Thread (10 messages) flat view 10 messages, 8 authors, 2016-06-15

Re: Numeric Revision Names?

From: Jakub Narebski <hidden>
Date: 2016-06-15 22:45:26

marceloribeiro [off-list ref] writes:
I am new to git, and my question may be stupid, but anyway...
I am used to the numeric revision names on svn, and on Git
all I get are hexadecimal names.

Is there any way to configure it to start a projects revisions on
lets say, revision 0, and keep incrementing it after each commit?

I tried finding it on git doc but wasnt able to. Maybe I am missing
something....
First, it is simply not possible to have incremental revision numbers
in distributed version control system like Git, at least not without
some central authority (assigning revision numbers). Other distributed
SCM use simple revision numbers, but either they are local to branch
and local to repository (not shared) as in case of Mercurial, or
require centralized workflow where one uses different merge than in
leaf repositories, as from what I understand is the case with dotted
revision numbers in Bazaar-NG.

Second, in my opinion revision numbers are not that useful for
projects with large number of commits (where revision number might be
something like r4321), and nonlinear history (you don't know how r4555
relates to r4556: they might be on different branches).  Also you
don't have to use full revision numbers: you can use shortened
revision numbers (usually 6-8 characters is enough, e.g. 5f2d4160);
if you use tags to mark released versions you can use git-describe
output to count revisions from given tag (output contains sha-1
because history migh branch after tag, and number of commits since tag
is not enough to determine commit/revision; e.g. v1.6.0-rc3-17-gc14c8ce
which means 17 commits after tag v1.6.0-rc3).

Additionally when using git you usually use transient revision
numbers, counting commits from tip of branch, for example master~5
means 5 commits in first-parent line from what branch 'master' points
to now.

-- 
Jakub Narebski
Poland
ShadeHawk on #git
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