rework annex-ignore handling

Only one place need to filter the list of remotes for ignored remotes:
keyPossibilities. Make the full list available to everything else.

This allows getting rid of the special case handing for --from and --to
to make ignored remotes not be ignored with those options.

Remote/Bup.hs

@@ -66,7 +66,8 @@ gen r u c = do
 			removeKey = remove,
 			hasKey = checkPresent r bupr',
 			hasKeyCheap = bupLocal buprepo,
-			config = c
+			config = c,
+			repo = r
 		}
 
 bupSetup :: UUID -> RemoteConfig -> Annex RemoteConfig

Remote/Directory.hs

@@ -57,7 +57,8 @@ gen r u c = do
 			removeKey = remove dir,
 			hasKey = checkPresent dir,
 			hasKeyCheap = True,
-			config = Nothing
+			config = Nothing,
+			repo = r
 		}
 
 directorySetup :: UUID -> RemoteConfig -> Annex RemoteConfig

Remote/Git.hs

@@ -71,7 +71,8 @@ gen r u _ = do
 		removeKey = dropKey r',
 		hasKey = inAnnex r',
 		hasKeyCheap = cheap,
-		config = Nothing
+		config = Nothing,
+		repo = r'
 	}
 
 {- Tries to read the config for a specified remote, updates state, and

Remote/Hook.hs

@@ -58,7 +58,8 @@ gen r u c = do
 			removeKey = remove hooktype,
 			hasKey = checkPresent r hooktype,
 			hasKeyCheap = False,
-			config = Nothing
+			config = Nothing,
+			repo = r
 		}
 
 hookSetup :: UUID -> RemoteConfig -> Annex RemoteConfig

Remote/Rsync.hs

@@ -66,7 +66,8 @@ gen r u c = do
 			removeKey = remove o,
 			hasKey = checkPresent r o,
 			hasKeyCheap = False,
-			config = Nothing
+			config = Nothing,
+			repo = r
 		}
 
 genRsyncOpts :: Git.Repo -> Annex RsyncOpts

Remote/S3real.hs

@@ -67,7 +67,8 @@ gen' r u c cst =
 			removeKey = remove this,
 			hasKey = checkPresent this,
 			hasKeyCheap = False,
-			config = c
+			config = c,
+			repo = r
 		}
 
 s3Setup :: UUID -> RemoteConfig -> Annex RemoteConfig

Remote/Web.hs

@@ -58,7 +58,8 @@ gen r _ _ =
 		removeKey = dropKey,
 		hasKey = checkKey,
 		hasKeyCheap = False,
-		config = Nothing
+		config = Nothing,
+		repo = r
 	}
 
 {- The urls for a key are stored in remote/web/hash/key.log