From: Jakub Narebski <jnareb@gmail.com>
To: git@vger.kernel.org
Subject: [1.8.0] Tracking empty directories
Date: Wed, 02 Feb 2011 03:56:08 -0800 (PST) [thread overview]
Message-ID: <m3zkqe8xc8.fsf_-_@localhost.localdomain> (raw)
In-Reply-To: <7vwrll57ha.fsf@alter.siamese.dyndns.org>
See "Tracking empty directories" subthread on git mailing list,
starting with
http://thread.gmane.org/gmane.comp.version-control.git/165655/focus=165831
The idea is for git to be able to track empty directories without the
.keepme (or empty .gitignore) file trick. This was one of the most
requested features is native support for tracking empty directories,
with 35.2% support (from those who answered question) in
"Git User's Survey 2010":
https://git.wiki.kernel.org/index.php/GitSurvey2010#17._Which_of_the_following_features_would_you_like_to_see_implemented_in_git.3F
There were some concerns about *backwards compatibility* of this
feature, see for example this email (which I would summarize here).
http://thread.gmane.org/gmane.comp.version-control.git/165655/focus=165847
That's why it is in 1.8.0 proposals.
The problem with backward compatibility is twofold. First and more
important is while git supports empty tree object (it has it hardcoded
for some time, as it is necessary e.g. for initial diff, or merging
unrelated branches without common ancestor), and there is no problem
with entry for empty tree in a tree object
040000 tree 22d5826c087c4b9dcc72e2131c2cfb061403f7eb empty
there is (supposedly) problem when checking out such tree (see email
referenced above) with an old git.
Second is that tracking empty directories would require extension to the
git index (storing trees in index, like we store submodules)... but that
is purely local matter.
There is also issue with pre-change git automatically removing empty
directories, but that is probably matter for pre-commit hook to check,
or pre-receive hook in publishing repository.
--
Jakub Narebski
Poland
ShadeHawk on #git
next prev parent reply other threads:[~2011-02-02 11:56 UTC|newest]
Thread overview: 127+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-31 5:53 What's cooking in git.git (Jan 2011, #06; Sun, 30) Junio C Hamano
2011-01-31 15:08 ` Sverre Rabbelier
2011-02-08 17:48 ` Sverre Rabbelier
2011-02-08 19:27 ` Junio C Hamano
2011-01-31 17:05 ` Planning for 1.7.5 and 1.8.0 Junio C Hamano
2011-01-31 17:06 ` [1.8.0] default "git merge" without argument to "git merge @{u}" Junio C Hamano
2011-01-31 20:14 ` Jeff King
2011-01-31 20:17 ` Junio C Hamano
2011-01-31 20:32 ` Felipe Contreras
2011-01-31 20:50 ` [1.8.0] (v2) " Junio C Hamano
2011-01-31 22:55 ` Jeff King
2011-02-01 0:01 ` Thomas Adam
2011-02-01 18:34 ` Scott Chacon
2011-02-01 20:11 ` moving to a git-backed wiki Jeff King
2011-02-01 22:36 ` Jay Soffian
2011-02-01 22:48 ` J.H.
2011-02-02 9:55 ` Vincent Hanquez
2011-02-02 10:53 ` Felipe Contreras
2011-02-02 11:14 ` Jakub Narebski
2011-02-03 2:24 ` J.H.
2011-02-03 17:45 ` Jeff King
2011-02-03 19:06 ` Sverre Rabbelier
2011-02-04 6:03 ` Jeff King
2011-02-03 20:34 ` Felipe Contreras
2011-02-04 6:16 ` Jeff King
2011-02-04 17:50 ` Felipe Contreras
2011-02-04 14:34 ` Joey Hess
2011-02-05 7:00 ` david
2011-02-04 7:31 ` [1.8.0] (v2) default "git merge" without argument to "git merge @{u}" Thomas Hochstein
2011-02-04 23:01 ` [PATCH/RFC] Add support for merging from upstream by default Jared Hance
2011-01-31 17:07 ` [1.8.0] Unify "pathspec" semantics Junio C Hamano
2011-02-01 14:56 ` Nguyen Thai Ngoc Duy
2011-01-31 20:28 ` [1.8.0] reorganize the mess that the source tree has become Nicolas Pitre
2011-01-31 20:57 ` Junio C Hamano
2011-01-31 21:08 ` Matthieu Moy
2011-01-31 21:33 ` Nicolas Pitre
2011-01-31 21:19 ` Nicolas Pitre
2011-01-31 21:00 ` Jeff King
2011-01-31 21:28 ` Nicolas Pitre
2011-01-31 22:17 ` Junio C Hamano
2011-01-31 22:36 ` João P. Sampaio
2011-01-31 22:37 ` Nicolas Pitre
2011-01-31 23:12 ` Jeff King
2011-02-01 0:29 ` Nicolas Pitre
2011-02-01 1:48 ` Jeff King
2011-02-01 4:05 ` Nicolas Pitre
2011-02-01 12:42 ` Thomas Rast
2011-02-01 11:14 ` Jonathan Nieder
2011-02-01 11:22 ` Jonathan Nieder
2011-02-01 13:08 ` Nicolas Pitre
2011-02-01 16:02 ` Nguyen Thai Ngoc Duy
2011-02-01 21:53 ` Junio C Hamano
2011-02-01 0:35 ` Erik Faye-Lund
2011-02-01 1:53 ` Jeff King
2011-02-01 1:00 ` Sverre Rabbelier
2011-02-01 1:57 ` Jeff King
2011-02-01 7:24 ` Jay Soffian
2011-02-01 14:42 ` Andreas Ericsson
2011-01-31 21:59 ` [1.8.0] 't/' is standard name for directory with tests Jakub Narebski
2011-01-31 22:32 ` Nicolas Pitre
2011-02-01 0:12 ` Alex Budovski
2011-02-01 0:33 ` Nicolas Pitre
2011-02-01 0:58 ` Jakub Narebski
2011-02-01 1:15 ` Junio C Hamano
2011-02-02 23:55 ` Sam Vilain
2011-02-01 18:26 ` [1.8.0] split largest remaining scripts, gitk and gitweb Jakub Narebski
2011-02-01 22:15 ` Junio C Hamano
2011-02-01 23:20 ` Jakub Narebski
2011-02-05 3:21 ` [1.8.0] reorganize the mess that the source tree has become Martin von Zweigbergk
2011-01-31 21:44 ` [1.8.0] make two-argument fetch update remote branches Thomas Rast
2011-01-31 22:18 ` Matthieu Moy
2011-01-31 22:24 ` Junio C Hamano
2011-01-31 22:27 ` Eugene Sajine
2011-01-31 23:06 ` Junio C Hamano
2011-01-31 23:39 ` Eugene Sajine
2011-02-01 1:13 ` Junio C Hamano
2011-01-31 23:22 ` Jeff King
2011-02-01 7:04 ` Jay Soffian
2011-02-01 15:58 ` Nguyen Thai Ngoc Duy
2011-02-01 22:09 ` Junio C Hamano
2011-02-01 21:05 ` A Large Angry SCM
2011-02-01 22:39 ` Thomas Rast
2011-02-01 23:25 ` A Large Angry SCM
2011-01-31 21:55 ` [1.8.0] forbid full fetchspecs in git-pull Thomas Rast
2011-01-31 22:38 ` Junio C Hamano
2011-01-31 23:15 ` Dmitry Potapov
2011-02-01 15:14 ` Thomas Rast
2011-02-01 20:23 ` Dmitry Potapov
2011-02-01 3:20 ` Planning for 1.7.5 and 1.8.0 Nguyen Thai Ngoc Duy
2011-02-01 4:16 ` Nicolas Pitre
2011-02-01 14:54 ` [1.8.0] Tag namespaces Marc Branchaud
2011-02-01 15:21 ` Nguyen Thai Ngoc Duy
2011-02-01 18:37 ` [1.8.0] Remove deprecated commands René Scharfe
2011-02-01 22:16 ` Junio C Hamano
2011-02-02 0:57 ` Jonathan Nieder
2011-02-10 19:42 ` René Scharfe
2011-02-10 20:56 ` Jonathan Nieder
2011-02-10 21:08 ` Junio C Hamano
2011-02-12 13:24 ` René Scharfe
2011-02-12 21:04 ` Jonathan Nieder
2011-02-13 23:14 ` Junio C Hamano
2011-02-01 21:41 ` [1.8.0] Handle submodule config options consistently in diff plumbing Jens Lehmann
2011-02-02 11:56 ` Jakub Narebski [this message]
2011-02-02 23:23 ` [1.8.0] Tracking empty directories Jay Soffian
2011-02-02 23:33 ` David Aguilar
2011-02-02 23:52 ` Jakub Narebski
2011-02-03 2:21 ` Wesley J. Landaker
2011-02-03 5:53 ` Jonathan Nieder
2011-02-03 10:07 ` Matthieu Moy
2011-02-05 7:43 ` Pete Harlan
2011-02-05 18:31 ` Thomas Koch
2011-02-05 19:00 ` Sverre Rabbelier
2011-02-05 22:37 ` Jared Hance
2011-02-06 20:41 ` Junio C Hamano
2011-02-06 20:46 ` Sverre Rabbelier
2011-02-06 4:42 ` Nguyen Thai Ngoc Duy
2011-02-02 17:23 ` [1.8.0] git-stash invocation changes Thomas Rast
2011-02-02 17:35 ` Shawn Pearce
2011-02-02 18:15 ` Matthieu Moy
2011-02-02 18:51 ` Thomas Rast
2011-02-09 14:35 ` Pat Notz
2011-02-23 19:54 ` [1.8.0] Don't copy "submodule.<name>.update" to .git/config on submodule init Jens Lehmann
2011-02-23 20:28 ` Junio C Hamano
2011-02-23 22:43 ` Jens Lehmann
2011-02-24 0:34 ` Junio C Hamano
2011-02-24 23:44 ` Jens Lehmann
-- strict thread matches above, loose matches on Subject: below --
2011-02-03 11:07 [1.8.0] Tracking empty directories Yann Dirson
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