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Replace hasSubstitutes() with querySubstitutablePaths()

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querySubstitutablePaths() takes a set of paths, so this greatly
reduces daemon <-> client latency.
This commit is contained in:
Eelco Dolstra 2012-07-11 17:52:18 -04:00
parent 58ef4d9a95
commit 09a6321aeb
8 changed files with 52 additions and 24 deletions
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4
src/libstore/store-api.hh
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@ -145,8 +145,8 @@ public:
/* Query the output names of the derivation denoted by `path'. */
virtual StringSet queryDerivationOutputNames(const Path & path) = 0;
/* Query whether a path has substitutes. */
virtual bool hasSubstitutes(const Path & path) = 0;
/* Query which of the given paths have substitutes. */
virtual PathSet querySubstitutablePaths(const PathSet & paths) = 0;
/* Query substitute info (i.e. references, derivers and download
sizes) of a set of paths. If a path does not have substitute