diff options
Diffstat (limited to 'src/libstore/local-store.cc')
| -rw-r--r-- | src/libstore/local-store.cc | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc index c7530f1b1..6f3d9efa8 100644 --- a/src/libstore/local-store.cc +++ b/src/libstore/local-store.cc @@ -1036,8 +1036,6 @@ void LocalStore::exportPath(const Path & path, bool sign, writeInt(1, hashAndWriteSink); Path tmpDir = createTempDir(); - PathLocks tmpDirLock(singleton<PathSet, Path>(tmpDir)); - tmpDirLock.setDeletion(true); AutoDelete delTmp(tmpDir); Path hashFile = tmpDir + "/hash"; writeFile(hashFile, printHash(hash)); @@ -1079,6 +1077,22 @@ struct HashAndReadSource : Source }; +/* Create a temporary directory in the store that won't be + garbage-collected. */ +Path LocalStore::createTempDirInStore() +{ + Path tmpDir; + do { + /* There is a slight possibility that `tmpDir' gets deleted by + the GC between createTempDir() and addTempRoot(), so repeat + until `tmpDir' exists. */ + tmpDir = createTempDir(nixStore); + addTempRoot(tmpDir); + } while (!pathExists(tmpDir)); + return tmpDir; +} + + Path LocalStore::importPath(bool requireSignature, Source & source) { HashAndReadSource hashAndReadSource(source); @@ -1086,10 +1100,8 @@ Path LocalStore::importPath(bool requireSignature, Source & source) /* We don't yet know what store path this archive contains (the store path follows the archive data proper), and besides, we don't know yet whether the signature is valid. */ - Path tmpDir = createTempDir(nixStore); - PathLocks tmpDirLock(singleton<PathSet, Path>(tmpDir)); - tmpDirLock.setDeletion(true); - AutoDelete delTmp(tmpDir); /* !!! could be GC'ed! */ + Path tmpDir = createTempDirInStore(); + AutoDelete delTmp(tmpDir); Path unpacked = tmpDir + "/unpacked"; restorePath(unpacked, hashAndReadSource); |