Re: git log of remote repositories.

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On 14/04/10 15:08, Aghiles wrote:
> It seems to me like a major restriction! Especially that I am tracking
> a remote branch ... No possibilities to do a diff or a log without fetching?
> Very sad. :(

Major restriction? Have you understood how git works, internally? The
first thing you'd have to do is to get the data (i.e. your version or
their version) on one of the sides then do the diff there. Now, that
either means you have to upload your non-matching objects or they have
to upload their non-matching objects. Next up, you might not even have
the authority (or technical possibility) to put data on that server
(think http), so obviously the diff will have to be done at your side.

So, what will be transmitted? Data the server already has but you don't.
git determines this data and then packs it into an efficient format and
sends it to you. Which is what? A diff of your version vs. theirs.
Except we don't transmit plain diffs but pack them up nicely so the data
is smaller and (because you now effectively fetched it) can be reused
any time after that initial diff.

If you're worried you might be downloading GBs of data in the process
you can always interrupt a running fetch.

Now, one might think of some very limited form of log. Like "git
remote-log master..master@origin" (syntax made up). This would be
something which could only be used with smart protocols and would
display a log (which you couldn't trust because you can't verify the
integrity and still has not much metadata). And it would be a heap of
new functionality to implement for something that doesn't fit into the
workflow of a git user. For the user it would probably take the same
amount of time as simply fetching everything new in most cases.

Or you can use SVN and have real online-diffs with real speed ;)

Greetings,
Jojo

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Johannes Gilger <heipei@xxxxxxxxxxxx>
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