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LegacySSHStore: Provide a faster implementation of computeFSClosure()

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This avoids the latency of the standard implementation, which can make
a huge difference (e.g. 16.5s -> 0.5s on a NixOS system closure).
This commit is contained in:
Eelco Dolstra 2017-03-16 11:44:01 +01:00
parent 7a716ef2a5
commit ea7fa88131
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2 changed files with 23 additions and 1 deletions
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src/libstore/store-api.hh
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@ -511,7 +511,7 @@ public:
`storePath' is returned; that is, the closures under the
`referrers' relation instead of the `references' relation is
returned. */
void computeFSClosure(const PathSet & paths,
virtual void computeFSClosure(const PathSet & paths,
PathSet & out, bool flipDirection = false,
bool includeOutputs = false, bool includeDerivers = false);