On 05/24/2015 07:28 AM, Christian Couder wrote: > Hi, > > On Fri, May 22, 2015 at 4:38 PM, Stephen Kelly <steveire@xxxxxxxxx> wrote: >> I have tried out using `git replace --graft` and >> .git/objects/info/alternates to 'refer to' the history in the origin >> repo instead of 'duplicating' it. This is similar to how Qt5 repos >> refer to Qt 4 history in a different repo. >> >> Question 1) Is this a reasonable thing to do for this scenario? > I think it should work without too much work, but see the answer to > the next question. Ok, thanks. The concern is that there is plenty of documentation for git-filter-branch, but no documentation or porcelain for info/alternates and little out on the internet about it or git replace and using them together. However, it seems to be a reasonable thing to do. >> echo "../../calculator/objects" > >> ../.git/modules/compute/objects/info/alternates >> git replace --graft HEAD $extraction_sha > Maybe use the following instead of the above line: > > git fetch 'refs/replace/*:refs/replace/*' Thanks. >> # And now we see the history from the calculator repo. Great. But, it >> required user action after the clone. > Yeah, but if the 2 above commands are in a script maybe it's > reasonable to ask the user to launch the script once after cloning. Would it be possible to do this in a hook in the 'integration repo' which contains both submodules in the example I posted? Like a fetch hook or something? Thanks, Steve. -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html