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authorLuke Plant <L.Plant.98@cantab.net>2014-11-25 13:29:38 +0000
committerLuke Plant <L.Plant.98@cantab.net>2014-11-25 15:37:34 +0000
commitff3d746e8d8e8fbe6de287bd0f4c3a9fa23c18dc (patch)
treefc28940c714d4b5e95c3d4182d0d92cfe87782bd /docs
parent056a3c6c374f15e23746ea8568cd5b11bfe7d442 (diff)
Fixed bug in circular dependency algo for migration dependencies.
Previous algo only worked if the first item was a part of the loop, and you would get an infinite loop otherwise (see test). To fix this, it was much easier to do a pre-pass. A bonus is that you now get an error message that actually helps you debug the dependency problem.
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