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-rw-r--r--nix/libstore/gc.cc7
1 files changed, 3 insertions, 4 deletions
diff --git a/nix/libstore/gc.cc b/nix/libstore/gc.cc
index c466996668..fe152da015 100644
--- a/nix/libstore/gc.cc
+++ b/nix/libstore/gc.cc
@@ -620,10 +620,9 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
foreach (Roots::iterator, i, rootMap) state.roots.insert(i->second);
- /* Add additional roots returned by the program specified by the
- NIX_ROOT_FINDER environment variable. This is typically used
- to add running programs to the set of roots (to prevent them
- from being garbage collected). */
+ /* Add additional roots returned by 'guix gc --list-busy'. This is
+ typically used to add running programs to the set of roots (to prevent
+ them from being garbage collected). */
if (!options.ignoreLiveness)
addAdditionalRoots(*this, state.roots);