runner.go

package main

import (
	"fmt"
	"strings"

	"github.com/moaqz/tsk/color"
)

func topologicalOrder(name string, tasks map[string]*Task) []string {
	var order []string
	visited := make(map[string]bool)

	var dfs func(string)
	dfs = func(current string) {
		visited[current] = true

		for _, dependency := range tasks[current].Deps {
			if !visited[dependency] {
				dfs(dependency)
			}
		}

		order = append(order, current)
	}

	for _, dependency := range tasks[name].Deps {
		if !visited[dependency] {
			dfs(dependency)
		}
	}

	order = append(order, name)
	return order
}

func runFromTask(name string, cfg *ConfigFile) {
	for i, taskName := range topologicalOrder(name, cfg.Tasks) {
		task := cfg.Tasks[taskName]

		if i != 0 {
			fmt.Println()
		}

		fmt.Printf("%s %s %s\n",
			color.Text("❯").Bold().Cyan(),
			color.Text("Running task:").Bold(),
			color.Text(task.Name).Cyan(),
		)

		if strings.TrimSpace(task.Description) != "" {
			fmt.Printf("  %s\n", color.Text(task.Description).Gray())
		}

		fmt.Println()
		if err := task.Run(); err != nil {
			die(fmt.Sprintf("task %q failed: %v", task.Name, err), false)
		}

		fmt.Printf("\n%s\n",
			color.Text(fmt.Sprintf("%q finished successfully.", task.Name)).Green(),
		)
	}
}