sync, assistant: Sync with remotes that have annex-ignore set

This is so git remotes on servers without git-annex installed can be used
to keep clients' git repos in sync.

This is a behavior change, but since annex-sync can be set to disable
syncing with a remote, I think it's acceptable.

Assistant/DaemonStatus.hs

@@ -48,18 +48,19 @@ modifyDaemonStatus a = do
 calcSyncRemotes :: Annex (DaemonStatus -> DaemonStatus)
 calcSyncRemotes = do
 	rs <- filter (remoteAnnexSync . Remote.gitconfig) .
-		concat . Remote.byCost <$> Remote.enabledRemoteList
+		concat . Remote.byCost <$> Remote.remoteList
 	alive <- trustExclude DeadTrusted (map Remote.uuid rs)
 	let good r = Remote.uuid r `elem` alive
 	let syncable = filter good rs
-	let nonxmpp = filter (not . isXMPPRemote) syncable
+	let syncdata = filter (not . remoteAnnexIgnore . Remote.gitconfig) $
+		filter (not . isXMPPRemote) syncable
 
 	return $ \dstatus -> dstatus
 		{ syncRemotes = syncable
 		, syncGitRemotes =
 			filter (not . Remote.specialRemote) syncable
-		, syncDataRemotes = nonxmpp
-		, syncingToCloudRemote = any iscloud nonxmpp
+		, syncDataRemotes = syncdata
+		, syncingToCloudRemote = any iscloud syncdata
 		}
   where
   	iscloud r = not (Remote.readonly r) && Remote.globallyAvailable r

Assistant/Sync.hs

@@ -68,7 +68,9 @@ reconnectRemotes notifypushes rs = void $ do
 	go = do
 		(failed, diverged) <- sync
 			=<< liftAnnex (inRepo Git.Branch.current)
-		addScanRemotes diverged nonxmppremotes
+		addScanRemotes diverged $
+			filter (not . remoteAnnexIgnore . Remote.gitconfig)
+				nonxmppremotes
 		return failed
 
 {- Updates the local sync branch, then pushes it to all remotes, in

Assistant/Threads/MountWatcher.hs

@@ -157,7 +157,7 @@ handleMount :: FilePath -> Assistant ()
 handleMount dir = do
 	debug ["detected mount of", dir]
 	rs <- filter (Git.repoIsLocal . Remote.repo) <$> remotesUnder dir
-	reconnectRemotes True $ filter (not . remoteAnnexIgnore . Remote.gitconfig) rs
+	reconnectRemotes True rs
 
 {- Finds remotes located underneath the mount point.
  -

Assistant/Threads/NetWatcher.hs

@@ -128,4 +128,4 @@ handleConnection = reconnectRemotes True =<< networkRemotes
 {- Finds network remotes. -}
 networkRemotes :: Assistant [Remote]
 networkRemotes = liftAnnex $
-	filter (isNothing . Remote.localpath) <$> enabledRemoteList
+	filter (isNothing . Remote.localpath) <$> remoteList

Assistant/WebApp/RepoList.hs

@@ -133,7 +133,7 @@ repoList reposelector
 			unwanted <- S.fromList
 				<$> filterM inUnwantedGroup (S.toList syncing)
 			rs <- filter selectedrepo . concat . Remote.byCost
-				<$> Remote.enabledRemoteList
+				<$> Remote.remoteList
 			let us = map Remote.uuid rs
 			let maker u
 				| u `S.member` unwanted = mkUnwantedRepoActions u

Command/Sync.hs

@@ -73,7 +73,7 @@ syncRemotes rs = ifM (Annex.getState Annex.fast) ( nub <$> pickfast , wanted )
 		return l
 	available = filter (not . Remote.specialRemote)
 		. filter (remoteAnnexSync . Types.Remote.gitconfig)
-		<$> Remote.enabledRemoteList
+		<$> Remote.remoteList
 	good = filterM $ Remote.Git.repoAvail . Types.Remote.repo
 	fastest = fromMaybe [] . headMaybe . Remote.byCost
 

Remote.hs

@@ -19,7 +19,6 @@ module Remote (
 
 	remoteTypes,
 	remoteList,
-	enabledRemoteList,
 	specialRemote,
 	remoteMap,
 	uuidDescriptions,
@@ -211,7 +210,8 @@ keyPossibilities' key trusted = do
 	let validtrusteduuids = validuuids `intersect` trusted
 
 	-- remotes that match uuids that have the key
-	allremotes <- enabledRemoteList
+	allremotes <- filter (not . remoteAnnexIgnore . gitconfig)
+		<$> remoteList
 	let validremotes = remotesWithUUID allremotes validuuids
 
 	return (sortBy (comparing cost) validremotes, validtrusteduuids)

Remote/List.hs

@@ -98,10 +98,6 @@ updateRemote remote = do
 			Remote.Git.configRead r
 		| otherwise = return r
 
-{- All remotes that are not ignored. -}
-enabledRemoteList :: Annex [Remote]
-enabledRemoteList = filter (not . remoteAnnexIgnore . gitconfig) <$> remoteList
-
 {- Checks if a remote is a special remote -}
 specialRemote :: Remote -> Bool
 specialRemote r = remotetype r /= Remote.Git.remote

debian/changelog

@@ -6,6 +6,9 @@ git-annex (4.20130418) UNRELEASED; urgency=low
   * webapp: Don't default to making repository in cwd when started
     from within a directory containing a git-annex file (eg, standalone
     tarball directory).
+  * sync, assistant: Sync with remotes that have annex-ignore set,
+    so that git remotes on servers without git-annex installed can be used
+    to keep clients' git repos in sync.
 
  -- Joey Hess <joeyh@debian.org>  Thu, 18 Apr 2013 16:22:48 -0400
 

doc/git-annex.mdwn

@@ -904,14 +904,17 @@ Here are all the supported configuration settings.
 * `remote.<name>.annex-ignore`
 
   If set to `true`, prevents git-annex
-  from using this remote by default. (You can still request it be used
-  by the --from and --to options.)
+  from storing file contents on this remote by default.
+  (You can still request it be used by the --from and --to options.)
 
   This is, for example, useful if the remote is located somewhere
   without git-annex-shell. (For example, if it's on GitHub).
   Or, it could be used if the network connection between two
   repositories is too slow to be used normally.
 
+  This does not prevent git-annex sync (or the git-annex assistant) from
+  syncing the git repository to the remote.
+
 * `remote.<name>.annex-sync`
 
   If set to `false`, prevents git-annex sync (and the git-annex assistant)