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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the repo tools module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
package main
import (
"encoding/json"
"fmt"
"log"
"os"
"strings"
)
// PendingUpdate describes that a module needs an updated dependencies.yaml and we are waiting for the change
// to succeed/fail
type PendingUpdate struct {
Module *Module
ChangeID string
}
// ModuleUpdateBatch is used to serialize and de-serialize the module updating state, used for debugging.
type ModuleUpdateBatch struct {
Product string
Branch string
Todo map[string]*Module
Done map[string]*Module
Pending []*PendingUpdate
FailedModuleCount int
}
func (batch *ModuleUpdateBatch) scheduleUpdates(pushUserName string, manualStage bool) error {
for _, moduleToUpdate := range batch.Todo {
update, err := moduleToUpdate.updateDependenciesForModule(batch.Done)
if err != nil {
return fmt.Errorf("fatal error proposing module update: %s", err)
}
log.Printf("Attempting update for module %s resulted in %v\n", moduleToUpdate.RepoPath, update.result)
if update.result == DependenciesUpdateContentUpToDate {
batch.Done[moduleToUpdate.RepoPath] = moduleToUpdate
delete(batch.Todo, moduleToUpdate.RepoPath)
} else if update.result == DependenciesUpdateDependencyMissing {
// Nothing to be done, we are waiting for indirect dependencies
} else if update.result == DependenciesUpdateUpdateScheduled {
// push and stage
if err = pushAndStageChange(moduleToUpdate.RepoPath, moduleToUpdate.Branch, update.commitID, update.summary, pushUserName, manualStage); err != nil {
return fmt.Errorf("error pushing change upate: %s", err)
}
batch.Pending = append(batch.Pending, &PendingUpdate{moduleToUpdate, update.changeID})
delete(batch.Todo, moduleToUpdate.RepoPath)
} else {
return fmt.Errorf("invalid state returned by updateDependenciesForModule for %s", moduleToUpdate.RepoPath)
}
}
return nil
}
func removeAllDirectAndIndirectDependencies(allModules *map[string]*Module, moduleToRemove string) {
for moduleName, module := range *allModules {
if module.hasDependency(moduleToRemove) {
delete(*allModules, moduleName)
removeAllDirectAndIndirectDependencies(allModules, module.RepoPath)
}
}
}
func (batch *ModuleUpdateBatch) checkPendingModules() {
var newPending []*PendingUpdate
for _, pendingUpdate := range batch.Pending {
module := pendingUpdate.Module
status, err := getGerritChangeStatus(module.RepoPath, module.Branch, pendingUpdate.ChangeID)
if err != nil || status == "STAGED" || status == "INTEGRATING" || status == "STAGING" {
// no change yet
newPending = append(newPending, pendingUpdate)
continue
} else if status == "MERGED" {
module.refreshTip()
batch.Done[module.RepoPath] = module
} else {
// Open or abandoned, not sure -- either way an error integrating the update
removeAllDirectAndIndirectDependencies(&batch.Todo, module.RepoPath)
batch.FailedModuleCount++
}
}
batch.Pending = newPending
}
func loadTodoAndDoneModuleMapFromSubModules(branch string, submodules map[string]*submodule) (todo map[string]*Module, done map[string]*Module, err error) {
todoModules := make(map[string]*Module)
doneModules := make(map[string]*Module)
for name, submodule := range submodules {
// Erase modules that don't follow the qt5 branching scheme and don't need
// dependencies.yaml
if submodule.branch == "master" {
continue
}
module, err := NewModule(name, branch, submodules)
if err != nil {
return nil, nil, fmt.Errorf("could not create internal module structure: %s", err)
}
if submodule.repoType == "inherited" || name == "qt/qtbase" {
doneModules[module.RepoPath] = module
} else {
todoModules[module.RepoPath] = module
}
}
return todoModules, doneModules, nil
}
func (batch *ModuleUpdateBatch) loadTodoList(qt5FetchRef string) error {
qt5Modules, err := getQt5ProductModules(batch.Product, batch.Branch, qt5FetchRef)
if err != nil {
return fmt.Errorf("Error listing qt5 product modules: %s", err)
}
batch.Todo, batch.Done, err = loadTodoAndDoneModuleMapFromSubModules(batch.Branch, qt5Modules)
return err
}
func sanitizeBranchOrRepo(s string) string {
s = strings.ToLower(s)
s = strings.ReplaceAll(s, "/", "_")
s = strings.ReplaceAll(s, "-", "_")
return s
}
func (batch *ModuleUpdateBatch) stateFileName() string {
return fmt.Sprintf("state_%s_%s.json", sanitizeBranchOrRepo(batch.Product), sanitizeBranchOrRepo(batch.Branch))
}
func (batch *ModuleUpdateBatch) saveState() error {
fileName := batch.stateFileName()
outputFile, err := os.Create(fileName)
if err != nil {
return fmt.Errorf("failed to create state file %s: %s", fileName, err)
}
defer outputFile.Close()
encoder := json.NewEncoder(outputFile)
encoder.SetIndent("", " ")
return encoder.Encode(batch)
}
func (batch *ModuleUpdateBatch) loadState() error {
fileName := batch.stateFileName()
inputFile, err := os.Open(fileName)
if err != nil {
return err
}
defer inputFile.Close()
decoder := json.NewDecoder(inputFile)
err = decoder.Decode(batch)
if err != nil {
return fmt.Errorf("Error decoding JSON state file: %s", err)
}
return nil
}
func (batch *ModuleUpdateBatch) isDone() bool {
return len(batch.Todo) == 0 && len(batch.Pending) == 0
}
func (batch *ModuleUpdateBatch) PrintSummary() {
fmt.Fprintf(os.Stdout, "Summary of git repository dependency update for target branch %s based off of %s\n", batch.Branch, batch.Product)
if batch.isDone() {
if batch.FailedModuleCount > 0 {
fmt.Fprintf(os.Stdout, " %v modules failed to be updated. Check Gerrit for the %s branch\n", batch.FailedModuleCount, batch.Branch)
} else {
fmt.Fprintf(os.Stdout, " No updates are necessary for any modules - everything is up-to-date\n")
}
return
}
if len(batch.Done) > 0 {
fmt.Fprintf(os.Stdout, "The following modules have been brought up-to-date:\n")
for name := range batch.Done {
fmt.Println(" " + name)
}
}
if len(batch.Pending) > 0 {
fmt.Fprintf(os.Stdout, "The following modules are current in-progress:\n")
for _, pending := range batch.Pending {
fmt.Println(" " + pending.Module.RepoPath)
}
}
fmt.Fprintf(os.Stdout, "The following modules are outdated and are either waiting for one of their dependencies or are ready for an update:\n")
for name := range batch.Todo {
fmt.Println(" " + name)
}
fmt.Println()
fmt.Println()
}
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