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The index-pack command has two progress meters: one for "receiving objects", and one for "resolving deltas". You get neither by default, or both with "-v". But for a push through receive-pack, we would want only the "resolving deltas" phase, _not_ the "receiving objects" progress. There are two reasons for this. One is simply that existing clients are already printing "writing objects" progress at the same time. Arguably "receiving" from the far end is more useful, because it tells you what has actually gotten there, as opposed to what might be stuck in a buffer somewhere between the client and server. But that would require a protocol extension to tell clients not to print their progress. Possible, but complexity for little gain. The second reason is much more important. In a full-duplex connection like git-over-ssh, we can print progress while the pack is incoming, and it will immediately get to the client. But for a half-duplex connection like git-over-http, we should not say anything until we have received the full request. Anything we write is subject to being stuck in a buffer by the webserver. Worse, we can end up in a deadlock if that buffer fills up. So our best bet is to avoid writing anything that isn't a small fixed size until we've received the full pack. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Git - fast, scalable, distributed revision control system
Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals.
Git is an Open Source project covered by the GNU General Public License version 2 (some parts of it are under different licenses, compatible with the GPLv2). It was originally written by Linus Torvalds with help of a group of hackers around the net.
Please read the file INSTALL for installation instructions.
Many Git online resources are accessible from http://git-scm.com/ including full documentation and Git related tools.
See Documentation/gittutorial.txt to get started, then see
Documentation/giteveryday.txt for a useful minimum set of commands, and
Documentation/git-.txt for documentation of each command.
If git has been correctly installed, then the tutorial can also be
read with man gittutorial or git help tutorial, and the
documentation of each command with man git-<commandname> or git help <commandname>.
CVS users may also want to read Documentation/gitcvs-migration.txt
(man gitcvs-migration or git help cvs-migration if git is
installed).
The user discussion and development of Git take place on the Git mailing list -- everyone is welcome to post bug reports, feature requests, comments and patches to git@vger.kernel.org (read Documentation/SubmittingPatches for instructions on patch submission). To subscribe to the list, send an email with just "subscribe git" in the body to majordomo@vger.kernel.org. The mailing list archives are available at http://news.gmane.org/gmane.comp.version-control.git/, http://marc.info/?l=git and other archival sites.
The maintainer frequently sends the "What's cooking" reports that list the current status of various development topics to the mailing list. The discussion following them give a good reference for project status, development direction and remaining tasks.
The name "git" was given by Linus Torvalds when he wrote the very first version. He described the tool as "the stupid content tracker" and the name as (depending on your mood):
- random three-letter combination that is pronounceable, and not actually used by any common UNIX command. The fact that it is a mispronunciation of "get" may or may not be relevant.
- stupid. contemptible and despicable. simple. Take your pick from the dictionary of slang.
- "global information tracker": you're in a good mood, and it actually works for you. Angels sing, and a light suddenly fills the room.
- "goddamn idiotic truckload of sh*t": when it breaks