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authorGravatar Joey Hess <joeyh@joeyh.name>2015-10-02 13:56:42 -0400
committerGravatar Joey Hess <joeyh@joeyh.name>2015-10-02 14:35:12 -0400
commit78be7e95266412a04aed31062fde7d19c6f9e117 (patch)
treee3c73f5bef3c4d90cabeb32312ecaed562c5920f /Command/AddUrl.hs
parent1292c38a52e103ff49642968adf2e6c8d01f35ad (diff)
other 80% of avoding verification when hard linking to objects in shared repo
In c3b38fb2a075b4250e867ebd910324c65712c747, it actually only handled uploading objects to a shared repository. To avoid verification when downloading objects from a shared repository, was a lot harder. On the plus side, if the process of downloading a file from a remote is able to verify its content on the side, the remote can indicate this now, and avoid the extra post-download verification. As of yet, I don't have any remotes (except Git) using this ability. Some more work would be needed to support it in special remotes. It would make sense for tahoe to implicitly verify things downloaded from it; as long as you trust your tahoe server (which typically runs locally), there's cryptographic integrity. OTOH, despite bup being based on shas, a bup repo under an attacker's control could have the git ref used for an object changed, and so a bup repo shouldn't implicitly verify. Indeed, tahoe seems unique in being trustworthy enough to implicitly verify.
Diffstat (limited to 'Command/AddUrl.hs')
-rw-r--r--Command/AddUrl.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/Command/AddUrl.hs b/Command/AddUrl.hs
index 32e89d20f..4b34051e9 100644
--- a/Command/AddUrl.hs
+++ b/Command/AddUrl.hs
@@ -154,7 +154,7 @@ downloadRemoteFile r relaxed uri file sz = do
-- so that the remote knows what url it
-- should use to download it.
setTempUrl urlkey loguri
- let downloader = Remote.retrieveKeyFile r urlkey (Just file)
+ let downloader = \dest p -> fst <$> Remote.retrieveKeyFile r urlkey (Just file) dest p
ret <- downloadWith downloader urlkey (Remote.uuid r) loguri file
removeTempUrl urlkey
return ret