rclone/cmd/touch/touch.go
Nick Craig-Wood 1b2ffbeca0 cmd: fix environment variables not setting command line flags
Before this fix quite a lot of the commands were ignoring environment
variables intended to set flags.
2019-10-14 17:02:09 +01:00

74 lines
2.1 KiB
Go

package touch
import (
"bytes"
"context"
"time"
"github.com/pkg/errors"
"github.com/rclone/rclone/cmd"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/config/flags"
"github.com/rclone/rclone/fs/object"
"github.com/spf13/cobra"
)
var (
notCreateNewFile bool
timeAsArgument string
)
const defaultLayout string = "060102"
const layoutDateWithTime = "2006-01-02T15:04:05"
func init() {
cmd.Root.AddCommand(commandDefinition)
cmdFlags := commandDefinition.Flags()
flags.BoolVarP(cmdFlags, &notCreateNewFile, "no-create", "C", false, "Do not create the file if it does not exist.")
flags.StringVarP(cmdFlags, &timeAsArgument, "timestamp", "t", "", "Change the modification times to the specified time instead of the current time of day. The argument is of the form 'YYMMDD' (ex. 17.10.30) or 'YYYY-MM-DDTHH:MM:SS' (ex. 2006-01-02T15:04:05)")
}
var commandDefinition = &cobra.Command{
Use: "touch remote:path",
Short: `Create new file or change file modification time.`,
Run: func(command *cobra.Command, args []string) {
cmd.CheckArgs(1, 1, command, args)
fsrc, srcFileName := cmd.NewFsDstFile(args)
cmd.Run(true, false, command, func() error {
return Touch(context.Background(), fsrc, srcFileName)
})
},
}
//Touch create new file or change file modification time.
func Touch(ctx context.Context, fsrc fs.Fs, srcFileName string) error {
timeAtr := time.Now()
if timeAsArgument != "" {
layout := defaultLayout
if len(timeAsArgument) == len(layoutDateWithTime) {
layout = layoutDateWithTime
}
timeAtrFromFlags, err := time.Parse(layout, timeAsArgument)
if err != nil {
return errors.Wrap(err, "failed to parse date/time argument")
}
timeAtr = timeAtrFromFlags
}
file, err := fsrc.NewObject(ctx, srcFileName)
if err != nil {
if !notCreateNewFile {
var buffer []byte
src := object.NewStaticObjectInfo(srcFileName, timeAtr, int64(len(buffer)), true, nil, fsrc)
_, err = fsrc.Put(ctx, bytes.NewBuffer(buffer), src)
if err != nil {
return err
}
}
return nil
}
err = file.SetModTime(ctx, timeAtr)
if err != nil {
return errors.Wrap(err, "touch: couldn't set mod time")
}
return nil
}