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migratev1beta1.go
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migratev1beta1.go
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// Copyright 2020-2023 Buf Technologies, Inc.
//
// 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 migratev1beta1
import (
"context"
"github.com/bufbuild/buf/private/buf/bufmigrate"
"github.com/bufbuild/buf/private/pkg/app"
"github.com/bufbuild/buf/private/pkg/app/appcmd"
"github.com/bufbuild/buf/private/pkg/app/appflag"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
// NewCommand returns a new Command.
func NewCommand(
name string,
builder appflag.Builder,
) *appcmd.Command {
flags := newFlags()
return &appcmd.Command{
Use: name + " <directory>",
Short: `Migrate v1beta1 configuration to the latest version`,
Long: `Migrate any v1beta1 configuration files in the directory to the latest version.
Defaults to the current directory if not specified.`,
Args: cobra.MaximumNArgs(1),
Run: builder.NewRunFunc(
func(ctx context.Context, container appflag.Container) error {
return run(ctx, container, flags)
},
),
BindFlags: flags.Bind,
}
}
type flags struct{}
func newFlags() *flags {
return &flags{}
}
func (f *flags) Bind(flagSet *pflag.FlagSet) {}
func run(
ctx context.Context,
container appflag.Container,
flags *flags,
) error {
dirPath, err := getDirPath(container)
if err != nil {
return err
}
return bufmigrate.NewV1Beta1Migrator(
"buf config migrate-v1beta1",
bufmigrate.V1Beta1MigratorWithNotifier(newWriteMessageFunc(container)),
).Migrate(dirPath)
}
func getDirPath(container app.Container) (string, error) {
switch numArgs := container.NumArgs(); numArgs {
case 0:
return ".", nil
case 1:
return container.Arg(0), nil
default:
return "", appcmd.NewInvalidArgumentErrorf("only 1 argument allowed but %d arguments specified", numArgs)
}
}
func newWriteMessageFunc(container app.StderrContainer) func(string) error {
return func(message string) error {
_, err := container.Stderr().Write([]byte(message))
return err
}
}