51dc35cf23
This patch implements an Ellipsis utility to append an ellipsis (...) when truncating strings in output. It also fixes the existing Truncate() utility to be compatible with unicode/multibyte characters. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
// +build experimental
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package plugin
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import (
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"fmt"
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"strings"
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"text/tabwriter"
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"github.com/docker/docker/api/client"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/pkg/stringutils"
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"github.com/spf13/cobra"
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"golang.org/x/net/context"
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)
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type listOptions struct {
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noTrunc bool
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}
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func newListCommand(dockerCli *client.DockerCli) *cobra.Command {
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var opts listOptions
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cmd := &cobra.Command{
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Use: "ls",
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Short: "List plugins",
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Aliases: []string{"list"},
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Args: cli.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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return runList(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Don't truncate output")
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return cmd
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}
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func runList(dockerCli *client.DockerCli, opts listOptions) error {
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plugins, err := dockerCli.Client().PluginList(context.Background())
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if err != nil {
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return err
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}
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w := tabwriter.NewWriter(dockerCli.Out(), 20, 1, 3, ' ', 0)
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fmt.Fprintf(w, "NAME \tTAG \tDESCRIPTION\tACTIVE")
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fmt.Fprintf(w, "\n")
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for _, p := range plugins {
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desc := strings.Replace(p.Manifest.Description, "\n", " ", -1)
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desc = strings.Replace(desc, "\r", " ", -1)
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if !opts.noTrunc {
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desc = stringutils.Ellipsis(desc, 45)
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}
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fmt.Fprintf(w, "%s\t%s\t%s\t%v\n", p.Name, p.Tag, desc, p.Active)
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}
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w.Flush()
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return nil
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}
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