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restic/cmd/restic/cmd_list.go
Alexander Neumann 8d9d218d1c list: Improve error message
Before:

    $ restic list
    Fatal: type not specified

After:

    $ restic list
    Fatal: type not specified, usage: list [blobs|packs|index|snapshots|keys|locks]

Closes #1783
2018-05-17 19:41:56 +02:00

81 lines
1.5 KiB
Go

package main
import (
"fmt"
"github.com/restic/restic/internal/errors"
"github.com/restic/restic/internal/index"
"github.com/restic/restic/internal/restic"
"github.com/spf13/cobra"
)
var cmdList = &cobra.Command{
Use: "list [blobs|packs|index|snapshots|keys|locks]",
Short: "List objects in the repository",
Long: `
The "list" command allows listing objects in the repository based on type.
`,
DisableAutoGenTag: true,
RunE: func(cmd *cobra.Command, args []string) error {
return runList(cmd, globalOptions, args)
},
}
func init() {
cmdRoot.AddCommand(cmdList)
}
func runList(cmd *cobra.Command, opts GlobalOptions, args []string) error {
if len(args) != 1 {
return errors.Fatal("type not specified, usage: " + cmd.Use)
}
repo, err := OpenRepository(opts)
if err != nil {
return err
}
if !opts.NoLock {
lock, err := lockRepo(repo)
defer unlockRepo(lock)
if err != nil {
return err
}
}
var t restic.FileType
switch args[0] {
case "packs":
t = restic.DataFile
case "index":
t = restic.IndexFile
case "snapshots":
t = restic.SnapshotFile
case "keys":
t = restic.KeyFile
case "locks":
t = restic.LockFile
case "blobs":
idx, err := index.Load(opts.ctx, repo, nil)
if err != nil {
return err
}
for _, pack := range idx.Packs {
for _, entry := range pack.Entries {
fmt.Printf("%v %v\n", entry.Type, entry.ID)
}
}
return nil
default:
return errors.Fatal("invalid type")
}
return repo.List(opts.ctx, t, func(id restic.ID, size int64) error {
Printf("%s\n", id)
return nil
})
}