overdue

.rclone_repo/cmd/touch/touch.go

@@ -0,0 +1,72 @@
+package touch
+
+import (
+	"bytes"
+	"time"
+
+	"github.com/ncw/rclone/cmd"
+	"github.com/ncw/rclone/fs"
+	"github.com/ncw/rclone/fs/object"
+	"github.com/pkg/errors"
+	"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(commandDefintion)
+	flags := commandDefintion.Flags()
+	flags.BoolVarP(&notCreateNewFile, "no-create", "C", false, "Do not create the file if it does not exist.")
+	flags.StringVarP(&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 commandDefintion = &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(fsrc, srcFileName)
+		})
+	},
+}
+
+//Touch create new file or change file modification time.
+func Touch(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(srcFileName)
+	if err != nil {
+		if !notCreateNewFile {
+			var buffer []byte
+			src := object.NewStaticObjectInfo(srcFileName, timeAtr, int64(len(buffer)), true, nil, fsrc)
+			_, err = fsrc.Put(bytes.NewBuffer(buffer), src)
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	}
+	err = file.SetModTime(timeAtr)
+	if err != nil {
+		return errors.Wrap(err, "touch: couldn't set mod time")
+	}
+	return nil
+}

.rclone_repo/cmd/touch/touch_test.go

@@ -0,0 +1,119 @@
+package touch
+
+import (
+	"testing"
+	"time"
+
+	"github.com/ncw/rclone/fs"
+	"github.com/ncw/rclone/fstest"
+	"github.com/stretchr/testify/require"
+
+	_ "github.com/ncw/rclone/backend/local"
+)
+
+var (
+	t1 = fstest.Time("2017-02-03T04:05:06.499999999Z")
+)
+
+func checkFile(t *testing.T, r fs.Fs, path string, content string) {
+	layout := defaultLayout
+	if len(timeAsArgument) == len(layoutDateWithTime) {
+		layout = layoutDateWithTime
+	}
+	timeAtrFromFlags, err := time.Parse(layout, timeAsArgument)
+	require.NoError(t, err)
+	file1 := fstest.NewItem(path, content, timeAtrFromFlags)
+	fstest.CheckItems(t, r, file1)
+}
+
+// TestMain drives the tests
+func TestMain(m *testing.M) {
+	fstest.TestMain(m)
+}
+
+func TestTouchOneFile(t *testing.T) {
+	r := fstest.NewRun(t)
+	defer r.Finalise()
+
+	err := Touch(r.Fremote, "newFile")
+	require.NoError(t, err)
+	_, err = r.Fremote.NewObject("newFile")
+	require.NoError(t, err)
+}
+
+func TestTouchWithNoCreateFlag(t *testing.T) {
+	r := fstest.NewRun(t)
+	defer r.Finalise()
+
+	notCreateNewFile = true
+	err := Touch(r.Fremote, "newFile")
+	require.NoError(t, err)
+	_, err = r.Fremote.NewObject("newFile")
+	require.Error(t, err)
+	notCreateNewFile = false
+}
+
+func TestTouchWithTimestamp(t *testing.T) {
+	r := fstest.NewRun(t)
+	defer r.Finalise()
+
+	timeAsArgument = "060102"
+	srcFileName := "oldFile"
+	err := Touch(r.Fremote, srcFileName)
+	require.NoError(t, err)
+	checkFile(t, r.Fremote, srcFileName, "")
+}
+
+func TestTouchWithLognerTimestamp(t *testing.T) {
+	r := fstest.NewRun(t)
+	defer r.Finalise()
+
+	timeAsArgument = "2006-01-02T15:04:05"
+	srcFileName := "oldFile"
+	err := Touch(r.Fremote, srcFileName)
+	require.NoError(t, err)
+	checkFile(t, r.Fremote, srcFileName, "")
+}
+
+func TestTouchUpdateTimestamp(t *testing.T) {
+	r := fstest.NewRun(t)
+	defer r.Finalise()
+
+	srcFileName := "a"
+	content := "aaa"
+	file1 := r.WriteObject(srcFileName, content, t1)
+	fstest.CheckItems(t, r.Fremote, file1)
+
+	timeAsArgument = "121212"
+	err := Touch(r.Fremote, "a")
+	require.NoError(t, err)
+	checkFile(t, r.Fremote, srcFileName, content)
+}
+
+func TestTouchUpdateTimestampWithCFlag(t *testing.T) {
+	r := fstest.NewRun(t)
+	defer r.Finalise()
+
+	srcFileName := "a"
+	content := "aaa"
+	file1 := r.WriteObject(srcFileName, content, t1)
+	fstest.CheckItems(t, r.Fremote, file1)
+
+	notCreateNewFile = true
+	timeAsArgument = "121212"
+	err := Touch(r.Fremote, "a")
+	require.NoError(t, err)
+	checkFile(t, r.Fremote, srcFileName, content)
+	notCreateNewFile = false
+}
+
+func TestTouchCreateMultipleDirAndFile(t *testing.T) {
+	r := fstest.NewRun(t)
+	defer r.Finalise()
+
+	longPath := "a/b/c.txt"
+	err := Touch(r.Fremote, longPath)
+	require.NoError(t, err)
+	file1 := fstest.NewItem("a/b/c.txt", "", t1)
+	fstest.CheckListingWithPrecision(t, r.Fremote, []fstest.Item{file1}, []string{"a", "a/b"}, fs.ModTimeNotSupported)
+}