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// Copyright The Notary Project Authors.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package plugin
import (
"errors"
"fmt"
"os"
"text/tabwriter"
"github.com/notaryproject/notation-go/dir"
"github.com/notaryproject/notation-go/plugin"
"github.com/notaryproject/notation-go/plugin/proto"
"github.com/spf13/cobra"
)
func listCommand() *cobra.Command {
return &cobra.Command{
Use: "list [flags]",
Aliases: []string{"ls"},
Short: "List installed plugins",
Long: `List installed plugins
Example - List installed Notation plugins:
notation plugin ls
`,
RunE: func(cmd *cobra.Command, args []string) error {
return listPlugins(cmd)
},
}
}
func listPlugins(command *cobra.Command) error {
mgr := plugin.NewCLIManager(dir.PluginFS())
pluginNames, err := mgr.List(command.Context())
if err != nil {
var errPluginDirWalk plugin.PluginDirectoryWalkError
if errors.As(err, &errPluginDirWalk) {
pluginDir, _ := dir.PluginFS().SysPath("")
return fmt.Errorf("%w.\nPlease ensure that the current user has permission to access the plugin directory: %s", errPluginDirWalk, pluginDir)
}
return err
}
tw := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)
fmt.Fprintln(tw, "NAME\tDESCRIPTION\tVERSION\tCAPABILITIES\tERROR\t")
var pl plugin.Plugin
var resp *proto.GetMetadataResponse
for _, n := range pluginNames {
pl, err = mgr.Get(command.Context(), n)
metaData := &proto.GetMetadataResponse{}
if err == nil {
resp, err = pl.GetMetadata(command.Context(), &proto.GetMetadataRequest{})
if err == nil {
metaData = resp
}
}
fmt.Fprintf(tw, "%s\t%s\t%s\t%v\t%v\t\n",
n, metaData.Description, metaData.Version, metaData.Capabilities, err)
}
return tw.Flush()
}
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