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Cache path info lookups in SQLite

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This re-implements the binary cache database in C++, allowing it to be
used by other Store backends, in particular the S3 backend.
This commit is contained in:
Eelco Dolstra 2016-04-20 14:12:38 +02:00
parent e0204f8d46
commit 451ebf24ce
18 changed files with 380 additions and 36 deletions
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2
src/libstore/derivations.cc
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@ -290,7 +290,7 @@ Hash hashDerivationModulo(Store & store, Derivation drv)
DerivationInputs inputs2;
for (auto & i : drv.inputDrvs) {
Hash h = drvHashes[i.first];
if (h.type == htUnknown) {
if (!h) {
assert(store.isValidPath(i.first));
Derivation drv2 = readDerivation(i.first);
h = hashDerivationModulo(store, drv2);