initremote: show gpg keys

Crypto.hs

@@ -13,6 +13,7 @@ module Crypto (
 	EncryptedCipher,
 	genCipher,
 	updateCipher,
+	describeCipher,
 	storeCipher,
 	extractCipher,
 	decryptCipher,		
@@ -95,6 +96,13 @@ updateCipher c encipher@(EncryptedCipher _ ks) = do
 	where
 		combine (KeyIds a) (KeyIds b) = KeyIds $ a ++ b
 
+describeCipher :: EncryptedCipher -> String
+describeCipher (EncryptedCipher _ (KeyIds ks)) =
+	"with gpg " ++ keys ks ++ " " ++ unwords ks
+	where
+		keys [_] = "key"
+		keys _ = "keys"
+
 {- Stores an EncryptedCipher in a remote's configuration. -}
 storeCipher :: RemoteConfig -> EncryptedCipher -> RemoteConfig
 storeCipher c (EncryptedCipher t ks) = 

Remote/Encryptable.hs

@@ -27,11 +27,12 @@ encryptionSetup c =
 		(Just "none", Nothing) -> return c
 		(Just "none", Just _) -> error "Cannot change encryption type of existing remote."
 		(Nothing, Just _) -> return c
-		(Just _, Nothing) -> use $ genCipher c
-		(Just _, Just v) -> use $ updateCipher c v
+		(Just _, Nothing) -> use "encryption setup" $ genCipher c
+		(Just _, Just v) -> use "encryption updated" $ updateCipher c v
 	where
-		use a = do
+		use m a = do
 			cipher <- liftIO a
+			showNote $ m ++ " " ++ describeCipher cipher
 			return $ M.delete "encryption" $ storeCipher c cipher
 
 {- Modifies a Remote to support encryption.

doc/walkthrough/using_Amazon_S3.mdwn

@@ -15,7 +15,7 @@ like "2512E3C7"
 Next, create the S3 remote, and describe it. 
 
 	# git annex initremote cloud type=S3 encryption=2512E3C7
-	initremote cloud (checking bucket) (creating bucket in US) ok
+	initremote cloud (encryption setup with gpg key C910D9222512E3C7) (checking bucket) (creating bucket in US) ok
 	# git annex describe cloud "at Amazon's US datacenter"
 	describe cloud ok