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Store::computeFSClosure(): Support a set of paths

Browse source 
This way, callers can exploits the parallelism of computeFSClosure()
when they have multiple paths that they need the (combined) closure of.
This commit is contained in:
Eelco Dolstra 2016-11-10 17:45:04 +01:00
parent 2af5d35fdc
commit dd77f7d593
5 changed files with 25 additions and 16 deletions
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12
src/nix-store/nix-store.cc
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@ -424,10 +424,9 @@ static void opQuery(Strings opFlags, Strings opArgs)
case qRoots: {
PathSet referrers;
for (auto & i : opArgs) {
PathSet paths = maybeUseOutputs(store->followLinksToStorePath(i), useOutput, forceRealise);
for (auto & j : paths)
store->computeFSClosure(j, referrers, true,
settings.gcKeepOutputs, settings.gcKeepDerivations);
store->computeFSClosure(
maybeUseOutputs(store->followLinksToStorePath(i), useOutput, forceRealise),
referrers, true, settings.gcKeepOutputs, settings.gcKeepDerivations);
}
Roots roots = store->findRoots();
for (auto & i : roots)
@ -961,10 +960,9 @@ static void opServe(Strings opFlags, Strings opArgs)
case cmdQueryClosure: {
bool includeOutputs = readInt(in);
PathSet paths = readStorePaths<PathSet>(*store, in);
PathSet closure;
for (auto & i : paths)
store->computeFSClosure(i, closure, false, includeOutputs);
store->computeFSClosure(readStorePaths<PathSet>(*store, in),
closure, false, includeOutputs);
out << closure;
break;
}