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taskin.go
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taskin.go
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package taskin
import (
"fmt"
"io"
"os"
"regexp"
"dario.cat/mergo"
"github.com/charmbracelet/bubbles/progress"
"github.com/charmbracelet/bubbles/spinner"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
)
var program *tea.Program
func NewRunner(task Task, cfg Config) Runner {
var spinr *spinner.Model
if !IsCI() {
spinnerModel := spinner.New(spinner.WithSpinner(cfg.Spinner)) // Initialize with a spinner model
spinnerModel.Style = lipgloss.NewStyle().Foreground(cfg.Colors.Spinner) // Styling spinner
spinr = &spinnerModel
}
children := make(Runners, len(task.Tasks))
for i, childTask := range task.Tasks {
childTask.Config = cfg
children[i] = NewRunner(childTask, cfg)
}
if task.Task == nil {
task.Task = func(t *Task) error {
return nil
}
}
return Runner{Task: task, State: NotStarted, Spinner: spinr, Config: cfg, Children: children}
}
func (task *Task) Progress(current, total int) {
task.ShowProgress = TaskProgress{Current: current, Total: total}
if IsCI() {
return
}
if !task.Bar.IsAnimating() {
task.Bar = progress.New(task.Config.ProgressOptions...)
}
if total != 0 { // Check if TaskProgress is set
percent := float64(current) / float64(total)
task.Bar.SetPercent(percent)
}
}
type ansiEscapeCodeFilter struct {
writer io.Writer
}
func (f *ansiEscapeCodeFilter) Write(p []byte) (n int, err error) {
// Corrected regular expression to match ANSI escape codes
re := regexp.MustCompile(` *\x1b\[[0-?]*[ -/]*[@-~]`)
// Remove the escape codes from the input
p = re.ReplaceAll(p, []byte{})
// Write the filtered input to the original writer
return f.writer.Write(p)
}
func (r *Runners) Run() error {
m := &Model{Runners: *r, Shutdown: false, ShutdownError: nil}
if IsCI() {
program = tea.NewProgram(m, tea.WithInput(nil), tea.WithOutput(&ansiEscapeCodeFilter{writer: os.Stdout}))
} else {
program = tea.NewProgram(m, tea.WithInput(nil))
}
_, err := program.Run()
if err != nil {
program.Send(TerminateWithError{Error: err})
}
if m.Shutdown && m.ShutdownError != nil {
return m.ShutdownError
}
return err
}
func New(tasks Tasks, cfg Config) Runners {
_ = mergo.Merge(&cfg, Defaults)
var runners Runners
for _, task := range tasks {
task.Config = cfg
runners = append(runners, NewRunner(task, cfg))
}
go func() {
for i := range runners {
for _, runner := range runners[:i] {
if runner.State == Failed && runner.Config.Options.ExitOnFailure {
return
}
}
runners[i].State = Running
err := runners[i].Task.Task(&runners[i].Task)
if err != nil {
runners[i].Task.Title = fmt.Sprintf("%s - %s", runners[i].Task.Title, err.Error())
runners[i].State = Failed
if program != nil {
program.Send(TerminateWithError{Error: err})
}
continue
}
// Run child tasks
for j := range runners[i].Children {
runners[i].Children[j].State = Running
err := runners[i].Children[j].Task.Task(&runners[i].Children[j].Task)
if err != nil {
runners[i].Children[j].Task.Title = fmt.Sprintf("%s - Error: %s", runners[i].Children[j].Task.Title, err.Error())
runners[i].Children[j].State = Failed
runners[i].State = Failed // Mark parent task as Failed
if program != nil {
program.Send(TerminateWithError{Error: err})
}
break
}
runners[i].Children[j].State = Completed
}
// Check if all child tasks are completed
allChildrenCompleted := true
for _, child := range runners[i].Children {
if child.State != Completed {
allChildrenCompleted = false
break
}
}
// If all child tasks are completed, mark the parent task as completed
if allChildrenCompleted && runners[i].State != Failed {
runners[i].State = Completed
if program != nil {
program.Send(spinner.TickMsg{})
}
}
}
}()
return runners
}
func IsCI() bool {
return os.Getenv("CI") != ""
}