diff options
Diffstat (limited to 'src/libstore/gc.cc')
| -rw-r--r-- | src/libstore/gc.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc index 7f0b07946700..a2be189cc1ab 100644 --- a/src/libstore/gc.cc +++ b/src/libstore/gc.cc @@ -333,8 +333,11 @@ void collectGarbage(GCAction action, PathSet & result) for (PathSet::iterator i = livePaths.begin(); i != livePaths.end(); ++i) { + /* Note that the deriver need not be valid (e.g., if we + previously ran the collector with `gcKeepDerivations' + turned off). */ Path deriver = queryDeriver(noTxn, *i); - if (deriver != "") + if (deriver != "" && isValidPath(deriver)) computeFSClosure(deriver, livePaths); } } |