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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
package repo
import (
"fmt"
"log"
"os"
"path/filepath"
"time"
"github.com/go-git/go-git/v5/plumbing"
)
type CommandContext interface {
SDK() SDKRepository
Spec() SpecRepository
CreateReleaseBranch(version string) (string, error)
CheckExternalChanges()
}
type commandContext struct {
sdk SDKRepository
spec SpecRepository
checkExternalChanges func(ref, newRef *plumbing.Reference, err error)
}
func (c *commandContext) CheckExternalChanges() {
ref := c.spec.LastHead()
newRef, err := c.spec.Head()
c.checkExternalChanges(ref, newRef, err)
}
func checkExternalChangesPanic(ref, newRef *plumbing.Reference, err error) {
if err != nil {
log.Fatalf("Cannot get head ref of azure-rest-api-specs when checking external changes: %+v", err)
return
}
if ref.Hash().String() != newRef.Hash().String() {
log.Fatalf("External changes detected in azure-rest-api-specs. Command executed on %s, but now on %s", ref.Hash().String(), newRef.Hash().String())
}
}
func checkExternalChangesWarning(ref, newRef *plumbing.Reference, err error) {
if err != nil {
log.Printf("[WARNING] Cannot get head ref of azure-rest-api-specs when checking external changes: %+v", err)
return
}
if ref.Hash().String() != newRef.Hash().String() {
log.Printf("[WARNING] External changes detected in azure-rest-api-specs. Command executed on %s, but now on %s", ref.Hash().String(), newRef.Hash().String())
}
}
func (c *commandContext) CreateReleaseBranch(version string) (string, error) {
// append a time in long to avoid collision of branch names
releaseBranchName := fmt.Sprintf(releaseBranchNamePattern, version, time.Now().Unix())
log.Printf("Checking out to %s", plumbing.NewBranchReferenceName(releaseBranchName))
if err := c.SDK().Checkout(&CheckoutOptions{
Branch: plumbing.NewBranchReferenceName(releaseBranchName),
Create: true,
}); err != nil {
return "", err
}
return releaseBranchName, nil
}
func (c *commandContext) SDK() SDKRepository {
return c.sdk
}
func (c *commandContext) Spec() SpecRepository {
return c.spec
}
func NewCommandContext(sdkPath, specPath string, panicWhenDetectExternalChanges bool) (CommandContext, error) {
sdkRepo, err := OpenSDKRepository(sdkPath)
if err != nil {
return nil, err
}
specRepo, err := OpenSpecRepository(specPath)
if err != nil {
return nil, err
}
ctx := commandContext{
sdk: sdkRepo,
spec: specRepo,
}
if panicWhenDetectExternalChanges {
ctx.checkExternalChanges = checkExternalChangesPanic
} else {
ctx.checkExternalChanges = checkExternalChangesWarning
}
return &ctx, nil
}
func TempDir() string {
return filepath.Join(os.TempDir(), fmt.Sprintf("generator-%v", time.Now().Unix()))
}
const (
releaseBranchNamePattern = "release-%s-%v"
)
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