set annex.uuid in proxy's Repo

getRepoUUID looks at that, and was seeing the annex.uuid of the proxy.
Which caused it to unncessarily set the git config. Probably also would
have led to other problems.

Remote/Git.hs

@@ -805,28 +805,35 @@ listProxied proxies rs = concat <$> mapM go rs
 		Just proxyname -> mkproxied' g r p proxyname
 	
 	-- The proxied remote is constructed by renaming the proxy remote,
-	-- and setting the proxied remote's inherited configs, url and
-	-- uuid in Annex state.
+	-- changing its uuid, and setting the proxied remote's inherited
+	-- configs and uuid in Annex state.
 	mkproxied' g r p proxyname
 		| any isconfig (M.keys (Git.config g)) = pure Nothing
 		| otherwise = do
 			-- Not using addGitConfigOverride for inherited
-			-- configs and the uuid, because child git processes
-			-- do not need them to be provided with -c.
-			Annex.adjustGitRepo (pure . configadjuster)
+			-- configs other than the uuid, because child
+			-- git processes do not need them to be provided
+			-- with -c.
+			Annex.adjustGitRepo (pure . annexconfigadjuster)
 			return $ Just $ renamedr
 	  where
-		renamedr = r { Git.remoteName = Just proxyname }
+		renamedr = 
+			let c = adduuid configkeyUUID $ Git.fullconfig r
+			in r 
+				{ Git.remoteName = Just proxyname
+				, Git.config = M.map Prelude.head c
+				, Git.fullconfig = c
+				}
 		
-		configadjuster r' = 
-			let c = adduuid $ inheritconfigs $ Git.fullconfig r'
+		annexconfigadjuster r' = 
+			let c = adduuid (configRepoUUID renamedr) $
+				inheritconfigs $ Git.fullconfig r'
 			in r'
 				{ Git.config = M.map Prelude.head c
 				, Git.fullconfig = c
 				}
 
-		adduuid = M.insert
-			(configRepoUUID renamedr)
+		adduuid ck = M.insert ck
 			[Git.ConfigValue $ fromUUID $ proxyRemoteUUID p]
 
 		inheritconfigs c = foldl' inheritconfig c proxyInheritedFields