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branchcreate.go
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branchcreate.go
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// Copyright 2020-2021 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 branchcreate
import (
"context"
"fmt"
"github.com/bufbuild/buf/internal/buf/bufcli"
"github.com/bufbuild/buf/internal/buf/bufmodule"
"github.com/bufbuild/buf/internal/buf/bufprint"
"github.com/bufbuild/buf/internal/pkg/app/appcmd"
"github.com/bufbuild/buf/internal/pkg/app/appflag"
"github.com/bufbuild/buf/internal/pkg/rpc"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
const (
formatFlagName = "format"
parentFlagName = "parent"
parentFlagShortName = "p"
)
// NewCommand returns a new Command
func NewCommand(
name string,
builder appflag.Builder,
) *appcmd.Command {
flags := newFlags()
return &appcmd.Command{
Use: name + " <buf.build/owner/repository:branch>",
Short: "Create a branch for the specified repository.",
Args: cobra.ExactArgs(1),
Run: builder.NewRunFunc(
func(ctx context.Context, container appflag.Container) error {
return run(ctx, container, flags)
},
bufcli.NewErrorInterceptor(),
),
BindFlags: flags.Bind,
}
}
type flags struct {
Format string
Parent string
}
func newFlags() *flags {
return &flags{}
}
func (f *flags) Bind(flagSet *pflag.FlagSet) {
flagSet.StringVar(
&f.Format,
formatFlagName,
bufprint.FormatText.String(),
fmt.Sprintf(`The output format to use. Must be one of %s.`, bufprint.AllFormatsString),
)
flagSet.StringVarP(
&f.Parent,
parentFlagName,
parentFlagShortName,
bufmodule.MainBranch,
`The parent branch.`,
)
}
func run(
ctx context.Context,
container appflag.Container,
flags *flags,
) error {
if flags.Parent == "" {
return appcmd.NewInvalidArgumentErrorf("required flag %q not set", parentFlagName)
}
moduleReference, err := bufmodule.ModuleReferenceForString(
container.Arg(0),
)
if err != nil {
return appcmd.NewInvalidArgumentError(err.Error())
}
if bufmodule.IsCommitModuleReference(moduleReference) {
return fmt.Errorf("branch is required but commit was given: %q", container.Arg(0))
}
format, err := bufprint.ParseFormat(flags.Format)
if err != nil {
return appcmd.NewInvalidArgumentError(err.Error())
}
apiProvider, err := bufcli.NewRegistryProvider(ctx, container)
if err != nil {
return err
}
repositoryService, err := apiProvider.NewRepositoryService(ctx, moduleReference.Remote())
if err != nil {
return err
}
repositoryBranchService, err := apiProvider.NewRepositoryBranchService(ctx, moduleReference.Remote())
if err != nil {
return err
}
// TODO: We can add another RPC for creating a repository branch by name so that we don't
// have to get the repository separately.
repository, err := repositoryService.GetRepositoryByFullName(ctx, moduleReference.Owner()+"/"+moduleReference.Repository())
if err != nil {
if rpc.GetErrorCode(err) == rpc.ErrorCodeNotFound {
return bufcli.NewRepositoryNotFoundError(moduleReference.Remote() + "/" + moduleReference.Owner() + "/" + moduleReference.Repository())
}
return err
}
repositoryBranch, err := repositoryBranchService.CreateRepositoryBranch(ctx, repository.Id, moduleReference.Reference(), flags.Parent)
if err != nil {
if rpc.GetErrorCode(err) == rpc.ErrorCodeAlreadyExists {
return bufcli.NewBranchOrTagNameAlreadyExistsError(moduleReference.String())
}
return err
}
return bufprint.NewRepositoryBranchPrinter(container.Stdout()).PrintRepositoryBranch(ctx, format, repositoryBranch)
}