func (c CmdFind) findInSnapshot(repo *repository.Repository, id backend.ID) error {
debug.Log("restic.find", "searching in snapshot %s\n for entries within [%s %s]", id.Str(), c.oldest, c.newest)
sn, err := restic.LoadSnapshot(repo, id)
if err != nil {
return err
}
results, err := c.findInTree(repo, *sn.Tree, "")
if err != nil {
return err
}
if len(results) == 0 {
return nil
}
fmt.Printf("found %d matching entries in snapshot %s\n", len(results), id)
for _, res := range results {
res.node.Name = filepath.Join(res.path, res.node.Name)
fmt.Printf(" %s\n", res.node)
}
return nil
}
func (cmd CmdSnapshots) Execute(args []string) error {
if len(args) != 0 {
return fmt.Errorf("wrong number of arguments, usage: %s", cmd.Usage())
}
s, err := cmd.global.OpenRepository()
if err != nil {
return err
}
tab := NewTable()
tab.Header = fmt.Sprintf("%-8s %-19s %-10s %s", "ID", "Date", "Source", "Directory")
tab.RowFormat = "%-8s %-19s %-10s %s"
done := make(chan struct{})
defer close(done)
list := []*restic.Snapshot{}
for id := range s.List(backend.Snapshot, done) {
sn, err := restic.LoadSnapshot(s, id)
if err != nil {
fmt.Fprintf(os.Stderr, "error loading snapshot %s: %v\n", id, err)
continue
}
pos := sort.Search(len(list), func(i int) bool {
return list[i].Time.After(sn.Time)
})
if pos < len(list) {
list = append(list, nil)
copy(list[pos+1:], list[pos:])
list[pos] = sn
} else {
list = append(list, sn)
}
}
plen, err := s.PrefixLength(backend.Snapshot)
if err != nil {
return err
}
for _, sn := range list {
if len(sn.Paths) == 0 {
continue
}
tab.Rows = append(tab.Rows, []interface{}{sn.ID()[:plen/2], sn.Time.Format(TimeFormat), sn.Hostname, sn.Paths[0]})
if len(sn.Paths) > 1 {
for _, path := range sn.Paths {
tab.Rows = append(tab.Rows, []interface{}{"", "", "", path})
}
}
}
tab.Write(os.Stdout)
return nil
}
func (cmd CmdLs) Execute(args []string) error {
if len(args) < 1 || len(args) > 2 {
return fmt.Errorf("wrong number of arguments, Usage: %s", cmd.Usage())
}
repo, err := cmd.global.OpenRepository()
if err != nil {
return err
}
err = repo.LoadIndex()
if err != nil {
return err
}
id, err := restic.FindSnapshot(repo, args[0])
if err != nil {
return err
}
sn, err := restic.LoadSnapshot(repo, id)
if err != nil {
return err
}
cmd.global.Verbosef("snapshot of %v at %s:\n", sn.Paths, sn.Time)
return cmd.printTree("", repo, sn.Tree)
}
func findLatestSnapshot(repo *repository.Repository, targets []string) (backend.ID, error) {
var (
latest time.Time
latestID backend.ID
found bool
)
for snapshotID := range repo.List(backend.Snapshot, make(chan struct{})) {
snapshot, err := restic.LoadSnapshot(repo, snapshotID)
if err != nil {
return backend.ID{}, fmt.Errorf("Error listing snapshot: %v", err)
}
if snapshot.Time.After(latest) && samePaths(snapshot.Paths, targets) {
latest = snapshot.Time
latestID = snapshotID
found = true
}
}
if !found {
return backend.ID{}, errNoSnapshotFound
}
return latestID, nil
}
func (sn *SnapshotsDir) updateCache(ctx context.Context) error {
sn.Lock()
defer sn.Unlock()
for id := range sn.repo.List(backend.Snapshot, ctx.Done()) {
snapshot, err := restic.LoadSnapshot(sn.repo, id)
if err != nil {
return err
}
sn.knownSnapshots[snapshot.Time.Format(time.RFC3339)] = SnapshotWithId{snapshot, id}
}
return nil
}
func loadTreeFromSnapshot(repo *repository.Repository, id backend.ID) (backend.ID, error) {
sn, err := restic.LoadSnapshot(repo, id)
if err != nil {
debug.Log("Checker.loadTreeFromSnapshot", "error loading snapshot %v: %v", id.Str(), err)
return backend.ID{}, err
}
if sn.Tree == nil {
debug.Log("Checker.loadTreeFromSnapshot", "snapshot %v has no tree", id.Str())
return backend.ID{}, fmt.Errorf("snapshot %v has no tree", id)
}
return *sn.Tree, nil
}
func fsckSnapshot(global CmdFsck, repo *repository.Repository, id backend.ID) error {
debug.Log("restic.fsck", "checking snapshot %v\n", id)
sn, err := restic.LoadSnapshot(repo, id)
if err != nil {
return fmt.Errorf("loading snapshot %v failed: %v", id, err)
}
err = fsckTree(global, repo, sn.Tree)
if err != nil {
debug.Log("restic.fsck", " checking tree %v for snapshot %v\n", sn.Tree, id)
fmt.Fprintf(os.Stderr, "snapshot %v:\n error for tree %v:\n %v\n", id, sn.Tree, err)
}
return err
}
func printSnapshots(repo *repository.Repository, wr io.Writer) error {
done := make(chan struct{})
defer close(done)
for id := range repo.List(backend.Snapshot, done) {
snapshot, err := restic.LoadSnapshot(repo, id)
if err != nil {
fmt.Fprintf(os.Stderr, "LoadSnapshot(%v): %v", id.Str(), err)
continue
}
fmt.Fprintf(wr, "snapshot_id: %v\n", id)
err = prettyPrintJSON(wr, snapshot)
if err != nil {
return err
}
}
return nil
}
func TestMount(t *testing.T) {
if !RunFuseTest {
t.Skip("Skipping fuse tests")
}
checkSnapshots := func(repo *repository.Repository, mountpoint string, snapshotIDs []backend.ID) {
snapshotsDir, err := os.Open(filepath.Join(mountpoint, "snapshots"))
OK(t, err)
namesInSnapshots, err := snapshotsDir.Readdirnames(-1)
OK(t, err)
Assert(t,
len(namesInSnapshots) == len(snapshotIDs),
"Invalid number of snapshots: expected %d, got %d", len(snapshotIDs), len(namesInSnapshots))
namesMap := make(map[string]bool)
for _, name := range namesInSnapshots {
namesMap[name] = false
}
for _, id := range snapshotIDs {
snapshot, err := restic.LoadSnapshot(repo, id)
OK(t, err)
_, ok := namesMap[snapshot.Time.Format(time.RFC3339)]
Assert(t, ok, "Snapshot %s isn't present in fuse dir", snapshot.Time.Format(time.RFC3339))
namesMap[snapshot.Time.Format(time.RFC3339)] = true
}
for name, present := range namesMap {
Assert(t, present, "Directory %s is present in fuse dir but is not a snapshot", name)
}
OK(t, snapshotsDir.Close())
}
withTestEnvironment(t, func(env *testEnvironment, global GlobalOptions) {
cmdInit(t, global)
repo, err := global.OpenRepository()
OK(t, err)
mountpoint, err := ioutil.TempDir(TestTempDir, "restic-test-mount-")
OK(t, err)
// We remove the mountpoint now to check that cmdMount creates it
OK(t, os.RemoveAll(mountpoint))
ready := make(chan struct{}, 1)
done := make(chan struct{})
go cmdMount(t, global, mountpoint, ready, done)
<-ready
defer close(done)
OK(t, waitForMount(mountpoint))
mountpointDir, err := os.Open(mountpoint)
OK(t, err)
names, err := mountpointDir.Readdirnames(-1)
OK(t, err)
Assert(t, len(names) == 1 && names[0] == "snapshots", `The fuse virtual directory "snapshots" doesn't exist`)
OK(t, mountpointDir.Close())
checkSnapshots(repo, mountpoint, []backend.ID{})
datafile := filepath.Join("testdata", "backup-data.tar.gz")
fd, err := os.Open(datafile)
if os.IsNotExist(err) {
t.Skipf("unable to find data file %q, skipping", datafile)
return
}
OK(t, err)
OK(t, fd.Close())
SetupTarTestFixture(t, env.testdata, datafile)
// first backup
cmdBackup(t, global, []string{env.testdata}, nil)
snapshotIDs := cmdList(t, global, "snapshots")
Assert(t, len(snapshotIDs) == 1,
"expected one snapshot, got %v", snapshotIDs)
checkSnapshots(repo, mountpoint, snapshotIDs)
// second backup, implicit incremental
cmdBackup(t, global, []string{env.testdata}, nil)
snapshotIDs = cmdList(t, global, "snapshots")
Assert(t, len(snapshotIDs) == 2,
"expected two snapshots, got %v", snapshotIDs)
checkSnapshots(repo, mountpoint, snapshotIDs)
// third backup, explicit incremental
cmdBackup(t, global, []string{env.testdata}, &snapshotIDs[0])
snapshotIDs = cmdList(t, global, "snapshots")
Assert(t, len(snapshotIDs) == 3,
"expected three snapshots, got %v", snapshotIDs)
checkSnapshots(repo, mountpoint, snapshotIDs)
})
}
