diff options
Diffstat (limited to 'src/libstore')
| -rw-r--r-- | src/libstore/normalise.cc | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/libstore/normalise.cc b/src/libstore/normalise.cc index b016d8d354e6..914630b1588a 100644 --- a/src/libstore/normalise.cc +++ b/src/libstore/normalise.cc @@ -1088,6 +1088,31 @@ void NormalisationGoal::createClosure() } nf.closure.roots.insert(path); + /* Check that fixed-output derivations produced the right + outputs (i.e., the content hash should match the specified + hash). */ + if (i->second.hash != "") { + HashType ht = parseHashType(i->second.hashAlgo); + if (ht == htUnknown) + throw Error(format("unknown hash algorithm `%1%'") % i->second.hashAlgo); + Hash h = parseHash(ht, i->second.hash); + Hash h2 = hashFile(ht, path); + if (h != h2) + throw Error( + format("output path `%1% should have %2% hash `%3%', instead has `%4%'") + % path % i->second.hashAlgo % printHash(h) % printHash(h2)); + + /* Also, the output path should be a regular file withouth + execute permission. */ + struct stat st; + if (lstat(path.c_str(), &st)) + throw SysError(format("getting attributes of path `%1%'") % path); + if (!S_ISREG(st.st_mode) || (st.st_mode & S_IXUSR) != 0) + throw Error( + format("output path `%1% should be a non-executable regular file") + % path); + } + canonicalisePathMetaData(path); /* For this output path, find the references to other paths contained |