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authorEelco Dolstra <eelco.dolstra@logicblox.com>2016-02-26T14·20+0100
committerEelco Dolstra <eelco.dolstra@logicblox.com>2016-02-26T14·20+0100
commitbcc9943cee4d4f62e0bceb4245d390fb60744eae (patch)
treefc322195d80765220900e7f128bc6f51d49f4b61 /src/libstore/store-api.hh
parent1042c10fd0417fe33dd879317f5d7a73aa6f7fe3 (diff)
importPaths(): Optionally add NARs to binary cache accessor
This enables an optimisation in hydra-queue-runner, preventing a
download of a NAR it just uploaded to the cache when reading files
like hydra-build-products.
Diffstat (limited to 'src/libstore/store-api.hh')
-rw-r--r--src/libstore/store-api.hh7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index 347387f03403..488f32e16456 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -227,8 +227,11 @@ public:
     void exportPaths(const Paths & paths, bool sign, Sink & sink);
 
     /* Import a sequence of NAR dumps created by exportPaths() into
-       the Nix store. */
-    virtual Paths importPaths(bool requireSignature, Source & source) = 0;
+       the Nix store. Optionally, the contents of the NARs are
+       preloaded into the specified FS accessor to speed up subsequent
+       access. */
+    virtual Paths importPaths(bool requireSignature, Source & source,
+        std::shared_ptr<FSAccessor> accessor) = 0;
 
     /* For each path, if it's a derivation, build it.  Building a
        derivation means ensuring that the output paths are valid.  If