mirror of https://github.com/octoleo/restic.git
79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
//go:build darwin || freebsd || linux
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// +build darwin freebsd linux
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package fuse
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import (
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"os"
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"github.com/restic/restic/internal/bloblru"
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"github.com/restic/restic/internal/debug"
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"github.com/restic/restic/internal/restic"
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"github.com/anacrolix/fuse/fs"
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)
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// Config holds settings for the fuse mount.
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type Config struct {
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OwnerIsRoot bool
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Filter restic.SnapshotFilter
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TimeTemplate string
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PathTemplates []string
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}
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// Root is the root node of the fuse mount of a repository.
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type Root struct {
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repo restic.Repository
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cfg Config
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blobCache *bloblru.Cache
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*SnapshotsDir
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uid, gid uint32
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}
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// ensure that *Root implements these interfaces
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var _ = fs.HandleReadDirAller(&Root{})
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var _ = fs.NodeStringLookuper(&Root{})
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const rootInode = 1
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// Size of the blob cache. TODO: make this configurable.
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const blobCacheSize = 64 << 20
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// NewRoot initializes a new root node from a repository.
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func NewRoot(repo restic.Repository, cfg Config) *Root {
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debug.Log("NewRoot(), config %v", cfg)
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root := &Root{
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repo: repo,
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cfg: cfg,
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blobCache: bloblru.New(blobCacheSize),
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}
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if !cfg.OwnerIsRoot {
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root.uid = uint32(os.Getuid())
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root.gid = uint32(os.Getgid())
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}
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// set defaults, if PathTemplates is not set
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if len(cfg.PathTemplates) == 0 {
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cfg.PathTemplates = []string{
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"ids/%i",
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"snapshots/%T",
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"hosts/%h/%T",
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"tags/%t/%T",
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}
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}
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root.SnapshotsDir = NewSnapshotsDir(root, rootInode, rootInode, NewSnapshotsDirStructure(root, cfg.PathTemplates, cfg.TimeTemplate), "")
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return root
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}
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// Root is just there to satisfy fs.Root, it returns itself.
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func (r *Root) Root() (fs.Node, error) {
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debug.Log("Root()")
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return r, nil
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}
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