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b1dbc6f062
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.
89 lines
1.8 KiB
Go
89 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/restic/restic"
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"github.com/restic/restic/backend"
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)
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type CmdRestore struct{}
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func init() {
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_, err := parser.AddCommand("restore",
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"restore a snapshot",
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"The restore command restores a snapshot to a directory",
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&CmdRestore{})
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if err != nil {
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panic(err)
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}
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}
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func (cmd CmdRestore) Usage() string {
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return "snapshot-ID TARGETDIR [PATTERN]"
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}
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func (cmd CmdRestore) Execute(args []string) error {
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if len(args) < 2 || len(args) > 3 {
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return fmt.Errorf("wrong number of arguments, Usage: %s", cmd.Usage())
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}
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s, err := OpenRepo()
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if err != nil {
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return err
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}
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id, err := backend.FindSnapshot(s, args[0])
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if err != nil {
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errx(1, "invalid id %q: %v", args[0], err)
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}
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target := args[1]
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// create restorer
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res, err := restic.NewRestorer(s, id)
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if err != nil {
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fmt.Fprintf(os.Stderr, "creating restorer failed: %v\n", err)
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os.Exit(2)
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}
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res.Error = func(dir string, node *restic.Node, err error) error {
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fmt.Fprintf(os.Stderr, "error for %s: %+v\n", dir, err)
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// if node.Type == "dir" {
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// if e, ok := err.(*os.PathError); ok {
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// if errn, ok := e.Err.(syscall.Errno); ok {
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// if errn == syscall.EEXIST {
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// fmt.Printf("ignoring already existing directory %s\n", dir)
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// return nil
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// }
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// }
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// }
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// }
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return err
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}
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// TODO: a filter against the full path sucks as filepath.Match doesn't match
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// directory separators on '*'. still, it's better than nothing.
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if len(args) > 2 {
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res.Filter = func(item string, dstpath string, node *restic.Node) bool {
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matched, err := filepath.Match(item, args[2])
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if err != nil {
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panic(err)
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}
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return matched
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}
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}
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fmt.Printf("restoring %s to %s\n", res.Snapshot(), target)
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err = res.RestoreTo(target)
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if err != nil {
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return err
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}
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return nil
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}
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