retry load or creating repository config

By now missing files are not endlessly retried by the retry backend such
that it can be enabled right from the start.

In addition, this change also enables the retry backend for the `init`
command.

cmd/restic/global.go

@@ -439,26 +439,6 @@ func OpenRepository(ctx context.Context, opts GlobalOptions) (*repository.Reposi
 		return nil, err
 	}
 
-	report := func(msg string, err error, d time.Duration) {
-		if d >= 0 {
-			Warnf("%v returned error, retrying after %v: %v\n", msg, d, err)
-		} else {
-			Warnf("%v failed: %v\n", msg, err)
-		}
-	}
-	success := func(msg string, retries int) {
-		Warnf("%v operation successful after %d retries\n", msg, retries)
-	}
-	be = retry.New(be, 15*time.Minute, report, success)
-
-	// wrap backend if a test specified a hook
-	if opts.backendTestHook != nil {
-		be, err = opts.backendTestHook(be)
-		if err != nil {
-			return nil, err
-		}
-	}
-
 	s, err := repository.New(be, repository.Options{
 		Compression:   opts.Compression,
 		PackSize:      opts.PackSize * 1024 * 1024,
@@ -629,12 +609,31 @@ func innerOpen(ctx context.Context, s string, gopts GlobalOptions, opts options.
 		}
 	}
 
+	report := func(msg string, err error, d time.Duration) {
+		if d >= 0 {
+			Warnf("%v returned error, retrying after %v: %v\n", msg, d, err)
+		} else {
+			Warnf("%v failed: %v\n", msg, err)
+		}
+	}
+	success := func(msg string, retries int) {
+		Warnf("%v operation successful after %d retries\n", msg, retries)
+	}
+	be = retry.New(be, 15*time.Minute, report, success)
+
+	// wrap backend if a test specified a hook
+	if gopts.backendTestHook != nil {
+		be, err = gopts.backendTestHook(be)
+		if err != nil {
+			return nil, err
+		}
+	}
+
 	return be, nil
 }
 
 // Open the backend specified by a location config.
 func open(ctx context.Context, s string, gopts GlobalOptions, opts options.Options) (backend.Backend, error) {
-
 	be, err := innerOpen(ctx, s, gopts, opts, false)
 	if err != nil {
 		return nil, err