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Support for pattern in restore command 

This just matches the passed pattern against the full source path with
filepath.Match which, in contrast go filepath.Glob, doesn't match the
directory separator with '*' and is not terribly useful that way.
Someone should replace that by a more sophisticated matcher.
This commit is contained in:
Sebastian Schmidt 2015-01-01 16:29:41 +01:00
parent bd43e27deb
commit 22f23ef31b
1 changed files with 15 additions and 2 deletions
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17
cmd/restic/cmd_restore.go
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@ -3,6 +3,7 @@ package main
import ( import (
"fmt" "fmt"
"os" "os"
"path/filepath"
"github.com/restic/restic" "github.com/restic/restic"
"github.com/restic/restic/backend" "github.com/restic/restic/backend"
@ -21,11 +22,11 @@ func init() {
} }
func (cmd CmdRestore) Usage() string { func (cmd CmdRestore) Usage() string {
return "snapshot-ID TARGETDIR" return "snapshot-ID TARGETDIR [PATTERN]"
} }
func (cmd CmdRestore) Execute(args []string) error { func (cmd CmdRestore) Execute(args []string) error {
if len(args) != 2 { if len(args) < 2 || len(args) > 3 {
return fmt.Errorf("wrong number of arguments, Usage: %s", cmd.Usage()) return fmt.Errorf("wrong number of arguments, Usage: %s", cmd.Usage())
} }
@ -64,6 +65,18 @@ func (cmd CmdRestore) Execute(args []string) error {
return err return err
} }
// TODO: a filter against the full path sucks as filepath.Match doesn't match
// directory separators on '*'. still, it's better than nothing.
if len(args) > 2 {
res.Filter = func(item string, dstpath string, node *restic.Node) bool {
matched, err := filepath.Match(item, args[2])
if err != nil {
panic(err)
}
return matched
}
}
fmt.Printf("restoring %s to %s\n", res.Snapshot(), target) fmt.Printf("restoring %s to %s\n", res.Snapshot(), target)
err = res.RestoreTo(target) err = res.RestoreTo(target)