diff options
| -rw-r--r-- | nix/libstore/build.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc index bbcb55a0b9..2f8b4dabba 100644 --- a/nix/libstore/build.cc +++ b/nix/libstore/build.cc @@ -3482,8 +3482,17 @@ void LocalStore::repairPath(const Path & path) worker.run(goals); - if (goal->getExitCode() != Goal::ecSuccess) - throw Error(format("cannot repair path `%1%'") % path, worker.exitStatus()); + if (goal->getExitCode() != Goal::ecSuccess) { + /* Since substituting the path didn't work, if we have a valid + deriver, then rebuild the deriver. */ + Path deriver = queryDeriver(path); + if (deriver != "" && isValidPath(deriver)) { + goals.clear(); + goals.insert(worker.makeDerivationGoal(deriver, StringSet(), bmRepair)); + worker.run(goals); + } else + throw Error(format("cannot repair path `%1%'") % path, worker.exitStatus()); + } } |