diff options
Diffstat (limited to 'src/libstore/build/local-derivation-goal.cc')
| -rw-r--r-- | src/libstore/build/local-derivation-goal.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc index 1fc966951..8e5ab7594 100644 --- a/src/libstore/build/local-derivation-goal.cc +++ b/src/libstore/build/local-derivation-goal.cc @@ -2528,6 +2528,12 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs() [&](const DerivationOutput::CAFixed & dof) { auto & wanted = dof.ca.hash; + // Replace the output by a fresh copy of itself to make sure + // that there's no stale file descriptor pointing to it + Path tmpOutput = actualPath + ".tmp"; + movePath(actualPath, tmpOutput); + copyFile(tmpOutput, actualPath, true); + auto newInfo0 = newInfoFromCA(DerivationOutput::CAFloating { .method = dof.ca.method, .hashType = wanted.type, |