[webkit-dev] Moving to Git?

Tor Arne Vestbø tor.arne.vestbo at nokia.com
Fri Mar 9 00:24:32 PST 2012

On 09.03.12 01:36, Aaron Boodman wrote:
> I think it would look the same, except for instead of monotonically
> increasing decimal numbers in the "revision" column, you'd see random
> hexadecimal ones (typically 6-8 digits long).

It would be possible to use 'git describe' [1] to give something like this:


If we tag the initial commit in the repository as 'r'. The number refers 
to the number of commits after the tag 'r'.

We could optionally tag WebKit versions, and get something like:


Meaning 12345 commits after v525.19 was tagged. Doing the latter does 
not prevent the former, as you can use --match r to force the initial tag.

tor arne

[1] http://linux.die.net/man/1/git-describe

> On Thu, Mar 8, 2012 at 4:20 PM, Lucas Forschler<lforschler at apple.com>  wrote:
>> Could someone enlighten me on what this page would look like after a conversion to git?
>> http://build.webkit.org/builders/Windows%20Debug%20%28Build%29?numbuilds=100
>> Lucas
>> On Mar 8, 2012, at 3:22 PM, Dirk Pranke wrote:
>>> On Thu, Mar 8, 2012 at 2:37 PM, David Barr<davidbarr at google.com>  wrote:
>>>> The monotonic labels that Ryosuke desires are known in git language as
>>>> "generation numbers". If we maintain a canonical linear history going
>>>> forward, they would also be unique as with Subversion. This could be a
>>>> good reason to resurrect the relevant thread on the git mailing list.
>>> slightly-offtopic, but I had not heard of "generation numbers" before.
>>> Based on a cursory web-learning pass (*), it sounds like they're not
>>> quite the same thing as SVN revisions, since SVN revision numers are
>>> unique to a repo, and two revisions on two different branches may have
>>> the same generation number. Since we do actually keep branches in the
>>> master repo, this wouldn't quite be the same  (although it might
>>> possibly be acceptable). Please correct me if I'm wrong ...
>>> -- Dirk
>>> (*) http://stackoverflow.com/questions/6702821/git-commit-generation-numbers
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