/
cmd_simplefs_recover.go
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/
cmd_simplefs_recover.go
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// Copyright 2018 Keybase, Inc. All rights reserved. Use of
// this source code is governed by the included BSD license.
package client
import (
"errors"
"golang.org/x/net/context"
"github.com/keybase/cli"
"github.com/keybase/client/go/libcmdline"
"github.com/keybase/client/go/libkb"
keybase1 "github.com/keybase/client/go/protocol/keybase1"
)
// CmdSimpleFSRecover is the 'fs recover' command.
type CmdSimpleFSRecover struct {
libkb.Contextified
src []keybase1.Path
opCanceler *OpCanceler
}
var _ Canceler = (*CmdSimpleFSRecover)(nil)
// NewCmdSimpleFSRecover creates a new cli.Command.
func NewCmdSimpleFSRecover(cl *libcmdline.CommandLine, g *libkb.GlobalContext) cli.Command {
return cli.Command{
Name: "recover",
ArgumentHelp: "<path> [<path2> <path3>...]",
Usage: "recovers the given files or directories from a past revision",
Action: func(c *cli.Context) {
cl.ChooseCommand(&CmdSimpleFSRecover{
Contextified: libkb.NewContextified(g),
opCanceler: NewOpCanceler(g),
}, "recover", c)
cl.SetNoStandalone()
},
Flags: []cli.Flag{
cli.IntFlag{
Name: "rev",
Usage: "a revision number for the KBFS recovery folder ",
},
cli.StringFlag{
Name: "time",
Usage: "a time for the KBFS recovery folder (eg \"2018-07-27 22:05\")",
},
cli.StringFlag{
Name: "reltime, relative-time",
Usage: "a relative time for the KBFS recovery folder (eg \"5m\")",
},
},
}
}
// Run runs the command in client/server mode.
func (c *CmdSimpleFSRecover) Run() error {
cli, err := GetSimpleFSClient(c.G())
if err != nil {
return err
}
ctx := context.TODO()
srcPaths, err := doSimpleFSGlob(ctx, c.G(), cli, c.src)
if err != nil {
return err
}
for _, src := range srcPaths {
dest := keybase1.NewPathWithKbfs(src.KbfsArchived().Path)
c.G().Log.Debug("SimpleFSRecover %s -> %s", src, dest)
// Don't spawn new jobs if we've been cancelled. TODO: This
// is still a race condition, if we get cancelled immediately
// after.
if c.opCanceler.IsCancelled() {
break
}
opid, err := cli.SimpleFSMakeOpid(ctx)
if err != nil {
return err
}
c.opCanceler.AddOp(opid)
err = cli.SimpleFSCopyRecursive(ctx, keybase1.SimpleFSCopyRecursiveArg{
OpID: opid,
Src: src,
Dest: dest,
})
if err != nil {
return err
}
err = cli.SimpleFSWait(ctx, opid)
if err != nil {
return err
}
}
return nil
}
// ParseArgv gets the required arguments for this command.
func (c *CmdSimpleFSRecover) ParseArgv(ctx *cli.Context) error {
if len(ctx.Args()) < 1 {
return errors.New("recover requires at least one KBFS path argument")
}
// TODO: "rev" should be a real int64, need to update the
// `cli` library for that.
rev := int64(ctx.Int("rev"))
timeString := ctx.String("time")
relTimeString := getRelTime(ctx)
if rev == 0 && timeString == "" && relTimeString == "" {
return errors.New(
"must specify exactly one of -rev, -time, or -reltime")
}
for _, src := range ctx.Args() {
p, err := makeSimpleFSPathWithArchiveParams(
src, rev, timeString, relTimeString)
if err != nil {
return err
}
c.src = append(c.src, p)
}
return nil
}
// GetUsage says what this command needs to operate.
func (c *CmdSimpleFSRecover) GetUsage() libkb.Usage {
return libkb.Usage{
Config: true,
KbKeyring: true,
API: true,
}
}
func (c *CmdSimpleFSRecover) Cancel() error {
return c.opCanceler.Cancel()
}