Initial commit

vendor/github.com/hyperhq/hypercli/api/client/history.go

@@ -0,0 +1,76 @@
+package client
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+	"text/tabwriter"
+	"time"
+
+	"golang.org/x/net/context"
+
+	"github.com/docker/go-units"
+	Cli "github.com/hyperhq/hypercli/cli"
+	flag "github.com/hyperhq/hypercli/pkg/mflag"
+	"github.com/hyperhq/hypercli/pkg/stringid"
+	"github.com/hyperhq/hypercli/pkg/stringutils"
+)
+
+// CmdHistory shows the history of an image.
+//
+// Usage: docker history [OPTIONS] IMAGE
+func (cli *DockerCli) CmdHistory(args ...string) error {
+	cmd := Cli.Subcmd("history", []string{"IMAGE"}, Cli.DockerCommands["history"].Description, true)
+	human := cmd.Bool([]string{"H", "-human"}, true, "Print sizes and dates in human readable format")
+	quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs")
+	noTrunc := cmd.Bool([]string{"-no-trunc"}, false, "Don't truncate output")
+	cmd.Require(flag.Exact, 1)
+
+	cmd.ParseFlags(args, true)
+
+	history, err := cli.client.ImageHistory(context.Background(), cmd.Arg(0))
+	if err != nil {
+		return err
+	}
+
+	w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
+
+	if *quiet {
+		for _, entry := range history {
+			if *noTrunc {
+				fmt.Fprintf(w, "%s\n", entry.ID)
+			} else {
+				fmt.Fprintf(w, "%s\n", stringid.TruncateID(entry.ID))
+			}
+		}
+		w.Flush()
+		return nil
+	}
+
+	var imageID string
+	var createdBy string
+	var created string
+	var size string
+
+	fmt.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE\tCOMMENT")
+	for _, entry := range history {
+		imageID = entry.ID
+		createdBy = strings.Replace(entry.CreatedBy, "\t", " ", -1)
+		if *noTrunc == false {
+			createdBy = stringutils.Truncate(createdBy, 45)
+			imageID = stringid.TruncateID(entry.ID)
+		}
+
+		if *human {
+			created = units.HumanDuration(time.Now().UTC().Sub(time.Unix(entry.Created, 0))) + " ago"
+			size = units.HumanSize(float64(entry.Size))
+		} else {
+			created = time.Unix(entry.Created, 0).Format(time.RFC3339)
+			size = strconv.FormatInt(entry.Size, 10)
+		}
+
+		fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", imageID, created, createdBy, size, entry.Comment)
+	}
+	w.Flush()
+	return nil
+}