* Implement the `gc-keep-derivations' global configuretion flag.
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@ -306,7 +306,10 @@ void collectGarbage(GCAction action, PathSet & result)
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{
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{
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result.clear();
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result.clear();
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bool gcKeepOutputs = queryBoolSetting("gc-keep-outputs", false);
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bool gcKeepOutputs =
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queryBoolSetting("gc-keep-outputs", false);
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bool gcKeepDerivations =
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queryBoolSetting("gc-keep-derivations", true);
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/* Acquire the global GC root. This prevents
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/* Acquire the global GC root. This prevents
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a) New roots from being added.
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a) New roots from being added.
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@ -330,6 +333,16 @@ void collectGarbage(GCAction action, PathSet & result)
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for (PathSet::const_iterator i = roots.begin(); i != roots.end(); ++i)
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for (PathSet::const_iterator i = roots.begin(); i != roots.end(); ++i)
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computeFSClosure(canonPath(*i), livePaths);
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computeFSClosure(canonPath(*i), livePaths);
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if (gcKeepDerivations) {
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for (PathSet::iterator i = livePaths.begin();
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i != livePaths.end(); ++i)
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{
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Path deriver = queryDeriver(noTxn, *i);
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if (deriver != "")
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computeFSClosure(deriver, livePaths);
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}
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}
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if (gcKeepOutputs) {
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if (gcKeepOutputs) {
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/* Hmz, identical to storePathRequisites in nix-store. */
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/* Hmz, identical to storePathRequisites in nix-store. */
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for (PathSet::iterator i = livePaths.begin();
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for (PathSet::iterator i = livePaths.begin();
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