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Add priority setting to stores

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This allows overriding the priority of substituters, e.g.

  $ nix-store --store ~/my-nix/ -r /nix/store/df3m4da96d84ljzxx4mygfshm1p0r2n3-geeqie-1.4 \
    --substituters 'http://cache.nixos.org?priority=100 daemon?priority=10'

Fixes #3264.
This commit is contained in:
Eelco Dolstra 2019-12-17 17:17:53 +01:00
parent 54bf5ba422
commit f8abbdd456
13 changed files with 51 additions and 47 deletions
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2
src/libstore/local-store.cc
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@ -840,7 +840,7 @@ StorePathSet LocalStore::querySubstitutablePaths(const StorePathSet & paths)
for (auto & sub : getDefaultSubstituters()) {
if (remaining.empty()) break;
if (sub->storeDir != storeDir) continue;
if (!sub->wantMassQuery()) continue;
if (!sub->wantMassQuery) continue;
auto valid = sub->queryValidPaths(remaining);