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authorEelco Dolstra <eelco.dolstra@logicblox.com>2012-12-20T17·41+0100
committerEelco Dolstra <eelco.dolstra@logicblox.com>2012-12-20T17·41+0100
commit2754a07eadfa3fe263f83830c701748bbd4c0420 (patch)
treeda273ff0e02a7aa7eb00345f1f1b0ca23ba88643 /src/libstore/remote-store.cc
parent06f62defe640517267a6a16dd222076c822f3123 (diff)
nix-store -q --roots: Respect the gc-keep-outputs/gc-keep-derivations settings
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.
Diffstat (limited to 'src/libstore/remote-store.cc')
-rw-r--r--src/libstore/remote-store.cc10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index c97c5fbf044e..8f33b7e5cd46 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -334,6 +334,16 @@ Path RemoteStore::queryDeriver(const Path & path)
 }
 
 
+PathSet RemoteStore::queryValidDerivers(const Path & path)
+{
+    openConnection();
+    writeInt(wopQueryValidDerivers, to);
+    writeString(path, to);
+    processStderr();
+    return readStorePaths<PathSet>(from);
+}
+
+
 PathSet RemoteStore::queryDerivationOutputs(const Path & path)
 {
     openConnection();