From 034f608e004c3206ff99c55c107139c38bfe9408 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Tue, 24 Aug 2010 14:25:33 +0000 Subject: [PATCH] * Don't complain if the stored hash of a path is zero (unknown). --- src/libstore/local-store.cc | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc index bddcbad12..9254ceee4 100644 --- a/src/libstore/local-store.cc +++ b/src/libstore/local-store.cc @@ -1022,10 +1022,11 @@ void LocalStore::exportPath(const Path & path, bool sign, dumpPath(path, hashAndWriteSink); /* Refuse to export paths that have changed. This prevents - filesystem corruption from spreading to other machines. */ + filesystem corruption from spreading to other machines. + Don't complain if the stored hash is zero (unknown). */ Hash hash = hashAndWriteSink.currentHash(); Hash storedHash = queryPathHash(path); - if (hash != storedHash) + if (hash != storedHash && storedHash != Hash(storedHash.type)) throw Error(format("hash of path `%1%' has changed from `%2%' to `%3%'!") % path % printHash(storedHash) % printHash(hash));