ciabot scripts and merge flood prevention

[Joey Hess <joey@kitenet.net>]

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There's a problem with the old ciabot scripts, and I think also the v3
versions, when two published branches are merged. In this case, ciabot
reports all the changes twice, once when they're first committed to the
first branch, and a second time when the first branch is merged into the
second. This can unleash a flood of redundant commit messages that wipes
out conversation in any poor irc channel that has CIA in it. I've
generated floods that lasted up to 15 minutes.

I document the problem and one solution here. There's also a link to 
the hook script Gnome is using, based on the same method.
http://kitenet.net/~joey/blog/entry/lazyweb:_git_cia_hooks/
Maybe this could be built into the ciabot scripts?


(BTW, in both scripts, the example of git-rev-list ... | tac
could perhaps more efficiently be written as git-rev-list --reverse ...)

-- 
see shy jo

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