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Add time to command 'find'

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This commit is contained in:
Alexander Neumann 2014-12-07 17:11:01 +01:00
parent 28bb061ad3
commit 879abd0d12
1 changed files with 78 additions and 20 deletions
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98
cmd/restic/cmd_find.go
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@ -21,8 +21,26 @@ type findResult struct {
}
type CmdFind struct {
Oldest time.Time `short:"o" long:"oldest" description:"Oldest modification date/time"`
Newest time.Time `short:"n" long:"newest" description:"Newest modification date/time"`
Oldest string `short:"o" long:"oldest" description:"Oldest modification date/time"`
Newest string `short:"n" long:"newest" description:"Newest modification date/time"`
Snapshot string `short:"s" long:"snapshot" description:"Snapshot ID to search in"`
oldest, newest time.Time
pattern string
}
var timeFormats = []string{
"2006-01-02",
"2006-01-02 15:04",
"2006-01-02 15:04:05",
"2006-01-02 15:04:05 -0700",
"2006-01-02 15:04:05 MST",
"02.01.2006",
"02.01.2006 15:04",
"02.01.2006 15:04:05",
"02.01.2006 15:04:05 -0700",
"02.01.2006 15:04:05 MST",
"Mon Jan 2 15:04:05 -0700 MST 2006",
}
func init() {
@ -35,7 +53,17 @@ func init() {
}
}
func findInTree(ch *restic.ContentHandler, id backend.ID, path, pattern string) ([]findResult, error) {
func parseTime(str string) (time.Time, error) {
for _, fmt := range timeFormats {
if t, err := time.ParseInLocation(fmt, str, time.Local); err == nil {
return t, nil
}
}
return time.Time{}, fmt.Errorf("unable to parse time: %q", str)
}
func (c CmdFind) findInTree(ch *restic.ContentHandler, id backend.ID, path string) ([]findResult, error) {
debug("checking tree %v\n", id)
tree, err := restic.LoadTree(ch, id)
@ -45,19 +73,32 @@ func findInTree(ch *restic.ContentHandler, id backend.ID, path, pattern string)
results := []findResult{}
for _, node := range tree {
m, err := filepath.Match(pattern, node.Name)
debug(" testing entry %q\n", node.Name)
m, err := filepath.Match(c.pattern, node.Name)
if err != nil {
return nil, err
}
debug(" testing entry %q: %v\n", node.Name, m)
if m {
debug(" pattern matches\n")
if !c.oldest.IsZero() && node.ModTime.Before(c.oldest) {
debug(" ModTime is older than %s\n", c.oldest)
continue
}
if !c.newest.IsZero() && node.ModTime.After(c.newest) {
debug(" ModTime is newer than %s\n", c.newest)
continue
}
results = append(results, findResult{node: node, path: path})
} else {
debug(" pattern does not match\n")
}
if node.Type == "dir" {
subdirResults, err := findInTree(ch, node.Subtree, filepath.Join(path, node.Name), pattern)
subdirResults, err := c.findInTree(ch, node.Subtree, filepath.Join(path, node.Name))
if err != nil {
return nil, err
}
@ -69,8 +110,8 @@ func findInTree(ch *restic.ContentHandler, id backend.ID, path, pattern string)
return results, nil
}
func findInSnapshot(be backend.Server, key *restic.Key, id backend.ID, pattern string) error {
debug("searching in snapshot %v\n", id)
func (c CmdFind) findInSnapshot(be backend.Server, key *restic.Key, id backend.ID) error {
debug("searching in snapshot %s\n for entries within [%s %s]", id, c.oldest, c.newest)
ch, err := restic.NewContentHandler(be, key)
if err != nil {
@ -82,7 +123,7 @@ func findInSnapshot(be backend.Server, key *restic.Key, id backend.ID, pattern s
return err
}
results, err := findInTree(ch, sn.Tree, "", pattern)
results, err := c.findInTree(ch, sn.Tree, "")
if err != nil {
return err
}
@ -100,13 +141,29 @@ func findInSnapshot(be backend.Server, key *restic.Key, id backend.ID, pattern s
return nil
}
func (cmd CmdFind) Usage() string {
return "[find-OPTIONS] PATTERN [snapshot-ID]"
func (CmdFind) Usage() string {
return "[find-OPTIONS] PATTERN"
}
func (cmd CmdFind) Execute(args []string) error {
if len(args) == 0 {
return fmt.Errorf("no pattern given, Usage: %s", cmd.Usage())
func (c CmdFind) Execute(args []string) error {
if len(args) != 1 {
return fmt.Errorf("invalid number of arguments, Usage: %s", c.Usage())
}
var err error
if c.Oldest != "" {
c.oldest, err = parseTime(c.Oldest)
if err != nil {
return err
}
}
if c.Newest != "" {
c.newest, err = parseTime(c.Newest)
if err != nil {
return err
}
}
be, key, err := OpenRepo()
@ -114,14 +171,15 @@ func (cmd CmdFind) Execute(args []string) error {
return err
}
pattern := args[0]
if len(args) == 2 {
snapshotID, err := backend.FindSnapshot(be, args[1])
c.pattern = args[0]
if c.Snapshot != "" {
snapshotID, err := backend.FindSnapshot(be, c.Snapshot)
if err != nil {
return fmt.Errorf("invalid id %q: %v", args[1], err)
}
return findInSnapshot(be, key, snapshotID, pattern)
return c.findInSnapshot(be, key, snapshotID)
}
list, err := be.List(backend.Snapshot)
@ -130,7 +188,7 @@ func (cmd CmdFind) Execute(args []string) error {
}
for _, snapshotID := range list {
err := findInSnapshot(be, key, snapshotID, pattern)
err := c.findInSnapshot(be, key, snapshotID)
if err != nil {
return err