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Allow substituting from different storeDir

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Substituters can substitute from one store dir to another with a
little bit of help. The store api just needs to have a CA so it can
recompute the store path based on the new store dir. We can only do
this for fixed output derivations with no references, though.
This commit is contained in:
Matthew Bauer 2020-06-12 09:49:09 -05:00
parent d558fb98f6
commit 79c169d1c6
7 changed files with 50 additions and 9 deletions
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2
src/libstore/remote-store.cc
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@ -309,7 +309,7 @@ StorePathSet RemoteStore::querySubstitutablePaths(const StorePathSet & paths)
void RemoteStore::querySubstitutablePathInfos(const StorePathSet & paths,
SubstitutablePathInfos & infos)
SubstitutablePathInfos & infos, std::map<std::string, std::string> pathsCA)
{
if (paths.empty()) return;