MVP version working

main.go

@@ -0,0 +1,105 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"sort"
+	"strings"
+)
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Println("Usage: runner <file-or-directory>")
+		os.Exit(1)
+	}
+
+	targetPath := os.Args[1]
+
+	info, err := os.Stat(targetPath)
+	if err != nil {
+		fmt.Println("Error:", err)
+		os.Exit(1)
+	}
+
+	var files []string
+	if info.IsDir() {
+		// Collect all .sh files from directory
+		entries, err := os.ReadDir(targetPath)
+		if err != nil {
+			fmt.Println("Error reading directory:", err)
+			os.Exit(1)
+		}
+		for _, e := range entries {
+			if !e.IsDir() && strings.HasSuffix(e.Name(), ".sh") {
+				files = append(files, filepath.Join(targetPath, e.Name()))
+			}
+		}
+		sort.Strings(files)
+	} else {
+		files = append(files, targetPath)
+	}
+
+	currentDir, _ := os.Getwd()
+
+	for _, file := range files {
+		fmt.Println("=== Executing file:", file, "===")
+		if err := runCommandsFromFile(file, &currentDir); err != nil {
+			os.Exit(1)
+		}
+	}
+}
+
+func runCommandsFromFile(filename string, currentDir *string) error {
+	f, err := os.Open(filename)
+	if err != nil {
+		return fmt.Errorf("Error opening file: %w", err)
+	}
+	defer f.Close()
+
+	scanner := bufio.NewScanner(f)
+	for scanner.Scan() {
+		cmdLine := strings.TrimSpace(scanner.Text())
+
+		if cmdLine == "" || strings.HasPrefix(cmdLine, "#") {
+			continue
+		}
+
+		// Handle cd command
+		if strings.HasPrefix(cmdLine, "cd ") {
+			newDir := strings.TrimSpace(strings.TrimPrefix(cmdLine, "cd "))
+			if strings.HasPrefix(newDir, "~") {
+				home, _ := os.UserHomeDir()
+				newDir = filepath.Join(home, strings.TrimPrefix(newDir, "~"))
+			}
+			if !filepath.IsAbs(newDir) {
+				newDir = filepath.Join(*currentDir, newDir)
+			}
+
+			if err := os.Chdir(newDir); err != nil {
+				return fmt.Errorf("Failed to change directory: %w", err)
+			}
+			*currentDir, _ = os.Getwd()
+			fmt.Println("Changed directory to:", *currentDir)
+			continue
+		}
+
+		fmt.Println(">>> Executing:", cmdLine)
+		cmd := exec.Command("bash", "-c", cmdLine)
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+		cmd.Dir = *currentDir
+
+		if err := cmd.Run(); err != nil {
+			fmt.Println("Error detected! Stopping at:", cmdLine)
+			return err
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return fmt.Errorf("Error reading file: %w", err)
+	}
+	return nil
+}