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setup.go
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setup.go
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package task
import (
"context"
"errors"
"fmt"
"os"
"path/filepath"
"strings"
"sync"
"github.com/Masterminds/semver/v3"
"github.com/sajari/fuzzy"
compilerv2 "github.com/go-task/task/v3/internal/compiler/v2"
compilerv3 "github.com/go-task/task/v3/internal/compiler/v3"
"github.com/go-task/task/v3/internal/execext"
"github.com/go-task/task/v3/internal/filepathext"
"github.com/go-task/task/v3/internal/logger"
"github.com/go-task/task/v3/internal/output"
"github.com/go-task/task/v3/taskfile"
"github.com/go-task/task/v3/taskfile/read"
)
func (e *Executor) Setup() error {
if err := e.setCurrentDir(); err != nil {
return err
}
if err := e.readTaskfile(); err != nil {
return err
}
e.setupFuzzyModel()
if err := e.setupTempDir(); err != nil {
return err
}
e.setupStdFiles()
e.setupLogger()
if err := e.setupOutput(); err != nil {
return err
}
if err := e.setupCompiler(); err != nil {
return err
}
if err := e.readDotEnvFiles(); err != nil {
return err
}
if err := e.doVersionChecks(); err != nil {
return err
}
e.setupDefaults()
e.setupConcurrencyState()
return nil
}
func (e *Executor) setCurrentDir() error {
if e.Dir == "" {
wd, err := os.Getwd()
if err != nil {
return err
}
e.Dir = wd
} else if !filepath.IsAbs(e.Dir) {
abs, err := filepath.Abs(e.Dir)
if err != nil {
return err
}
e.Dir = abs
}
return nil
}
func (e *Executor) readTaskfile() error {
var err error
e.Taskfile, e.Dir, err = read.Taskfile(&read.ReaderNode{
Dir: e.Dir,
Entrypoint: e.Entrypoint,
Parent: nil,
Optional: false,
})
return err
}
func (e *Executor) setupFuzzyModel() {
if e.Taskfile != nil {
return
}
model := fuzzy.NewModel()
model.SetThreshold(1) // because we want to build grammar based on every task name
var words []string
for _, taskName := range e.Taskfile.Tasks.Keys() {
words = append(words, taskName)
for _, task := range e.Taskfile.Tasks.Values() {
words = append(words, task.Aliases...)
}
}
model.Train(words)
e.fuzzyModel = model
}
func (e *Executor) setupTempDir() error {
if e.TempDir != "" {
return nil
}
if os.Getenv("TASK_TEMP_DIR") == "" {
e.TempDir = filepathext.SmartJoin(e.Dir, ".task")
} else if filepath.IsAbs(os.Getenv("TASK_TEMP_DIR")) || strings.HasPrefix(os.Getenv("TASK_TEMP_DIR"), "~") {
tempDir, err := execext.Expand(os.Getenv("TASK_TEMP_DIR"))
if err != nil {
return err
}
projectDir, _ := filepath.Abs(e.Dir)
projectName := filepath.Base(projectDir)
e.TempDir = filepathext.SmartJoin(tempDir, projectName)
} else {
e.TempDir = filepathext.SmartJoin(e.Dir, os.Getenv("TASK_TEMP_DIR"))
}
return nil
}
func (e *Executor) setupStdFiles() {
if e.Stdin == nil {
e.Stdin = os.Stdin
}
if e.Stdout == nil {
e.Stdout = os.Stdout
}
if e.Stderr == nil {
e.Stderr = os.Stderr
}
}
func (e *Executor) setupLogger() {
e.Logger = &logger.Logger{
Stdout: e.Stdout,
Stderr: e.Stderr,
Verbose: e.Verbose,
Color: e.Color,
}
}
func (e *Executor) setupOutput() error {
if !e.OutputStyle.IsSet() {
e.OutputStyle = e.Taskfile.Output
}
var err error
e.Output, err = output.BuildFor(&e.OutputStyle)
return err
}
func (e *Executor) setupCompiler() error {
if e.Taskfile.Version.LessThan(taskfile.V3) {
var err error
e.taskvars, err = read.Taskvars(e.Dir)
if err != nil {
return err
}
e.Compiler = &compilerv2.CompilerV2{
Dir: e.Dir,
Taskvars: e.taskvars,
TaskfileVars: e.Taskfile.Vars,
Expansions: e.Taskfile.Expansions,
Logger: e.Logger,
}
} else {
userWorkingDir, err := os.Getwd()
if err != nil {
return err
}
e.Compiler = &compilerv3.CompilerV3{
Dir: e.Dir,
UserWorkingDir: userWorkingDir,
TaskfileEnv: e.Taskfile.Env,
TaskfileVars: e.Taskfile.Vars,
Logger: e.Logger,
}
}
return nil
}
func (e *Executor) readDotEnvFiles() error {
if e.Taskfile.Version.LessThan(taskfile.V3) {
return nil
}
env, err := read.Dotenv(e.Compiler, e.Taskfile, e.Dir)
if err != nil {
return err
}
err = env.Range(func(key string, value taskfile.Var) error {
if ok := e.Taskfile.Env.Exists(key); !ok {
e.Taskfile.Env.Set(key, value)
}
return nil
})
return err
}
func (e *Executor) setupDefaults() {
// Color available only on v3
if e.Taskfile.Version.LessThan(taskfile.V3) {
e.Logger.Color = false
}
if e.Taskfile.Method == "" {
if e.Taskfile.Version.Compare(taskfile.V3) >= 0 {
e.Taskfile.Method = "checksum"
} else {
e.Taskfile.Method = "timestamp"
}
}
if e.Taskfile.Run == "" {
e.Taskfile.Run = "always"
}
}
func (e *Executor) setupConcurrencyState() {
e.executionHashes = make(map[string]context.Context)
e.taskCallCount = make(map[string]*int32, e.Taskfile.Tasks.Len())
e.mkdirMutexMap = make(map[string]*sync.Mutex, e.Taskfile.Tasks.Len())
for _, k := range e.Taskfile.Tasks.Keys() {
e.taskCallCount[k] = new(int32)
e.mkdirMutexMap[k] = &sync.Mutex{}
}
if e.Concurrency > 0 {
e.concurrencySemaphore = make(chan struct{}, e.Concurrency)
}
}
func (e *Executor) doVersionChecks() error {
// Copy the version to avoid modifying the original
v := &semver.Version{}
*v = *e.Taskfile.Version
if v.LessThan(taskfile.V2) {
return fmt.Errorf(`task: version 1 schemas are no longer supported`)
}
if v.LessThan(taskfile.V3) {
e.Logger.Errf(logger.Yellow, "task: version 2 schemas are deprecated and will be removed in a future release\nSee https://github.com/go-task/task/issues/1197 for more details\n")
}
// consider as equal to the greater version if round
if v.Equal(taskfile.V2) {
v = semver.MustParse("2.6")
}
if v.Equal(taskfile.V3) {
v = semver.MustParse("3.8")
}
if v.GreaterThan(semver.MustParse("3.8")) {
return fmt.Errorf(`task: Taskfile versions greater than v3.8 not implemented in the version of Task`)
}
if v.LessThan(semver.MustParse("2.1")) && !e.Taskfile.Output.IsSet() {
return fmt.Errorf(`task: Taskfile option "output" is only available starting on Taskfile version v2.1`)
}
if v.LessThan(semver.MustParse("2.2")) && e.Taskfile.Includes.Len() > 0 {
return fmt.Errorf(`task: Including Taskfiles is only available starting on Taskfile version v2.2`)
}
if v.Compare(taskfile.V3) >= 0 && e.Taskfile.Expansions > 2 {
return fmt.Errorf(`task: The "expansions" setting is not available anymore on v3.0`)
}
if v.LessThan(semver.MustParse("3.8")) && e.Taskfile.Output.Group.IsSet() {
return fmt.Errorf(`task: Taskfile option "output.group" is only available starting on Taskfile version v3.8`)
}
if v.Compare(semver.MustParse("2.1")) <= 0 {
err := errors.New(`task: Taskfile option "ignore_error" is only available starting on Taskfile version v2.1`)
for _, task := range e.Taskfile.Tasks.Values() {
if task.IgnoreError {
return err
}
for _, cmd := range task.Cmds {
if cmd.IgnoreError {
return err
}
}
}
}
if v.LessThan(semver.MustParse("2.6")) {
for _, task := range e.Taskfile.Tasks.Values() {
if len(task.Preconditions) > 0 {
return errors.New(`task: Task option "preconditions" is only available starting on Taskfile version v2.6`)
}
}
}
if v.LessThan(taskfile.V3) {
err := e.Taskfile.Includes.Range(func(_ string, taskfile taskfile.IncludedTaskfile) error {
if taskfile.AdvancedImport {
return errors.New(`task: Import with additional parameters is only available starting on Taskfile version v3`)
}
return nil
})
if err != nil {
return err
}
}
if v.LessThan(semver.MustParse("3.7")) {
if e.Taskfile.Run != "" {
return errors.New(`task: Setting the "run" type is only available starting on Taskfile version v3.7`)
}
for _, task := range e.Taskfile.Tasks.Values() {
if task.Run != "" {
return errors.New(`task: Setting the "run" type is only available starting on Taskfile version v3.7`)
}
}
}
return nil
}