diff options
| -rw-r--r-- | src/libstore/build/local-derivation-goal.cc | 8 | ||||
| -rw-r--r-- | tests/fixed.nix | 8 | ||||
| -rw-r--r-- | tests/fixed.sh | 5 |
3 files changed, 20 insertions, 1 deletions
diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc index b0bc82ffc..3aa9f12fe 100644 --- a/src/libstore/build/local-derivation-goal.cc +++ b/src/libstore/build/local-derivation-goal.cc @@ -2474,7 +2474,13 @@ void LocalDerivationGoal::registerOutputs() infos.emplace(outputName, std::move(newInfo)); } - if (buildMode == bmCheck) return; + if (buildMode == bmCheck) { + // In case of FOD mismatches on `--check` an error must be thrown as this is also + // a source for non-determinism. + if (delayedException) + std::rethrow_exception(delayedException); + return; + } /* Apply output checks. */ checkOutputs(infos); diff --git a/tests/fixed.nix b/tests/fixed.nix index 76580ffa1..babe71504 100644 --- a/tests/fixed.nix +++ b/tests/fixed.nix @@ -21,6 +21,14 @@ rec { (f ./fixed.builder2.sh "recursive" "sha1" "vw46m23bizj4n8afrc0fj19wrp7mj3c0") ]; + # Expression to test that `nix-build --check` also throws an error if the hash of + # fixed-output derivation has changed even if the hash exists in the store (in this + # case the hash exists because of `fixed.builder2.sh`, but building a derivation + # with the same hash and a different result must throw an error). + check = [ + (f ./fixed.builder1.sh "recursive" "md5" "3670af73070fa14077ad74e0f5ea4e42") + ]; + good2 = [ # Yes, this looks fscked up: builder2 doesn't have that result. # But Nix sees that an output with the desired hash already diff --git a/tests/fixed.sh b/tests/fixed.sh index 90c4c8c32..f1e1ce420 100644 --- a/tests/fixed.sh +++ b/tests/fixed.sh @@ -15,6 +15,11 @@ nix path-info --json $path | grep fixed:md5:2qk15sxzzjlnpjk9brn7j8ppcd echo 'testing good...' nix-build fixed.nix -A good --no-out-link +if isDaemonNewer "2.4pre20210927"; then + echo 'testing --check...' + nix-build fixed.nix -A check --check && fail "should fail" +fi + echo 'testing good2...' nix-build fixed.nix -A good2 --no-out-link |