diff options
Diffstat (limited to 'Assistant')
| -rw-r--r-- | Assistant/Committer.hs | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Assistant/Committer.hs b/Assistant/Committer.hs index 46fee1b74..63df8cafc 100644 --- a/Assistant/Committer.hs +++ b/Assistant/Committer.hs @@ -118,7 +118,7 @@ handleAdds st changechan cs = returnWhen (null pendingadds) $ do add :: Change -> IO (Maybe Change) add change@(PendingAddChange { keySource = ks }) = do - r <- catchMaybeIO $ runThreadState st $ do + r <- catchMaybeIO $ sanitycheck ks $ runThreadState st $ do showStart "add" $ keyFilename ks handle (finishedChange change) (keyFilename ks) =<< Command.Add.ingest ks @@ -140,6 +140,16 @@ handleAdds st changechan cs = returnWhen (null pendingadds) $ do showEndOk return $ Just change + {- Check that the keysource's keyFilename still exists, + - and is still a hard link to its contentLocation, + - before ingesting it. -} + sanitycheck keysource a = do + fs <- getSymbolicLinkStatus $ keyFilename keysource + ks <- getSymbolicLinkStatus $ contentLocation keysource + if deviceID ks == deviceID fs && fileID ks == fileID fs + then a + else return Nothing + {- PendingAddChanges can Either be Right to be added now, - or are unsafe, and must be Left for later. - |