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This commit is contained in:
Alexander Neumann
2014-11-30 22:34:21 +01:00
parent 4246e7602f
commit 3325fa07ea
8 changed files with 229 additions and 17 deletions
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19
cmd/khepri/cmd_backup.go
View File

@@ -53,11 +53,22 @@ func print_tree2(indent int, t *khepri.Tree) {
}
func commandBackup(be backend.Server, key *khepri.Key, args []string) error {
if len(args) != 1 {
return errors.New("usage: backup [dir|file]")
if len(args) < 1 || len(args) > 2 {
return errors.New("usage: backup [dir|file] [snapshot-id]")
}
var parentSnapshotID backend.ID
var err error
target := args[0]
if len(args) > 1 {
parentSnapshotID, err = backend.FindSnapshot(be, args[1])
if err != nil {
return fmt.Errorf("invalid id %q: %v", args[1], err)
}
fmt.Printf("found parent snapshot %v\n", parentSnapshotID)
}
arch, err := khepri.NewArchiver(be, key)
if err != nil {
@@ -89,7 +100,7 @@ func commandBackup(be backend.Server, key *khepri.Key, args []string) error {
// return true
// }
t, err := arch.LoadTree(target)
t, err := arch.LoadTree(target, parentSnapshotID)
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
return err
@@ -144,7 +155,7 @@ func commandBackup(be backend.Server, key *khepri.Key, args []string) error {
}(ch)
}
sn, id, err := arch.Snapshot(target, t)
sn, id, err := arch.Snapshot(target, t, parentSnapshotID)
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
}

3
cmd/khepri/main.go
View File

@@ -32,7 +32,7 @@ func errx(code int, format string, data ...interface{}) {
type commandFunc func(backend.Server, *khepri.Key, []string) error
var commands map[string]commandFunc
var commands = make(map[string]commandFunc)
func readPassword(env string, prompt string) string {
@@ -126,7 +126,6 @@ func create(u string) (backend.Server, error) {
}
func init() {
commands = make(map[string]commandFunc)
commands["backup"] = commandBackup
commands["restore"] = commandRestore
commands["list"] = commandList