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From: Junio C Hamano <>
Subject: A note from the maintainer
Date: Mon, 01 Jan 2007 19:31:33 -0800
Message-ID: <> (raw)

It has been a while since I sent this message out the last time,
and there seem to be some new people on the git list.

This message talks about how git.git is managed, and how you can
work with it.

* IRC and Mailing list

Many active members of development community hang around on #git
IRC channel.  Its log is available at:

[jc: Does anybody know a shortcut for "Today's" page on this
 site?  It irritates me having to click the latest link on this
 page to get to the latest]

The development however is primarily done on this mailing list
you are reading right now.  If you have patches, please send
them to the list, following Documentation/SubmittingPatches.

I usually read all patches posted to the list, and follow almost
all the discussions on the list, unless the topic is about an
obscure corner that I do not personally use.  But I am obviously
not perfect.  If you sent a patch that you did not hear from
anybody for three days, that is a very good indication that it
was dropped on the floor --- please do not hesitate to remind

The list from time to time gets messages that either

 - state something incorrect, with a certain authoritative tone,
   without doing minimum homework.

 - try to rehash issues that have been ruled some time ago
   without bringing anything new to the table,

I used to try responding to such messages quickly with pointers
to archived list messages and/or the name of the commit object
that settled the issue, in order to save other readers from
wasting time on them, but that has been a huge timesink for me,
so I'll stop doing so and simply ignore them.

This does not apply to messages from new people (the definition
of new is rather subjective --- if I cannot connect your name
with a specific contribution you made to the git community, you
are still new); I would welcome questions and comments from new
people on the list.  They are good sources for us to learn which
parts of git's concepts are harder to learn and which
documentation can be improved.

The list is available at a few public sites as well:

* Repositories and branches.

My public git.git repository is at:


It is mirrored at Pasky's as well.

There are three branches in git.git repository that are not
about the source tree of git: "todo", "html" and "man".  The
first one is meant to contain TODO list for me, but I am not
good at maintaining such a list so it is not as often updated as
I would have liked.  It also contains some helper scripts I
use to maintain it.

The "html" and "man" are autogenerated documentation from the
tip of the "master" branch; the tip of "html" is extracted to be
visible at at:

The script to auto-maintain these two documentation branches are
found in "todo" branch as script, if you are interested.

There are four branches in git.git repository that track the
source tree of git: "master", "maint", "next", and "pu".

The "master" branch is meant to contain what are reasonably
tested and ready to be used in a production setting.  There
could occasionally be minor breakages or brown paper bag bugs
but they are not expected to be anything major.  Every now and
then, a "feature release" is cut from the tip of this branch and
they typically are named with three dotted decimal digits.  The
last such release was v1.4.4 done on Nov 14th last year.

Whenever a feature release is made, "maint" branch is forked off
from "master" at that point.  Obvious, safe and urgent fixes
after a feature release are applied to this branch and
maintenance releases are cut from it.  The maintenance releases
are typically named with four dotted decimal, named after the
feature release they are updates to; the last such release was
v1.4.4.3.  Usually new development will never go to this branch.
This branch is also pulled into "master" to propagate the fixes

A trivial and safe enhancement goes directly on top of "master".
A new development, either initiated by myself or more often by
somebody found his or her own itch to scratch, does not usually
happen on "master", however.  Instead, it is forked into a
separate topic branch from the tip of "master", and first tested
in isolation; I may make minimum fixups at this point.  Usually
there are a handful such topic branches that are running ahead
of "master" in git.git repository.  I do not publish the tip of
these branches in my public repository, however, partly to keep
the number of branches that downstream developers need to worry
about and primarily because I am lazy.

I judge the quality of topic branches, taking advices from the
mailing list discussions.  Some of them start out as "good idea
but obviously is broken in some areas (e.g. breaks the existing
testsuite)" and then with some more work (either by the original
contributor or help from other people on the list) becomes "more
or less done and can now be tested by wider audience".  Luckily,
most of them start out in the latter, better shape.

The "next" branch is to merge and test topic branches in the
latter category with "master".  In general it should always
contain the tip of "master".  They may not be quite production
ready, but are expected to work more or less without major
breakage.  I usually use "next" version of git for my own work.
"next" is where new and exciting things take place.

The above three branches, "master", "maint" and "next" are never
rewound, so you should be able to safely track them (that means
the topics that have been merged into "next" are not rebased).

The "pu" (proposed updates) branch bundles all the remaining
topic branches.  The topic branches and "pu" are subject to
rebasing in general.  Especially "pu" is almost always rewound
to the tip of "next" and reconstructed to contain the remaining
topic branches.

When a topic that was in "pu" proves to be in testable shape, it
graduates to "next".  I do this with:

	git checkout next
        git merge that-topic-branch

Sometimes, an idea that looked promising turns out to be not so
hot and the topic can be dropped from "pu" in such a case.

A topic that is in "next" is _expected_ to be tweaked and fixed
to perfection before it is merged to "master".  I do this with:

	git checkout master
        git merge that-topic-branch
        git branch -d that-topic-branch

However, being in "next" is not a guarantee to appear in the
next release (being in "master" is such a guarantee, unless it
is later found seriously broken and reverted), or even in _any_
future release.  There even was a case that a topic needed a few
reverting before graduating to "master".

             reply index

Thread overview: 94+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-02  3:31 Junio C Hamano [this message]
2007-01-02  3:47 ` Shawn O. Pearce
  -- strict thread matches above, loose matches on Subject: below --
2017-11-28  5:20 Junio C Hamano
2017-10-30  6:19 Junio C Hamano
2017-10-30 12:50 ` Johannes Schindelin
2017-08-04 16:54 Junio C Hamano
2017-07-13 23:43 Junio C Hamano
2017-06-24 23:24 Junio C Hamano
2017-03-24 21:19 Junio C Hamano
2017-03-20 21:39 Junio C Hamano
2017-02-24 19:29 Junio C Hamano
2016-11-29 21:24 Junio C Hamano
2016-10-03 22:31 Junio C Hamano
2016-09-03  2:17 Junio C Hamano
2016-09-03 10:26 ` Jakub Narębski
2016-09-07 16:16   ` Junio C Hamano
2016-08-12 19:55 Junio C Hamano
2016-08-12 22:42 ` Eric Wong
2016-08-13  8:10   ` Jeff King
2016-08-13  9:04     ` Eric Wong
2016-08-13 11:14       ` Jeff King
2016-08-14  1:27         ` Eric Wong
2016-08-14  2:12           ` Eric Wong
2016-08-14 12:23             ` Jeff King
2016-08-14 12:19           ` Jeff King
2016-08-14 15:00           ` Philip Oakley
2016-08-14 22:52             ` Eric Wong
2016-07-11 20:14 Junio C Hamano
2016-06-13 19:45 Junio C Hamano
2016-05-19 17:48 Junio C Hamano
2016-04-29 22:04 Junio C Hamano
2016-03-28 22:42 Junio C Hamano
2016-02-06  0:07 Junio C Hamano
2016-01-04 23:44 Junio C Hamano
2015-11-05 23:14 Junio C Hamano
2015-11-06 10:50 ` Xue Fuqiao
2015-11-06 17:38   ` Junio C Hamano
2015-09-28 23:20 Junio C Hamano
2015-08-28 21:12 Junio C Hamano
2015-07-15 21:43 Junio C Hamano
2015-04-30 19:51 Junio C Hamano
2015-05-08 14:46 ` Christian Couder
2015-05-08 16:25   ` Junio C Hamano
2015-03-23 21:38 Junio C Hamano
2015-03-06 23:33 Junio C Hamano
2015-02-05 22:53 Junio C Hamano
2014-11-26 23:09 Junio C Hamano
2013-03-13 20:26 Junio C Hamano
2013-01-28 20:48 Junio C Hamano
2013-01-01  0:27 Junio C Hamano
2012-12-10 23:16 Junio C Hamano
2012-10-21 22:10 Junio C Hamano
2012-10-08 20:08 Junio C Hamano
2012-09-18 23:14 Junio C Hamano
2012-08-20  3:16 Junio C Hamano
2012-06-19 23:53 Junio C Hamano
2012-03-06  7:10 Junio C Hamano
2012-01-27 21:31 [ANNOUNCE] Git 1.7.9 Junio C Hamano
2012-01-27 21:41 ` A note from the maintainer Junio C Hamano
2011-10-24 15:32 Junio C Hamano
2011-10-05  2:22 Junio C Hamano
2011-10-15  5:47 ` Martin von Zweigbergk
2011-10-16  7:24   ` Junio C Hamano
2011-08-24 23:51 Junio C Hamano
2011-04-25 21:05 A Note from the Maintainer Junio C Hamano
2011-01-31  5:51 A note from the maintainer Junio C Hamano
2010-09-19  1:28 Junio C Hamano
2010-07-21 22:18 Junio C Hamano
2010-02-13  1:24 Junio C Hamano
2010-01-01  0:09 Junio C Hamano
2009-07-29 21:15 Junio C Hamano
2009-05-07  7:09 Junio C Hamano
2009-05-07 13:40 ` Baz
2009-05-07 16:30   ` Junio C Hamano
2009-03-04 19:52 Junio C Hamano
2008-12-25  6:48 Junio C Hamano
2008-08-17 21:16 [ANNOUNCE] GIT 1.6.0 Junio C Hamano
2008-08-17 23:58 ` A note from the maintainer Junio C Hamano
2008-06-18 23:24 [ANNOUNCE] GIT 1.5.6 Junio C Hamano
2008-06-19  7:24 ` A note from the maintainer Junio C Hamano
2008-07-14  5:51   ` Junio C Hamano
2008-04-09  9:44 Junio C Hamano
2008-02-17  9:16 Junio C Hamano
2008-03-09 10:57 ` Junio C Hamano
2008-02-02  4:35 Junio C Hamano
2008-02-02 11:06 ` Jakub Narebski
2008-01-08  8:57 Junio C Hamano
2008-01-08  9:57 ` Jakub Narebski
2008-01-08 10:03   ` Junio C Hamano
2007-09-02  6:31 [ANNOUNCE] GIT 1.5.3 Junio C Hamano
2007-09-02  6:34 ` A note from the maintainer Junio C Hamano
2007-04-04  9:12 [ANNOUNCE] GIT 1.5.1 Junio C Hamano
2007-04-04 18:26 ` A note from the maintainer Junio C Hamano
2007-05-20  9:54   ` Junio C Hamano
2007-02-14  3:14 [ANNOUNCE] GIT 1.5.0 Junio C Hamano
2007-02-16 22:31 ` A note from the maintainer Junio C Hamano
2007-02-17  2:35   ` Johannes Schindelin
2007-02-23  6:03     ` Junio C Hamano
2006-10-24  9:16 Junio C Hamano
2006-10-24  9:37 ` Jakub Narebski

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