[darcs-devel] [issue1627] seamless SVN integration

[gh]

gh <guillaumh at gmail.com> added the comment:

Good news, there is already a SVN library in Haskell :
http://hackage.haskell.org/package/HsSVN

I like the idea of directly talking to the SVN repo since it provides the
simplest user interface possible. Also, a good objective is to not require any
extra information added to the darcs repo, nor to the patches (Ignore-this:
...). This means that all the "intelligence" of this operation should be into
get/pull/push. "Intelligence" means converting in both ways,
revisions-to-patches and patches-to-revisions, which implies setting an ordering
on (possibly unrelated) patches. It should work so that there are no initial
assumptions on the darcs repo nor the SVN repo, so that a push or pull between
two unrelated repos would work as well as a push/pull between two unrelated
darcs repos.

In terms of performance, storing information about this revision-to-patch
mapping into the cache seems the best way to go, since the cache can be
reconstructed and discarded on demand. (eg repo format change)

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<http://bugs.darcs.net/issue1627>
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