:02 ` [PATCH v2 43/43] refs: tests for db backend David Turner
2015-10-03 17:39 ` Dennis Kaarsemaker
2015-10-05 16:56 ` Junio C Hamano
2015-10-06 0:20 ` David Turner
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