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daemon: check: Fix assertion failure when some outputs are missing. 

E.g.

  $ nix-build pkgs/stdenv/linux/ -A stage1.pkgs.perl --check
  nix-store: src/libstore/build.cc:1323: void nix::DerivationGoal::tryToBuild(): Assertion `buildMode != bmCheck || validPaths.size() == drv->outputs.size()' failed.

when perl.out exists but perl.man doesn't. The fix is to only check
the outputs that exist. Note that "nix-build -A stage1.pkgs.all
--check" will still give a (proper) error in this case.
This commit is contained in:
Eelco Dolstra 2016-01-12 14:54:39 +01:00 committed by Ludovic Courtès
parent c56cd90cc9
commit f83e82cd00
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1 changed files with 1 additions and 1 deletions
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nix/libstore/build.cc
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@ -1291,7 +1291,6 @@ void DerivationGoal::tryToBuild()
now hold the locks on the output paths, no other process can
build this derivation, so no further checks are necessary. */
validPaths = checkPathValidity(true, buildMode == bmRepair);
assert(buildMode != bmCheck || validPaths.size() == drv.outputs.size());
if (buildMode != bmCheck && validPaths.size() == drv.outputs.size()) {
debug(format("skipping build of derivation `%1%', someone beat us to it") % drvPath);
outputLocks.setDeletion(true);
@ -2430,6 +2429,7 @@ void DerivationGoal::registerOutputs()
PathSet references = scanForReferences(actualPath, allPaths, hash);
if (buildMode == bmCheck) {
if (!store->isValidPath(path)) continue;
ValidPathInfo info = worker.store.queryPathInfo(path);
if (hash.first != info.hash)
throw Error(format("derivation `%1%' may not be deterministic: hash mismatch in output `%2%'") % drvPath % path);