From: Johan Herland <johan@herland.net>
To: Michael Haggerty <mhagger@alum.mit.edu>
Cc: "Nicolas Pitre" <nico@fluxnic.net>, "Jeff King" <peff@peff.net>,
"Junio C Hamano" <gitster@pobox.com>,
"Git mailing list" <git@vger.kernel.org>,
"Carlos Martín Nieto" <cmn@elego.de>,
"Michael Schubert" <mschub@elegosoft.com>
Subject: Re: Local tag killer
Date: Sun, 29 Sep 2013 11:30:10 +0200 [thread overview]
Message-ID: <CALKQrgdG3FzA=8A9TyuGGumqWJ05zYK1r2uaAOrhNaAUju-6jw@mail.gmail.com> (raw)
In-Reply-To: <5247ACB9.40208@alum.mit.edu>
On Sun, Sep 29, 2013 at 6:29 AM, Michael Haggerty <mhagger@alum.mit.edu> wrote:
> I wonder whether remotes.group could sensibly be used to group remotes
> into logical groups for value lookups:
>
> [remotes]
> gitk = gitk-origin
> gitk = second-gitk-repo
>
> Then DWIM could be taught to seek "gitk/foo" under
> "refs/remotes/gitk-origin/tags/foo" and
> "refs/remotes/second-gitk-repo/tags/foo" in addition to
> "refs/tags/gitk/foo" (insisting, of course, that if more than one of
> these are present that they are all consistent).
This is an interesting idea. AFAICS, remotes.<group> is currently only
used by "git remote update" and "git fetch". According to git-remote(1)
it's used like this:
[git remote] update
Fetch updates for a named set of remotes in the repository
as defined by remotes.<group>. If a named group is not
specified on the command line, the configuration parameter
remotes.default will be used; if remotes.default is not
defined, all remotes which do not have the configuration
parameter remote.<name>.skipDefaultUpdate set to true will
be updated. (See git-config(1)).
I believe this would work well when extended to ref lookup as well:
- Defining remotes.$group allows you to lookup refs across the grouped
remotes by using the "$group/<ref>" syntax, as you describe above.
- If remotes.default is defined, ref lookup happens by default across
only those remotes, i.e. "$tag" will be sought under refs/tags/$tag
and then refs/remotes/$remote/tags/$tag for each $remote in
remotes.default.
- If remotes.default is not defined, ref lookup happens across all
remotes. This is analogous to what happens with tags today; they
are all dumped into refs/tags/* and lookup considers all of them.
> Remote groups might also be used to configure the remotes that describe
> considers when describing a commit:
>
> [remotes]
> describe = junio
> describe = jrn
>
> or maybe (using the above config)
>
> git describe --remote-group=gitk
Hmm. I'd like to apply the same rules here, to stay consistent:
- "git describe --from=$remote1 --from=$remote2" considers tags
from refs/remotes/$remote1/tags/* and refs/remotes/$remote2/tags/*
- "git describe --from=$group" considers tags from
refs/remotes/$remote/tags/* for each $remote in $group
- "git describe" considers tags from all remotes mentioned in
remotes.default, or _all_ remotes is remotes.default is unset.
Additionally:
- "git describe" (without --from) also considers (and prefers?) local
tags.
- "git describe --from=foo" does NOT consider local tags, but will
also consider them if "--from=." is used.
...Johan
--
Johan Herland, <johan@herland.net>
www.herland.net
next prev parent reply other threads:[~2013-09-29 9:36 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-13 2:54 Local tag killer Michael Haggerty
2013-09-13 4:03 ` Junio C Hamano
2013-09-20 22:51 ` Junio C Hamano
2013-09-21 6:42 ` Michael Haggerty
2013-09-21 12:28 ` John Szakmeister
2013-09-24 7:51 ` Jeff King
2013-09-24 13:22 ` Marc Branchaud
2013-09-25 8:22 ` Jeff King
2013-09-25 22:54 ` Nicolas Pitre
2013-09-28 12:20 ` Michael Haggerty
2013-09-28 21:42 ` Johan Herland
2013-09-29 4:29 ` Michael Haggerty
2013-09-29 9:30 ` Johan Herland [this message]
2013-09-30 15:24 ` Marc Branchaud
2013-09-30 15:52 ` Nicolas Pitre
2013-09-30 19:16 ` Marc Branchaud
2013-09-30 20:08 ` Nicolas Pitre
2013-09-30 21:14 ` Marc Branchaud
2013-09-30 22:44 ` Nicolas Pitre
2013-09-30 23:18 ` Jeff King
2013-10-01 3:04 ` Marc Branchaud
2013-10-01 3:28 ` Nicolas Pitre
2013-10-01 12:45 ` Marc Branchaud
2013-10-23 15:50 ` [PATCH 00/15] Change semantics of "fetch --tags" Michael Haggerty
2013-10-23 15:50 ` [PATCH 01/15] t5510: use the correct tag name in test Michael Haggerty
2013-10-23 15:50 ` [PATCH 02/15] t5510: prepare test refs more straightforwardly Michael Haggerty
2013-10-23 18:36 ` Junio C Hamano
2013-10-24 6:49 ` Michael Haggerty
2013-10-24 19:50 ` Junio C Hamano
2013-10-23 15:50 ` [PATCH 03/15] t5510: check that "git fetch --prune --tags" does not prune branches Michael Haggerty
2013-10-23 15:50 ` [PATCH 04/15] api-remote.txt: correct section "struct refspect" Michael Haggerty
2013-10-23 18:43 ` Junio C Hamano
2013-10-24 7:06 ` Michael Haggerty
2013-10-23 15:50 ` [PATCH 05/15] get_ref_map(): rename local variables Michael Haggerty
2013-10-23 18:45 ` Junio C Hamano
2013-10-24 7:24 ` Michael Haggerty
2013-10-23 15:50 ` [PATCH 06/15] ref_remove_duplicates(): avoid redundant bisection Michael Haggerty
2013-10-23 15:50 ` [PATCH 07/15] ref_remove_duplicates(): simplify function Michael Haggerty
2013-10-23 15:50 ` [PATCH 08/15] ref_remove_duplicates(): improve documentation comment Michael Haggerty
2013-10-23 18:47 ` Junio C Hamano
2013-10-23 15:50 ` [PATCH 09/15] builtin/fetch.c: reorder function definitions Michael Haggerty
2013-10-23 15:50 ` [PATCH 10/15] fetch --tags: fetch tags *in addition to* other stuff Michael Haggerty
2013-10-24 20:51 ` Junio C Hamano
2013-10-25 15:08 ` Michael Haggerty
2013-10-28 19:10 ` Junio C Hamano
2013-10-30 4:26 ` Michael Haggerty
2013-10-26 5:10 ` Michael Haggerty
2013-10-23 15:50 ` [PATCH 11/15] fetch --prune: prune only based on explicit refspecs Michael Haggerty
2013-10-24 21:11 ` Junio C Hamano
2013-10-26 6:49 ` Michael Haggerty
2013-10-28 15:08 ` Junio C Hamano
2013-10-23 15:50 ` [PATCH 12/15] query_refspecs(): move some constants out of the loop Michael Haggerty
2013-10-23 15:50 ` [PATCH 13/15] builtin/remote.c: reorder function definitions Michael Haggerty
2013-10-23 15:50 ` [PATCH 14/15] builtin/remote.c:update(): use struct argv_array Michael Haggerty
2013-10-23 15:50 ` [PATCH 15/15] fetch, remote: properly convey --no-prune options to subprocesses Michael Haggerty
2013-10-24 21:17 ` Junio C Hamano
2013-10-23 16:59 ` [PATCH 00/15] Change semantics of "fetch --tags" Junio C Hamano
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