implement Unavilable for gcrypt

Sponsored-by: Brett Eisenberg on Patreon

CHANGELOG

@@ -10,7 +10,7 @@ git-annex (10.20230803) UNRELEASED; urgency=medium
   * Stop bundling curl in the OSX dmg and linux standalone image.
   * sync, assist, push, pull: Skip more types of remotes when they
     are not present due to eg being on a drive that is offline.
-    (directory, borg, bup, ddar, rsync)
+    (directory, borg, bup, ddar, gcrypt, rsync)
   * info: Added available to the info displayed for a remote.
   * Added AVAILABILITY UNAVAILABLE and the UNAVAILABLERESPONSE extension
     to the external special remote protocol.

Remote/GCrypt.hs

@@ -158,7 +158,7 @@ gen' r u c gc rs = do
 		, readonly = Git.repoIsHttp r
 		, appendonly = False
 		, untrustworthy = False
-		, availability = pure (availabilityCalc r)
+		, availability = repoAvail r
 		, remotetype = remote
 		, mkUnavailable = return Nothing
 		, getInfo = gitRepoInfo this

Remote/Git.hs

@@ -231,26 +231,6 @@ unavailable r = gen r'
 			Nothing -> r { Git.location = Git.Unknown }
 		_ -> r -- already unavailable
 
-{- Checks relatively inexpensively if a repository is available for use. -}
-repoAvail :: Git.Repo -> Annex Availability
-repoAvail r 
-	| Git.repoIsHttp r = return GloballyAvailable
-	| Git.GCrypt.isEncrypted r = do
-		g <- gitRepo
-		liftIO $ do
-			er <- Git.GCrypt.encryptedRemote g r
-			if Git.repoIsLocal er || Git.repoIsLocalUnknown er
-				then checklocal er
-				else return GloballyAvailable
-	| Git.repoIsUrl r = return GloballyAvailable
-	| Git.repoIsLocalUnknown r = return Unavailable
-	| otherwise = checklocal r
-  where
-	checklocal r' = ifM (liftIO $ isJust <$> catchMaybeIO (Git.Config.read r'))
-		( return LocallyAvailable
-		, return Unavailable
-		)
-
 {- Tries to read the config for a specified remote, updates state, and
  - returns the updated repo. -}
 tryGitConfigRead :: Bool -> Git.Repo -> Bool -> Annex Git.Repo

Remote/Helper/Git.hs

@@ -9,9 +9,11 @@ module Remote.Helper.Git where
 
 import Annex.Common
 import qualified Git
+import qualified Git.GCrypt
 import Types.Availability
 import qualified Types.Remote as Remote
 import qualified Utility.RawFilePath as R
+import qualified Git.Config
 
 import Data.Time.Clock.POSIX
 import System.PosixCompat.Files (modificationTime)
@@ -24,10 +26,25 @@ localpathCalc r
 	| not (Git.repoIsLocal r) && not (Git.repoIsLocalUnknown r) = Nothing
 	| otherwise = Just $ fromRawFilePath $ Git.repoPath r
 
-availabilityCalc :: Git.Repo -> Availability
-availabilityCalc r
-	| (Git.repoIsLocal r || Git.repoIsLocalUnknown r) = LocallyAvailable
-	| otherwise = GloballyAvailable
+{- Checks relatively inexpensively if a repository is available for use. -}
+repoAvail :: Git.Repo -> Annex Availability
+repoAvail r 
+	| Git.repoIsHttp r = return GloballyAvailable
+	| Git.GCrypt.isEncrypted r = do
+		g <- gitRepo
+		liftIO $ do
+			er <- Git.GCrypt.encryptedRemote g r
+			if Git.repoIsLocal er || Git.repoIsLocalUnknown er
+				then checklocal er
+				else return GloballyAvailable
+	| Git.repoIsUrl r = return GloballyAvailable
+	| Git.repoIsLocalUnknown r = return Unavailable
+	| otherwise = checklocal r
+  where
+	checklocal r' = ifM (liftIO $ isJust <$> catchMaybeIO (Git.Config.read r'))
+		( return LocallyAvailable
+		, return Unavailable
+		)
 
 {- Avoids performing an action on a local repository that's not usable.
  - Does not check that the repository is still available on disk. -}