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Similar problem, not as good a solution (Score:1)
Thanks for the write-up: I was trying almost the same thing! I had imported a pretty big repository (made up of various subprojects) to git, which is sorta what you described a bit ago [perl.org]. I had also renamed some directories along the way, so when I tried to separate them up with
git-filter-branch, it was failing with collecting all the revisions needed.I ended up writing two helper [unobe.com] scripts [unobe.com] to solve my problem, and I wish I hadn't glossed over
--no-hardlinksbecause that would have saved quite a bit of time.