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authorLudovic Courtès <ludo@gnu.org>2013-01-09 22:09:58 +0100
committerLudovic Courtès <ludo@gnu.org>2013-01-09 22:10:06 +0100
commitb2d58cd80a04ccab09a947d187ae55ff199eae08 (patch)
tree0fc47cbad22bb432f4eee5db386e5bacbab52ca1 /guix-package.in
parentb9e5c0a949fa627da55ea53fd71dfa96ad8a2b4b (diff)
downloadguix-b2d58cd80a04ccab09a947d187ae55ff199eae08.tar.gz
union: Detect collisions, and delete duplicate leaves.
* guix/build/union.scm (delete-duplicate-leaves): New procedure.
  (union-build)[leaf=?, resolve-collision]: New procedures.
  Use `delete-duplicate-leaves' on the result of `tree-union'.
* tests/union.scm ("delete-duplicate-leaves, default",
  "delete-duplicate-leaves, file names"): New tests.
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