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cmd_simplefs_move.go
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cmd_simplefs_move.go
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// Copyright 2015 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"
)
// CmdSimpleFSMove is the 'fs mv' command.
type CmdSimpleFSMove struct {
libkb.Contextified
src []keybase1.Path
dest keybase1.Path
interactive bool
force bool
opCanceler *OpCanceler
}
var _ Canceler = (*CmdSimpleFSMove)(nil)
// NewCmdSimpleFSMove creates a new cli.Command.
func NewCmdSimpleFSMove(cl *libcmdline.CommandLine, g *libkb.GlobalContext) cli.Command {
return cli.Command{
Name: "mv",
ArgumentHelp: "<source> [source] <dest>",
Usage: "move one or more directory elements to dest",
Action: func(c *cli.Context) {
cl.ChooseCommand(&CmdSimpleFSMove{
Contextified: libkb.NewContextified(g),
opCanceler: NewOpCanceler(g),
}, "mv", c)
cl.SetNoStandalone()
},
Flags: []cli.Flag{
cli.BoolFlag{
Name: "i, interactive",
Usage: "Prompt before overwrite",
},
cli.BoolFlag{
Name: "f, force",
Usage: "force overwrite",
},
},
}
}
// Run runs the command in client/server mode.
func (c *CmdSimpleFSMove) Run() error {
cli, err := GetSimpleFSClient(c.G())
if err != nil {
return err
}
ctx := context.TODO()
destPaths, err := doSimpleFSGlob(ctx, c.G(), cli, c.src)
if err != nil {
return err
}
// Eat the error because it's ok here if the dest doesn't exist
isDestDir, destPathString, _ := checkPathIsDir(ctx, cli, c.dest)
for _, src := range destPaths {
c.G().Log.Debug("SimpleFSMove %s -> %s, %v", src, destPathString, isDestDir)
dest, err := makeDestPath(ctx, c.G(), cli, src, c.dest, isDestDir, destPathString)
if err == ErrTargetFileExists {
if c.interactive {
err = doOverwritePrompt(c.G(), dest.String())
} else if c.force {
err = nil
}
}
if err != nil {
return err
}
c.G().Log.Debug("SimpleFSMove %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, err2 := cli.SimpleFSMakeOpid(ctx)
if err2 != nil {
return err2
}
c.opCanceler.AddOp(opid)
defer cli.SimpleFSClose(ctx, opid)
err = cli.SimpleFSMove(ctx, keybase1.SimpleFSMoveArg{
OpID: opid,
Src: src,
Dest: dest,
})
if err != nil {
break
}
err = cli.SimpleFSWait(ctx, opid)
if err != nil {
break
}
}
return err
}
// ParseArgv does nothing for this command.
func (c *CmdSimpleFSMove) ParseArgv(ctx *cli.Context) error {
var err error
c.interactive = ctx.Bool("interactive")
c.force = ctx.Bool("force")
if c.force && c.interactive {
return errors.New("force and interactive are incompatible")
}
c.src, c.dest, err = parseSrcDestArgs(c.G(), ctx, "mv")
return err
}
// GetUsage says what this command needs to operate.
func (c *CmdSimpleFSMove) GetUsage() libkb.Usage {
return libkb.Usage{
Config: true,
KbKeyring: true,
API: true,
}
}
func (c *CmdSimpleFSMove) Cancel() error {
return c.opCanceler.Cancel()
}