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cmd_simplefs_copy.go
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cmd_simplefs_copy.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"
)
// CmdSimpleFSCopy is the 'fs cp' command.
type CmdSimpleFSCopy struct {
libkb.Contextified
src []keybase1.Path
dest keybase1.Path
recurse bool
interactive bool
force bool
opCanceler *OpCanceler
}
var _ Canceler = (*CmdSimpleFSCopy)(nil)
// NewCmdSimpleFSCopy creates a new cli.Command.
func NewCmdSimpleFSCopy(cl *libcmdline.CommandLine, g *libkb.GlobalContext) cli.Command {
return cli.Command{
Name: "cp",
ArgumentHelp: "<source> [source] <dest>",
Usage: "copy one or more directory elements to dest",
Action: func(c *cli.Context) {
cl.ChooseCommand(&CmdSimpleFSCopy{
Contextified: libkb.NewContextified(g),
opCanceler: NewOpCanceler(g),
}, "cp", c)
cl.SetNoStandalone()
},
Flags: []cli.Flag{
cli.BoolFlag{
Name: "r, recursive",
Usage: "Recurse into subdirectories",
},
cli.BoolFlag{
Name: "i, interactive",
Usage: "Prompt before overwrite",
},
cli.BoolFlag{
Name: "f, force",
Usage: "force overwrite",
},
cli.IntFlag{
Name: "rev",
Usage: "a revision number for the KBFS folder of the source paths",
},
cli.StringFlag{
Name: "time",
Usage: "a time for the KBFS folder of the source paths (eg \"2018-07-27 22:05\")",
},
cli.StringFlag{
Name: "reltime, relative-time",
Usage: "a relative time for the KBFS folder of the source paths (eg \"5m\")",
},
},
}
}
// Run runs the command in client/server mode.
func (c *CmdSimpleFSCopy) Run() error {
cli, err := GetSimpleFSClient(c.G())
if err != nil {
return err
}
ctx := context.TODO()
c.G().Log.Debug("SimpleFSCopy (recursive: %v) to: %s", c.recurse, c.dest)
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 {
var dest keybase1.Path
dest, err = makeDestPath(ctx, c.G(), cli, src, c.dest, isDestDir, destPathString)
c.G().Log.Debug("SimpleFSCopy %s -> %s, %v", src, dest, isDestDir)
if err == ErrTargetFileExists {
if c.interactive {
err = doOverwritePrompt(c.G(), dest.String())
} else if c.force {
err = nil
}
}
if err != nil {
c.G().Log.Debug("SimpleFSCopy can't get paths together")
return err
}
// 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)
if c.recurse {
err = cli.SimpleFSCopyRecursive(ctx, keybase1.SimpleFSCopyRecursiveArg{
OpID: opid,
Src: src,
Dest: dest,
})
} else {
err = cli.SimpleFSCopy(ctx, keybase1.SimpleFSCopyArg{
OpID: opid,
Src: src,
Dest: dest,
})
}
if err != nil {
break
}
err = cli.SimpleFSWait(ctx, opid)
if err != nil {
break
}
}
return err
}
// ParseArgv gets the required arguments for this command.
func (c *CmdSimpleFSCopy) ParseArgv(ctx *cli.Context) error {
var err error
c.recurse = ctx.Bool("recursive")
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, "cp")
return err
}
// GetUsage says what this command needs to operate.
func (c *CmdSimpleFSCopy) GetUsage() libkb.Usage {
return libkb.Usage{
Config: true,
KbKeyring: true,
API: true,
}
}
func (c *CmdSimpleFSCopy) Cancel() error {
return c.opCanceler.Cancel()
}