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* `nix-store -qR' and friends: print the paths sorted topologically

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under the references relation.  This is useful for commands that
  want to copy paths to another Nix store in the right order.
This commit is contained in:
Eelco Dolstra 2007-02-21 22:45:10 +00:00
parent 881feb9698
commit 9da367b7d5
3 changed files with 12 additions and 40 deletions
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5
src/libstore/store-api.hh
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@ -242,6 +242,11 @@ Path addPermRoot(const Path & storePath, const Path & gcRoot,
bool indirect, bool allowOutsideRootsDir = false);
/* Sort a set of paths topologically under the references relation.
If p refers to q, then p follows q in this list. */
Paths topoSortPaths(const PathSet & paths);
/* For now, there is a single global store API object, but we'll
purify that in the future. */
extern boost::shared_ptr<StoreAPI> store;