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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/libstore/misc.cc
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@ -8,7 +8,7 @@
namespace nix {
void Store::computeFSClosure(const Path & startPath,
void Store::computeFSClosure(const PathSet & startPaths,
PathSet & paths_, bool flipDirection, bool includeOutputs, bool includeDerivers)
{
struct State
@ -85,7 +85,8 @@ void Store::computeFSClosure(const Path & startPath,
});
};
enqueue(startPath);
for (auto & startPath : startPaths)
enqueue(startPath);
{
auto state(state_.lock());
@ -95,6 +96,13 @@ void Store::computeFSClosure(const Path & startPath,
}
void Store::computeFSClosure(const Path & startPath,
PathSet & paths_, bool flipDirection, bool includeOutputs, bool includeDerivers)
{
computeFSClosure(PathSet{startPath}, paths_, flipDirection, includeOutputs, includeDerivers);
}
void Store::queryMissing(const PathSet & targets,
PathSet & willBuild_, PathSet & willSubstitute_, PathSet & unknown_,
unsigned long long & downloadSize_, unsigned long long & narSize_)