add unlocked flag for git-annex-shell recvkey

The direct flag is also set when sending unlocked content, to support old
versions of git-annex-shell. At some point, the direct flag will be
removed, and only the unlocked flag will be used.

CmdLine/GitAnnexShell.hs

@@ -144,6 +144,7 @@ checkField :: (String, String) -> Bool
 checkField (field, val)
 	| field == fieldName remoteUUID = fieldCheck remoteUUID val
 	| field == fieldName associatedFile = fieldCheck associatedFile val
+	| field == fieldName unlocked = fieldCheck unlocked val
 	| field == fieldName direct = fieldCheck direct val
 	| field == fieldName autoInit = fieldCheck autoInit val
 	| otherwise = False

CmdLine/GitAnnexShell/Fields.hs

@@ -35,5 +35,8 @@ associatedFile = Field "associatedfile" $ \f ->
 direct :: Field
 direct = Field "direct" $ \f -> f == "1"
 
+unlocked :: Field
+unlocked = Field "unlocked" $ \f -> f == "1"
+
 autoInit :: Field
 autoInit = Field "autoinit" $ \f -> f == "1"

Command/RecvKey.hs

@@ -27,10 +27,11 @@ seek = withKeys start
 
 start :: Key -> CommandStart
 start key = fieldTransfer Download key $ \_p -> do
-	-- Always verify content when a direct mode repo is sending a file,
+	-- Always verify content when a repo is sending an unlocked file,
 	-- as the file could change while being transferred.
-	fromdirect <- isJust <$> Fields.getField Fields.direct
-	let verify = if fromdirect then AlwaysVerify else DefaultVerify
+	fromunlocked <- (isJust <$> Fields.getField Fields.unlocked)
+		<||> (isJust <$> Fields.getField Fields.direct)
+	let verify = if fromunlocked then AlwaysVerify else DefaultVerify
 	ifM (getViaTmp verify key go)
 		( do
 			-- forcibly quit after receiving one key,

Remote/Helper/Ssh.hs

@@ -126,10 +126,13 @@ rsyncHelper m params = do
 {- Generates rsync parameters that ssh to the remote and asks it
  - to either receive or send the key's content. -}
 rsyncParamsRemote :: Bool -> Remote -> Direction -> Key -> FilePath -> AssociatedFile -> Annex [CommandParam]
-rsyncParamsRemote direct r direction key file afile = do
+rsyncParamsRemote unlocked r direction key file afile = do
 	u <- getUUID
 	let fields = (Fields.remoteUUID, fromUUID u)
-		: (Fields.direct, if direct then "1" else "")
+		: (Fields.unlocked, if unlocked then "1" else "")
+		-- Send direct field for unlocked content, for backwards
+		-- compatability.
+		: (Fields.direct, if unlocked then "1" else "")
 		: maybe [] (\f -> [(Fields.associatedFile, f)]) afile
 	Just (shellcmd, shellparams) <- git_annex_shell (repo r)
 		(if direction == Download then "sendkey" else "recvkey")

doc/git-annex-shell.mdwn

@@ -107,7 +107,7 @@ to git-annex-shell are:
   on new dashed options).
 
   Currently used fields include remoteuuid=, associatedfile=,
-  direct=, and autoinit=
+  unlocked=, direct=, and autoinit=
 
 # HOOK