registerurl: New plumbing command for mass-adding urls to keys.

1 files changed, 55 insertions, 0 deletions

diff --git a/Command/RegisterUrl.hs b/Command/RegisterUrl.hs
new file mode 100644
index 000000000..3ff1becc9
--- /dev/null
+++ b/Command/RegisterUrl.hs
@@ -0,0 +1,55 @@
+{- git-annex command
+ -
+ - Copyright 2015 Joey Hess <id@joeyh.name>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+{-# LANGUAGE BangPatterns #-}
+
+module Command.RegisterUrl where
+
+import Common.Annex
+import Command
+import Types.Key
+import Logs.Web
+import Annex.UUID
+
+cmd :: [Command]
+cmd = [notDirect $ notBareRepo $
+	command "registerurl" (paramPair paramKey paramUrl) seek
+		SectionPlumbing "registers an url for a key"]
+
+seek :: CommandSeek
+seek = withWords start
+
+start :: [String] -> CommandStart
+start (keyname:url:[]) = do
+	let key = fromMaybe (error "bad key") $ file2key keyname
+	showStart "registerurl" url
+	next $ perform key url
+start [] = do
+	showStart "registerurl" "stdin"
+	next massAdd
+start _ = error "specify a key and an url"
+
+massAdd :: CommandPerform
+massAdd = go True =<< map words . lines <$> liftIO getContents
+  where
+	go status [] = next $ return status
+	go status ([keyname,u]:rest) = do
+		let key = fromMaybe (error $ "bad key " ++ keyname) $ file2key keyname
+		ok <- perform' key u
+		let !status' = status && ok
+		go status' rest
+	go _ _ = error "Expected pairs of key and url on stdin, but got something else."
+
+perform :: Key -> URLString -> CommandPerform
+perform key url = do
+	ok <- perform' key url
+	next $ return ok
+
+perform' :: Key -> URLString -> Annex Bool
+perform' key url = do
+	setUrlPresent webUUID key url
+	return True