Merge pull request #1299 from mungomat/fuse_addSnapshotIDs

fuse: Add a snapshot IDs directory (#1102)

internal/fuse/root.go

@@ -56,6 +56,7 @@ func NewRoot(ctx context.Context, repo restic.Repository, cfg Config) (*Root, er
 		"snapshots": NewSnapshotsDir(root, fs.GenerateDynamicInode(root.inode, "snapshots"), snapshots),
 		"tags":      NewTagsDir(root, fs.GenerateDynamicInode(root.inode, "tags"), snapshots),
 		"hosts":     NewHostsDir(root, fs.GenerateDynamicInode(root.inode, "hosts"), snapshots),
+		"ids":       NewSnapshotsIDSDir(root, fs.GenerateDynamicInode(root.inode, "ids"), snapshots),
 	}
 
 	root.MetaDir = NewMetaDir(root, rootInode, entries)

internal/fuse/snapshots_dir.go

@@ -66,6 +66,26 @@ func NewSnapshotsDir(root *Root, inode uint64, snapshots restic.Snapshots) *Snap
 	return d
 }
 
+// NewSnapshotsIDSDir returns a new directory containing snapshots named by ids.
+func NewSnapshotsIDSDir(root *Root, inode uint64, snapshots restic.Snapshots) *SnapshotsDir {
+	debug.Log("create snapshots ids dir with %d snapshots, inode %d", len(snapshots), inode)
+	d := &SnapshotsDir{
+		root:      root,
+		inode:     inode,
+		snapshots: snapshots,
+		names:     make(map[string]*restic.Snapshot, len(snapshots)),
+	}
+
+	for _, sn := range snapshots {
+		name := sn.ID().Str()
+
+		d.names[name] = sn
+		debug.Log("  add snapshot %v", name)
+	}
+
+	return d
+}
+
 // Attr returns the attributes for the root node.
 func (d *SnapshotsDir) Attr(ctx context.Context, attr *fuse.Attr) error {
 	attr.Inode = d.inode