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util.go
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util.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 bufmodule
import (
"context"
"io"
"sort"
"github.com/bufbuild/buf/private/bufpkg/bufmodule/bufmoduleref"
modulev1alpha1 "github.com/bufbuild/buf/private/gen/proto/go/buf/alpha/module/v1alpha1"
"github.com/bufbuild/buf/private/pkg/storage"
"go.uber.org/multierr"
)
func putModuleFileToBucket(ctx context.Context, module Module, path string, writeBucket storage.WriteBucket) (retErr error) {
moduleFile, err := module.GetModuleFile(ctx, path)
if err != nil {
return err
}
defer func() {
retErr = multierr.Append(retErr, moduleFile.Close())
}()
var copyOptions []storage.CopyOption
if writeBucket.SetExternalPathSupported() {
copyOptions = append(copyOptions, storage.CopyWithExternalPaths())
}
return storage.CopyReadObject(ctx, writeBucket, moduleFile, copyOptions...)
}
func moduleFileToProto(ctx context.Context, module Module, path string) (_ *modulev1alpha1.ModuleFile, retErr error) {
protoModuleFile := &modulev1alpha1.ModuleFile{
Path: path,
}
moduleFile, err := module.GetModuleFile(ctx, path)
if err != nil {
return nil, err
}
defer func() {
retErr = multierr.Append(retErr, moduleFile.Close())
}()
protoModuleFile.Content, err = io.ReadAll(moduleFile)
if err != nil {
return nil, err
}
return protoModuleFile, nil
}
func getFileContentForBucket(
ctx context.Context,
readBucket storage.ReadBucket,
path string,
) (string, error) {
data, err := storage.ReadPath(ctx, readBucket, path)
if err != nil {
if storage.IsNotExist(err) {
return "", nil
}
return "", err
}
return string(data), nil
}
func copyModulePinsSortedByOnlyCommit(modulePins []bufmoduleref.ModulePin) []bufmoduleref.ModulePin {
s := make([]bufmoduleref.ModulePin, len(modulePins))
copy(s, modulePins)
sort.Slice(s, func(i, j int) bool {
return modulePinLessOnlyCommit(s[i], s[j])
})
return s
}
func modulePinLessOnlyCommit(a bufmoduleref.ModulePin, b bufmoduleref.ModulePin) bool {
return modulePinCompareToOnlyCommit(a, b) < 0
}
// return -1 if less
// return 1 if greater
// return 0 if equal
func modulePinCompareToOnlyCommit(a bufmoduleref.ModulePin, b bufmoduleref.ModulePin) int {
if a == nil && b == nil {
return 0
}
if a == nil && b != nil {
return -1
}
if a != nil && b == nil {
return 1
}
if a.Remote() < b.Remote() {
return -1
}
if a.Remote() > b.Remote() {
return 1
}
if a.Owner() < b.Owner() {
return -1
}
if a.Owner() > b.Owner() {
return 1
}
if a.Repository() < b.Repository() {
return -1
}
if a.Repository() > b.Repository() {
return 1
}
if a.Commit() < b.Commit() {
return -1
}
if a.Commit() > b.Commit() {
return 1
}
return 0
}