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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 (
"context"
"errors"
"fmt"
"os"
"github.com/notaryproject/notation-go/dir"
"github.com/notaryproject/notation-go/plugin"
"github.com/notaryproject/notation/cmd/notation/internal/cmdutil"
"github.com/notaryproject/notation/internal/cmd"
"github.com/spf13/cobra"
)
type pluginUninstallOpts struct {
cmd.LoggingFlagOpts
pluginName string
confirmed bool
}
func uninstallCommand(opts *pluginUninstallOpts) *cobra.Command {
if opts == nil {
opts = &pluginUninstallOpts{}
}
command := &cobra.Command{
Use: "uninstall [flags] <plugin_name>",
Aliases: []string{"remove", "rm"},
Short: "Uninstall a plugin",
Long: `Uninstall a plugin
Example - Uninstall plugin:
notation plugin uninstall wabbit-plugin
`,
Args: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errors.New("plugin name is required")
}
if len(args) > 1 {
return errors.New("only one plugin can be removed at a time")
}
opts.pluginName = args[0]
return nil
},
RunE: func(cmd *cobra.Command, args []string) error {
return uninstallPlugin(cmd, opts)
},
}
opts.LoggingFlagOpts.ApplyFlags(command.Flags())
command.Flags().BoolVarP(&opts.confirmed, "yes", "y", false, "do not prompt for confirmation")
return command
}
func uninstallPlugin(command *cobra.Command, opts *pluginUninstallOpts) error {
// set logger
ctx := opts.LoggingFlagOpts.InitializeLogger(command.Context())
pluginName := opts.pluginName
exist, err := checkPluginExistence(ctx, pluginName)
if err != nil {
return fmt.Errorf("failed to check plugin existence: %w", err)
}
if !exist {
return fmt.Errorf("unable to find plugin %s.\nTo view a list of installed plugins, use `notation plugin list`", pluginName)
}
// core process
prompt := fmt.Sprintf("Are you sure you want to uninstall plugin %q?", pluginName)
confirmed, err := cmdutil.AskForConfirmation(os.Stdin, prompt, opts.confirmed)
if err != nil {
return fmt.Errorf("failed when asking for confirmation: %w", err)
}
if !confirmed {
return nil
}
mgr := plugin.NewCLIManager(dir.PluginFS())
if err := mgr.Uninstall(ctx, pluginName); err != nil {
return fmt.Errorf("failed to uninstall plugin %s: %w", pluginName, err)
}
fmt.Printf("Successfully uninstalled plugin %s\n", pluginName)
return nil
}
// checkPluginExistence returns true if plugin exists in the system
func checkPluginExistence(ctx context.Context, pluginName string) (bool, error) {
mgr := plugin.NewCLIManager(dir.PluginFS())
_, err := mgr.Get(ctx, pluginName)
if err != nil {
if errors.Is(err, os.ErrNotExist) { // plugin does not exist
return false, nil
}
return false, err
}
return true, nil
}
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