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buildPaths(): Add an evalStore argument

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With this, we don't have to copy the entire .drv closure to the
destination store ahead of time (or at all). Instead, buildPaths()
reads .drv files from the eval store and copies inputSrcs to the
destination store if it needs to build a derivation.

Issue #5025.
This commit is contained in:
Eelco Dolstra 2021-07-19 15:43:08 +02:00
parent 668abd3e57
commit eb6db4fd38
13 changed files with 55 additions and 38 deletions
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3
src/libstore/store-api.hh
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@ -497,7 +497,8 @@ public:
not derivations, substitute them. */
virtual void buildPaths(
const std::vector<DerivedPath> & paths,
BuildMode buildMode = bmNormal);
BuildMode buildMode = bmNormal,
std::shared_ptr<Store> evalStore = nullptr);
/* Build a single non-materialized derivation (i.e. not from an
on-disk .drv file).