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nix-store -q --roots: Respect the gc-keep-outputs/gc-keep-derivations settings

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So if a path is not garbage solely because it's reachable from a root
due to the gc-keep-outputs or gc-keep-derivations settings, ‘nix-store
-q --roots’ now shows that root.
This commit is contained in:
Eelco Dolstra 2012-12-20 18:41:44 +01:00
parent 06f62defe6
commit 2754a07ead
9 changed files with 63 additions and 24 deletions
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3
src/nix-daemon/nix-daemon.cc
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@ -334,6 +334,7 @@ static void performOp(unsigned int clientVersion,
case wopQueryReferences:
case wopQueryReferrers:
case wopQueryValidDerivers:
case wopQueryDerivationOutputs: {
Path path = readStorePath(from);
startWork();
@ -342,6 +343,8 @@ static void performOp(unsigned int clientVersion,
store->queryReferences(path, paths);
else if (op == wopQueryReferrers)
store->queryReferrers(path, paths);
else if (op == wopQueryValidDerivers)
paths = store->queryValidDerivers(path);
else paths = store->queryDerivationOutputs(path);
stopWork();
writeStrings(paths, to);