fuse/mount: display symlinks properly

cmd/restic/fuse/dir.go

@@ -71,6 +71,8 @@ func (d *dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
 			typ = fuse.DT_Dir
 		case "file":
 			typ = fuse.DT_File
+		case "symlink":
+			typ = fuse.DT_Link
 		}
 
 		ret = append(ret, fuse.Dirent{
@@ -93,6 +95,8 @@ func (d *dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
 		return newDir(d.repo, child)
 	case "file":
 		return newFile(d.repo, child)
+	case "symlink":
+		return newLink(d.repo, child)
 	default:
 		return nil, fuse.ENOENT
 	}

cmd/restic/fuse/link.go

@@ -0,0 +1,30 @@
+package fuse
+
+import (
+	"bazil.org/fuse"
+	"bazil.org/fuse/fs"
+	"github.com/restic/restic"
+	"github.com/restic/restic/repository"
+	"golang.org/x/net/context"
+)
+
+// Statically ensure that *file implements the given interface
+var _ = fs.NodeReadlinker(&link{})
+
+type link struct {
+	node *restic.Node
+}
+
+func newLink(repo *repository.Repository, node *restic.Node) (*link, error) {
+	return &link{node: node}, nil
+}
+
+func (l *link) Readlink(ctx context.Context, req *fuse.ReadlinkRequest) (string, error) {
+	return l.node.LinkTarget, nil
+}
+
+func (l *link) Attr(ctx context.Context, a *fuse.Attr) error {
+	a.Inode = l.node.Inode
+	a.Mode = l.node.Mode
+	return nil
+}