Add option to use root as owner of files/dirs
This commit is contained in:
parent
bdcb2175c5
commit
dde0fd8421
6 changed files with 59 additions and 36 deletions
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@ -13,6 +13,8 @@ import (
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)
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)
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type CmdMount struct {
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type CmdMount struct {
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Root bool `long:"owner-root" description:"use 'root' as the owner of files and dirs" default:"false"`
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global *GlobalOptions
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global *GlobalOptions
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ready chan struct{}
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ready chan struct{}
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done chan struct{}
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done chan struct{}
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@ -69,7 +71,7 @@ func (cmd CmdMount) Execute(args []string) error {
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}
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}
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root := fs.Tree{}
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root := fs.Tree{}
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root.Add("snapshots", fuse.NewSnapshotsDir(repo))
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root.Add("snapshots", fuse.NewSnapshotsDir(repo, cmd.Root))
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cmd.global.Printf("Now serving %s at %s\n", repo.Backend().Location(), mountpoint)
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cmd.global.Printf("Now serving %s at %s\n", repo.Backend().Location(), mountpoint)
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cmd.global.Printf("Don't forget to umount after quitting!\n")
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cmd.global.Printf("Don't forget to umount after quitting!\n")
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39
fuse/dir.go
39
fuse/dir.go
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@ -16,13 +16,14 @@ var _ = fs.HandleReadDirAller(&dir{})
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var _ = fs.NodeStringLookuper(&dir{})
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var _ = fs.NodeStringLookuper(&dir{})
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type dir struct {
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type dir struct {
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repo *repository.Repository
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repo *repository.Repository
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items map[string]*restic.Node
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items map[string]*restic.Node
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inode uint64
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inode uint64
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node *restic.Node
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node *restic.Node
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ownerIsRoot bool
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}
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}
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func newDir(repo *repository.Repository, node *restic.Node) (*dir, error) {
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func newDir(repo *repository.Repository, node *restic.Node, ownerIsRoot bool) (*dir, error) {
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tree, err := restic.LoadTree(repo, *node.Subtree)
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tree, err := restic.LoadTree(repo, *node.Subtree)
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if err != nil {
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if err != nil {
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return nil, err
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return nil, err
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@ -33,14 +34,15 @@ func newDir(repo *repository.Repository, node *restic.Node) (*dir, error) {
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}
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}
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return &dir{
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return &dir{
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repo: repo,
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repo: repo,
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node: node,
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node: node,
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items: items,
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items: items,
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inode: node.Inode,
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inode: node.Inode,
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ownerIsRoot: ownerIsRoot,
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}, nil
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}, nil
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}
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}
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func newDirFromSnapshot(repo *repository.Repository, snapshot SnapshotWithId) (*dir, error) {
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func newDirFromSnapshot(repo *repository.Repository, snapshot SnapshotWithId, ownerIsRoot bool) (*dir, error) {
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tree, err := restic.LoadTree(repo, *snapshot.Tree)
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tree, err := restic.LoadTree(repo, *snapshot.Tree)
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if err != nil {
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if err != nil {
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return nil, err
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return nil, err
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@ -60,8 +62,9 @@ func newDirFromSnapshot(repo *repository.Repository, snapshot SnapshotWithId) (*
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ChangeTime: snapshot.Time,
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ChangeTime: snapshot.Time,
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Mode: os.ModeDir | 0555,
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Mode: os.ModeDir | 0555,
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},
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},
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items: items,
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items: items,
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inode: inodeFromBackendId(snapshot.ID),
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inode: inodeFromBackendId(snapshot.ID),
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ownerIsRoot: ownerIsRoot,
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}, nil
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}, nil
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}
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}
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@ -69,8 +72,10 @@ func (d *dir) Attr(ctx context.Context, a *fuse.Attr) error {
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a.Inode = d.inode
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a.Inode = d.inode
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a.Mode = os.ModeDir | d.node.Mode
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a.Mode = os.ModeDir | d.node.Mode
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a.Uid = d.node.UID
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if !d.ownerIsRoot {
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a.Gid = d.node.GID
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a.Uid = d.node.UID
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a.Gid = d.node.GID
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}
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a.Atime = d.node.AccessTime
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a.Atime = d.node.AccessTime
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a.Ctime = d.node.ChangeTime
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a.Ctime = d.node.ChangeTime
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a.Mtime = d.node.ModTime
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a.Mtime = d.node.ModTime
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@ -108,11 +113,11 @@ func (d *dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
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}
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}
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switch node.Type {
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switch node.Type {
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case "dir":
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case "dir":
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return newDir(d.repo, node)
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return newDir(d.repo, node, d.ownerIsRoot)
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case "file":
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case "file":
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return newFile(d.repo, node)
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return newFile(d.repo, node, d.ownerIsRoot)
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case "symlink":
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case "symlink":
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return newLink(d.repo, node)
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return newLink(d.repo, node, d.ownerIsRoot)
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default:
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default:
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return nil, fuse.ENOENT
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return nil, fuse.ENOENT
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}
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}
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23
fuse/file.go
23
fuse/file.go
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@ -24,8 +24,9 @@ type BlobLoader interface {
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}
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}
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type file struct {
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type file struct {
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repo BlobLoader
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repo BlobLoader
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node *restic.Node
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node *restic.Node
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ownerIsRoot bool
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sizes []uint
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sizes []uint
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blobs [][]byte
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blobs [][]byte
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@ -39,7 +40,7 @@ var blobPool = sync.Pool{
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},
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},
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}
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}
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func newFile(repo BlobLoader, node *restic.Node) (*file, error) {
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func newFile(repo BlobLoader, node *restic.Node, ownerIsRoot bool) (*file, error) {
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sizes := make([]uint, len(node.Content))
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sizes := make([]uint, len(node.Content))
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for i, id := range node.Content {
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for i, id := range node.Content {
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size, err := repo.LookupBlobSize(id)
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size, err := repo.LookupBlobSize(id)
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@ -51,10 +52,11 @@ func newFile(repo BlobLoader, node *restic.Node) (*file, error) {
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}
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}
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return &file{
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return &file{
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repo: repo,
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repo: repo,
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node: node,
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node: node,
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sizes: sizes,
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sizes: sizes,
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blobs: make([][]byte, len(node.Content)),
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blobs: make([][]byte, len(node.Content)),
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ownerIsRoot: ownerIsRoot,
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}, nil
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}, nil
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}
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}
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@ -62,8 +64,11 @@ func (f *file) Attr(ctx context.Context, a *fuse.Attr) error {
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a.Inode = f.node.Inode
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a.Inode = f.node.Inode
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a.Mode = f.node.Mode
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a.Mode = f.node.Mode
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a.Size = f.node.Size
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a.Size = f.node.Size
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a.Uid = f.node.UID
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a.Gid = f.node.GID
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if !f.ownerIsRoot {
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a.Uid = f.node.UID
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a.Gid = f.node.GID
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}
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a.Atime = f.node.AccessTime
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a.Atime = f.node.AccessTime
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a.Ctime = f.node.ChangeTime
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a.Ctime = f.node.ChangeTime
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a.Mtime = f.node.ModTime
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a.Mtime = f.node.ModTime
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@ -121,7 +121,7 @@ func TestFuseFile(t *testing.T) {
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Size: 42,
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Size: 42,
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Content: ids,
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Content: ids,
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}
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}
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f, err := newFile(repo, node)
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f, err := newFile(repo, node, false)
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OK(t, err)
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OK(t, err)
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attr := fuse.Attr{}
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attr := fuse.Attr{}
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14
fuse/link.go
14
fuse/link.go
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@ -12,11 +12,12 @@ import (
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var _ = fs.NodeReadlinker(&link{})
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var _ = fs.NodeReadlinker(&link{})
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type link struct {
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type link struct {
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node *restic.Node
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node *restic.Node
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ownerIsRoot bool
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}
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}
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func newLink(repo *repository.Repository, node *restic.Node) (*link, error) {
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func newLink(repo *repository.Repository, node *restic.Node, ownerIsRoot bool) (*link, error) {
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return &link{node: node}, nil
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return &link{node: node, ownerIsRoot: ownerIsRoot}, nil
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}
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}
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func (l *link) Readlink(ctx context.Context, req *fuse.ReadlinkRequest) (string, error) {
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func (l *link) Readlink(ctx context.Context, req *fuse.ReadlinkRequest) (string, error) {
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@ -26,8 +27,11 @@ func (l *link) Readlink(ctx context.Context, req *fuse.ReadlinkRequest) (string,
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func (l *link) Attr(ctx context.Context, a *fuse.Attr) error {
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func (l *link) Attr(ctx context.Context, a *fuse.Attr) error {
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a.Inode = l.node.Inode
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a.Inode = l.node.Inode
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a.Mode = l.node.Mode
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a.Mode = l.node.Mode
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a.Uid = l.node.UID
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a.Gid = l.node.GID
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if !l.ownerIsRoot {
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a.Uid = l.node.UID
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a.Gid = l.node.GID
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}
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a.Atime = l.node.AccessTime
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a.Atime = l.node.AccessTime
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a.Ctime = l.node.ChangeTime
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a.Ctime = l.node.ChangeTime
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a.Mtime = l.node.ModTime
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a.Mtime = l.node.ModTime
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@ -27,23 +27,30 @@ var _ = fs.HandleReadDirAller(&SnapshotsDir{})
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var _ = fs.NodeStringLookuper(&SnapshotsDir{})
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var _ = fs.NodeStringLookuper(&SnapshotsDir{})
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type SnapshotsDir struct {
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type SnapshotsDir struct {
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repo *repository.Repository
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repo *repository.Repository
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ownerIsRoot bool
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// knownSnapshots maps snapshot timestamp to the snapshot
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// knownSnapshots maps snapshot timestamp to the snapshot
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sync.RWMutex
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sync.RWMutex
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knownSnapshots map[string]SnapshotWithId
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knownSnapshots map[string]SnapshotWithId
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}
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}
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func NewSnapshotsDir(repo *repository.Repository) *SnapshotsDir {
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func NewSnapshotsDir(repo *repository.Repository, ownerIsRoot bool) *SnapshotsDir {
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return &SnapshotsDir{
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return &SnapshotsDir{
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repo: repo,
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repo: repo,
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knownSnapshots: make(map[string]SnapshotWithId),
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knownSnapshots: make(map[string]SnapshotWithId),
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ownerIsRoot: ownerIsRoot,
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}
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}
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}
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}
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func (sn *SnapshotsDir) Attr(ctx context.Context, attr *fuse.Attr) error {
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func (sn *SnapshotsDir) Attr(ctx context.Context, attr *fuse.Attr) error {
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attr.Inode = 0
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attr.Inode = 0
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attr.Mode = os.ModeDir | 0555
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attr.Mode = os.ModeDir | 0555
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if !sn.ownerIsRoot {
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attr.Uid = uint32(os.Getuid())
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attr.Gid = uint32(os.Getgid())
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}
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return nil
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return nil
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}
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}
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@ -105,5 +112,5 @@ func (sn *SnapshotsDir) Lookup(ctx context.Context, name string) (fs.Node, error
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}
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}
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}
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}
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return newDirFromSnapshot(sn.repo, snapshot)
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return newDirFromSnapshot(sn.repo, snapshot, sn.ownerIsRoot)
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}
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}
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